Lines Matching full:sb
70 static void ext4_update_super(struct super_block *sb);
71 static int ext4_commit_super(struct super_block *sb);
72 static int ext4_mark_recovery_complete(struct super_block *sb,
74 static int ext4_clear_journal_err(struct super_block *sb,
76 static int ext4_sync_fs(struct super_block *sb, int wait);
78 static int ext4_unfreeze(struct super_block *sb);
79 static int ext4_freeze(struct super_block *sb);
80 static inline int ext2_feature_set_ok(struct super_block *sb);
81 static inline int ext3_feature_set_ok(struct super_block *sb);
83 static void ext4_unregister_li_request(struct super_block *sb);
85 static struct inode *ext4_get_journal_inode(struct super_block *sb,
89 struct super_block *sb);
90 static void ext4_apply_options(struct fs_context *fc, struct super_block *sb);
96 static void ext4_kill_sb(struct super_block *sb);
144 #define IS_EXT2_SB(sb) ((sb)->s_type == &ext2_fs_type) argument
146 #define IS_EXT2_SB(sb) (0) argument
160 #define IS_EXT3_SB(sb) ((sb)->s_type == &ext3_fs_type) argument
230 static struct buffer_head *__ext4_sb_bread_gfp(struct super_block *sb, in __ext4_sb_bread_gfp() argument
237 bh = sb_getblk_gfp(sb, block, gfp); in __ext4_sb_bread_gfp()
251 struct buffer_head *ext4_sb_bread(struct super_block *sb, sector_t block, in ext4_sb_bread() argument
254 gfp_t gfp = mapping_gfp_constraint(sb->s_bdev->bd_mapping, in ext4_sb_bread()
257 return __ext4_sb_bread_gfp(sb, block, op_flags, gfp); in ext4_sb_bread()
260 struct buffer_head *ext4_sb_bread_unmovable(struct super_block *sb, in ext4_sb_bread_unmovable() argument
263 gfp_t gfp = mapping_gfp_constraint(sb->s_bdev->bd_mapping, in ext4_sb_bread_unmovable()
266 return __ext4_sb_bread_gfp(sb, block, 0, gfp); in ext4_sb_bread_unmovable()
269 void ext4_sb_breadahead_unmovable(struct super_block *sb, sector_t block) in ext4_sb_breadahead_unmovable() argument
271 struct buffer_head *bh = bdev_getblk(sb->s_bdev, block, in ext4_sb_breadahead_unmovable()
272 sb->s_blocksize, GFP_NOWAIT | __GFP_NOWARN); in ext4_sb_breadahead_unmovable()
281 static int ext4_verify_csum_type(struct super_block *sb, in ext4_verify_csum_type() argument
284 if (!ext4_has_feature_metadata_csum(sb)) in ext4_verify_csum_type()
290 __le32 ext4_superblock_csum(struct super_block *sb, in ext4_superblock_csum() argument
293 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_superblock_csum()
302 static int ext4_superblock_csum_verify(struct super_block *sb, in ext4_superblock_csum_verify() argument
305 if (!ext4_has_metadata_csum(sb)) in ext4_superblock_csum_verify()
308 return es->s_checksum == ext4_superblock_csum(sb, es); in ext4_superblock_csum_verify()
311 void ext4_superblock_csum_set(struct super_block *sb) in ext4_superblock_csum_set() argument
313 struct ext4_super_block *es = EXT4_SB(sb)->s_es; in ext4_superblock_csum_set()
315 if (!ext4_has_metadata_csum(sb)) in ext4_superblock_csum_set()
318 es->s_checksum = ext4_superblock_csum(sb, es); in ext4_superblock_csum_set()
321 ext4_fsblk_t ext4_block_bitmap(struct super_block *sb, in ext4_block_bitmap() argument
325 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_block_bitmap()
329 ext4_fsblk_t ext4_inode_bitmap(struct super_block *sb, in ext4_inode_bitmap() argument
333 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_inode_bitmap()
337 ext4_fsblk_t ext4_inode_table(struct super_block *sb, in ext4_inode_table() argument
341 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_inode_table()
345 __u32 ext4_free_group_clusters(struct super_block *sb, in ext4_free_group_clusters() argument
349 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_free_group_clusters()
353 __u32 ext4_free_inodes_count(struct super_block *sb, in ext4_free_inodes_count() argument
357 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_free_inodes_count()
361 __u32 ext4_used_dirs_count(struct super_block *sb, in ext4_used_dirs_count() argument
365 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_used_dirs_count()
369 __u32 ext4_itable_unused_count(struct super_block *sb, in ext4_itable_unused_count() argument
373 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_itable_unused_count()
377 void ext4_block_bitmap_set(struct super_block *sb, in ext4_block_bitmap_set() argument
381 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_block_bitmap_set()
385 void ext4_inode_bitmap_set(struct super_block *sb, in ext4_inode_bitmap_set() argument
389 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_inode_bitmap_set()
393 void ext4_inode_table_set(struct super_block *sb, in ext4_inode_table_set() argument
397 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_inode_table_set()
401 void ext4_free_group_clusters_set(struct super_block *sb, in ext4_free_group_clusters_set() argument
405 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_free_group_clusters_set()
409 void ext4_free_inodes_set(struct super_block *sb, in ext4_free_inodes_set() argument
413 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_free_inodes_set()
417 void ext4_used_dirs_set(struct super_block *sb, in ext4_used_dirs_set() argument
421 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_used_dirs_set()
425 void ext4_itable_unused_set(struct super_block *sb, in ext4_itable_unused_set() argument
429 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_itable_unused_set()
464 * @sb: The superblock
466 static void ext4_maybe_update_superblock(struct super_block *sb) in ext4_maybe_update_superblock() argument
468 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_maybe_update_superblock()
476 if (sb_rdonly(sb) || !(sb->s_flags & SB_ACTIVE) || in ext4_maybe_update_superblock()
487 ((part_stat_read(sb->s_bdev, sectors[STAT_WRITE]) - in ext4_maybe_update_superblock()
499 schedule_work(&EXT4_SB(sb)->s_sb_upd_work); in ext4_maybe_update_superblock()
504 struct super_block *sb = journal->j_private; in ext4_journal_commit_callback() local
505 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_journal_commit_callback()
511 ext4_process_freed_data(sb, txn->t_tid); in ext4_journal_commit_callback()
512 ext4_maybe_update_superblock(sb); in ext4_journal_commit_callback()
520 jce->jce_func(sb, jce, error); in ext4_journal_commit_callback()
650 static void save_error_info(struct super_block *sb, int error, in save_error_info() argument
654 struct ext4_sb_info *sbi = EXT4_SB(sb); in save_error_info()
699 static void ext4_handle_error(struct super_block *sb, bool force_ro, int error, in ext4_handle_error() argument
703 journal_t *journal = EXT4_SB(sb)->s_journal; in ext4_handle_error()
704 bool continue_fs = !force_ro && test_opt(sb, ERRORS_CONT); in ext4_handle_error()
706 EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS; in ext4_handle_error()
707 if (test_opt(sb, WARN_ON_ERROR)) in ext4_handle_error()
710 if (!continue_fs && !ext4_emergency_ro(sb) && journal) in ext4_handle_error()
713 if (!bdev_read_only(sb->s_bdev)) { in ext4_handle_error()
714 save_error_info(sb, error, ino, block, func, line); in ext4_handle_error()
721 * here in that case, just update the sb directly as the last in ext4_handle_error()
725 !ext4_test_mount_flag(sb, EXT4_MF_JOURNAL_DESTROY)) in ext4_handle_error()
726 schedule_work(&EXT4_SB(sb)->s_sb_upd_work); in ext4_handle_error()
728 ext4_commit_super(sb); in ext4_handle_error()
736 if (test_opt(sb, ERRORS_PANIC) && !system_going_down()) { in ext4_handle_error()
738 sb->s_id); in ext4_handle_error()
741 if (ext4_emergency_ro(sb) || continue_fs) in ext4_handle_error()
744 ext4_msg(sb, KERN_CRIT, "Remounting filesystem read-only"); in ext4_handle_error()
746 * We don't set SB_RDONLY because that requires sb->s_umount in ext4_handle_error()
751 set_bit(EXT4_FLAGS_EMERGENCY_RO, &EXT4_SB(sb)->s_ext4_flags); in ext4_handle_error()
763 * through the journal to avoid collisions of other journalled sb in update_super_work()
805 * Write through journal failed. Write sb directly to get error info in update_super_work()
812 #define ext4_error_ratelimit(sb) \ argument
813 ___ratelimit(&(EXT4_SB(sb)->s_err_ratelimit_state), \
816 void __ext4_error(struct super_block *sb, const char *function, in __ext4_error() argument
823 if (unlikely(ext4_forced_shutdown(sb))) in __ext4_error()
826 trace_ext4_error(sb, function, line); in __ext4_error()
827 if (ext4_error_ratelimit(sb)) { in __ext4_error()
833 sb->s_id, function, line, current->comm, &vaf); in __ext4_error()
836 fsnotify_sb_error(sb, NULL, error ? error : EFSCORRUPTED); in __ext4_error()
838 ext4_handle_error(sb, force_ro, error, 0, block, function, line); in __ext4_error()
914 const char *ext4_decode_error(struct super_block *sb, int errno, in ext4_decode_error() argument
933 if (!sb || (EXT4_SB(sb)->s_journal && in ext4_decode_error()
934 EXT4_SB(sb)->s_journal->j_flags & JBD2_ABORT)) in ext4_decode_error()
957 void __ext4_std_error(struct super_block *sb, const char *function, in __ext4_std_error() argument
963 if (unlikely(ext4_forced_shutdown(sb))) in __ext4_std_error()
969 if (errno == -EROFS && journal_current_handle() == NULL && sb_rdonly(sb)) in __ext4_std_error()
972 if (ext4_error_ratelimit(sb)) { in __ext4_std_error()
973 errstr = ext4_decode_error(sb, errno, nbuf); in __ext4_std_error()
975 sb->s_id, function, line, errstr); in __ext4_std_error()
977 fsnotify_sb_error(sb, NULL, errno ? errno : EFSCORRUPTED); in __ext4_std_error()
979 ext4_handle_error(sb, false, -errno, 0, 0, function, line); in __ext4_std_error()
982 void __ext4_msg(struct super_block *sb, in __ext4_msg() argument
988 if (sb) { in __ext4_msg()
989 atomic_inc(&EXT4_SB(sb)->s_msg_count); in __ext4_msg()
990 if (!___ratelimit(&(EXT4_SB(sb)->s_msg_ratelimit_state), in __ext4_msg()
998 if (sb) in __ext4_msg()
