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>
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55b23bde19
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c642808454
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fs/bio.c
16
fs/bio.c
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@ -638,10 +638,11 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page
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* @offset: vec entry offset
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*
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* Attempt to add a page to the bio_vec maplist. This can fail for a
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* number of reasons, such as the bio being full or target block
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* device limitations. The target block device must allow bio's
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* smaller than PAGE_SIZE, so it is always possible to add a single
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* page to an empty bio. This should only be used by REQ_PC bios.
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* number of reasons, such as the bio being full or target block device
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* limitations. The target block device must allow bio's up to PAGE_SIZE,
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* so it is always possible to add a single page to an empty bio.
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*
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* This should only be used by REQ_PC bios.
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*/
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int bio_add_pc_page(struct request_queue *q, struct bio *bio, struct page *page,
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unsigned int len, unsigned int offset)
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@ -659,10 +660,9 @@ EXPORT_SYMBOL(bio_add_pc_page);
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* @offset: vec entry offset
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*
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* Attempt to add a page to the bio_vec maplist. This can fail for a
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* number of reasons, such as the bio being full or target block
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* device limitations. The target block device must allow bio's
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* smaller than PAGE_SIZE, so it is always possible to add a single
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* page to an empty bio.
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* number of reasons, such as the bio being full or target block device
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* limitations. The target block device must allow bio's up to PAGE_SIZE,
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* so it is always possible to add a single page to an empty bio.
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*/
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int bio_add_page(struct bio *bio, struct page *page, unsigned int len,
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unsigned int offset)
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