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authorMartin Brandenburg <martin@omnibond.com>2016-02-08 23:01:29 +0100
committerMartin Brandenburg <martin@omnibond.com>2016-08-02 21:38:21 +0200
commit31b7c1ab4ed14d3aeb658e11a114860a64290fea (patch)
tree3a5a9575a51456d414d70ec800df567544c55aea /fs/orangefs/dcache.c
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s39... (diff)
downloadlinux-31b7c1ab4ed14d3aeb658e11a114860a64290fea.tar.xz
linux-31b7c1ab4ed14d3aeb658e11a114860a64290fea.zip
orangefs: Use d_time to avoid excessive lookups
Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Diffstat (limited to 'fs/orangefs/dcache.c')
-rw-r--r--fs/orangefs/dcache.c4
1 files changed, 4 insertions, 0 deletions
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;