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Commit 7a50c60e authored by Trond Myklebust's avatar Trond Myklebust
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NFS: Use delegations to optimise ACCESS calls 



Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 15860ab1

fs/nfs/dir.c

+2 −1
Original line number Diff line number Diff line
@@ -1797,7 +1797,8 @@ static int nfs_access_get_cached(struct inode *inode, struct rpc_cred *cred, str 
	cache = nfs_access_search_rbtree(inode, cred);

	if (cache == NULL)

		goto out;

	if (!time_in_range(jiffies, cache->jiffies, cache->jiffies + nfsi->attrtimeo))

	if (!nfs_have_delegation(inode, FMODE_READ) &&

	    !time_in_range(jiffies, cache->jiffies, cache->jiffies + nfsi->attrtimeo))

		goto out_stale;

	res->jiffies = cache->jiffies;

	res->cred = cache->cred;