diff options
| author | Andreas Gruenbacher <agruen@kernel.org> | 2011-05-27 08:52:09 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-05-27 09:43:00 -0400 |
| commit | c642808454ac81d6a6701da6022e93bbe47bb38b (patch) | |
| tree | 0367c04b6fb5f43cb117d4bac1d2bf39db08495f | |
| parent | 55b23bde19c08f14127a27d461a4e079942c7258 (diff) | |
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>
| -rw-r--r-- | fs/bio.c | 16 |
1 files changed, 8 insertions, 8 deletions
| @@ -638,10 +638,11 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page | |||
| 638 | * @offset: vec entry offset | 638 | * @offset: vec entry offset |
| 639 | * | 639 | * |
| 640 | * Attempt to add a page to the bio_vec maplist. This can fail for a | 640 | * Attempt to add a page to the bio_vec maplist. This can fail for a |
| 641 | * number of reasons, such as the bio being full or target block | 641 | * number of reasons, such as the bio being full or target block device |
| 642 | * device limitations. The target block device must allow bio's | 642 | * limitations. The target block device must allow bio's up to PAGE_SIZE, |
| 643 | * smaller than PAGE_SIZE, so it is always possible to add a single | 643 | * so it is always possible to add a single page to an empty bio. |
| 644 | * page to an empty bio. This should only be used by REQ_PC bios. | 644 | * |
| 645 | * This should only be used by REQ_PC bios. | ||
| 645 | */ | 646 | */ |
| 646 | int bio_add_pc_page(struct request_queue *q, struct bio *bio, struct page *page, | 647 | int bio_add_pc_page(struct request_queue *q, struct bio *bio, struct page *page, |
| 647 | unsigned int len, unsigned int offset) | 648 | unsigned int len, unsigned int offset) |
| @@ -659,10 +660,9 @@ EXPORT_SYMBOL(bio_add_pc_page); | |||
| 659 | * @offset: vec entry offset | 660 | * @offset: vec entry offset |
| 660 | * | 661 | * |
| 661 | * Attempt to add a page to the bio_vec maplist. This can fail for a | 662 | * Attempt to add a page to the bio_vec maplist. This can fail for a |
| 662 | * number of reasons, such as the bio being full or target block | 663 | * number of reasons, such as the bio being full or target block device |
| 663 | * device limitations. The target block device must allow bio's | 664 | * limitations. The target block device must allow bio's up to PAGE_SIZE, |
| 664 | * smaller than PAGE_SIZE, so it is always possible to add a single | 665 | * so it is always possible to add a single page to an empty bio. |
| 665 | * page to an empty bio. | ||
| 666 | */ | 666 | */ |
| 667 | int bio_add_page(struct bio *bio, struct page *page, unsigned int len, | 667 | int bio_add_page(struct bio *bio, struct page *page, unsigned int len, |
| 668 | unsigned int offset) | 668 | unsigned int offset) |
