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

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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: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Al Viro 2014-11-20 05:19:47 +00:00 committed by Steven Whitehouse
parent 3cdcf63ed2
commit 9265f1d0c7
1 changed files with 4 additions and 3 deletions
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7
fs/gfs2/dir.c
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@ -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;
}