mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-11 01:53:20 -04:00
Code Issues Packages Projects Releases Wiki Activity

nfsd: handle NFS4ERR_BADSLOT on CB_SEQUENCE better

Browse Source 
Currently it just restarts the call, without getting a new slot.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Jeff Layton
2025-02-09 07:31:27 -05:00
committed by Chuck Lever
parent bf36c14972
commit 999595a651
1 changed files with 7 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
fs/nfsd/nfs4callback.c
View File

@@ -1389,6 +1389,13 @@ static bool nfsd4_cb_sequence_done(struct rpc_task *task, struct nfsd4_callback
rpc_delay(task, 2 * HZ);
return false;
case -NFS4ERR_BADSLOT:
/*
* BADSLOT means that the client and server are out of sync
* as to the backchannel parameters. Mark the backchannel faulty
* and restart the RPC, but leak the slot so no one uses it.
*/
nfsd4_mark_cb_fault(cb->cb_clp);
cb->cb_held_slot = -1;
goto retry_nowait;
case -NFS4ERR_SEQ_MISORDERED:
if (session->se_cb_seq_nr[cb->cb_held_slot] != 1) {