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| author | Andreas Gruenbacher <agruen@kernel.org> | 2011-05-28 14:44:46 +0200 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2011-05-28 14:44:46 +0200 |
| commit | 6df87e65dbe4528ef07b917af89913abb8caaaba (patch) | |
| tree | f15080a951aa5e141ba4dd13b187f56707add78c /fs | |
| parent | 29a6ccca3869bbe33879dae0cd7df2a1559eff54 (diff) | |
| download | linux-stable-6df87e65dbe4528ef07b917af89913abb8caaaba.tar.gz linux-stable-6df87e65dbe4528ef07b917af89913abb8caaaba.tar.bz2 linux-stable-6df87e65dbe4528ef07b917af89913abb8caaaba.zip | |
block: 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>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'fs')
| -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 * @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) |