Lines Matching full:sb
79 static int ext4_validate_inode_bitmap(struct super_block *sb, in ext4_validate_inode_bitmap() argument
87 if (EXT4_SB(sb)->s_mount_state & EXT4_FC_REPLAY) in ext4_validate_inode_bitmap()
93 grp = ext4_get_group_info(sb, block_group); in ext4_validate_inode_bitmap()
97 ext4_lock_group(sb, block_group); in ext4_validate_inode_bitmap()
100 blk = ext4_inode_bitmap(sb, desc); in ext4_validate_inode_bitmap()
101 if (!ext4_inode_bitmap_csum_verify(sb, desc, bh) || in ext4_validate_inode_bitmap()
102 ext4_simulate_fail(sb, EXT4_SIM_IBITMAP_CRC)) { in ext4_validate_inode_bitmap()
103 ext4_unlock_group(sb, block_group); in ext4_validate_inode_bitmap()
104 ext4_error(sb, "Corrupt inode bitmap - block_group = %u, " in ext4_validate_inode_bitmap()
106 ext4_mark_group_bitmap_corrupted(sb, block_group, in ext4_validate_inode_bitmap()
112 ext4_unlock_group(sb, block_group); in ext4_validate_inode_bitmap()
123 ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group) in ext4_read_inode_bitmap() argument
126 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_read_inode_bitmap()
131 desc = ext4_get_group_desc(sb, block_group, NULL); in ext4_read_inode_bitmap()
135 bitmap_blk = ext4_inode_bitmap(sb, desc); in ext4_read_inode_bitmap()
138 ext4_error(sb, "Invalid inode bitmap blk %llu in " in ext4_read_inode_bitmap()
140 ext4_mark_group_bitmap_corrupted(sb, block_group, in ext4_read_inode_bitmap()
144 bh = sb_getblk(sb, bitmap_blk); in ext4_read_inode_bitmap()
146 ext4_warning(sb, "Cannot read inode bitmap - " in ext4_read_inode_bitmap()
160 ext4_lock_group(sb, block_group); in ext4_read_inode_bitmap()
161 if (ext4_has_group_desc_csum(sb) && in ext4_read_inode_bitmap()
164 ext4_unlock_group(sb, block_group); in ext4_read_inode_bitmap()
166 ext4_error(sb, "Inode bitmap for bg 0 marked " in ext4_read_inode_bitmap()
171 memset(bh->b_data, 0, (EXT4_INODES_PER_GROUP(sb) + 7) / 8); in ext4_read_inode_bitmap()
172 ext4_mark_bitmap_end(EXT4_INODES_PER_GROUP(sb), in ext4_read_inode_bitmap()
173 sb->s_blocksize * 8, bh->b_data); in ext4_read_inode_bitmap()
177 ext4_unlock_group(sb, block_group); in ext4_read_inode_bitmap()
181 ext4_unlock_group(sb, block_group); in ext4_read_inode_bitmap()
195 trace_ext4_load_inode_bitmap(sb, block_group); in ext4_read_inode_bitmap()
198 ext4_simulate_fail(sb, EXT4_SIM_IBITMAP_EIO)); in ext4_read_inode_bitmap()
201 ext4_error_err(sb, EIO, "Cannot read inode bitmap - " in ext4_read_inode_bitmap()
204 ext4_mark_group_bitmap_corrupted(sb, block_group, in ext4_read_inode_bitmap()
210 err = ext4_validate_inode_bitmap(sb, desc, block_group, bh); in ext4_read_inode_bitmap()
237 struct super_block *sb = inode->i_sb; in ext4_free_inode() local
250 if (!sb) { in ext4_free_inode()
256 ext4_msg(sb, KERN_ERR, "%s:%d: inode #%lu: count=%d", in ext4_free_inode()
262 ext4_msg(sb, KERN_ERR, "%s:%d: inode #%lu: nlink=%d\n", in ext4_free_inode()
266 sbi = EXT4_SB(sb); in ext4_free_inode()
281 if (ino < EXT4_FIRST_INO(sb) || ino > le32_to_cpu(es->s_inodes_count)) { in ext4_free_inode()
