[GFS2] Force unstuff of hidden quota inode

This patch forcibly unstuffs (if stuffed) the hidden quota inode at the first availble opportunity. In any practical scenario the quota inode won't be stuffed, so this is ok to do. Unstuffing the quota inode allows us to ignore the case of a stuffed quota inode in gfs2_adjust_quota(). Signed-off-by: Abhijith Das <[email protected]> Signed-off-by: Steven Whitehouse <[email protected]>
kyagi · Oct 10, 2007 · 0fd5355 · 0fd5355
1 parent 5d35e31
commit 0fd5355
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
@@ -614,6 +614,16 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,
 	s64 value;
 	int err = -EIO;
 
+	if (gfs2_is_stuffed(ip)) {
+		struct gfs2_alloc *al = NULL;
+		al = gfs2_alloc_get(ip);
+		/* just request 1 blk */
+		al->al_requested = 1;
+		gfs2_inplace_reserve(ip);
+		gfs2_unstuff_dinode(ip, NULL);
+		gfs2_inplace_release(ip);
+		gfs2_alloc_put(ip);
+	}
 	page = grab_cache_page(mapping, index);
 	if (!page)
 		return -ENOMEM;