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authorTrond Myklebust <trondmy@gmail.com>2020-01-06 15:25:04 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-02-14 16:32:21 -0500
commite69fb85b026bd7e71d7ac5c51dfa8cd82a1107b9 (patch)
tree96fb5320393b9a567c68daebc6fa87e2231ddc12 /fs/nfs/nfs4xdr.c
parent15466c4d2910c8e385d74cf0fb37b747750124bb (diff)
NFS/pnfs: Fix pnfs_generic_prepare_to_resend_writes()
commit 221203ce6406273cf00e5c6397257d986c003ee6 upstream. Instead of making assumptions about the commit verifier contents, change the commit code to ensure we always check that the verifier was set by the XDR code. Fixes: f54bcf2ecee9 ("pnfs: Prepare for flexfiles by pulling out common code") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/nfs/nfs4xdr.c')
-rw-r--r--fs/nfs/nfs4xdr.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 525684b0056f..0b2d051990e9 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -4409,11 +4409,14 @@ static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifi
static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res)
{
+ struct nfs_writeverf *verf = res->verf;
int status;
status = decode_op_hdr(xdr, OP_COMMIT);
if (!status)
- status = decode_write_verifier(xdr, &res->verf->verifier);
+ status = decode_write_verifier(xdr, &verf->verifier);
+ if (!status)
+ verf->committed = NFS_FILE_SYNC;
return status;
}