282 ext4_error(sb, "reserved or nonexistent inode %lu", ino); in ext4_free_inode()
285 block_group = (ino - 1) / EXT4_INODES_PER_GROUP(sb); in ext4_free_inode()
286 bit = (ino - 1) % EXT4_INODES_PER_GROUP(sb); in ext4_free_inode()
287 bitmap_bh = ext4_read_inode_bitmap(sb, block_group); in ext4_free_inode()
295 grp = ext4_get_group_info(sb, block_group); in ext4_free_inode()
303 fatal = ext4_journal_get_write_access(handle, sb, bitmap_bh, in ext4_free_inode()
309 gdp = ext4_get_group_desc(sb, block_group, &bh2); in ext4_free_inode()
312 fatal = ext4_journal_get_write_access(handle, sb, bh2, in ext4_free_inode()
315 ext4_lock_group(sb, block_group); in ext4_free_inode()
318 ext4_unlock_group(sb, block_group); in ext4_free_inode()
322 count = ext4_free_inodes_count(sb, gdp) + 1; in ext4_free_inode()
323 ext4_free_inodes_set(sb, gdp, count); in ext4_free_inode()
325 count = ext4_used_dirs_count(sb, gdp) - 1; in ext4_free_inode()
326 ext4_used_dirs_set(sb, gdp, count); in ext4_free_inode()
330 ext4_inode_bitmap_csum_set(sb, gdp, bitmap_bh); in ext4_free_inode()
331 ext4_group_desc_csum_set(sb, block_group, gdp); in ext4_free_inode()
332 ext4_unlock_group(sb, block_group); in ext4_free_inode()
354 ext4_error(sb, "bit already cleared for inode %lu", ino); in ext4_free_inode()
355 ext4_mark_group_bitmap_corrupted(sb, block_group, in ext4_free_inode()
361 ext4_std_error(sb, fatal); in ext4_free_inode()
375 static void get_orlov_stats(struct super_block *sb, ext4_group_t g, in get_orlov_stats() argument
381 struct flex_groups *fg = sbi_array_rcu_deref(EXT4_SB(sb), in get_orlov_stats()
389 desc = ext4_get_group_desc(sb, g, NULL); in get_orlov_stats()
391 stats->free_inodes = ext4_free_inodes_count(sb, desc); in get_orlov_stats()
392 stats->free_clusters = ext4_free_group_clusters(sb, desc); in get_orlov_stats()
393 stats->used_dirs = ext4_used_dirs_count(sb, desc); in get_orlov_stats()
422 static int find_group_orlov(struct super_block *sb, struct inode *parent, in find_group_orlov() argument
427 struct ext4_sb_info *sbi = EXT4_SB(sb); in find_group_orlov()
428 ext4_group_t real_ngroups = ext4_get_groups_count(sb); in find_group_orlov()
429 int inodes_per_group = EXT4_INODES_PER_GROUP(sb); in find_group_orlov()
456 ((parent == d_inode(sb->s_root)) || in find_group_orlov()
470 get_orlov_stats(sb, g, flex_size, &stats); in find_group_orlov()
502 desc = ext4_get_group_desc(sb, grp+i, NULL); in find_group_orlov()
503 if (desc && ext4_free_inodes_count(sb, desc)) { in find_group_orlov()
515 min_clusters = avefreec - EXT4_CLUSTERS_PER_GROUP(sb)*flex_size / 4; in find_group_orlov()
531 get_orlov_stats(sb, grp, flex_size, &stats); in find_group_orlov()
548 desc = ext4_get_group_desc(sb, grp, NULL); in find_group_orlov()
550 grp_free = ext4_free_inodes_count(sb, desc); in find_group_orlov()
570 static int find_group_other(struct super_block *sb, struct inode *parent, in find_group_other() argument
574 ext4_group_t i, last, ngroups = ext4_get_groups_count(sb); in find_group_other()
576 int flex_size = ext4_flex_bg_size(EXT4_SB(sb)); in find_group_other()
594 desc = ext4_get_group_desc(sb, i, NULL); in find_group_other()
595 if (desc && ext4_free_inodes_count(sb, desc)) { in find_group_other()
613 return find_group_orlov(sb, parent, group, mode, NULL); in find_group_other()
620 desc = ext4_get_group_desc(sb, *group, NULL); in find_group_other()
621 if (desc && ext4_free_inodes_count(sb, desc) && in find_group_other()
622 ext4_free_group_clusters(sb, desc)) in find_group_other()
644 desc = ext4_get_group_desc(sb, *group, NULL); in find_group_other()
645 if (desc && ext4_free_inodes_count(sb, desc) && in find_group_other()
646 ext4_free_group_clusters(sb, desc)) in find_group_other()
658 desc = ext4_get_group_desc(sb, *group, NULL); in find_group_other()
659 if (desc && ext4_free_inodes_count(sb, desc)) in find_group_other()
675 static int recently_deleted(struct super_block *sb, ext4_group_t group, int ino) in recently_deleted() argument
680 int inodes_per_block = EXT4_SB(sb)->s_inodes_per_block; in recently_deleted()
685 gdp = ext4_get_group_desc(sb, group, NULL); in recently_deleted()
689 bh = sb_find_get_block(sb, ext4_inode_table(sb, gdp) + in recently_deleted()
698 offset = (ino % inodes_per_block) * EXT4_INODE_SIZE(sb); in recently_deleted()
718 static int find_inode_bit(struct super_block *sb, ext4_group_t group, in find_inode_bit() argument
721 bool check_recently_deleted = EXT4_SB(sb)->s_journal == NULL; in find_inode_bit()
722 unsigned long recently_deleted_ino = EXT4_INODES_PER_GROUP(sb); in find_inode_bit()
727 EXT4_INODES_PER_GROUP(sb), *ino); in find_inode_bit()
728 if (*ino >= EXT4_INODES_PER_GROUP(sb)) in find_inode_bit()
731 if (check_recently_deleted && recently_deleted(sb, group, *ino)) { in find_inode_bit()
734 if (*ino < EXT4_INODES_PER_GROUP(sb)) in find_inode_bit()
740 if (recently_deleted_ino >= EXT4_INODES_PER_GROUP(sb)) in find_inode_bit()
752 int ext4_mark_inode_used(struct super_block *sb, int ino) in ext4_mark_inode_used() argument
754 unsigned long max_ino = le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count); in ext4_mark_inode_used()
761 if (ino < EXT4_FIRST_INO(sb) || ino > max_ino) in ext4_mark_inode_used()
764 group = (ino - 1) / EXT4_INODES_PER_GROUP(sb); in ext4_mark_inode_used()
765 bit = (ino - 1) % EXT4_INODES_PER_GROUP(sb); in ext4_mark_inode_used()
766 inode_bitmap_bh = ext4_read_inode_bitmap(sb, group); in ext4_mark_inode_used()
775 gdp = ext4_get_group_desc(sb, group, &group_desc_bh); in ext4_mark_inode_used()
786 ext4_std_error(sb, err); in ext4_mark_inode_used()
791 ext4_std_error(sb, err); in ext4_mark_inode_used()
796 if (ext4_has_group_desc_csum(sb) && in ext4_mark_inode_used()
800 block_bitmap_bh = ext4_read_block_bitmap(sb, group); in ext4_mark_inode_used()
811 ext4_lock_group(sb, group); in ext4_mark_inode_used()
812 if (ext4_has_group_desc_csum(sb) && in ext4_mark_inode_used()
815 ext4_free_group_clusters_set(sb, gdp, in ext4_mark_inode_used()
816 ext4_free_clusters_after_init(sb, group, gdp)); in ext4_mark_inode_used()
