Commit 9265f1d0 authored by Al Viro's avatar Al Viro Committed by Steven Whitehouse
Browse files

GFS2: gfs2_dir_get_hash_table(): avoiding deferred vfree() is easy here... 



vfree() is allowed under spinlock these days, but it's cheaper when
it doesn't step into deferred case and here it's very easy to avoid.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarSteven Whitehouse <swhiteho@redhat.com>
parent 3cdcf63e

fs/gfs2/dir.c

+4 −3
Original line number Diff line number Diff line
@@ -370,11 +370,12 @@ static __be64 *gfs2_dir_get_hash_table(struct gfs2_inode *ip) 
	}



	spin_lock(&inode->i_lock);

	if (ip->i_hash_cache)

		kvfree(hc);

	else

	if (likely(!ip->i_hash_cache)) {

		ip->i_hash_cache = hc;

		hc = NULL;

	}

	spin_unlock(&inode->i_lock);

	kvfree(hc);



	return ip->i_hash_cache;

}