999 printk("%sEXT4-fs (%s): %pV\n", prefix, sb->s_id, &vaf); in __ext4_msg()
1005 static int ext4_warning_ratelimit(struct super_block *sb) in ext4_warning_ratelimit() argument
1007 atomic_inc(&EXT4_SB(sb)->s_warning_count); in ext4_warning_ratelimit()
1008 return ___ratelimit(&(EXT4_SB(sb)->s_warning_ratelimit_state), in ext4_warning_ratelimit()
1012 void __ext4_warning(struct super_block *sb, const char *function, in __ext4_warning() argument
1018 if (!ext4_warning_ratelimit(sb)) in __ext4_warning()
1025 sb->s_id, function, line, &vaf); in __ext4_warning()
1048 struct super_block *sb, ext4_group_t grp, in __ext4_grp_locked_error() argument
1057 if (unlikely(ext4_forced_shutdown(sb))) in __ext4_grp_locked_error()
1060 trace_ext4_error(sb, function, line); in __ext4_grp_locked_error()
1061 if (ext4_error_ratelimit(sb)) { in __ext4_grp_locked_error()
1066 sb->s_id, function, line, grp); in __ext4_grp_locked_error()
1076 if (test_opt(sb, ERRORS_CONT)) { in __ext4_grp_locked_error()
1077 if (test_opt(sb, WARN_ON_ERROR)) in __ext4_grp_locked_error()
1079 EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS; in __ext4_grp_locked_error()
1080 if (!bdev_read_only(sb->s_bdev)) { in __ext4_grp_locked_error()
1081 save_error_info(sb, EFSCORRUPTED, ino, block, function, in __ext4_grp_locked_error()
1083 schedule_work(&EXT4_SB(sb)->s_sb_upd_work); in __ext4_grp_locked_error()
1087 ext4_unlock_group(sb, grp); in __ext4_grp_locked_error()
1088 ext4_handle_error(sb, false, EFSCORRUPTED, ino, block, function, line); in __ext4_grp_locked_error()
1100 ext4_lock_group(sb, grp); in __ext4_grp_locked_error()
1104 void ext4_mark_group_bitmap_corrupted(struct super_block *sb, in ext4_mark_group_bitmap_corrupted() argument
1108 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_mark_group_bitmap_corrupted()
1109 struct ext4_group_info *grp = ext4_get_group_info(sb, group); in ext4_mark_group_bitmap_corrupted()
1110 struct ext4_group_desc *gdp = ext4_get_group_desc(sb, group, NULL); in ext4_mark_group_bitmap_corrupted()
1129 count = ext4_free_inodes_count(sb, gdp); in ext4_mark_group_bitmap_corrupted()
1136 void ext4_update_dynamic_rev(struct super_block *sb) in ext4_update_dynamic_rev() argument
1138 struct ext4_super_block *es = EXT4_SB(sb)->s_es; in ext4_update_dynamic_rev()
1143 ext4_warning(sb, in ext4_update_dynamic_rev()
1166 static void dump_orphan_list(struct super_block *sb, struct ext4_sb_info *sbi) in dump_orphan_list() argument
1170 ext4_msg(sb, KERN_ERR, "sb orphan head is %d", in dump_orphan_list()
1185 static int ext4_quota_off(struct super_block *sb, int type);
1187 static inline void ext4_quotas_off(struct super_block *sb, int type) in ext4_quotas_off() argument
1193 ext4_quota_off(sb, type); in ext4_quotas_off()
1200 static inline char *get_qf_name(struct super_block *sb, in get_qf_name() argument
1205 lockdep_is_held(&sb->s_umount)); in get_qf_name()
1208 static inline void ext4_quotas_off(struct super_block *sb, int type) in ext4_quotas_off() argument
1284 static void ext4_put_super(struct super_block *sb) in ext4_put_super() argument
1286 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_put_super()
1301 ext4_unregister_sysfs(sb); in ext4_put_super()
1304 ext4_msg(sb, KERN_INFO, "unmounting filesystem %pU.", in ext4_put_super()
1305 &sb->s_uuid); in ext4_put_super()
1307 ext4_unregister_li_request(sb); in ext4_put_super()
1308 ext4_quotas_off(sb, EXT4_MAXQUOTAS); in ext4_put_super()
1311 ext4_release_orphan_info(sb); in ext4_put_super()
1317 ext4_abort(sb, -err, "Couldn't clean up the journal"); in ext4_put_super()
1324 ext4_release_system_zone(sb); in ext4_put_super()
1325 ext4_mb_release(sb); in ext4_put_super()
1326 ext4_ext_release(sb); in ext4_put_super()
1328 if (!sb_rdonly(sb) && !aborted) { in ext4_put_super()
1329 ext4_clear_feature_journal_needs_recovery(sb); in ext4_put_super()
1330 ext4_clear_feature_orphan_present(sb); in ext4_put_super()
1333 if (!sb_rdonly(sb)) in ext4_put_super()
1334 ext4_commit_super(sb); in ext4_put_super()
1344 kfree(get_qf_name(sb, sbi, i)); in ext4_put_super()
1352 dump_orphan_list(sb, sbi); in ext4_put_super()
1355 sync_blockdev(sb->s_bdev); in ext4_put_super()
1356 invalidate_bdev(sb->s_bdev); in ext4_put_super()
1376 sb->s_fs_info = NULL; in ext4_put_super()
1387 utf8_unload(sb->s_encoding); in ext4_put_super()
1397 static struct inode *ext4_alloc_inode(struct super_block *sb) in ext4_alloc_inode() argument
1401 ei = alloc_inode_sb(sb, ext4_inode_cachep, GFP_NOFS); in ext4_alloc_inode()
1477 static void ext4_shutdown(struct super_block *sb) in ext4_shutdown() argument
1479 ext4_force_shutdown(sb, EXT4_GOING_FLAGS_NOLOGFLUSH); in ext4_shutdown()
1534 static struct inode *ext4_nfs_get_inode(struct super_block *sb, in ext4_nfs_get_inode() argument
1543 inode = ext4_iget(sb, ino, EXT4_IGET_HANDLE); in ext4_nfs_get_inode()
1554 static struct dentry *ext4_fh_to_dentry(struct super_block *sb, struct fid *fid, in ext4_fh_to_dentry() argument
1557 return generic_fh_to_dentry(sb, fid, fh_len, fh_type, in ext4_fh_to_dentry()
1561 static struct dentry *ext4_fh_to_parent(struct super_block *sb, struct fid *fid, in ext4_fh_to_parent() argument
1564 return generic_fh_to_parent(sb, fid, fh_len, fh_type, in ext4_fh_to_parent()
1586 static int ext4_write_info(struct super_block *sb, int type);
1587 static int ext4_quota_on(struct super_block *sb, int type, int format_id,
1589 static ssize_t ext4_quota_read(struct super_block *sb, int type, char *data,
1591 static ssize_t ext4_quota_write(struct super_block *sb, int type,
1593 static int ext4_quota_enable(struct super_block *sb, int type, int format_id,
1736 fsparam_u32 ("sb", Opt_sb),
2475 static int parse_apply_sb_mount_options(struct super_block *sb, in parse_apply_sb_mount_options() argument
2478 struct ext4_sb_info *sbi = EXT4_SB(sb); in parse_apply_sb_mount_options()
2508 ret = ext4_check_opt_consistency(fc, sb); in parse_apply_sb_mount_options()
2511 ext4_msg(sb, KERN_WARNING, in parse_apply_sb_mount_options()
2523 ext4_apply_options(fc, sb); in parse_apply_sb_mount_options()
2536 struct super_block *sb) in ext4_apply_quota_options() argument
2539 bool quota_feature = ext4_has_feature_quota(sb); in ext4_apply_quota_options()
2541 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_apply_quota_options()
2555 set_opt(sb, QUOTA); in ext4_apply_quota_options()
2558 lockdep_is_held(&sb->s_umount)); in ext4_apply_quota_options()
2573 struct super_block *sb) in ext4_check_quota_consistency() argument
2577 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_check_quota_consistency()
2578 bool quota_feature = ext4_has_feature_quota(sb); in ext4_check_quota_consistency()
2579 bool quota_loaded = sb_any_quota_loaded(sb); in ext4_check_quota_consistency()
2589 !ext4_has_feature_project(sb)) { in ext4_check_quota_consistency()
2613 strcmp(get_qf_name(sb, sbi, i), in ext4_check_quota_consistency()
2637 usr_qf_name = (get_qf_name(sb, sbi, USRQUOTA) || in ext4_check_quota_consistency()
2639 grp_qf_name = (get_qf_name(sb, sbi, GRPQUOTA) || in ext4_check_quota_consistency()
2643 test_opt(sb, USRQUOTA)); in ext4_check_quota_consistency()
2646 test_opt(sb, GRPQUOTA)); in ext4_check_quota_consistency()
2691 struct super_block *sb) in ext4_check_test_dummy_encryption() argument
2694 const struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_check_test_dummy_encryption()
2699 if (!ext4_has_feature_encrypt(sb)) { in ext4_check_test_dummy_encryption()
2731 struct super_block *sb) in ext4_apply_test_dummy_encryption() argument
2735 fscrypt_is_dummy_policy_set(&EXT4_SB(sb)->s_dummy_enc_policy)) in ext4_apply_test_dummy_encryption()
2737 EXT4_SB(sb)->s_dummy_enc_policy = ctx->dummy_enc_policy; in ext4_apply_test_dummy_encryption()
2739 ext4_msg(sb, KERN_WARNING, "Test dummy encryption mode enabled"); in ext4_apply_test_dummy_encryption()
2743 struct super_block *sb) in ext4_check_opt_consistency() argument
2750 if ((ctx->opt_flags & MOPT_NO_EXT2) && IS_EXT2_SB(sb)) { in ext4_check_opt_consistency()
2755 if ((ctx->opt_flags & MOPT_NO_EXT3) && IS_EXT3_SB(sb)) { in ext4_check_opt_consistency()
2769 err = ext4_check_test_dummy_encryption(fc, sb); in ext4_check_opt_consistency()
2780 test_opt(sb, DATA_FLAGS)) { in ext4_check_opt_consistency()
2789 (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA)) { in ext4_check_opt_consistency()
2814 return ext4_check_quota_consistency(fc, sb); in ext4_check_opt_consistency()
2817 static void ext4_apply_options(struct fs_context *fc, struct super_block *sb) in ext4_apply_options() argument
2826 sb->s_flags &= ~ctx->mask_s_flags; in ext4_apply_options()
2827 sb->s_flags |= ctx->vals_s_flags; in ext4_apply_options()
2845 ext4_apply_quota_options(fc, sb); in ext4_apply_options()
2846 ext4_apply_test_dummy_encryption(ctx, sb); in ext4_apply_options()
2878 struct super_block *sb) in ext4_show_quota_options() argument
2881 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_show_quota_options()
2925 * - if the per-sb default is different from the global default
2927 static int _ext4_show_options(struct seq_file *seq, struct super_block *sb, in _ext4_show_options() argument
2930 struct ext4_sb_info *sbi = EXT4_SB(sb); in _ext4_show_options()
2940 SEQ_OPTS_PRINT("sb=%llu", sbi->s_sb_block); in _ext4_show_options()
2978 if (test_opt(sb, ERRORS_RO) && def_errors != EXT4_ERRORS_RO) in _ext4_show_options()
2980 if (test_opt(sb, ERRORS_CONT) && def_errors != EXT4_ERRORS_CONTINUE) in _ext4_show_options()
2982 if (test_opt(sb, ERRORS_PANIC) && def_errors != EXT4_ERRORS_PANIC) in _ext4_show_options()
2994 if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) in _ext4_show_options()
2996 else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA) in _ext4_show_options()