817 ext4_block_bitmap_csum_set(sb, gdp, block_bitmap_bh); in ext4_mark_inode_used()
818 ext4_group_desc_csum_set(sb, group, gdp); in ext4_mark_inode_used()
820 ext4_unlock_group(sb, group); in ext4_mark_inode_used()
824 ext4_std_error(sb, err); in ext4_mark_inode_used()
830 if (ext4_has_group_desc_csum(sb)) { in ext4_mark_inode_used()
833 ext4_lock_group(sb, group); /* while we modify the bg desc */ in ext4_mark_inode_used()
834 free = EXT4_INODES_PER_GROUP(sb) - in ext4_mark_inode_used()
835 ext4_itable_unused_count(sb, gdp); in ext4_mark_inode_used()
847 ext4_itable_unused_set(sb, gdp, in ext4_mark_inode_used()
848 (EXT4_INODES_PER_GROUP(sb) - bit - 1)); in ext4_mark_inode_used()
850 ext4_lock_group(sb, group); in ext4_mark_inode_used()
853 ext4_free_inodes_set(sb, gdp, ext4_free_inodes_count(sb, gdp) - 1); in ext4_mark_inode_used()
854 if (ext4_has_group_desc_csum(sb)) { in ext4_mark_inode_used()
855 ext4_inode_bitmap_csum_set(sb, gdp, inode_bitmap_bh); in ext4_mark_inode_used()
856 ext4_group_desc_csum_set(sb, group, gdp); in ext4_mark_inode_used()
859 ext4_unlock_group(sb, group); in ext4_mark_inode_used()
870 struct super_block *sb = dir->i_sb; in ext4_xattr_credits_for_new_inode() local
881 __ext4_xattr_set_credits(sb, NULL /* inode */, in ext4_xattr_credits_for_new_inode()
900 __ext4_xattr_set_credits(sb, NULL /* inode */, in ext4_xattr_credits_for_new_inode()
906 nblocks += __ext4_xattr_set_credits(sb, in ext4_xattr_credits_for_new_inode()
931 struct super_block *sb; in __ext4_new_inode() local
951 sb = dir->i_sb; in __ext4_new_inode()
952 sbi = EXT4_SB(sb); in __ext4_new_inode()
954 if (unlikely(ext4_forced_shutdown(sb))) in __ext4_new_inode()
957 ngroups = ext4_get_groups_count(sb); in __ext4_new_inode()
959 inode = new_inode(sb); in __ext4_new_inode()
973 } else if (test_opt(sb, GRPID)) { in __ext4_new_inode()
980 if (ext4_has_feature_project(sb) && in __ext4_new_inode()
1009 group = (goal - 1) / EXT4_INODES_PER_GROUP(sb); in __ext4_new_inode()
1010 ino = (goal - 1) % EXT4_INODES_PER_GROUP(sb); in __ext4_new_inode()
1016 ret2 = find_group_orlov(sb, dir, &group, mode, qstr); in __ext4_new_inode()
1018 ret2 = find_group_other(sb, dir, &group, mode); in __ext4_new_inode()
1034 gdp = ext4_get_group_desc(sb, group, &group_desc_bh); in __ext4_new_inode()
1041 if (ext4_free_inodes_count(sb, gdp) == 0) in __ext4_new_inode()
1045 grp = ext4_get_group_info(sb, group); in __ext4_new_inode()
1055 inode_bitmap_bh = ext4_read_inode_bitmap(sb, group); in __ext4_new_inode()
1065 ret2 = find_inode_bit(sb, group, inode_bitmap_bh, &ino); in __ext4_new_inode()
1069 if (group == 0 && (ino + 1) < EXT4_FIRST_INO(sb)) { in __ext4_new_inode()
1070 ext4_error(sb, "reserved inode found cleared - " in __ext4_new_inode()
1072 ext4_mark_group_bitmap_corrupted(sb, group, in __ext4_new_inode()
1081 ext4_trans_default_revoke_credits(sb)); in __ext4_new_inode()
1084 ext4_std_error(sb, err); in __ext4_new_inode()
1089 err = ext4_journal_get_write_access(handle, sb, inode_bitmap_bh, in __ext4_new_inode()
1092 ext4_std_error(sb, err); in __ext4_new_inode()
