vfs: Improve the bio_add_page() and bio_add_pc_page() descriptions
The descriptions of bio_add_page() and bio_add_pc_page() are slightly inconsistent; improve them. Signed-off-by: Andreas Gruenbacher <agruen@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Родитель
55b23bde19
Коммит
c642808454
16
fs/bio.c
16
fs/bio.c
|
@ -638,10 +638,11 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page
|
|||
* @offset: vec entry offset
|
||||
*
|
||||
* Attempt to add a page to the bio_vec maplist. This can fail for a
|
||||
* number of reasons, such as the bio being full or target block
|
||||
* device limitations. The target block device must allow bio's
|
||||
* smaller than PAGE_SIZE, so it is always possible to add a single
|
||||
* page to an empty bio. This should only be used by REQ_PC bios.
|
||||
* number of reasons, such as the bio being full or target block device
|
||||
* limitations. The target block device must allow bio's up to PAGE_SIZE,
|
||||
* so it is always possible to add a single page to an empty bio.
|
||||
*
|
||||
* This should only be used by REQ_PC bios.
|
||||
*/
|
||||
int bio_add_pc_page(struct request_queue *q, struct bio *bio, struct page *page,
|
||||
unsigned int len, unsigned int offset)
|
||||
|
@ -659,10 +660,9 @@ EXPORT_SYMBOL(bio_add_pc_page);
|
|||
* @offset: vec entry offset
|
||||
*
|
||||
* Attempt to add a page to the bio_vec maplist. This can fail for a
|
||||
* number of reasons, such as the bio being full or target block
|
||||
* device limitations. The target block device must allow bio's
|
||||
* smaller than PAGE_SIZE, so it is always possible to add a single
|
||||
* page to an empty bio.
|
||||
* number of reasons, such as the bio being full or target block device
|
||||
* limitations. The target block device must allow bio's up to PAGE_SIZE,
|
||||
* so it is always possible to add a single page to an empty bio.
|
||||
*/
|
||||
int bio_add_page(struct bio *bio, struct page *page, unsigned int len,
|
||||
unsigned int offset)
|
||||
|
|
Загрузка…
Ссылка в новой задаче