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authorAl Viro <viro@zeniv.linux.org.uk>2019-04-26 13:07:27 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2019-04-26 13:13:33 -0400
commit230c6402b1b305c21c91b56cd9de95a608898506 (patch)
tree3f57fb92ec24aa5a8a1f3b671bb9484e3b5957a4 /fs/dcache.c
parent1d8b29fdb7ef39bd76bcd7a7f516938163097b0e (diff)
downloadlinux-230c6402b1b305c21c91b56cd9de95a608898506.tar.bz2
ovl_lookup_real_one(): don't bother with strlen()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/dcache.c')
-rw-r--r--fs/dcache.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index 6dd58ced8236..982d97bbb72c 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -284,25 +284,23 @@ static inline int dname_external(const struct dentry *dentry)
void take_dentry_name_snapshot(struct name_snapshot *name, struct dentry *dentry)
{
spin_lock(&dentry->d_lock);
+ name->name = dentry->d_name;
if (unlikely(dname_external(dentry))) {
- struct external_name *p = external_name(dentry);
- atomic_inc(&p->u.count);
- spin_unlock(&dentry->d_lock);
- name->name = p->name;
+ atomic_inc(&external_name(dentry)->u.count);
} else {
memcpy(name->inline_name, dentry->d_iname,
dentry->d_name.len + 1);
- spin_unlock(&dentry->d_lock);
- name->name = name->inline_name;
+ name->name.name = name->inline_name;
}
+ spin_unlock(&dentry->d_lock);
}
EXPORT_SYMBOL(take_dentry_name_snapshot);
void release_dentry_name_snapshot(struct name_snapshot *name)
{
- if (unlikely(name->name != name->inline_name)) {
+ if (unlikely(name->name.name != name->inline_name)) {
struct external_name *p;
- p = container_of(name->name, struct external_name, name[0]);
+ p = container_of(name->name.name, struct external_name, name[0]);
if (unlikely(atomic_dec_and_test(&p->u.count)))
kfree_rcu(p, u.head);
}