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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-07-01 20:49:11 +0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-07-30 22:46:10 +0400 |
| commit | 77041ed9b49a9e10f374bfa6e482d30ee7a3d46e (patch) | |
| tree | 8e5f98880863aaaa761735cb483730f8520d6b26 /fs/nfs/nfs4_fs.h | |
| parent | d3c7b7ccc199ee564177ee914c04771d6bc00295 (diff) | |
| download | linux-77041ed9b49a9e10f374bfa6e482d30ee7a3d46e.tar.xz | |
NFSv4: Ensure the lockowners are labelled using the fl_owner and/or fl_pid
flock locks want to be labelled using the process pid, while posix locks
want to be labelled using the fl_owner.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4_fs.h')
| -rw-r--r-- | fs/nfs/nfs4_fs.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index deaf37f5a7a9..311e15cc8af0 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -142,10 +142,20 @@ enum { * LOCK: one nfs4_state (LOCK) to hold the lock stateid nfs4_state(OPEN) */ +struct nfs4_lock_owner { + unsigned int lo_type; +#define NFS4_ANY_LOCK_TYPE (0U) +#define NFS4_FLOCK_LOCK_TYPE (1U << 0) +#define NFS4_POSIX_LOCK_TYPE (1U << 1) + union { + fl_owner_t posix_owner; + pid_t flock_owner; + } lo_u; +}; + struct nfs4_lock_state { struct list_head ls_locks; /* Other lock stateids */ struct nfs4_state * ls_state; /* Pointer to open state */ - fl_owner_t ls_owner; /* POSIX lock owner */ #define NFS_LOCK_INITIALIZED 1 int ls_flags; struct nfs_seqid_counter ls_seqid; @@ -153,6 +163,7 @@ struct nfs4_lock_state { struct nfs_unique_id ls_id; nfs4_stateid ls_stateid; atomic_t ls_count; + struct nfs4_lock_owner ls_owner; }; /* bits for nfs4_state->flags */ @@ -310,7 +321,7 @@ extern void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags) extern void nfs41_handle_recall_slot(struct nfs_client *clp); extern void nfs4_put_lock_state(struct nfs4_lock_state *lsp); extern int nfs4_set_lock_state(struct nfs4_state *state, struct file_lock *fl); -extern void nfs4_copy_stateid(nfs4_stateid *, struct nfs4_state *, fl_owner_t); +extern void nfs4_copy_stateid(nfs4_stateid *, struct nfs4_state *, fl_owner_t, pid_t); extern struct nfs_seqid *nfs_alloc_seqid(struct nfs_seqid_counter *counter, gfp_t gfp_mask); extern int nfs_wait_on_sequence(struct nfs_seqid *seqid, struct rpc_task *task); |