2998 else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA) in _ext4_show_options()
3006 if (test_opt(sb, INIT_INODE_TABLE) && (nodefs || in _ext4_show_options()
3011 if (test_opt(sb, DATA_ERR_ABORT)) in _ext4_show_options()
3014 fscrypt_show_test_dummy_encryption(seq, sep, sb); in _ext4_show_options()
3016 if (sb->s_flags & SB_INLINECRYPT) in _ext4_show_options()
3019 if (test_opt(sb, DAX_ALWAYS)) { in _ext4_show_options()
3020 if (IS_EXT2_SB(sb)) in _ext4_show_options()
3024 } else if (test_opt2(sb, DAX_NEVER)) { in _ext4_show_options()
3026 } else if (test_opt2(sb, DAX_INODE)) { in _ext4_show_options()
3031 !test_opt2(sb, MB_OPTIMIZE_SCAN)) { in _ext4_show_options()
3034 test_opt2(sb, MB_OPTIMIZE_SCAN)) { in _ext4_show_options()
3038 if (nodefs && !test_opt(sb, NO_PREFETCH_BLOCK_BITMAPS)) in _ext4_show_options()
3041 if (ext4_emergency_ro(sb)) in _ext4_show_options()
3044 ext4_show_quota_options(seq, sb); in _ext4_show_options()
3055 struct super_block *sb = seq->private; in ext4_seq_options_show() local
3058 seq_puts(seq, sb_rdonly(sb) ? "ro" : "rw"); in ext4_seq_options_show()
3059 rc = _ext4_show_options(seq, sb, 1); in ext4_seq_options_show()
3064 static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es, in ext4_setup_super() argument
3067 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_setup_super()
3071 ext4_msg(sb, KERN_ERR, "revision level too high, " in ext4_setup_super()
3079 ext4_msg(sb, KERN_WARNING, "warning: mounting unchecked fs, " in ext4_setup_super()
3082 ext4_msg(sb, KERN_WARNING, in ext4_setup_super()
3088 ext4_msg(sb, KERN_WARNING, in ext4_setup_super()
3094 ext4_msg(sb, KERN_WARNING, in ext4_setup_super()
3104 ext4_set_feature_journal_needs_recovery(sb); in ext4_setup_super()
3105 if (ext4_has_feature_orphan_file(sb)) in ext4_setup_super()
3106 ext4_set_feature_orphan_present(sb); in ext4_setup_super()
3109 err = ext4_commit_super(sb); in ext4_setup_super()
3111 if (test_opt(sb, DEBUG)) in ext4_setup_super()
3114 sb->s_blocksize, in ext4_setup_super()
3116 EXT4_BLOCKS_PER_GROUP(sb), in ext4_setup_super()
3117 EXT4_INODES_PER_GROUP(sb), in ext4_setup_super()
3122 int ext4_alloc_flex_bg_array(struct super_block *sb, ext4_group_t ngroup) in ext4_alloc_flex_bg_array() argument
3124 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_alloc_flex_bg_array()
3138 ext4_msg(sb, KERN_ERR, in ext4_alloc_flex_bg_array()
3150 ext4_msg(sb, KERN_ERR, in ext4_alloc_flex_bg_array()
3169 static int ext4_fill_flex_info(struct super_block *sb) in ext4_fill_flex_info() argument
3171 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_fill_flex_info()
3183 err = ext4_alloc_flex_bg_array(sb, sbi->s_groups_count); in ext4_fill_flex_info()
3188 gdp = ext4_get_group_desc(sb, i, NULL); in ext4_fill_flex_info()
3192 atomic_add(ext4_free_inodes_count(sb, gdp), &fg->free_inodes); in ext4_fill_flex_info()
3193 atomic64_add(ext4_free_group_clusters(sb, gdp), in ext4_fill_flex_info()
3195 atomic_add(ext4_used_dirs_count(sb, gdp), &fg->used_dirs); in ext4_fill_flex_info()
3203 static __le16 ext4_group_desc_csum(struct super_block *sb, __u32 block_group, in ext4_group_desc_csum() argument
3209 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_group_desc_csum()
3231 if (!ext4_has_feature_gdt_csum(sb)) in ext4_group_desc_csum()
3239 if (ext4_has_feature_64bit(sb) && offset < sbi->s_desc_size) in ext4_group_desc_csum()
3247 int ext4_group_desc_csum_verify(struct super_block *sb, __u32 block_group, in ext4_group_desc_csum_verify() argument
3250 if (ext4_has_group_desc_csum(sb) && in ext4_group_desc_csum_verify()
3251 (gdp->bg_checksum != ext4_group_desc_csum(sb, block_group, gdp))) in ext4_group_desc_csum_verify()
3257 void ext4_group_desc_csum_set(struct super_block *sb, __u32 block_group, in ext4_group_desc_csum_set() argument
3260 if (!ext4_has_group_desc_csum(sb)) in ext4_group_desc_csum_set()
3262 gdp->bg_checksum = ext4_group_desc_csum(sb, block_group, gdp); in ext4_group_desc_csum_set()
3266 static int ext4_check_descriptors(struct super_block *sb, in ext4_check_descriptors() argument
3270 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_check_descriptors()
3273 ext4_fsblk_t last_bg_block = sb_block + ext4_bg_num_gdb(sb, 0); in ext4_check_descriptors()
3280 if (ext4_has_feature_flex_bg(sb)) in ext4_check_descriptors()
3286 struct ext4_group_desc *gdp = ext4_get_group_desc(sb, i, NULL); in ext4_check_descriptors()
3292 (EXT4_BLOCKS_PER_GROUP(sb) - 1); in ext4_check_descriptors()
3298 block_bitmap = ext4_block_bitmap(sb, gdp); in ext4_check_descriptors()
3300 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3303 if (!sb_rdonly(sb)) in ext4_check_descriptors()
3308 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3311 if (!sb_rdonly(sb)) in ext4_check_descriptors()
3315 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3320 inode_bitmap = ext4_inode_bitmap(sb, gdp); in ext4_check_descriptors()
3322 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3325 if (!sb_rdonly(sb)) in ext4_check_descriptors()
3330 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3333 if (!sb_rdonly(sb)) in ext4_check_descriptors()
3337 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3342 inode_table = ext4_inode_table(sb, gdp); in ext4_check_descriptors()
3344 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3347 if (!sb_rdonly(sb)) in ext4_check_descriptors()
3352 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3355 if (!sb_rdonly(sb)) in ext4_check_descriptors()
3360 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3365 ext4_lock_group(sb, i); in ext4_check_descriptors()
3366 if (!ext4_group_desc_csum_verify(sb, i, gdp)) { in ext4_check_descriptors()
3367 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
3369 i, le16_to_cpu(ext4_group_desc_csum(sb, i, in ext4_check_descriptors()
3371 if (!sb_rdonly(sb)) { in ext4_check_descriptors()
3372 ext4_unlock_group(sb, i); in ext4_check_descriptors()
3376 ext4_unlock_group(sb, i); in ext4_check_descriptors()
3378 first_block += EXT4_BLOCKS_PER_GROUP(sb); in ext4_check_descriptors()
3509 static ext4_fsblk_t descriptor_loc(struct super_block *sb, in descriptor_loc() argument
3512 struct ext4_sb_info *sbi = EXT4_SB(sb); in descriptor_loc()
3518 if (!ext4_has_feature_meta_bg(sb) || nr < first_meta_bg) in descriptor_loc()
3521 if (ext4_bg_has_super(sb, bg)) in descriptor_loc()
3530 if (sb->s_blocksize == 1024 && nr == 0 && in descriptor_loc()
3534 return (has_super + ext4_group_first_block_no(sb, bg)); in descriptor_loc()
3580 int ext4_feature_set_ok(struct super_block *sb, int readonly) in ext4_feature_set_ok() argument
3582 if (ext4_has_unknown_ext4_incompat_features(sb)) { in ext4_feature_set_ok()
3583 ext4_msg(sb, KERN_ERR, in ext4_feature_set_ok()
3586 (le32_to_cpu(EXT4_SB(sb)->s_es->s_feature_incompat) & in ext4_feature_set_ok()
3591 if (!IS_ENABLED(CONFIG_UNICODE) && ext4_has_feature_casefold(sb)) { in ext4_feature_set_ok()
3592 ext4_msg(sb, KERN_ERR, in ext4_feature_set_ok()
3601 if (ext4_has_feature_readonly(sb)) { in ext4_feature_set_ok()
3602 ext4_msg(sb, KERN_INFO, "filesystem is read-only"); in ext4_feature_set_ok()
3603 sb->s_flags |= SB_RDONLY; in ext4_feature_set_ok()
3608 if (ext4_has_unknown_ext4_ro_compat_features(sb)) { in ext4_feature_set_ok()
3609 ext4_msg(sb, KERN_ERR, "couldn't mount RDWR because of " in ext4_feature_set_ok()
3611 (le32_to_cpu(EXT4_SB(sb)->s_es->s_feature_ro_compat) & in ext4_feature_set_ok()
3615 if (ext4_has_feature_bigalloc(sb) && !ext4_has_feature_extents(sb)) { in ext4_feature_set_ok()
3616 ext4_msg(sb, KERN_ERR, in ext4_feature_set_ok()
3623 if (!readonly && (ext4_has_feature_quota(sb) || in ext4_feature_set_ok()
3624 ext4_has_feature_project(sb))) { in ext4_feature_set_ok()
3625 ext4_msg(sb, KERN_ERR, in ext4_feature_set_ok()
3640 struct super_block *sb = sbi->s_sb; in print_daily_error_info() local
3645 ext4_msg(sb, KERN_NOTICE, "error count since last fsck: %u", in print_daily_error_info()
3649 sb->s_id, in print_daily_error_info()
3664 sb->s_id, in print_daily_error_info()
3684 struct super_block *sb = elr->lr_super; in ext4_run_li_request() local
3685 ext4_group_t ngroups = EXT4_SB(sb)->s_groups_count; in ext4_run_li_request()
3689 int nr = EXT4_SB(sb)->s_mb_prefetch; in ext4_run_li_request()
3693 elr->lr_next_group = ext4_mb_prefetch(sb, group, nr, &prefetch_ios); in ext4_run_li_request()
3694 ext4_mb_prefetch_fini(sb, elr->lr_next_group, nr); in ext4_run_li_request()
3695 trace_ext4_prefetch_bitmaps(sb, group, elr->lr_next_group, nr); in ext4_run_li_request()
3699 !sb_rdonly(sb) && test_opt(sb, INIT_INODE_TABLE)) { in ext4_run_li_request()
3709 gdp = ext4_get_group_desc(sb, group, NULL); in ext4_run_li_request()
3724 ret = ext4_init_inode_table(sb, group, in ext4_run_li_request()
3726 trace_ext4_lazy_itable_init(sb, group); in ext4_run_li_request()
3751 static void ext4_unregister_li_request(struct super_block *sb) in ext4_unregister_li_request() argument
3760 ext4_remove_li_request(EXT4_SB(sb)->s_li_request); in ext4_unregister_li_request()
3814 * We hold sb->s_umount, sb can not in ext4_lazyinit_thread()
3921 static ext4_group_t ext4_has_uninit_itable(struct super_block *sb) in ext4_has_uninit_itable() argument
3923 ext4_group_t group, ngroups = EXT4_SB(sb)->s_groups_count; in ext4_has_uninit_itable()
3926 if (!ext4_has_group_desc_csum(sb)) in ext4_has_uninit_itable()
3930 gdp = ext4_get_group_desc(sb, group, NULL); in ext4_has_uninit_itable()
3959 static struct ext4_li_request *ext4_li_request_new(struct super_block *sb, in ext4_li_request_new() argument
3968 elr->lr_super = sb; in ext4_li_request_new()
3970 if (test_opt(sb, NO_PREFETCH_BLOCK_BITMAPS)) { in ext4_li_request_new()
3986 int ext4_register_li_request(struct super_block *sb, in ext4_register_li_request() argument
