From: Andreas Gruenbacher <agruen@kernel.org>
To: Al Viro <viro@zeniv.linux.org.uk>, linux-kernel@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH] vfs: Improve the bio_add_page() and bio_add_pc_page() descriptions
Date: Fri, 27 May 2011 14:52:09 +0200 [thread overview]
Message-ID: <201105271452.09505.agruen@kernel.org> (raw)
The descriptions of bio_add_page() and bio_add_pc_page() are slightly
inconsistent; improve them.
Signed-off-by: Andreas Gruenbacher <agruen@kernel.org>
---
fs/bio.c | 16 ++++++++--------
1 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/fs/bio.c b/fs/bio.c
index 840a0d7..9bfade8 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)
--
1.7.1
reply other threads:[~2011-05-27 12:59 UTC|newest]
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