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| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-04-30 07:40:14 +0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-05-01 02:02:52 +0400 |
| commit | b4f0354e968f5fabd39bc85b99fedae4a97589fe (patch) | |
| tree | 39ffc288a0e49877f0ea83db584fd857df87bbbc /fs | |
| parent | 5c47e6d0ad608987b91affbcf7d1fc12dfbe8fb4 (diff) | |
| download | linux-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')
| -rw-r--r-- | fs/dcache.c | 15 |
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; } |