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-rw-r--r--fs/locks.c3
-rw-r--r--fs/nfsd/Kconfig1
-rw-r--r--fs/nfsd/filecache.c2
-rw-r--r--fs/nfsd/nfs4callback.c1
-rw-r--r--fs/nfsd/nfs4proc.c2
-rw-r--r--fs/nfsd/nfs4state.c55
6 files changed, 20 insertions, 44 deletions
diff --git a/fs/locks.c b/fs/locks.c
index 99ca97e81b7a..6125d2de39b8 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1808,9 +1808,6 @@ check_conflicting_open(struct file *filp, const long arg, int flags)
if (flags & FL_LAYOUT)
return 0;
- if (flags & FL_DELEG)
- /* We leave these checks to the caller. */
- return 0;
if (arg == F_RDLCK)
return inode_is_open_for_write(inode) ? -EAGAIN : 0;
diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig
index 821e5913faee..d6cff5fbe705 100644
--- a/fs/nfsd/Kconfig
+++ b/fs/nfsd/Kconfig
@@ -73,6 +73,7 @@ config NFSD_V4
select NFSD_V3
select FS_POSIX_ACL
select SUNRPC_GSS
+ select CRYPTO
select CRYPTO_MD5
select CRYPTO_SHA256
select GRACE_PERIOD
diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index 53fcbf79bdca..7629248fdd53 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -898,6 +898,8 @@ nfsd_file_find_locked(struct inode *inode, unsigned int may_flags,
continue;
if (!nfsd_match_cred(nf->nf_cred, current_cred()))
continue;
+ if (!test_bit(NFSD_FILE_HASHED, &nf->nf_flags))
+ continue;
if (nfsd_file_get(nf) != NULL)
return nf;
}
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 052be5bf9ef5..7325592b456e 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -1189,6 +1189,7 @@ static void nfsd4_cb_done(struct rpc_task *task, void *calldata)
switch (task->tk_status) {
case -EIO:
case -ETIMEDOUT:
+ case -EACCES:
nfsd4_mark_cb_down(clp, task->tk_status);
}
break;
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index acdb3cd806a1..dd9f38d072dd 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1302,7 +1302,7 @@ nfsd4_cleanup_inter_ssc(struct vfsmount *ss_mnt, struct nfsd_file *src,
struct nfsd_file *dst)
{
nfs42_ssc_close(src->nf_file);
- /* 'src' is freed by nfsd4_do_async_copy */
+ fput(src->nf_file);
nfsd_file_put(dst);
mntput(ss_mnt);
}
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 423fd6683f3a..97447a64bad0 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -4940,31 +4940,6 @@ static struct file_lock *nfs4_alloc_init_lease(struct nfs4_delegation *dp,
return fl;
}
-static int nfsd4_check_conflicting_opens(struct nfs4_client *clp,
- struct nfs4_file *fp)
-{
- struct nfs4_clnt_odstate *co;
- struct file *f = fp->fi_deleg_file->nf_file;
- struct inode *ino = locks_inode(f);
- int writes = atomic_read(&ino->i_writecount);
-
- if (fp->fi_fds[O_WRONLY])
- writes--;
- if (fp->fi_fds[O_RDWR])
- writes--;
- if (writes > 0)
- return -EAGAIN;
- spin_lock(&fp->fi_lock);
- list_for_each_entry(co, &fp->fi_clnt_odstate, co_perfile) {
- if (co->co_client != clp) {
- spin_unlock(&fp->fi_lock);
- return -EAGAIN;
- }
- }
- spin_unlock(&fp->fi_lock);
- return 0;
-}
-
static struct nfs4_delegation *
nfs4_set_delegation(struct nfs4_client *clp, struct svc_fh *fh,
struct nfs4_file *fp, struct nfs4_clnt_odstate *odstate)
@@ -4984,12 +4959,9 @@ nfs4_set_delegation(struct nfs4_client *clp, struct svc_fh *fh,
nf = find_readable_file(fp);
if (!nf) {
- /*
- * We probably could attempt another open and get a read
- * delegation, but for now, don't bother until the
- * client actually sends us one.
- */
- return ERR_PTR(-EAGAIN);
+ /* We should always have a readable file here */
+ WARN_ON_ONCE(1);
+ return ERR_PTR(-EBADF);
}
spin_lock(&state_lock);
spin_lock(&fp->fi_lock);
@@ -5019,19 +4991,11 @@ nfs4_set_delegation(struct nfs4_client *clp, struct svc_fh *fh,
if (!fl)
goto out_clnt_odstate;
- status = nfsd4_check_conflicting_opens(clp, fp);
- if (status) {
- locks_free_lock(fl);
- goto out_clnt_odstate;
- }
status = vfs_setlease(fp->fi_deleg_file->nf_file, fl->fl_type, &fl, NULL);
if (fl)
locks_free_lock(fl);
if (status)
goto out_clnt_odstate;
- status = nfsd4_check_conflicting_opens(clp, fp);
- if (status)
- goto out_clnt_odstate;
spin_lock(&state_lock);
spin_lock(&fp->fi_lock);
@@ -5113,6 +5077,17 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open,
goto out_no_deleg;
if (!cb_up || !(oo->oo_flags & NFS4_OO_CONFIRMED))
goto out_no_deleg;
+ /*
+ * Also, if the file was opened for write or
+ * create, there's a good chance the client's
+ * about to write to it, resulting in an
+ * immediate recall (since we don't support
+ * write delegations):
+ */
+ if (open->op_share_access & NFS4_SHARE_ACCESS_WRITE)
+ goto out_no_deleg;
+ if (open->op_create == NFS4_OPEN_CREATE)
+ goto out_no_deleg;
break;
default:
goto out_no_deleg;
@@ -5389,7 +5364,7 @@ nfs4_laundromat(struct nfsd_net *nn)
idr_for_each_entry(&nn->s2s_cp_stateids, cps_t, i) {
cps = container_of(cps_t, struct nfs4_cpntf_state, cp_stateid);
if (cps->cp_stateid.sc_type == NFS4_COPYNOTIFY_STID &&
- cps->cpntf_time > cutoff)
+ cps->cpntf_time < cutoff)
_free_cpntf_state_locked(nn, cps);
}
spin_unlock(&nn->s2s_cp_lock);