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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-12-12 19:08:33 +0300
committerTrond Myklebust <Trond.Myklebust@netapp.com>2007-12-12 19:08:33 +0300
commita5576cfa5cd8d8aa874bd4ee500dc8a2e7cbad18 (patch)
treedaf29a5b4ad3c0594f6d99b9ed23537e90a2dc9d /fs/nfs/direct.c
parent50e1092b3a119bb4660bb6bd2e1749dc2d8ac62e (diff)
downloadlinux-a5576cfa5cd8d8aa874bd4ee500dc8a2e7cbad18.tar.xz
Revert "NFS: Ensure we return zero if applications attempt to write zero bytes"
This reverts commit b9148c6b80d802dbc2a7530b29915a80432e50c7. On Wed, 12 Dec 2007 10:57:30 -0500, Chuck Lever wrote > commit b9148c6b should be reverted. It was recently forward-ported > from some years-old patches, and is clearly not needed now. > > On Dec 11, 2007, at 5:21 PM, Adrian Bunk wrote: > >> This code became dead after commit >> b9148c6b80d802dbc2a7530b29915a80432e50c7 >> (which BTW doesn't seem to have changed any behaviour) and can >> therefore >> be removed. >> >> Spotted by the Coverity checker. >> >> Signed-off-by: Adrian Bunk <bunk@kernel.org> >> >> --- >> --- linux-2.6/fs/nfs/direct.c.old 2007-12-02 21:54:53.000000000 +0100 >> +++ linux-2.6/fs/nfs/direct.c 2007-12-02 21:55:10.000000000 +0100 >> @@ -897,15 +897,12 @@ ssize_t nfs_file_direct_write(struct kio >> if (!count) >> goto out; /* return 0 */ >> >> retval = -EINVAL; >> if ((ssize_t) count < 0) >> goto out; >> - retval = 0; >> - if (!count) >> - goto out; >> >> retval = nfs_sync_mapping(mapping); >> if (retval) >> goto out; >> >> retval = nfs_direct_write(iocb, iov, nr_segs, pos, count); >> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/direct.c')
-rw-r--r--fs/nfs/direct.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 5e8d82f6666b..3c9d16b4f80c 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -894,8 +894,6 @@ ssize_t nfs_file_direct_write(struct kiocb *iocb, const struct iovec *iov,
retval = generic_write_checks(file, &pos, &count, 0);
if (retval)
goto out;
- if (!count)
- goto out; /* return 0 */
retval = -EINVAL;
if ((ssize_t) count < 0)