3989 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_register_li_request()
4004 if (sb_rdonly(sb) || in ext4_register_li_request()
4005 (test_opt(sb, NO_PREFETCH_BLOCK_BITMAPS) && in ext4_register_li_request()
4006 (first_not_zeroed == ngroups || !test_opt(sb, INIT_INODE_TABLE)))) in ext4_register_li_request()
4009 elr = ext4_li_request_new(sb, first_not_zeroed); in ext4_register_li_request()
4061 static int set_journal_csum_feature_set(struct super_block *sb) in set_journal_csum_feature_set() argument
4065 struct ext4_sb_info *sbi = EXT4_SB(sb); in set_journal_csum_feature_set()
4067 if (ext4_has_metadata_csum(sb)) { in set_journal_csum_feature_set()
4081 if (test_opt(sb, JOURNAL_ASYNC_COMMIT)) { in set_journal_csum_feature_set()
4086 } else if (test_opt(sb, JOURNAL_CHECKSUM)) { in set_journal_csum_feature_set()
4115 static int count_overhead(struct super_block *sb, ext4_group_t grp, in count_overhead() argument
4118 struct ext4_sb_info *sbi = EXT4_SB(sb); in count_overhead()
4121 ext4_group_t i, ngroups = ext4_get_groups_count(sb); in count_overhead()
4123 int has_super = ext4_bg_has_super(sb, grp); in count_overhead()
4125 if (!ext4_has_feature_bigalloc(sb)) in count_overhead()
4126 return (has_super + ext4_bg_num_gdb(sb, grp) + in count_overhead()
4131 (grp * EXT4_BLOCKS_PER_GROUP(sb)); in count_overhead()
4132 last_block = first_block + EXT4_BLOCKS_PER_GROUP(sb) - 1; in count_overhead()
4134 gdp = ext4_get_group_desc(sb, i, NULL); in count_overhead()
4135 b = ext4_block_bitmap(sb, gdp); in count_overhead()
4140 b = ext4_inode_bitmap(sb, gdp); in count_overhead()
4145 b = ext4_inode_table(sb, gdp); in count_overhead()
4155 if (ext4_bg_has_super(sb, grp)) { in count_overhead()
4159 j = ext4_bg_num_gdb(sb, grp); in count_overhead()
4160 if (s + j > EXT4_BLOCKS_PER_GROUP(sb)) { in count_overhead()
4161 ext4_error(sb, "Invalid number of block group " in count_overhead()
4163 j = EXT4_BLOCKS_PER_GROUP(sb) - s; in count_overhead()
4171 return EXT4_CLUSTERS_PER_GROUP(sb) - in count_overhead()
4172 ext4_count_free(buf, EXT4_CLUSTERS_PER_GROUP(sb) / 8); in count_overhead()
4178 int ext4_calculate_overhead(struct super_block *sb) in ext4_calculate_overhead() argument
4180 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_calculate_overhead()
4184 ext4_group_t i, ngroups = ext4_get_groups_count(sb); in ext4_calculate_overhead()
4208 blks = count_overhead(sb, i, buf); in ext4_calculate_overhead()
4221 else if (ext4_has_feature_journal(sb) && !sbi->s_journal && j_inum) { in ext4_calculate_overhead()
4223 j_inode = ext4_get_journal_inode(sb, j_inum); in ext4_calculate_overhead()
4225 j_blocks = j_inode->i_size >> sb->s_blocksize_bits; in ext4_calculate_overhead()
4229 ext4_msg(sb, KERN_ERR, "can't get journal size"); in ext4_calculate_overhead()
4238 static void ext4_set_resv_clusters(struct super_block *sb) in ext4_set_resv_clusters() argument
4241 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_set_resv_clusters()
4249 if (!ext4_has_feature_extents(sb)) in ext4_set_resv_clusters()
4268 static const char *ext4_quota_mode(struct super_block *sb) in ext4_quota_mode() argument
4271 if (!ext4_quota_capable(sb)) in ext4_quota_mode()
4274 if (EXT4_SB(sb)->s_journal && ext4_is_quota_journalled(sb)) in ext4_quota_mode()
4283 static void ext4_setup_csum_trigger(struct super_block *sb, in ext4_setup_csum_trigger() argument
4291 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_setup_csum_trigger()
4293 sbi->s_journal_triggers[type].sb = sb; in ext4_setup_csum_trigger()
4307 static struct ext4_sb_info *ext4_alloc_sbi(struct super_block *sb) in ext4_alloc_sbi() argument
4315 sbi->s_daxdev = fs_dax_get_by_bdev(sb->s_bdev, &sbi->s_dax_part_off, in ext4_alloc_sbi()
4324 sb->s_fs_info = sbi; in ext4_alloc_sbi()
4325 sbi->s_sb = sb; in ext4_alloc_sbi()
4333 static void ext4_set_def_opts(struct super_block *sb, in ext4_set_def_opts() argument
4340 set_opt(sb, INIT_INODE_TABLE); in ext4_set_def_opts()
4342 set_opt(sb, DEBUG); in ext4_set_def_opts()
4344 set_opt(sb, GRPID); in ext4_set_def_opts()
4346 set_opt(sb, NO_UID32); in ext4_set_def_opts()
4348 set_opt(sb, XATTR_USER); in ext4_set_def_opts()
4350 set_opt(sb, POSIX_ACL); in ext4_set_def_opts()
4352 if (ext4_has_feature_fast_commit(sb)) in ext4_set_def_opts()
4353 set_opt2(sb, JOURNAL_FAST_COMMIT); in ext4_set_def_opts()
4355 if (ext4_has_metadata_csum(sb)) in ext4_set_def_opts()
4356 set_opt(sb, JOURNAL_CHECKSUM); in ext4_set_def_opts()
4359 set_opt(sb, JOURNAL_DATA); in ext4_set_def_opts()
4361 set_opt(sb, ORDERED_DATA); in ext4_set_def_opts()
4363 set_opt(sb, WRITEBACK_DATA); in ext4_set_def_opts()
4366 set_opt(sb, ERRORS_PANIC); in ext4_set_def_opts()
4368 set_opt(sb, ERRORS_CONT); in ext4_set_def_opts()
4370 set_opt(sb, ERRORS_RO); in ext4_set_def_opts()
4372 set_opt(sb, BLOCK_VALIDITY); in ext4_set_def_opts()
4374 set_opt(sb, DISCARD); in ext4_set_def_opts()
4377 set_opt(sb, BARRIER); in ext4_set_def_opts()
4383 if (!IS_EXT3_SB(sb) && !IS_EXT2_SB(sb) && in ext4_set_def_opts()
4385 set_opt(sb, DELALLOC); in ext4_set_def_opts()
4387 if (sb->s_blocksize <= PAGE_SIZE) in ext4_set_def_opts()
4388 set_opt(sb, DIOREAD_NOLOCK); in ext4_set_def_opts()
4391 static int ext4_handle_clustersize(struct super_block *sb) in ext4_handle_clustersize() argument
4393 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_handle_clustersize()
4399 if (ext4_has_feature_bigalloc(sb)) { in ext4_handle_clustersize()
4400 if (clustersize < sb->s_blocksize) { in ext4_handle_clustersize()
4401 ext4_msg(sb, KERN_ERR, in ext4_handle_clustersize()
4403 "block size (%lu)", clustersize, sb->s_blocksize); in ext4_handle_clustersize()
4409 if (clustersize != sb->s_blocksize) { in ext4_handle_clustersize()
4410 ext4_msg(sb, KERN_ERR, in ext4_handle_clustersize()
4412 "block size (%lu)", clustersize, sb->s_blocksize); in ext4_handle_clustersize()
4415 if (sbi->s_blocks_per_group > sb->s_blocksize * 8) { in ext4_handle_clustersize()
4416 ext4_msg(sb, KERN_ERR, in ext4_handle_clustersize()
4424 if (sbi->s_clusters_per_group > sb->s_blocksize * 8) { in ext4_handle_clustersize()
4425 ext4_msg(sb, KERN_ERR, "#clusters per group too big: %lu", in ext4_handle_clustersize()
4430 (sbi->s_clusters_per_group * (clustersize / sb->s_blocksize))) { in ext4_handle_clustersize()
4431 ext4_msg(sb, KERN_ERR, in ext4_handle_clustersize()
4436 sbi->s_cluster_ratio = clustersize / sb->s_blocksize; in ext4_handle_clustersize()
4440 set_opt2(sb, STD_GROUP_SIZE); in ext4_handle_clustersize()
4447 * @sb: super block
4450 static void ext4_atomic_write_init(struct super_block *sb) in ext4_atomic_write_init() argument
4452 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_atomic_write_init()
4453 struct block_device *bdev = sb->s_bdev; in ext4_atomic_write_init()
4458 if (!ext4_has_feature_extents(sb)) in ext4_atomic_write_init()
4461 sbi->s_awu_min = max(sb->s_blocksize, in ext4_atomic_write_init()
4463 sbi->s_awu_max = min(sb->s_blocksize, in ext4_atomic_write_init()
4467 ext4_msg(sb, KERN_NOTICE, "Supports (experimental) DIO atomic writes awu_min: %u, awu_max: %u", in ext4_atomic_write_init()
4475 static void ext4_fast_commit_init(struct super_block *sb) in ext4_fast_commit_init() argument
4477 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_fast_commit_init()
4486 ext4_clear_mount_flag(sb, EXT4_MF_FC_INELIGIBLE); in ext4_fast_commit_init()
4499 static int ext4_inode_info_init(struct super_block *sb, in ext4_inode_info_init() argument
4502 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_inode_info_init()
4511 ext4_msg(sb, KERN_ERR, "invalid first ino: %u", in ext4_inode_info_init()
4517 (sbi->s_inode_size > sb->s_blocksize)) { in ext4_inode_info_init()
4518 ext4_msg(sb, KERN_ERR, in ext4_inode_info_init()
4521 ext4_msg(sb, KERN_ERR, "blocksize: %lu", sb->s_blocksize); in ext4_inode_info_init()
4532 sb->s_time_gran = 1; in ext4_inode_info_init()
4533 sb->s_time_max = EXT4_EXTRA_TIMESTAMP_MAX; in ext4_inode_info_init()
4535 sb->s_time_gran = NSEC_PER_SEC; in ext4_inode_info_init()
4536 sb->s_time_max = EXT4_NON_EXTRA_TIMESTAMP_MAX; in ext4_inode_info_init()
4538 sb->s_time_min = EXT4_TIMESTAMP_MIN; in ext4_inode_info_init()
4544 if (ext4_has_feature_extra_isize(sb)) { in ext4_inode_info_init()
4550 ext4_msg(sb, KERN_ERR, in ext4_inode_info_init()
4559 ext4_msg(sb, KERN_ERR, in ext4_inode_info_init()
4572 static int ext4_encoding_init(struct super_block *sb, struct ext4_super_block *es) in ext4_encoding_init() argument
4578 if (!ext4_has_feature_casefold(sb) || sb->s_encoding) in ext4_encoding_init()
4583 ext4_msg(sb, KERN_ERR, in ext4_encoding_init()
4590 ext4_msg(sb, KERN_ERR, in ext4_encoding_init()
4600 ext4_msg(sb, KERN_INFO,"Using encoding defined by superblock: " in ext4_encoding_init()
4607 sb->s_encoding = encoding; in ext4_encoding_init()
4608 sb->s_encoding_flags = encoding_flags; in ext4_encoding_init()
4613 static inline int ext4_encoding_init(struct super_block *sb, struct ext4_super_block *es) in ext4_encoding_init() argument
4619 static int ext4_init_metadata_csum(struct super_block *sb, struct ext4_super_block *es) in ext4_init_metadata_csum() argument
4621 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_init_metadata_csum()
4624 if (ext4_has_feature_metadata_csum(sb) && in ext4_init_metadata_csum()
4625 ext4_has_feature_gdt_csum(sb)) in ext4_init_metadata_csum()
4626 ext4_warning(sb, "metadata_csum and uninit_bg are " in ext4_init_metadata_csum()
4630 if (!ext4_verify_csum_type(sb, es)) { in ext4_init_metadata_csum()
4631 ext4_msg(sb, KERN_ERR, "VFS: Found ext4 filesystem with " in ext4_init_metadata_csum()
4635 ext4_setup_csum_trigger(sb, EXT4_JTR_ORPHAN_FILE, in ext4_init_metadata_csum()
