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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-07-09 10:45:42 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-07-10 23:40:43 -0400 |
| commit | 8bda4e4c98d14566fc1a354c62fb59d70cc49b97 (patch) | |
| tree | d137e784db33d1347a6b03d22044e9a41e10967f /fs/nfs/nfs4_fs.h | |
| parent | 1ac7e2fd35905f3d44df06568bca5f9d140369b3 (diff) | |
| download | op-kernel-dev-8bda4e4c98d14566fc1a354c62fb59d70cc49b97.zip op-kernel-dev-8bda4e4c98d14566fc1a354c62fb59d70cc49b97.tar.gz | |
NFSv4: Fix up stateid locking...
We really don't need to grab both the state->so_owner and the
inode->i_lock.
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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 4a1c4d8..dd1aa2b 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -139,9 +139,11 @@ struct nfs4_state { unsigned long flags; /* Do we hold any locks? */ spinlock_t state_lock; /* Protects the lock_states list */ + seqlock_t seqlock; /* Protects the stateid/open_stateid */ nfs4_stateid stateid; /* Current stateid: may be delegation */ nfs4_stateid open_stateid; /* OPEN stateid */ + /* The following 3 fields are protected by owner->so_lock */ 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 */ |
