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NFSv4: Hold the delegation spinlock when updating the seqid 

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2019-10-21 14:11:00 -04:00
parent f9e0cc9c97
commit e0f07896af
1 changed files with 2 additions and 0 deletions
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2
fs/nfs/delegation.c
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@ -387,8 +387,10 @@ int nfs_inode_set_delegation(struct inode *inode, const struct cred *cred,
/* Is this an update of the existing delegation? */
if (nfs4_stateid_match_other(&old_delegation->stateid,
&delegation->stateid)) {
spin_lock(&old_delegation->lock);
nfs_update_inplace_delegation(old_delegation,
delegation);
spin_unlock(&old_delegation->lock);
goto out;
}
/*