4639 if (!ext4_superblock_csum_verify(sb, es)) { in ext4_init_metadata_csum()
4640 ext4_msg(sb, KERN_ERR, "VFS: Found ext4 filesystem with " in ext4_init_metadata_csum()
4646 if (ext4_has_feature_csum_seed(sb)) in ext4_init_metadata_csum()
4648 else if (ext4_has_metadata_csum(sb) || ext4_has_feature_ea_inode(sb)) in ext4_init_metadata_csum()
4654 static int ext4_check_feature_compatibility(struct super_block *sb, in ext4_check_feature_compatibility() argument
4658 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_check_feature_compatibility()
4661 (ext4_has_compat_features(sb) || in ext4_check_feature_compatibility()
4662 ext4_has_ro_compat_features(sb) || in ext4_check_feature_compatibility()
4663 ext4_has_incompat_features(sb))) in ext4_check_feature_compatibility()
4664 ext4_msg(sb, KERN_WARNING, in ext4_check_feature_compatibility()
4669 set_opt2(sb, HURD_COMPAT); in ext4_check_feature_compatibility()
4670 if (ext4_has_feature_64bit(sb)) { in ext4_check_feature_compatibility()
4671 ext4_msg(sb, KERN_ERR, in ext4_check_feature_compatibility()
4680 if (ext4_has_feature_ea_inode(sb)) { in ext4_check_feature_compatibility()
4681 ext4_msg(sb, KERN_ERR, in ext4_check_feature_compatibility()
4687 if (IS_EXT2_SB(sb)) { in ext4_check_feature_compatibility()
4688 if (ext2_feature_set_ok(sb)) in ext4_check_feature_compatibility()
4689 ext4_msg(sb, KERN_INFO, "mounting ext2 file system " in ext4_check_feature_compatibility()
4696 if (silent && ext4_feature_set_ok(sb, sb_rdonly(sb))) in ext4_check_feature_compatibility()
4698 ext4_msg(sb, KERN_ERR, "couldn't mount as ext2 due " in ext4_check_feature_compatibility()
4704 if (IS_EXT3_SB(sb)) { in ext4_check_feature_compatibility()
4705 if (ext3_feature_set_ok(sb)) in ext4_check_feature_compatibility()
4706 ext4_msg(sb, KERN_INFO, "mounting ext3 file system " in ext4_check_feature_compatibility()
4713 if (silent && ext4_feature_set_ok(sb, sb_rdonly(sb))) in ext4_check_feature_compatibility()
4715 ext4_msg(sb, KERN_ERR, "couldn't mount as ext3 due " in ext4_check_feature_compatibility()
4726 if (!ext4_feature_set_ok(sb, (sb_rdonly(sb)))) in ext4_check_feature_compatibility()
4730 if (sb->s_blocksize == PAGE_SIZE) in ext4_check_feature_compatibility()
4733 ext4_msg(sb, KERN_ERR, "unsupported blocksize for DAX\n"); in ext4_check_feature_compatibility()
4737 if (ext4_has_feature_inline_data(sb)) { in ext4_check_feature_compatibility()
4738 ext4_msg(sb, KERN_ERR, "Cannot use DAX on a filesystem" in ext4_check_feature_compatibility()
4743 ext4_msg(sb, KERN_ERR, in ext4_check_feature_compatibility()
4749 if (ext4_has_feature_encrypt(sb) && es->s_encryption_level) { in ext4_check_feature_compatibility()
4750 ext4_msg(sb, KERN_ERR, "Unsupported encryption level %d", in ext4_check_feature_compatibility()
4758 static int ext4_check_geometry(struct super_block *sb, in ext4_check_geometry() argument
4761 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_check_geometry()
4765 if (le16_to_cpu(sbi->s_es->s_reserved_gdt_blocks) > (sb->s_blocksize / 4)) { in ext4_check_geometry()
4766 ext4_msg(sb, KERN_ERR, in ext4_check_geometry()
4775 err = generic_check_addressable(sb->s_blocksize_bits, in ext4_check_geometry()
4778 ext4_msg(sb, KERN_ERR, "filesystem" in ext4_check_geometry()
4784 blocks_count = sb_bdev_nr_blocks(sb); in ext4_check_geometry()
4786 ext4_msg(sb, KERN_WARNING, "bad geometry: block count %llu " in ext4_check_geometry()
4797 ext4_msg(sb, KERN_WARNING, "bad geometry: first data " in ext4_check_geometry()
4805 ext4_msg(sb, KERN_WARNING, "bad geometry: first data " in ext4_check_geometry()
4812 EXT4_BLOCKS_PER_GROUP(sb) - 1); in ext4_check_geometry()
4813 do_div(blocks_count, EXT4_BLOCKS_PER_GROUP(sb)); in ext4_check_geometry()
4814 if (blocks_count > ((uint64_t)1<<32) - EXT4_DESC_PER_BLOCK(sb)) { in ext4_check_geometry()
4815 ext4_msg(sb, KERN_WARNING, "groups count too large: %llu " in ext4_check_geometry()
4820 EXT4_BLOCKS_PER_GROUP(sb)); in ext4_check_geometry()
4825 (EXT4_MAX_BLOCK_FILE_PHYS / EXT4_BLOCKS_PER_GROUP(sb))); in ext4_check_geometry()
4828 ext4_msg(sb, KERN_ERR, "inodes count not valid: %u vs %llu", in ext4_check_geometry()
4837 static int ext4_group_desc_init(struct super_block *sb, in ext4_group_desc_init() argument
4842 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_group_desc_init()
4847 db_count = (sbi->s_groups_count + EXT4_DESC_PER_BLOCK(sb) - 1) / in ext4_group_desc_init()
4848 EXT4_DESC_PER_BLOCK(sb); in ext4_group_desc_init()
4849 if (ext4_has_feature_meta_bg(sb)) { in ext4_group_desc_init()
4851 ext4_msg(sb, KERN_WARNING, in ext4_group_desc_init()
4863 ext4_msg(sb, KERN_ERR, "not enough memory"); in ext4_group_desc_init()
4871 block = descriptor_loc(sb, logical_sb_block, i); in ext4_group_desc_init()
4872 ext4_sb_breadahead_unmovable(sb, block); in ext4_group_desc_init()
4878 block = descriptor_loc(sb, logical_sb_block, i); in ext4_group_desc_init()
4879 bh = ext4_sb_bread_unmovable(sb, block); in ext4_group_desc_init()
4881 ext4_msg(sb, KERN_ERR, in ext4_group_desc_init()
4891 if (!ext4_check_descriptors(sb, logical_sb_block, first_not_zeroed)) { in ext4_group_desc_init()
4892 ext4_msg(sb, KERN_ERR, "group descriptors corrupted!"); in ext4_group_desc_init()
4899 static int ext4_load_and_init_journal(struct super_block *sb, in ext4_load_and_init_journal() argument
4903 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_load_and_init_journal()
4906 err = ext4_load_journal(sb, es, ctx->journal_devnum); in ext4_load_and_init_journal()
4910 if (ext4_has_feature_64bit(sb) && in ext4_load_and_init_journal()
4911 !jbd2_journal_set_features(EXT4_SB(sb)->s_journal, 0, 0, in ext4_load_and_init_journal()
4913 ext4_msg(sb, KERN_ERR, "Failed to set 64-bit journal feature"); in ext4_load_and_init_journal()
4917 if (!set_journal_csum_feature_set(sb)) { in ext4_load_and_init_journal()
4918 ext4_msg(sb, KERN_ERR, "Failed to set journal checksum " in ext4_load_and_init_journal()
4923 if (test_opt2(sb, JOURNAL_FAST_COMMIT) && in ext4_load_and_init_journal()
4924 !jbd2_journal_set_features(EXT4_SB(sb)->s_journal, 0, 0, in ext4_load_and_init_journal()
4926 ext4_msg(sb, KERN_ERR, in ext4_load_and_init_journal()
4933 switch (test_opt(sb, DATA_FLAGS)) { in ext4_load_and_init_journal()
4941 set_opt(sb, ORDERED_DATA); in ext4_load_and_init_journal()
4944 set_opt(sb, JOURNAL_DATA); in ext4_load_and_init_journal()
4953 ext4_msg(sb, KERN_ERR, "Journal does not support " in ext4_load_and_init_journal()
4962 if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA && in ext4_load_and_init_journal()
4963 test_opt(sb, JOURNAL_ASYNC_COMMIT)) { in ext4_load_and_init_journal()
4964 ext4_msg(sb, KERN_ERR, "can't mount with " in ext4_load_and_init_journal()
4983 static int ext4_check_journal_data_mode(struct super_block *sb) in ext4_check_journal_data_mode() argument
4985 if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) { in ext4_check_journal_data_mode()
4990 clear_opt(sb, DIOREAD_NOLOCK); in ext4_check_journal_data_mode()
4991 clear_opt2(sb, JOURNAL_FAST_COMMIT); in ext4_check_journal_data_mode()
4992 if (test_opt2(sb, EXPLICIT_DELALLOC)) { in ext4_check_journal_data_mode()
4993 ext4_msg(sb, KERN_ERR, "can't mount with " in ext4_check_journal_data_mode()
4997 if (test_opt(sb, DAX_ALWAYS)) { in ext4_check_journal_data_mode()
4998 ext4_msg(sb, KERN_ERR, "can't mount with " in ext4_check_journal_data_mode()
5002 if (ext4_has_feature_encrypt(sb)) { in ext4_check_journal_data_mode()
5003 ext4_msg(sb, KERN_WARNING, in ext4_check_journal_data_mode()
5007 if (test_opt(sb, DELALLOC)) in ext4_check_journal_data_mode()
5008 clear_opt(sb, DELALLOC); in ext4_check_journal_data_mode()
5010 sb->s_iflags |= SB_I_CGROUPWB; in ext4_check_journal_data_mode()
5016 static int ext4_load_super(struct super_block *sb, ext4_fsblk_t *lsb, in ext4_load_super() argument
5019 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_load_super()
5027 blocksize = sb_min_blocksize(sb, EXT4_MIN_BLOCK_SIZE); in ext4_load_super()
5029 ext4_msg(sb, KERN_ERR, "unable to set blocksize"); in ext4_load_super()
5044 bh = ext4_sb_bread_unmovable(sb, logical_sb_block); in ext4_load_super()
5046 ext4_msg(sb, KERN_ERR, "unable to read superblock"); in ext4_load_super()
5055 sb->s_magic = le16_to_cpu(es->s_magic); in ext4_load_super()
5056 if (sb->s_magic != EXT4_SUPER_MAGIC) { in ext4_load_super()
5058 ext4_msg(sb, KERN_ERR, "VFS: Can't find ext4 filesystem"); in ext4_load_super()
5064 ext4_msg(sb, KERN_ERR, in ext4_load_super()
5071 ext4_msg(sb, KERN_ERR, in ext4_load_super()
5083 if (sb->s_blocksize == blocksize) { in ext4_load_super()
5096 if (!sb_set_blocksize(sb, blocksize)) { in ext4_load_super()
5097 ext4_msg(sb, KERN_ERR, "bad block size %d", in ext4_load_super()
5105 bh = ext4_sb_bread_unmovable(sb, logical_sb_block); in ext4_load_super()
5107 ext4_msg(sb, KERN_ERR, "Can't read superblock on 2nd try"); in ext4_load_super()
5115 ext4_msg(sb, KERN_ERR, "Magic mismatch, very weird!"); in ext4_load_super()
5126 static int ext4_hash_info_init(struct super_block *sb) in ext4_hash_info_init() argument
5128 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_hash_info_init()
5135 ext4_msg(sb, KERN_ERR, in ext4_hash_info_init()
5139 ext4_msg(sb, KERN_ERR, in ext4_hash_info_init()
5147 if (ext4_has_feature_dir_index(sb)) { in ext4_hash_info_init()
5153 if (!sb_rdonly(sb)) in ext4_hash_info_init()
5158 if (!sb_rdonly(sb)) in ext4_hash_info_init()
5167 static int ext4_block_group_meta_init(struct super_block *sb, int silent) in ext4_block_group_meta_init() argument
5169 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_block_group_meta_init()
5173 has_huge_files = ext4_has_feature_huge_file(sb); in ext4_block_group_meta_init()
