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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-12-12 17:08:33 +0100 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-12-12 17:08:33 +0100 |
| commit | a5576cfa5cd8d8aa874bd4ee500dc8a2e7cbad18 (patch) | |
| tree | daf29a5b4ad3c0594f6d99b9ed23537e90a2dc9d /fs/nfs/direct.c | |
| parent | SUNRPC xprtrdma: fix XDR tail buf marshalling for all ops (diff) | |
| download | linux-a5576cfa5cd8d8aa874bd4ee500dc8a2e7cbad18.tar.xz linux-a5576cfa5cd8d8aa874bd4ee500dc8a2e7cbad18.zip | |
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.c | 2 |
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) |