From 31b7c1ab4ed14d3aeb658e11a114860a64290fea Mon Sep 17 00:00:00 2001 From: Martin Brandenburg Date: Mon, 8 Feb 2016 17:01:29 -0500 Subject: orangefs: Use d_time to avoid excessive lookups Signed-off-by: Martin Brandenburg --- fs/orangefs/dcache.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'fs/orangefs/dcache.c') diff --git a/fs/orangefs/dcache.c b/fs/orangefs/dcache.c index 5dfc4f3cfe68..dcb55bbb0b69 100644 --- a/fs/orangefs/dcache.c +++ b/fs/orangefs/dcache.c @@ -73,6 +73,7 @@ static int orangefs_revalidate_lookup(struct dentry *dentry) } } + dentry->d_time = jiffies + HZ; ret = 1; out_release_op: op_release(new_op); @@ -94,6 +95,9 @@ static int orangefs_d_revalidate(struct dentry *dentry, unsigned int flags) { int ret; + if (dentry->d_time > jiffies) + return 1; + if (flags & LOOKUP_RCU) return -ECHILD; -- cgit v1.2.3-55-g7522