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authorAl Viro <viro@zeniv.linux.org.uk>2014-04-30 07:40:14 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2014-05-01 02:02:52 +0400
commitb4f0354e968f5fabd39bc85b99fedae4a97589fe (patch)
tree39ffc288a0e49877f0ea83db584fd857df87bbbc /fs/dcache.c
parent5c47e6d0ad608987b91affbcf7d1fc12dfbe8fb4 (diff)
downloadlinux-b4f0354e968f5fabd39bc85b99fedae4a97589fe.tar.xz
new helper: dentry_free()
The part of old d_free() that dealt with actual freeing of dentry. Taken out of dentry_kill() into a separate function. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/dcache.c')
-rw-r--r--fs/dcache.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index a5540d491954..dab7db10d685 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -246,6 +246,15 @@ static void __d_free(struct rcu_head *head)
kmem_cache_free(dentry_cache, dentry);
}
+static void dentry_free(struct dentry *dentry)
+{
+ /* if dentry was never visible to RCU, immediate free is OK */
+ if (!(dentry->d_flags & DCACHE_RCUACCESS))
+ __d_free(&dentry->d_u.d_rcu);
+ else
+ call_rcu(&dentry->d_u.d_rcu, __d_free);
+}
+
/**
* dentry_rcuwalk_barrier - invalidate in-progress rcu-walk lookups
* @dentry: the target dentry
@@ -513,11 +522,7 @@ relock:
if (dentry->d_op && dentry->d_op->d_release)
dentry->d_op->d_release(dentry);
- /* if dentry was never visible to RCU, immediate free is OK */
- if (!(dentry->d_flags & DCACHE_RCUACCESS))
- __d_free(&dentry->d_u.d_rcu);
- else
- call_rcu(&dentry->d_u.d_rcu, __d_free);
+ dentry_free(dentry);
return parent;
}