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authorAndreas Gruenbacher <agruen@kernel.org>2011-05-28 14:44:46 +0200
committerJens Axboe <jaxboe@fusionio.com>2011-05-28 14:44:46 +0200
commit6df87e65dbe4528ef07b917af89913abb8caaaba (patch)
treef15080a951aa5e141ba4dd13b187f56707add78c /fs
parentMerge git://git.infradead.org/mtd-2.6 (diff)
downloadlinux-6df87e65dbe4528ef07b917af89913abb8caaaba.tar.xz
linux-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.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/fs/bio.c b/fs/bio.c
index 840a0d755248..9bfade8a609b 100644
--- a/fs/bio.c
+++ b/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)