5174 sbi->s_bitmap_maxbytes = ext4_max_bitmap_size(sb->s_blocksize_bits, in ext4_block_group_meta_init()
5176 sb->s_maxbytes = ext4_max_size(sb->s_blocksize_bits, has_huge_files); in ext4_block_group_meta_init()
5179 if (ext4_has_feature_64bit(sb)) { in ext4_block_group_meta_init()
5183 ext4_msg(sb, KERN_ERR, in ext4_block_group_meta_init()
5194 sbi->s_inodes_per_block = sb->s_blocksize / EXT4_INODE_SIZE(sb); in ext4_block_group_meta_init()
5197 ext4_msg(sb, KERN_ERR, "VFS: Can't find ext4 filesystem"); in ext4_block_group_meta_init()
5201 sbi->s_inodes_per_group > sb->s_blocksize * 8) { in ext4_block_group_meta_init()
5202 ext4_msg(sb, KERN_ERR, "invalid inodes per group: %lu\n", in ext4_block_group_meta_init()
5208 sbi->s_desc_per_block = sb->s_blocksize / EXT4_DESC_SIZE(sb); in ext4_block_group_meta_init()
5210 sbi->s_addr_per_block_bits = ilog2(EXT4_ADDR_PER_BLOCK(sb)); in ext4_block_group_meta_init()
5211 sbi->s_desc_per_block_bits = ilog2(EXT4_DESC_PER_BLOCK(sb)); in ext4_block_group_meta_init()
5221 static bool ext4_is_stripe_incompatible(struct super_block *sb, unsigned long stripe) in ext4_is_stripe_incompatible() argument
5223 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_is_stripe_incompatible()
5228 static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb) in __ext4_fill_super() argument
5231 struct ext4_sb_info *sbi = EXT4_SB(sb); in __ext4_fill_super()
5246 part_stat_read(sb->s_bdev, sectors[STAT_WRITE]); in __ext4_fill_super()
5248 err = ext4_load_super(sb, &logical_sb_block, silent); in __ext4_fill_super()
5255 err = ext4_init_metadata_csum(sb, es); in __ext4_fill_super()
5259 ext4_set_def_opts(sb, es); in __ext4_fill_super()
5273 err = ext4_inode_info_init(sb, es); in __ext4_fill_super()
5277 err = parse_apply_sb_mount_options(sb, ctx); in __ext4_fill_super()
5284 err = ext4_check_opt_consistency(fc, sb); in __ext4_fill_super()
5288 ext4_apply_options(fc, sb); in __ext4_fill_super()
5290 err = ext4_encoding_init(sb, es); in __ext4_fill_super()
5294 err = ext4_check_journal_data_mode(sb); in __ext4_fill_super()
5298 sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | in __ext4_fill_super()
5299 (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0); in __ext4_fill_super()
5302 sb->s_flags |= SB_I_VERSION; in __ext4_fill_super()
5305 sb->s_iflags |= SB_I_ALLOW_HSM; in __ext4_fill_super()
5307 err = ext4_check_feature_compatibility(sb, es, silent); in __ext4_fill_super()
5311 err = ext4_block_group_meta_init(sb, silent); in __ext4_fill_super()
5315 err = ext4_hash_info_init(sb); in __ext4_fill_super()
5319 err = ext4_handle_clustersize(sb); in __ext4_fill_super()
5323 err = ext4_check_geometry(sb, es); in __ext4_fill_super()
5331 err = ext4_group_desc_init(sb, es, logical_sb_block, &first_not_zeroed); in __ext4_fill_super()
5340 if (ext4_is_stripe_incompatible(sb, sbi->s_stripe)) { in __ext4_fill_super()
5341 ext4_msg(sb, KERN_WARNING, in __ext4_fill_super()
5352 sb->s_op = &ext4_sops; in __ext4_fill_super()
5353 sb->s_export_op = &ext4_export_ops; in __ext4_fill_super()
5354 sb->s_xattr = ext4_xattr_handlers; in __ext4_fill_super()
5356 sb->s_cop = &ext4_cryptops; in __ext4_fill_super()
5359 sb->s_vop = &ext4_verityops; in __ext4_fill_super()
5362 sb->dq_op = &ext4_quota_operations; in __ext4_fill_super()
5363 if (ext4_has_feature_quota(sb)) in __ext4_fill_super()
5364 sb->s_qcop = &dquot_quotactl_sysfile_ops; in __ext4_fill_super()
5366 sb->s_qcop = &ext4_qctl_operations; in __ext4_fill_super()
5367 sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ; in __ext4_fill_super()
5369 super_set_uuid(sb, es->s_uuid, sizeof(es->s_uuid)); in __ext4_fill_super()
5370 super_set_sysfs_name_bdev(sb); in __ext4_fill_super()
5377 ext4_atomic_write_init(sb); in __ext4_fill_super()
5378 ext4_fast_commit_init(sb); in __ext4_fill_super()
5380 sb->s_root = NULL; in __ext4_fill_super()
5383 ext4_has_feature_orphan_present(sb) || in __ext4_fill_super()
5384 ext4_has_feature_journal_needs_recovery(sb)); in __ext4_fill_super()
5386 if (ext4_has_feature_mmp(sb) && !sb_rdonly(sb)) { in __ext4_fill_super()
5387 err = ext4_multi_mount_protect(sb, le64_to_cpu(es->s_mmp_block)); in __ext4_fill_super()
5397 if (!test_opt(sb, NOLOAD) && ext4_has_feature_journal(sb)) { in __ext4_fill_super()
5398 err = ext4_load_and_init_journal(sb, es, ctx); in __ext4_fill_super()
5401 } else if (test_opt(sb, NOLOAD) && !sb_rdonly(sb) && in __ext4_fill_super()
5402 ext4_has_feature_journal_needs_recovery(sb)) { in __ext4_fill_super()
5403 ext4_msg(sb, KERN_ERR, "required journal recovery " in __ext4_fill_super()
5408 if (test_opt(sb, JOURNAL_ASYNC_COMMIT)) { in __ext4_fill_super()
5409 ext4_msg(sb, KERN_ERR, "can't mount with " in __ext4_fill_super()
5414 if (test_opt2(sb, EXPLICIT_JOURNAL_CHECKSUM)) { in __ext4_fill_super()
5415 ext4_msg(sb, KERN_ERR, "can't mount with " in __ext4_fill_super()
5420 ext4_msg(sb, KERN_ERR, "can't mount with " in __ext4_fill_super()
5427 ext4_msg(sb, KERN_ERR, "can't mount with " in __ext4_fill_super()
5432 clear_opt(sb, JOURNAL_CHECKSUM); in __ext4_fill_super()
5433 clear_opt(sb, DATA_FLAGS); in __ext4_fill_super()
5434 clear_opt2(sb, JOURNAL_FAST_COMMIT); in __ext4_fill_super()
5439 if (!test_opt(sb, NO_MBCACHE)) { in __ext4_fill_super()
5442 ext4_msg(sb, KERN_ERR, in __ext4_fill_super()
5448 if (ext4_has_feature_ea_inode(sb)) { in __ext4_fill_super()
5451 ext4_msg(sb, KERN_ERR, in __ext4_fill_super()
5472 if (!ext4_has_feature_bigalloc(sb)) in __ext4_fill_super()
5475 err = ext4_calculate_overhead(sb); in __ext4_fill_super()
5484 EXT4_SB(sb)->rsv_conversion_wq = in __ext4_fill_super()
5486 if (!EXT4_SB(sb)->rsv_conversion_wq) { in __ext4_fill_super()
5497 root = ext4_iget(sb, EXT4_ROOT_INO, EXT4_IGET_SPECIAL); in __ext4_fill_super()
5499 ext4_msg(sb, KERN_ERR, "get root inode failed"); in __ext4_fill_super()
5505 ext4_msg(sb, KERN_ERR, "corrupt root inode, run e2fsck"); in __ext4_fill_super()
5511 generic_set_sb_d_ops(sb); in __ext4_fill_super()
5512 sb->s_root = d_make_root(root); in __ext4_fill_super()
5513 if (!sb->s_root) { in __ext4_fill_super()
5514 ext4_msg(sb, KERN_ERR, "get root dentry failed"); in __ext4_fill_super()
5519 err = ext4_setup_super(sb, es, sb_rdonly(sb)); in __ext4_fill_super()
5521 sb->s_flags |= SB_RDONLY; in __ext4_fill_super()
5525 ext4_set_resv_clusters(sb); in __ext4_fill_super()
5527 if (test_opt(sb, BLOCK_VALIDITY)) { in __ext4_fill_super()
5528 err = ext4_setup_system_zone(sb); in __ext4_fill_super()
5530 ext4_msg(sb, KERN_ERR, "failed to initialize system " in __ext4_fill_super()
5535 ext4_fc_replay_cleanup(sb); in __ext4_fill_super()
5537 ext4_ext_init(sb); in __ext4_fill_super()
5546 set_opt2(sb, MB_OPTIMIZE_SCAN); in __ext4_fill_super()
5548 clear_opt2(sb, MB_OPTIMIZE_SCAN); in __ext4_fill_super()
5551 err = ext4_mb_init(sb); in __ext4_fill_super()
5553 ext4_msg(sb, KERN_ERR, "failed to initialize mballoc (%d)", in __ext4_fill_super()
5570 if (ext4_has_feature_flex_bg(sb)) in __ext4_fill_super()
5571 if (!ext4_fill_flex_info(sb)) { in __ext4_fill_super()
5572 ext4_msg(sb, KERN_ERR, in __ext4_fill_super()
5579 err = ext4_register_li_request(sb, first_not_zeroed); in __ext4_fill_super()
5583 err = ext4_init_orphan_info(sb); in __ext4_fill_super()
5588 if (ext4_has_feature_quota(sb) && !sb_rdonly(sb)) { in __ext4_fill_super()
5589 err = ext4_enable_quotas(sb); in __ext4_fill_super()
5599 errseq_check_and_advance(&sb->s_bdev->bd_mapping->wb_err, in __ext4_fill_super()
5601 EXT4_SB(sb)->s_mount_state |= EXT4_ORPHAN_FS; in __ext4_fill_super()
5602 ext4_orphan_cleanup(sb, es); in __ext4_fill_super()
5603 EXT4_SB(sb)->s_mount_state &= ~EXT4_ORPHAN_FS; in __ext4_fill_super()
5611 ext4_superblock_csum_set(sb); in __ext4_fill_super()
5613 ext4_msg(sb, KERN_INFO, "recovery complete"); in __ext4_fill_super()
5614 err = ext4_mark_recovery_complete(sb, es); in __ext4_fill_super()
5619 if (test_opt(sb, DISCARD) && !bdev_max_discard_sectors(sb->s_bdev)) in __ext4_fill_super()
5620 ext4_msg(sb, KERN_WARNING, in __ext4_fill_super()
5634 err = ext4_register_sysfs(sb); in __ext4_fill_super()
5641 ext4_quotas_off(sb, EXT4_MAXQUOTAS); in __ext4_fill_super()
5643 ext4_release_orphan_info(sb); in __ext4_fill_super()
5645 ext4_unregister_li_request(sb); in __ext4_fill_super()
5647 ext4_mb_release(sb); in __ext4_fill_super()
5651 ext4_ext_release(sb); in __ext4_fill_super()
5652 ext4_release_system_zone(sb); in __ext4_fill_super()
5654 dput(sb->s_root); in __ext4_fill_super()
5655 sb->s_root = NULL; in __ext4_fill_super()
5657 ext4_msg(sb, KERN_ERR, "mount failed"); in __ext4_fill_super()
5658 if (EXT4_SB(sb)->rsv_conversion_wq) in __ext4_fill_super()
5659 destroy_workqueue(EXT4_SB(sb)->rsv_conversion_wq); in __ext4_fill_super()
5680 utf8_unload(sb->s_encoding); in __ext4_fill_super()
5685 kfree(get_qf_name(sb, sbi, i)); in __ext4_fill_super()
5694 invalidate_bdev(sb->s_bdev); in __ext4_fill_super()
5695 sb->s_fs_info = NULL; in __ext4_fill_super()
5699 static int ext4_fill_super(struct super_block *sb, struct fs_context *fc) in ext4_fill_super() argument
5706 sbi = ext4_alloc_sbi(sb); in ext4_fill_super()
5713 strreplace(sb->s_id, '/', '!'); in ext4_fill_super()
5719 ret = __ext4_fill_super(fc, sb); in ext4_fill_super()
5724 if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) in ext4_fill_super()
5726 else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA) in ext4_fill_super()
5734 ext4_msg(sb, KERN_INFO, "mounted filesystem %pU %s with%s. " in ext4_fill_super()
5735 "Quota mode: %s.", &sb->s_uuid, in ext4_fill_super()
5736 sb_rdonly(sb) ? "ro" : "r/w", descr, in ext4_fill_super()
5737 ext4_quota_mode(sb)); in ext4_fill_super()
5740 ext4_update_overhead(sb, false); in ext4_fill_super()
5759 static void ext4_init_journal_params(struct super_block *sb, journal_t *journal) in ext4_init_journal_params() argument
