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authorLinus Torvalds <torvalds@linux-foundation.org>2013-09-10 20:04:59 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-10 20:04:59 -0700
commitcf596766fc53bbfa0e2b21e3569932aa54f5f9ca (patch)
tree6e88bae48c06f5b4a099989abb04178b939d2b24 /fs/nfsd
parent516f7b3f2a7dbe93d3075e76a06bbfcd0c0ee4f7 (diff)
parentd4a516560fc96a9d486a9939bcb567e3fdce8f49 (diff)
downloadop-kernel-dev-cf596766fc53bbfa0e2b21e3569932aa54f5f9ca.zip
op-kernel-dev-cf596766fc53bbfa0e2b21e3569932aa54f5f9ca.tar.gz
Merge branch 'nfsd-next' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields: "This was a very quiet cycle! Just a few bugfixes and some cleanup" * 'nfsd-next' of git://linux-nfs.org/~bfields/linux: rpc: let xdr layer allocate gssproxy receieve pages rpc: fix huge kmalloc's in gss-proxy rpc: comment on linux_cred encoding, treat all as unsigned rpc: clean up decoding of gssproxy linux creds svcrpc: remove unused rq_resused nfsd4: nfsd4_create_clid_dir prints uninitialized data nfsd4: fix leak of inode reference on delegation failure Revert "nfsd: nfs4_file_get_access: need to be more careful with O_RDWR" sunrpc: prepare NFS for 2038 nfsd4: fix setlease error return nfsd: nfs4_file_get_access: need to be more careful with O_RDWR
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4recover.c2
-rw-r--r--fs/nfsd/nfs4state.c33
2 files changed, 21 insertions, 14 deletions
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index 105a3b0..e0a65a9 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -173,8 +173,6 @@ nfsd4_create_clid_dir(struct nfs4_client *clp)
int status;
struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
- dprintk("NFSD: nfsd4_create_clid_dir for \"%s\"\n", dname);
-
if (test_and_set_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
return;
if (!nn->rec_file)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 43f4229..0874998 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -368,11 +368,8 @@ static struct nfs4_delegation *
alloc_init_deleg(struct nfs4_client *clp, struct nfs4_ol_stateid *stp, struct svc_fh *current_fh)
{
struct nfs4_delegation *dp;
- struct nfs4_file *fp = stp->st_file;
dprintk("NFSD alloc_init_deleg\n");
- if (fp->fi_had_conflict)
- return NULL;
if (num_delegations > max_delegations)
return NULL;
dp = delegstateid(nfs4_alloc_stid(clp, deleg_slab));
@@ -389,8 +386,7 @@ alloc_init_deleg(struct nfs4_client *clp, struct nfs4_ol_stateid *stp, struct sv
INIT_LIST_HEAD(&dp->dl_perfile);
INIT_LIST_HEAD(&dp->dl_perclnt);
INIT_LIST_HEAD(&dp->dl_recall_lru);
- get_nfs4_file(fp);
- dp->dl_file = fp;
+ dp->dl_file = NULL;
dp->dl_type = NFS4_OPEN_DELEGATE_READ;
fh_copy_shallow(&dp->dl_fh, &current_fh->fh_handle);
dp->dl_time = 0;
@@ -3035,7 +3031,7 @@ static int nfs4_setlease(struct nfs4_delegation *dp)
if (status) {
list_del_init(&dp->dl_perclnt);
locks_free_lock(fl);
- return -ENOMEM;
+ return status;
}
fp->fi_lease = fl;
fp->fi_deleg_file = get_file(fl->fl_file);
@@ -3044,22 +3040,35 @@ static int nfs4_setlease(struct nfs4_delegation *dp)
return 0;
}
-static int nfs4_set_delegation(struct nfs4_delegation *dp)
+static int nfs4_set_delegation(struct nfs4_delegation *dp, struct nfs4_file *fp)
{
- struct nfs4_file *fp = dp->dl_file;
+ int status;
- if (!fp->fi_lease)
- return nfs4_setlease(dp);
+ if (fp->fi_had_conflict)
+ return -EAGAIN;
+ get_nfs4_file(fp);
+ dp->dl_file = fp;
+ if (!fp->fi_lease) {
+ status = nfs4_setlease(dp);
+ if (status)
+ goto out_free;
+ return 0;
+ }
spin_lock(&recall_lock);
if (fp->fi_had_conflict) {
spin_unlock(&recall_lock);
- return -EAGAIN;
+ status = -EAGAIN;
+ goto out_free;
}
atomic_inc(&fp->fi_delegees);
list_add(&dp->dl_perfile, &fp->fi_delegations);
spin_unlock(&recall_lock);
list_add(&dp->dl_perclnt, &dp->dl_stid.sc_client->cl_delegations);
return 0;
+out_free:
+ put_nfs4_file(fp);
+ dp->dl_file = fp;
+ return status;
}
static void nfsd4_open_deleg_none_ext(struct nfsd4_open *open, int status)
@@ -3134,7 +3143,7 @@ nfs4_open_delegation(struct net *net, struct svc_fh *fh,
dp = alloc_init_deleg(oo->oo_owner.so_client, stp, fh);
if (dp == NULL)
goto out_no_deleg;
- status = nfs4_set_delegation(dp);
+ status = nfs4_set_delegation(dp, stp->st_file);
if (status)
goto out_free;
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