NFSv4: Fix another reboot recovery race
If the open_context for the file is not yet fully initialised,
then open recovery cannot succeed, and since nfs4_state_find_open_context
returns an ENOENT, we end up treating the file as being irrecoverable.
What we really want to do, is just defer the recovery until later.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 3e7d42f..8134394 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1373,7 +1373,7 @@
ctx = nfs4_state_find_open_context(state);
if (IS_ERR(ctx))
- return PTR_ERR(ctx);
+ return -EAGAIN;
ret = nfs4_do_open_reclaim(ctx, state);
put_nfs_open_context(ctx);
return ret;
@@ -1814,7 +1814,7 @@
ctx = nfs4_state_find_open_context(state);
if (IS_ERR(ctx))
- return PTR_ERR(ctx);
+ return -EAGAIN;
ret = nfs4_do_open_expired(ctx, state);
put_nfs_open_context(ctx);
return ret;
@@ -1936,10 +1936,8 @@
if (ret != 0)
goto out;
- if (read_seqcount_retry(&sp->so_reclaim_seqcount, seq)) {
+ if (read_seqcount_retry(&sp->so_reclaim_seqcount, seq))
nfs4_schedule_stateid_recovery(server, state);
- nfs4_wait_clnt_recover(server->nfs_client);
- }
*res = state;
out:
return ret;