5761 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_init_journal_params()
5766 ext4_fc_init(sb, journal); in ext4_init_journal_params()
5769 if (test_opt(sb, BARRIER)) in ext4_init_journal_params()
5773 if (test_opt(sb, DATA_ERR_ABORT)) in ext4_init_journal_params()
5785 static struct inode *ext4_get_journal_inode(struct super_block *sb, in ext4_get_journal_inode() argument
5795 journal_inode = ext4_iget(sb, journal_inum, EXT4_IGET_SPECIAL); in ext4_get_journal_inode()
5797 ext4_msg(sb, KERN_ERR, "no journal found"); in ext4_get_journal_inode()
5803 ext4_msg(sb, KERN_ERR, "journal inode is deleted"); in ext4_get_journal_inode()
5807 ext4_msg(sb, KERN_ERR, "invalid journal inode"); in ext4_get_journal_inode()
5839 static journal_t *ext4_open_inode_journal(struct super_block *sb, in ext4_open_inode_journal() argument
5845 journal_inode = ext4_get_journal_inode(sb, journal_inum); in ext4_open_inode_journal()
5851 ext4_msg(sb, KERN_ERR, "Could not load journal inode"); in ext4_open_inode_journal()
5855 journal->j_private = sb; in ext4_open_inode_journal()
5857 ext4_init_journal_params(sb, journal); in ext4_open_inode_journal()
5861 static struct file *ext4_get_journal_blkdev(struct super_block *sb, in ext4_get_journal_blkdev() argument
5876 sb, &fs_holder_ops); in ext4_get_journal_blkdev()
5878 ext4_msg(sb, KERN_ERR, in ext4_get_journal_blkdev()
5885 blocksize = sb->s_blocksize; in ext4_get_journal_blkdev()
5888 ext4_msg(sb, KERN_ERR, in ext4_get_journal_blkdev()
5899 ext4_msg(sb, KERN_ERR, "couldn't read superblock of " in ext4_get_journal_blkdev()
5909 ext4_msg(sb, KERN_ERR, "external journal has bad superblock"); in ext4_get_journal_blkdev()
5916 es->s_checksum != ext4_superblock_csum(sb, es)) { in ext4_get_journal_blkdev()
5917 ext4_msg(sb, KERN_ERR, "external journal has corrupt superblock"); in ext4_get_journal_blkdev()
5922 if (memcmp(EXT4_SB(sb)->s_es->s_journal_uuid, es->s_uuid, 16)) { in ext4_get_journal_blkdev()
5923 ext4_msg(sb, KERN_ERR, "journal UUID does not match"); in ext4_get_journal_blkdev()
5940 static journal_t *ext4_open_dev_journal(struct super_block *sb, in ext4_open_dev_journal() argument
5949 bdev_file = ext4_get_journal_blkdev(sb, j_dev, &j_start, &j_len); in ext4_open_dev_journal()
5953 journal = jbd2_journal_init_dev(file_bdev(bdev_file), sb->s_bdev, j_start, in ext4_open_dev_journal()
5954 j_len, sb->s_blocksize); in ext4_open_dev_journal()
5956 ext4_msg(sb, KERN_ERR, "failed to create device journal"); in ext4_open_dev_journal()
5961 ext4_msg(sb, KERN_ERR, "External journal has more than one " in ext4_open_dev_journal()
5967 journal->j_private = sb; in ext4_open_dev_journal()
5968 EXT4_SB(sb)->s_journal_bdev_file = bdev_file; in ext4_open_dev_journal()
5969 ext4_init_journal_params(sb, journal); in ext4_open_dev_journal()
5973 ext4_journal_destroy(EXT4_SB(sb), journal); in ext4_open_dev_journal()
5979 static int ext4_load_journal(struct super_block *sb, in ext4_load_journal() argument
5990 if (WARN_ON_ONCE(!ext4_has_feature_journal(sb))) in ext4_load_journal()
5995 ext4_msg(sb, KERN_INFO, "external journal device major/minor " in ext4_load_journal()
6002 ext4_msg(sb, KERN_ERR, in ext4_load_journal()
6008 journal = ext4_open_inode_journal(sb, journal_inum); in ext4_load_journal()
6012 journal = ext4_open_dev_journal(sb, journal_dev); in ext4_load_journal()
6018 really_read_only = bdev_read_only(sb->s_bdev) | journal_dev_ro; in ext4_load_journal()
6020 if (journal_dev_ro && !sb_rdonly(sb)) { in ext4_load_journal()
6021 ext4_msg(sb, KERN_ERR, in ext4_load_journal()
6032 if (ext4_has_feature_journal_needs_recovery(sb)) { in ext4_load_journal()
6033 if (sb_rdonly(sb)) { in ext4_load_journal()
6034 ext4_msg(sb, KERN_INFO, "INFO: recovery " in ext4_load_journal()
6037 ext4_msg(sb, KERN_ERR, "write access " in ext4_load_journal()
6043 ext4_msg(sb, KERN_INFO, "write access will " in ext4_load_journal()
6049 ext4_msg(sb, KERN_INFO, "barriers disabled"); in ext4_load_journal()
6051 if (!ext4_has_feature_journal_needs_recovery(sb)) in ext4_load_journal()
6070 es->s_state |= cpu_to_le16(EXT4_SB(sb)->s_mount_state & in ext4_load_journal()
6077 err2 = ext4_commit_super(sb); in ext4_load_journal()
6083 ext4_msg(sb, KERN_ERR, "error loading journal"); in ext4_load_journal()
6087 EXT4_SB(sb)->s_journal = journal; in ext4_load_journal()
6088 err = ext4_clear_journal_err(sb, es); in ext4_load_journal()
6090 ext4_journal_destroy(EXT4_SB(sb), journal); in ext4_load_journal()
6097 ext4_commit_super(sb); in ext4_load_journal()
6102 ext4_commit_super(sb); in ext4_load_journal()
6108 ext4_journal_destroy(EXT4_SB(sb), journal); in ext4_load_journal()
6112 /* Copy state of EXT4_SB(sb) into buffer for on-disk superblock */
6113 static void ext4_update_super(struct super_block *sb) in ext4_update_super() argument
6115 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_update_super()
6130 if (!sb_rdonly(sb)) in ext4_update_super()
6134 ((part_stat_read(sb->s_bdev, sectors[STAT_WRITE]) - in ext4_update_super()
6183 ext4_superblock_csum_set(sb); in ext4_update_super()
6187 static int ext4_commit_super(struct super_block *sb) in ext4_commit_super() argument
6189 struct buffer_head *sbh = EXT4_SB(sb)->s_sbh; in ext4_commit_super()
6194 ext4_update_super(sb); in ext4_commit_super()
6212 ext4_msg(sb, KERN_ERR, "previous I/O error to " in ext4_commit_super()
6222 (test_opt(sb, BARRIER) ? REQ_FUA : 0), sbh); in ext4_commit_super()
6225 ext4_msg(sb, KERN_ERR, "I/O error while writing " in ext4_commit_super()
6239 static int ext4_mark_recovery_complete(struct super_block *sb, in ext4_mark_recovery_complete() argument
6243 journal_t *journal = EXT4_SB(sb)->s_journal; in ext4_mark_recovery_complete()
6245 if (!ext4_has_feature_journal(sb)) { in ext4_mark_recovery_complete()
6247 ext4_error(sb, "Journal got removed while the fs was " in ext4_mark_recovery_complete()
6258 if (sb_rdonly(sb) && (ext4_has_feature_journal_needs_recovery(sb) || in ext4_mark_recovery_complete()
6259 ext4_has_feature_orphan_present(sb))) { in ext4_mark_recovery_complete()
6260 if (!ext4_orphan_file_empty(sb)) { in ext4_mark_recovery_complete()
6261 ext4_error(sb, "Orphan file not empty on read-only fs."); in ext4_mark_recovery_complete()
6265 ext4_clear_feature_journal_needs_recovery(sb); in ext4_mark_recovery_complete()
6266 ext4_clear_feature_orphan_present(sb); in ext4_mark_recovery_complete()
6267 ext4_commit_super(sb); in ext4_mark_recovery_complete()
6279 static int ext4_clear_journal_err(struct super_block *sb, in ext4_clear_journal_err() argument
6286 if (!ext4_has_feature_journal(sb)) { in ext4_clear_journal_err()
6287 ext4_error(sb, "Journal got removed while the fs was mounted!"); in ext4_clear_journal_err()
6291 journal = EXT4_SB(sb)->s_journal; in ext4_clear_journal_err()
6302 errstr = ext4_decode_error(sb, j_errno, nbuf); in ext4_clear_journal_err()
6303 ext4_warning(sb, "Filesystem error recorded " in ext4_clear_journal_err()
6306 EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS; in ext4_clear_journal_err()
6308 j_errno = ext4_commit_super(sb); in ext4_clear_journal_err()
6311 ext4_warning(sb, "Marked fs in need of filesystem check."); in ext4_clear_journal_err()
6323 int ext4_force_commit(struct super_block *sb) in ext4_force_commit() argument
6325 return ext4_journal_force_commit(EXT4_SB(sb)->s_journal); in ext4_force_commit()
6328 static int ext4_sync_fs(struct super_block *sb, int wait) in ext4_sync_fs() argument
6333 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_sync_fs()
6335 if (unlikely(ext4_forced_shutdown(sb))) in ext4_sync_fs()
6338 trace_ext4_sync_fs(sb, wait); in ext4_sync_fs()
6344 dquot_writeback_dquots(sb, -1); in ext4_sync_fs()
6361 } else if (wait && test_opt(sb, BARRIER)) in ext4_sync_fs()
6365 err = blkdev_issue_flush(sb->s_bdev); in ext4_sync_fs()
6381 static int ext4_freeze(struct super_block *sb) in ext4_freeze() argument
6384 journal_t *journal = EXT4_SB(sb)->s_journal; in ext4_freeze()
6399 ext4_clear_feature_journal_needs_recovery(sb); in ext4_freeze()
6400 if (ext4_orphan_file_empty(sb)) in ext4_freeze()
6401 ext4_clear_feature_orphan_present(sb); in ext4_freeze()
6404 error = ext4_commit_super(sb); in ext4_freeze()
6416 static int ext4_unfreeze(struct super_block *sb) in ext4_unfreeze() argument
6418 if (ext4_forced_shutdown(sb)) in ext4_unfreeze()
6421 if (EXT4_SB(sb)->s_journal) { in ext4_unfreeze()
6423 ext4_set_feature_journal_needs_recovery(sb); in ext4_unfreeze()
6424 if (ext4_has_feature_orphan_file(sb)) in ext4_unfreeze()
6425 ext4_set_feature_orphan_present(sb); in ext4_unfreeze()
6428 ext4_commit_super(sb); in ext4_unfreeze()
6448 static int __ext4_remount(struct fs_context *fc, struct super_block *sb) in __ext4_remount() argument
6452 struct ext4_sb_info *sbi = EXT4_SB(sb); in __ext4_remount()
6466 old_sb_flags = sb->s_flags; in __ext4_remount()
6478 char *qf_name = get_qf_name(sb, sbi, i); in __ext4_remount()
6499 ext4_is_stripe_incompatible(sb, ctx->s_stripe)) { in __ext4_remount()
6500 ext4_msg(sb, KERN_WARNING, in __ext4_remount()
6514 alloc_ctx = ext4_writepages_down_write(sb); in __ext4_remount()
6515 ext4_apply_options(fc, sb); in __ext4_remount()
6516 ext4_writepages_up_write(sb, alloc_ctx); in __ext4_remount()
6519 test_opt(sb, JOURNAL_CHECKSUM)) { in __ext4_remount()
6520 ext4_msg(sb, KERN_ERR, "changing journal_checksum " in __ext4_remount()
6525 if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) { in __ext4_remount()
6526 if (test_opt2(sb, EXPLICIT_DELALLOC)) { in __ext4_remount()
6527 ext4_msg(sb, KERN_ERR, "can't mount with " in __ext4_remount()
6532 if (test_opt(sb, DIOREAD_NOLOCK)) { in __ext4_remount()
6533 ext4_msg(sb, KERN_ERR, "can't mount with " in __ext4_remount()
