diff options
| author | Alex Shi <alex.shi@linaro.org> | 2016-10-29 13:26:04 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-10-29 13:26:04 +0800 |
| commit | c11a255c622e7a2d312f4080c6ef529dd67b3c38 (patch) | |
| tree | c7d36f8014e9da35e4b772cfdc1779ec0449d657 /fs/nfs | |
| parent | 273daee0be36235886622396eedb618fc5de0213 (diff) | |
| parent | 25f89e269f5c5d06594098cc3b1d97554249f3f9 (diff) | |
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/delegation.c | 16 | ||||
| -rw-r--r-- | fs/nfs/nfs42proc.c | 1 | ||||
| -rw-r--r-- | fs/nfs/nfs4state.c | 3 |
3 files changed, 17 insertions, 3 deletions
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index 5166adcfc0fb..7af5eeabc80e 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -41,6 +41,17 @@ void nfs_mark_delegation_referenced(struct nfs_delegation *delegation) set_bit(NFS_DELEGATION_REFERENCED, &delegation->flags); } +static bool +nfs4_is_valid_delegation(const struct nfs_delegation *delegation, + fmode_t flags) +{ + if (delegation != NULL && (delegation->type & flags) == flags && + !test_bit(NFS_DELEGATION_REVOKED, &delegation->flags) && + !test_bit(NFS_DELEGATION_RETURNING, &delegation->flags)) + return true; + return false; +} + static int nfs4_do_check_delegation(struct inode *inode, fmode_t flags, bool mark) { @@ -50,8 +61,7 @@ nfs4_do_check_delegation(struct inode *inode, fmode_t flags, bool mark) flags &= FMODE_READ|FMODE_WRITE; rcu_read_lock(); delegation = rcu_dereference(NFS_I(inode)->delegation); - if (delegation != NULL && (delegation->type & flags) == flags && - !test_bit(NFS_DELEGATION_RETURNING, &delegation->flags)) { + if (nfs4_is_valid_delegation(delegation, flags)) { if (mark) nfs_mark_delegation_referenced(delegation); ret = 1; @@ -892,7 +902,7 @@ bool nfs4_copy_delegation_stateid(nfs4_stateid *dst, struct inode *inode, flags &= FMODE_READ|FMODE_WRITE; rcu_read_lock(); delegation = rcu_dereference(nfsi->delegation); - ret = (delegation != NULL && (delegation->type & flags) == flags); + ret = nfs4_is_valid_delegation(delegation, flags); if (ret) { nfs4_stateid_copy(dst, &delegation->stateid); nfs_mark_delegation_referenced(delegation); diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index 6b1ce9825430..7f1a0fb8c493 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -269,6 +269,7 @@ int nfs42_proc_layoutstats_generic(struct nfs_server *server, task = rpc_run_task(&task_setup); if (IS_ERR(task)) return PTR_ERR(task); + rpc_put_task(task); return 0; } diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index d854693a15b0..82dc3035ea45 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1493,6 +1493,9 @@ restart: __func__, status); case -ENOENT: case -ENOMEM: + case -EACCES: + case -EROFS: + case -EIO: case -ESTALE: /* Open state on this file cannot be recovered */ nfs4_state_mark_recovery_failed(state, status); |