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| author | Jeff Layton <jlayton@redhat.com> | 2016-09-17 18:17:35 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2016-09-22 13:56:04 -0400 |
| commit | a8ce377a5db8d32b08c3bcc1c5d70cad64a0b21d (patch) | |
| tree | 3077aedc24f3213c32028850772890ce1cf94563 /fs | |
| parent | eed7c4143dd993ef380340af64b8f2e7a79102c8 (diff) | |
| download | linux-a8ce377a5db8d32b08c3bcc1c5d70cad64a0b21d.tar.gz linux-a8ce377a5db8d32b08c3bcc1c5d70cad64a0b21d.tar.bz2 linux-a8ce377a5db8d32b08c3bcc1c5d70cad64a0b21d.zip | |
nfs: track whether server sets MAY_NOTIFY_LOCK flag
We want to handle the two cases differently, such that we poll more
aggressively when we don't expect a callback.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/nfs4_fs.h | 1 | ||||
| -rw-r--r-- | fs/nfs/nfs4proc.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 804113421337..55cfeadedb6e 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -157,6 +157,7 @@ enum { NFS_STATE_RECLAIM_NOGRACE, /* OPEN stateid needs to recover state */ NFS_STATE_POSIX_LOCKS, /* Posix locks are supported */ NFS_STATE_RECOVERY_FAILED, /* OPEN stateid state recovery failed */ + NFS_STATE_MAY_NOTIFY_LOCK, /* server may CB_NOTIFY_LOCK */ }; struct nfs4_state { diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 0aac0fbf0b58..93cf38e8098a 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2537,6 +2537,8 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata, goto out; if (server->caps & NFS_CAP_POSIX_LOCK) set_bit(NFS_STATE_POSIX_LOCKS, &state->flags); + if (opendata->o_res.rflags & NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK) + set_bit(NFS_STATE_MAY_NOTIFY_LOCK, &state->flags); dentry = opendata->dentry; if (d_really_is_negative(dentry)) { |