1095 ext4_lock_group(sb, group); in __ext4_new_inode()
1101 ret2 = find_inode_bit(sb, group, inode_bitmap_bh, &ino); in __ext4_new_inode()
1109 ext4_unlock_group(sb, group); in __ext4_new_inode()
1125 ext4_std_error(sb, err); in __ext4_new_inode()
1130 err = ext4_journal_get_write_access(handle, sb, group_desc_bh, in __ext4_new_inode()
1133 ext4_std_error(sb, err); in __ext4_new_inode()
1138 if (ext4_has_group_desc_csum(sb) && in __ext4_new_inode()
1142 block_bitmap_bh = ext4_read_block_bitmap(sb, group); in __ext4_new_inode()
1148 err = ext4_journal_get_write_access(handle, sb, block_bitmap_bh, in __ext4_new_inode()
1152 ext4_std_error(sb, err); in __ext4_new_inode()
1160 ext4_lock_group(sb, group); in __ext4_new_inode()
1161 if (ext4_has_group_desc_csum(sb) && in __ext4_new_inode()
1164 ext4_free_group_clusters_set(sb, gdp, in __ext4_new_inode()
1165 ext4_free_clusters_after_init(sb, group, gdp)); in __ext4_new_inode()
1166 ext4_block_bitmap_csum_set(sb, gdp, block_bitmap_bh); in __ext4_new_inode()
1167 ext4_group_desc_csum_set(sb, group, gdp); in __ext4_new_inode()
1169 ext4_unlock_group(sb, group); in __ext4_new_inode()
1173 ext4_std_error(sb, err); in __ext4_new_inode()
1179 if (ext4_has_group_desc_csum(sb)) { in __ext4_new_inode()
1184 grp = ext4_get_group_info(sb, group); in __ext4_new_inode()
1194 ext4_lock_group(sb, group); /* while we modify the bg desc */ in __ext4_new_inode()
1195 free = EXT4_INODES_PER_GROUP(sb) - in __ext4_new_inode()
1196 ext4_itable_unused_count(sb, gdp); in __ext4_new_inode()
1207 ext4_itable_unused_set(sb, gdp, in __ext4_new_inode()
1208 (EXT4_INODES_PER_GROUP(sb) - ino)); in __ext4_new_inode()
1212 ext4_lock_group(sb, group); in __ext4_new_inode()
1215 ext4_free_inodes_set(sb, gdp, ext4_free_inodes_count(sb, gdp) - 1); in __ext4_new_inode()
1217 ext4_used_dirs_set(sb, gdp, ext4_used_dirs_count(sb, gdp) + 1); in __ext4_new_inode()
1225 if (ext4_has_group_desc_csum(sb)) { in __ext4_new_inode()
1226 ext4_inode_bitmap_csum_set(sb, gdp, inode_bitmap_bh); in __ext4_new_inode()
1227 ext4_group_desc_csum_set(sb, group, gdp); in __ext4_new_inode()
1229 ext4_unlock_group(sb, group); in __ext4_new_inode()
1234 ext4_std_error(sb, err); in __ext4_new_inode()
1248 inode->i_ino = ino + group * EXT4_INODES_PER_GROUP(sb); in __ext4_new_inode()
1276 ext4_error(sb, "failed to insert inode %lu: doubly allocated?", in __ext4_new_inode()
1278 ext4_mark_group_bitmap_corrupted(sb, group, in __ext4_new_inode()
1285 if (ext4_has_metadata_csum(sb)) { in __ext4_new_inode()
1300 if (ext4_has_feature_inline_data(sb) && in __ext4_new_inode()
1329 if (ext4_has_feature_extents(sb)) { in __ext4_new_inode()
1341 ext4_std_error(sb, err); in __ext4_new_inode()
1364 struct inode *ext4_orphan_get(struct super_block *sb, unsigned long ino) in ext4_orphan_get() argument
1366 unsigned long max_ino = le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count); in ext4_orphan_get()
1373 if (ino < EXT4_FIRST_INO(sb) || ino > max_ino) in ext4_orphan_get()
1376 block_group = (ino - 1) / EXT4_INODES_PER_GROUP(sb); in ext4_orphan_get()
