Commit 4d93bc3e authored by Al Viro's avatar Al Viro
Browse files

gfs2_atomic_open(): skip lookups on hashed dentry



hashed dentry can be passed to ->atomic_open() only if
a) it has just passed revalidation and
b) it's negative
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 18c85d09
......@@ -1244,6 +1244,9 @@ static int gfs2_atomic_open(struct inode *dir, struct dentry *dentry,
struct dentry *d;
bool excl = !!(flags & O_EXCL);
if (!d_unhashed(dentry))
goto skip_lookup;
d = __gfs2_lookup(dir, dentry, file, opened);
if (IS_ERR(d))
return PTR_ERR(d);
......@@ -1260,6 +1263,8 @@ static int gfs2_atomic_open(struct inode *dir, struct dentry *dentry,
}
BUG_ON(d != NULL);
skip_lookup:
if (!(flags & O_CREAT))
return -ENOENT;
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment