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authorTrond Myklebust <Trond.Myklebust@netapp.com>2010-10-04 17:59:08 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-10-19 19:42:33 -0400
commitae1007d37e00144b72906a4bdc47d517ae91bcc1 (patch)
tree170a123bd99aefbb086bef9ab75a576ea5df346a /fs/nfs/nfs4proc.c
parentb0ed9dbc24f1fd912b2dd08b995153cafc1d5b1c (diff)
NFSv4: Don't call nfs4_state_mark_reclaim_reboot() from error handlers
In the case of a server reboot, the state recovery thread starts by calling nfs4_state_end_reclaim_reboot() in order to avoid edge conditions when the server reboots while the client is in the middle of recovery. However, if the client has already marked the nfs4_state as requiring reboot recovery, then the above behaviour will cause the recovery thread to treat the open as if it was part of such an edge condition: the open will be recovered as if it was part of a lease expiration (and all the locks will be lost). Fix is to remove the call to nfs4_state_mark_reclaim_reboot from nfs4_async_handle_error(), and nfs4_handle_exception(). Instead we leave it to the recovery thread to do this for us. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org
Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r--fs/nfs/nfs4proc.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 7f25246bf38..88a9d93ec1b 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -255,9 +255,6 @@ static int nfs4_handle_exception(const struct nfs_server *server, int errorcode,
nfs4_state_mark_reclaim_nograce(clp, state);
goto do_state_recovery;
case -NFS4ERR_STALE_STATEID:
- if (state == NULL)
- break;
- nfs4_state_mark_reclaim_reboot(clp, state);
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_EXPIRED:
goto do_state_recovery;
@@ -3414,9 +3411,6 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server,
nfs4_state_mark_reclaim_nograce(clp, state);
goto do_state_recovery;
case -NFS4ERR_STALE_STATEID:
- if (state == NULL)
- break;
- nfs4_state_mark_reclaim_reboot(clp, state);
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_EXPIRED:
goto do_state_recovery;