1377 bit = (ino - 1) % EXT4_INODES_PER_GROUP(sb); in ext4_orphan_get()
1378 bitmap_bh = ext4_read_inode_bitmap(sb, block_group); in ext4_orphan_get()
1389 inode = ext4_iget(sb, ino, EXT4_IGET_NORMAL); in ext4_orphan_get()
1392 ext4_error_err(sb, -err, in ext4_orphan_get()
1415 ext4_error(sb, "bad orphan inode %lu", ino); in ext4_orphan_get()
1436 unsigned long ext4_count_free_inodes(struct super_block *sb) in ext4_count_free_inodes() argument
1440 ext4_group_t i, ngroups = ext4_get_groups_count(sb); in ext4_count_free_inodes()
1446 es = EXT4_SB(sb)->s_es; in ext4_count_free_inodes()
1451 gdp = ext4_get_group_desc(sb, i, NULL); in ext4_count_free_inodes()
1454 desc_count += ext4_free_inodes_count(sb, gdp); in ext4_count_free_inodes()
1456 bitmap_bh = ext4_read_inode_bitmap(sb, i); in ext4_count_free_inodes()
1463 EXT4_INODES_PER_GROUP(sb) / 8); in ext4_count_free_inodes()
1465 (unsigned long) i, ext4_free_inodes_count(sb, gdp), x); in ext4_count_free_inodes()
1476 gdp = ext4_get_group_desc(sb, i, NULL); in ext4_count_free_inodes()
1479 desc_count += ext4_free_inodes_count(sb, gdp); in ext4_count_free_inodes()
1487 unsigned long ext4_count_dirs(struct super_block * sb) in ext4_count_dirs() argument
1490 ext4_group_t i, ngroups = ext4_get_groups_count(sb); in ext4_count_dirs()
1493 struct ext4_group_desc *gdp = ext4_get_group_desc(sb, i, NULL); in ext4_count_dirs()
1496 count += ext4_used_dirs_count(sb, gdp); in ext4_count_dirs()
1509 int ext4_init_inode_table(struct super_block *sb, ext4_group_t group, in ext4_init_inode_table() argument
1512 struct ext4_group_info *grp = ext4_get_group_info(sb, group); in ext4_init_inode_table()
1513 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_init_inode_table()
1521 gdp = ext4_get_group_desc(sb, group, &group_desc_bh); in ext4_init_inode_table()
1532 handle = ext4_journal_start_sb(sb, EXT4_HT_MISC, 1); in ext4_init_inode_table()
1545 used_inos = EXT4_INODES_PER_GROUP(sb) - in ext4_init_inode_table()
1546 ext4_itable_unused_count(sb, gdp); in ext4_init_inode_table()
1551 ext4_error(sb, "Something is wrong with group %u: " in ext4_init_inode_table()
1555 ext4_itable_unused_count(sb, gdp)); in ext4_init_inode_table()
1560 used_inos += group * EXT4_INODES_PER_GROUP(sb); in ext4_init_inode_table()
1566 (used_inos < EXT4_FIRST_INO(sb))) { in ext4_init_inode_table()
1567 ext4_error(sb, "Something is wrong with group %u: " in ext4_init_inode_table()
1570 group, ext4_itable_unused_count(sb, gdp), in ext4_init_inode_table()
1577 blk = ext4_inode_table(sb, gdp) + used_blks; in ext4_init_inode_table()
1581 ret = ext4_journal_get_write_access(handle, sb, group_desc_bh, in ext4_init_inode_table()
1596 ret = sb_issue_zeroout(sb, blk, num, GFP_NOFS); in ext4_init_inode_table()
1600 blkdev_issue_flush(sb->s_bdev); in ext4_init_inode_table()
1603 ext4_lock_group(sb, group); in ext4_init_inode_table()
1605 ext4_group_desc_csum_set(sb, group, gdp); in ext4_init_inode_table()
1606 ext4_unlock_group(sb, group); in ext4_init_inode_table()