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authorChristoph Hellwig <hch@lst.de>2016-04-07 18:52:01 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2016-05-02 02:58:39 +0300
commite259221763a40403d5bb232209998e8c45804ab8 (patch)
tree6f940ba17f38b693e495ad5267b1988dd66c9c0f /fs/cifs
parentdde0c2e79848298cc25621ad080d47f94dbd7cce (diff)
downloadlinux-e259221763a40403d5bb232209998e8c45804ab8.tar.xz
fs: simplify the generic_write_sync prototype
The kiocb already has the new position, so use that. The only interesting case is AIO, where we currently don't bother updating ki_pos. We're about to free the kiocb after we're done, so we might as well update it to make everyone's life simpler. While we're at it also return the bytes written argument passed in if we were successful so that the boilerplate error switch code in the callers can go away. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/cifs')
-rw-r--r--fs/cifs/file.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index b22b68ccfbe5..9b51d4936a29 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2687,11 +2687,8 @@ cifs_writev(struct kiocb *iocb, struct iov_iter *from)
out:
inode_unlock(inode);
- if (rc > 0) {
- ssize_t err = generic_write_sync(iocb, iocb->ki_pos - rc, rc);
- if (err < 0)
- rc = err;
- }
+ if (rc > 0)
+ rc = generic_write_sync(iocb, rc);
up_read(&cinode->lock_sem);
return rc;
}