On Tue, Oct 29, 2013 at 08:50:56AM -0400, Anna Schumaker wrote:
> On Mon 28 Oct 2013 05:40:30 PM EDT, J. Bruce Fields wrote:
> > On Mon, Oct 28, 2013 at 10:57:25AM -0400, Anna Schumaker wrote:
> >> diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
> >> index 419572f..3210c6f 100644
> >> --- a/fs/nfsd/nfs4proc.c
> >> +++ b/fs/nfsd/nfs4proc.c
> >> @@ -1028,6 +1028,42 @@ nfsd4_write(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
> >> return status;
> >> }
> >>
> >> +static __be32
> >> +nfsd4_write_plus_hole(struct file *file, struct nfsd4_write_plus *writeplus,
> >> + struct net *net)
> >> +{
> >> + __be32 status;
> >> +
> >> + status = nfsd4_vfs_fallocate(file, writeplus->wp_allocated,
> >> + writeplus->wp_offset, writeplus->wp_length);
> >> + if (status == nfs_ok) {
> >> + writeplus->wp_res.wr_stid = NULL;
> >> + writeplus->wp_res.wr_bytes_written = writeplus->wp_length;
> >> + writeplus->wp_res.wr_stable_how = NFS_FILE_SYNC;
> >
> > Do we need to sync?
>
> I did the sync in nfsd4_vfs_fallocate (below), but I can move it if
> that would make more sense.
What I meant was--why are we doing a sync at all, instead of returning
NFS_UNSTABLE and making the client commit?
Honest question, I haven't thought about which is best.
--b.
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