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* [PATCH V2] fs/9p: Use updated offset for writing
@ 2011-03-16 16:10 M. Mohan Kumar
  2011-03-20 13:56 ` Aneesh Kumar K. V
  0 siblings, 1 reply; 3+ messages in thread
From: M. Mohan Kumar @ 2011-03-16 16:10 UTC (permalink / raw)
  To: v9fs-developer, aneesh.kumar; +Cc: linux-fsdevel, linux-kernel

Use the updated offset given by generic_write_checks. Without this fix,
even if a file is opened in O_APPEND mode, data will be written at current
file position instead of end of file.

Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
---
 fs/9p/vfs_file.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 6997eb6..ffed558 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -508,9 +508,12 @@ v9fs_file_write(struct file *filp, const char __user * data,
 	if (!count)
 		goto out;
 
-	return v9fs_file_write_internal(filp->f_path.dentry->d_inode,
+	retval = v9fs_file_write_internal(filp->f_path.dentry->d_inode,
 					filp->private_data,
-					data, count, offset, 1);
+					data, count, &origin, 1);
+	/* update offset on successful write */
+	if (retval > 0)
+		*offset = origin;
 out:
 	return retval;
 }
-- 
1.7.3.4


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2011-03-20 17:59 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2011-03-16 16:10 [PATCH V2] fs/9p: Use updated offset for writing M. Mohan Kumar
2011-03-20 13:56 ` Aneesh Kumar K. V
2011-03-20 17:59   ` [V9fs-developer] " Eric Van Hensbergen

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