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Searched refs:prealloc_buf (Results 1 – 7 of 7) sorted by relevance

/linux-6.14.4/drivers/comedi/
Dcomedi_buf.c59 if (async->prealloc_buf) { in __comedi_buf_free()
61 vunmap(async->prealloc_buf); in __comedi_buf_free()
62 async->prealloc_buf = NULL; in __comedi_buf_free()
170 async->prealloc_buf = buf->virt_addr; in __comedi_buf_alloc()
182 async->prealloc_buf = vmap(pages, n_pages, VM_MAP, in __comedi_buf_alloc()
267 if (async->prealloc_buf && async->prealloc_bufsz == new_size) in comedi_buf_alloc()
279 if (!async->prealloc_buf) { in comedi_buf_alloc()
387 async->prealloc_buf + async->munge_ptr, in comedi_buf_munge()
571 memcpy(async->prealloc_buf + write_ptr, data, block_size); in comedi_buf_memcpy_to()
590 src = async->prealloc_buf + read_ptr; in comedi_buf_memcpy_from()
Dcomedi_fops.c2561 m = copy_from_user(async->prealloc_buf + wp, buf, n1); in comedi_write()
2565 m = copy_from_user(async->prealloc_buf, buf + n1, n2); in comedi_write()
2695 m = copy_to_user(buf, async->prealloc_buf + rp, n1); in comedi_read()
2699 m = copy_to_user(buf + n1, async->prealloc_buf, n2); in comedi_read()
/linux-6.14.4/fs/kernfs/
Dfile.c228 buf = of->prealloc_buf; in kernfs_file_read_iter()
269 if (buf == of->prealloc_buf) in kernfs_file_read_iter()
307 buf = of->prealloc_buf; in kernfs_fop_write_iter()
345 if (buf == of->prealloc_buf) in kernfs_fop_write_iter()
673 of->prealloc_buf = kmalloc(len + 1, GFP_KERNEL); in kernfs_fop_open()
675 if (!of->prealloc_buf) in kernfs_fop_open()
720 kfree(of->prealloc_buf); in kernfs_fop_open()
767 kfree(of->prealloc_buf); in kernfs_fop_release()
/linux-6.14.4/include/linux/comedi/
Dcomedidev.h347 void *prealloc_buf; member
/linux-6.14.4/include/linux/
Dkernfs.h263 char *prealloc_buf; member
/linux-6.14.4/fs/sysfs/
Dfile.c115 if (WARN_ON_ONCE(buf != of->prealloc_buf)) in sysfs_kf_read()
/linux-6.14.4/drivers/comedi/drivers/
Dni_pcidio.c750 memset(s->async->prealloc_buf, 0xaa, s->async->prealloc_bufsz); in ni_pcidio_change()