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authorTrond Myklebust <trond.myklebust@primarydata.com>2014-07-29 21:34:16 -0400
committerJ. Bruce Fields <bfields@redhat.com>2014-07-31 14:20:10 -0400
commit858cc57336dd98ca54dff417b55a86aa101f5fb0 (patch)
tree6b98d0520a00279c3c1f3c45b7a5c4296d6e2a64 /fs/nfsd
parent3d0fabd5a48fbf6e7097c17325295ae778137fe3 (diff)
downloadop-kernel-dev-858cc57336dd98ca54dff417b55a86aa101f5fb0.zip
op-kernel-dev-858cc57336dd98ca54dff417b55a86aa101f5fb0.tar.gz
nfsd: nfsd4_locku() must reference the lock stateid
Ensure that nfsd4_locku() keeps a reference to the lock stateid until it is done working with it. Necessary step toward client_mutex removal. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4state.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 1ddf4da..4f19145 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -5147,10 +5147,12 @@ nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
&stp, nn);
if (status)
goto out;
+ /* FIXME: move into nfs4_preprocess_seqid_op */
+ atomic_inc(&stp->st_stid.sc_count);
filp = find_any_file(stp->st_stid.sc_file);
if (!filp) {
status = nfserr_lock_range;
- goto out;
+ goto put_stateid;
}
file_lock = locks_alloc_lock();
if (!file_lock) {
@@ -5180,6 +5182,8 @@ nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
memcpy(&locku->lu_stateid, &stp->st_stid.sc_stateid, sizeof(stateid_t));
fput:
fput(filp);
+put_stateid:
+ nfs4_put_stid(&stp->st_stid);
out:
nfsd4_bump_seqid(cstate, status);
if (!cstate->replay_owner)
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