NFSv4: Always use the delegation if we have one
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 44b56c9..4a1c4d8 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -122,7 +122,10 @@
/* bits for nfs4_state->flags */
enum {
LK_STATE_IN_USE,
- NFS_DELEGATED_STATE,
+ NFS_DELEGATED_STATE, /* Current stateid is delegation */
+ NFS_O_RDONLY_STATE, /* OPEN stateid has read-only state */
+ NFS_O_WRONLY_STATE, /* OPEN stateid has write-only state */
+ NFS_O_RDWR_STATE, /* OPEN stateid has read/write state */
};
struct nfs4_state {
@@ -136,11 +139,12 @@
unsigned long flags; /* Do we hold any locks? */
spinlock_t state_lock; /* Protects the lock_states list */
- nfs4_stateid stateid;
+ nfs4_stateid stateid; /* Current stateid: may be delegation */
+ nfs4_stateid open_stateid; /* OPEN stateid */
- unsigned int n_rdonly;
- unsigned int n_wronly;
- unsigned int n_rdwr;
+ unsigned int n_rdonly; /* Number of read-only references */
+ unsigned int n_wronly; /* Number of write-only references */
+ unsigned int n_rdwr; /* Number of read/write references */
int state; /* State on the server (R,W, or RW) */
atomic_t count;
};