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Commit a8ce377a authored by Jeff Layton's avatar Jeff Layton Committed by Anna Schumaker
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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: default avatarJeff Layton <jlayton@redhat.com>
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent eed7c414
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+1 −0
Original line number Diff line number Diff line
@@ -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 {
+2 −0
Original line number Diff line number Diff line
@@ -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)) {