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nfs4: don't compare clientid in nfs4_wake_lock_waiter 

The task is expected to sleep for a while here, and it's possible that
a new EXCHANGE_ID has occurred in the interim, and we were assigned a
new clientid. Since this is a per-client list, there isn't a lot of
value in vetting the clientid on the incoming request.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Jeff Layton 2018-03-18 08:37:02 -04:00 committed by Anna Schumaker
parent 41a7462018
commit 5656610325
1 changed files with 2 additions and 4 deletions
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6
fs/nfs/nfs4proc.c
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@ -6626,10 +6626,8 @@ nfs4_wake_lock_waiter(wait_queue_entry_t *wait, unsigned int mode, int flags, vo
struct nfs_lowner *lowner = &cbnl->cbnl_owner,
*wowner = waiter->owner;
/* Only wake if the callback was for the same owner */
if (lowner->clientid != wowner->clientid ||
lowner->id != wowner->id ||
lowner->s_dev != wowner->s_dev)
/* Only wake if the callback was for the same owner. */
if (lowner->id != wowner->id || lowner->s_dev != wowner->s_dev)
return 0;
/* Make sure it's for the right inode */