iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

NFSv4.1: RECLAIM_COMPLETE must handle EACCES

Browse Source 
A client should be able to handle getting an EACCES error while doing
a mount operation to reclaim state due to NFS4CLNT_RECLAIM_REBOOT
being set. If the server returns RPC_AUTH_BADCRED because authentication
failed when we execute "exportfs -au", then RECLAIM_COMPLETE will go a
wrong way. After mount succeeds, all OPEN call will fail due to an
NFS4ERR_GRACE error being returned. This patch is to fix it by resending
a RPC request.

Signed-off-by: Zhang Xianwei <zhang.xianwei8@zte.com.cn>
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Fixes: aa5190d0ed ("NFSv4: Kill nfs4_async_handle_error() abuses by NFSv4.1")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Zhang Xianwei 2022-07-27 18:01:07 +08:00 committed by Trond Myklebust
parent f201bdfd7c
commit e35a5e782f
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
fs/nfs/nfs4proc.c
View File

@ -9487,6 +9487,9 @@ static int nfs41_reclaim_complete_handle_errors(struct rpc_task *task, struct nf
rpc_delay(task, NFS4_POLL_RETRY_MAX);
fallthrough;
case -NFS4ERR_RETRY_UNCACHED_REP:
case -EACCES:
dprintk("%s: failed to reclaim complete error %d for server %s, retrying\n",
__func__, task->tk_status, clp->cl_hostname);
return -EAGAIN;
case -NFS4ERR_BADSESSION:
case -NFS4ERR_DEADSESSION: