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Commit 9265f1d0 authored by Al Viro's avatar Al Viro Committed by Steven Whitehouse
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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 Original line 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);

	spin_lock(&inode->i_lock);

	if (ip->i_hash_cache)

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

		kvfree(hc);

	else

		ip->i_hash_cache = hc;

		ip->i_hash_cache = hc;

		hc = NULL;

	}

	spin_unlock(&inode->i_lock);

	spin_unlock(&inode->i_lock);

	kvfree(hc);





	return ip->i_hash_cache;

	return ip->i_hash_cache;

}

}