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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: 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;
}