6538 } else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA) { in __ext4_remount()
6539 if (test_opt(sb, JOURNAL_ASYNC_COMMIT)) { in __ext4_remount()
6540 ext4_msg(sb, KERN_ERR, "can't mount with " in __ext4_remount()
6548 ext4_msg(sb, KERN_ERR, "can't enable nombcache during remount"); in __ext4_remount()
6554 !test_opt(sb, DELALLOC)) { in __ext4_remount()
6555 ext4_msg(sb, KERN_ERR, "can't disable delalloc during remount"); in __ext4_remount()
6560 sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | in __ext4_remount()
6561 (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0); in __ext4_remount()
6566 ext4_init_journal_params(sb, sbi->s_journal); in __ext4_remount()
6573 if ((bool)(fc->sb_flags & SB_RDONLY) != sb_rdonly(sb)) { in __ext4_remount()
6574 if (ext4_forced_shutdown(sb)) { in __ext4_remount()
6580 err = sync_filesystem(sb); in __ext4_remount()
6583 err = dquot_suspend(sb, -1); in __ext4_remount()
6591 sb->s_flags |= SB_RDONLY; in __ext4_remount()
6607 ext4_mark_recovery_complete(sb, es); in __ext4_remount()
6611 if (ext4_has_feature_readonly(sb) || in __ext4_remount()
6612 !ext4_feature_set_ok(sb, 0)) { in __ext4_remount()
6622 ext4_get_group_desc(sb, g, NULL); in __ext4_remount()
6624 if (!ext4_group_desc_csum_verify(sb, g, gdp)) { in __ext4_remount()
6625 ext4_msg(sb, KERN_ERR, in __ext4_remount()
6627 g, le16_to_cpu(ext4_group_desc_csum(sb, g, gdp)), in __ext4_remount()
6639 if (es->s_last_orphan || !ext4_orphan_file_empty(sb)) { in __ext4_remount()
6640 ext4_msg(sb, KERN_WARNING, "Couldn't " in __ext4_remount()
6655 err = ext4_clear_journal_err(sb, es); in __ext4_remount()
6662 err = ext4_setup_super(sb, es, 0); in __ext4_remount()
6666 sb->s_flags &= ~SB_RDONLY; in __ext4_remount()
6667 if (ext4_has_feature_mmp(sb)) { in __ext4_remount()
6668 err = ext4_multi_mount_protect(sb, in __ext4_remount()
6684 if (test_opt(sb, BLOCK_VALIDITY) && !sbi->s_system_blks) { in __ext4_remount()
6685 err = ext4_setup_system_zone(sb); in __ext4_remount()
6691 err = ext4_commit_super(sb); in __ext4_remount()
6698 if (sb_any_quota_suspended(sb)) in __ext4_remount()
6699 dquot_resume(sb, -1); in __ext4_remount()
6700 else if (ext4_has_feature_quota(sb)) { in __ext4_remount()
6701 err = ext4_enable_quotas(sb); in __ext4_remount()
6710 if (!test_opt(sb, BLOCK_VALIDITY) && sbi->s_system_blks) in __ext4_remount()
6711 ext4_release_system_zone(sb); in __ext4_remount()
6717 if (sb_rdonly(sb) || !test_opt(sb, INIT_INODE_TABLE)) in __ext4_remount()
6718 ext4_unregister_li_request(sb); in __ext4_remount()
6721 first_not_zeroed = ext4_has_uninit_itable(sb); in __ext4_remount()
6722 ext4_register_li_request(sb, first_not_zeroed); in __ext4_remount()
6725 if (!ext4_has_feature_mmp(sb) || sb_rdonly(sb)) in __ext4_remount()
6733 if (test_opt2(sb, ABORT)) in __ext4_remount()
6734 ext4_abort(sb, ESHUTDOWN, "Abort forced by user"); in __ext4_remount()
6743 if (sb_rdonly(sb) && !(old_sb_flags & SB_RDONLY) && in __ext4_remount()
6744 sb_any_quota_suspended(sb)) in __ext4_remount()
6745 dquot_resume(sb, -1); in __ext4_remount()
6747 alloc_ctx = ext4_writepages_down_write(sb); in __ext4_remount()
6748 sb->s_flags = old_sb_flags; in __ext4_remount()
6756 ext4_writepages_up_write(sb, alloc_ctx); in __ext4_remount()
6758 if (!test_opt(sb, BLOCK_VALIDITY) && sbi->s_system_blks) in __ext4_remount()
6759 ext4_release_system_zone(sb); in __ext4_remount()
6763 to_free[i] = get_qf_name(sb, sbi, i); in __ext4_remount()
6770 if (!ext4_has_feature_mmp(sb) || sb_rdonly(sb)) in __ext4_remount()
6777 struct super_block *sb = fc->root->d_sb; in ext4_reconfigure() local
6780 fc->s_fs_info = EXT4_SB(sb); in ext4_reconfigure()
6782 ret = ext4_check_opt_consistency(fc, sb); in ext4_reconfigure()
6786 ret = __ext4_remount(fc, sb); in ext4_reconfigure()
6790 ext4_msg(sb, KERN_INFO, "re-mounted %pU %s. Quota mode: %s.", in ext4_reconfigure()
6791 &sb->s_uuid, sb_rdonly(sb) ? "ro" : "r/w", in ext4_reconfigure()
6792 ext4_quota_mode(sb)); in ext4_reconfigure()
6798 static int ext4_statfs_project(struct super_block *sb, in ext4_statfs_project() argument
6807 dquot = dqget(sb, qid); in ext4_statfs_project()
6814 limit >>= sb->s_blocksize_bits; in ext4_statfs_project()
6820 dquot->dq_dqb.dqb_rsvspace) >> sb->s_blocksize_bits; in ext4_statfs_project()
6849 struct super_block *sb = dentry->d_sb; in ext4_statfs() local
6850 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_statfs()
6856 if (!test_opt(sb, MINIX_DF)) in ext4_statfs()
6860 buf->f_bsize = sb->s_blocksize; in ext4_statfs()
6877 sb_has_quota_limits_enabled(sb, PRJQUOTA)) in ext4_statfs()
6878 ext4_statfs_project(sb, EXT4_I(dentry->d_inode)->i_projid, buf); in ext4_statfs()
6979 struct super_block *sb = dquot->dq_sb; in ext4_mark_dquot_dirty() local
6981 if (ext4_is_quota_journalled(sb)) { in ext4_mark_dquot_dirty()
6989 static int ext4_write_info(struct super_block *sb, int type) in ext4_write_info() argument
6995 handle = ext4_journal_start_sb(sb, EXT4_HT_QUOTA, 2); in ext4_write_info()
6998 ret = dquot_commit_info(sb, type); in ext4_write_info()
7022 static int ext4_quota_on(struct super_block *sb, int type, int format_id, in ext4_quota_on() argument
7027 if (!test_opt(sb, QUOTA)) in ext4_quota_on()
7031 if (path->dentry->d_sb != sb) in ext4_quota_on()
7039 if (EXT4_SB(sb)->s_qf_names[type]) { in ext4_quota_on()
7041 if (path->dentry->d_parent != sb->s_root) in ext4_quota_on()
7042 ext4_msg(sb, KERN_WARNING, in ext4_quota_on()
7045 sb_dqopt(sb)->flags |= DQUOT_NOLIST_DIRTY; in ext4_quota_on()
7051 sb_dqopt(sb)->flags &= ~DQUOT_NOLIST_DIRTY; in ext4_quota_on()
7055 err = dquot_quota_on(sb, type, format_id, path); in ext4_quota_on()
7077 dquot_quota_off(sb, type); in ext4_quota_on()
7099 static int ext4_quota_enable(struct super_block *sb, int type, int format_id, in ext4_quota_enable() argument
7105 le32_to_cpu(EXT4_SB(sb)->s_es->s_usr_quota_inum), in ext4_quota_enable()
7106 le32_to_cpu(EXT4_SB(sb)->s_es->s_grp_quota_inum), in ext4_quota_enable()
7107 le32_to_cpu(EXT4_SB(sb)->s_es->s_prj_quota_inum) in ext4_quota_enable()
7110 BUG_ON(!ext4_has_feature_quota(sb)); in ext4_quota_enable()
7116 ext4_error(sb, "Bad quota inum: %lu, type: %d", in ext4_quota_enable()
7121 qf_inode = ext4_iget(sb, qf_inums[type], EXT4_IGET_SPECIAL); in ext4_quota_enable()
7123 ext4_error(sb, "Bad quota inode: %lu, type: %d", in ext4_quota_enable()
7140 int ext4_enable_quotas(struct super_block *sb) in ext4_enable_quotas() argument
7144 le32_to_cpu(EXT4_SB(sb)->s_es->s_usr_quota_inum), in ext4_enable_quotas()
7145 le32_to_cpu(EXT4_SB(sb)->s_es->s_grp_quota_inum), in ext4_enable_quotas()
7146 le32_to_cpu(EXT4_SB(sb)->s_es->s_prj_quota_inum) in ext4_enable_quotas()
7149 test_opt(sb, USRQUOTA), in ext4_enable_quotas()
7150 test_opt(sb, GRPQUOTA), in ext4_enable_quotas()
7151 test_opt(sb, PRJQUOTA), in ext4_enable_quotas()
7154 sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE | DQUOT_NOLIST_DIRTY; in ext4_enable_quotas()
7157 err = ext4_quota_enable(sb, type, QFMT_VFS_V1, in ext4_enable_quotas()
7161 ext4_warning(sb, in ext4_enable_quotas()
7167 ext4_quotas_off(sb, type); in ext4_enable_quotas()
7175 static int ext4_quota_off(struct super_block *sb, int type) in ext4_quota_off() argument
7177 struct inode *inode = sb_dqopt(sb)->files[type]; in ext4_quota_off()
7183 if (test_opt(sb, DELALLOC)) in ext4_quota_off()
7184 sync_filesystem(sb); in ext4_quota_off()
7189 err = dquot_quota_off(sb, type); in ext4_quota_off()
7190 if (err || ext4_has_feature_quota(sb)) in ext4_quota_off()
7197 if (sb_rdonly(sb)) in ext4_quota_off()
7223 return dquot_quota_off(sb, type); in ext4_quota_off()
7230 static ssize_t ext4_quota_read(struct super_block *sb, int type, char *data, in ext4_quota_read() argument
7233 struct inode *inode = sb_dqopt(sb)->files[type]; in ext4_quota_read()
7234 ext4_lblk_t blk = off >> EXT4_BLOCK_SIZE_BITS(sb); in ext4_quota_read()
7235 int offset = off & (sb->s_blocksize - 1); in ext4_quota_read()
7247 tocopy = min_t(unsigned long, sb->s_blocksize - offset, toread); in ext4_quota_read()
7266 static ssize_t ext4_quota_write(struct super_block *sb, int type, in ext4_quota_write() argument
7269 struct inode *inode = sb_dqopt(sb)->files[type]; in ext4_quota_write()
7270 ext4_lblk_t blk = off >> EXT4_BLOCK_SIZE_BITS(sb); in ext4_quota_write()
7271 int err = 0, err2 = 0, offset = off & (sb->s_blocksize - 1); in ext4_quota_write()
7277 ext4_msg(sb, KERN_WARNING, "Quota write (off=%llu, len=%llu)" in ext4_quota_write()
7286 if (sb->s_blocksize - offset < len) { in ext4_quota_write()
7287 ext4_msg(sb, KERN_WARNING, "Quota write (off=%llu, len=%llu)" in ext4_quota_write()
7304 err = ext4_journal_get_write_access(handle, sb, bh, EXT4_JTR_NONE); in ext4_quota_write()
7341 static inline int ext2_feature_set_ok(struct super_block *sb) in ext2_feature_set_ok() argument
7343 if (ext4_has_unknown_ext2_incompat_features(sb)) in ext2_feature_set_ok()
7345 if (sb_rdonly(sb)) in ext2_feature_set_ok()
7347 if (ext4_has_unknown_ext2_ro_compat_features(sb)) in ext2_feature_set_ok()
7354 static inline int ext2_feature_set_ok(struct super_block *sb) { return 0; } in ext2_feature_set_ok() argument
7370 static inline int ext3_feature_set_ok(struct super_block *sb) in ext3_feature_set_ok() argument
7372 if (ext4_has_unknown_ext3_incompat_features(sb)) in ext3_feature_set_ok()
7374 if (!ext4_has_feature_journal(sb)) in ext3_feature_set_ok()
7376 if (sb_rdonly(sb)) in ext3_feature_set_ok()
7378 if (ext4_has_unknown_ext3_ro_compat_features(sb)) in ext3_feature_set_ok()
7383 static void ext4_kill_sb(struct super_block *sb) in ext4_kill_sb() argument
7385 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_kill_sb()
7388 kill_block_super(sb); in ext4_kill_sb()