Commit 15bd50ad authored Dec 20, 2012 by Bob Peterson Committed by Steven Whitehouse Jan 02, 2013

GFS2: Stop looking for free blocks at end of rgrp



This patch adds a return code check after calling function
gfs2_rbm_from_block while determining the free extent size.
That way, when the end of an rgrp is reached, it won't try
to process unaligned blocks after the end.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

parent f1213cac

fs/gfs2/rgrp.c

+7 −3

Original line number	Diff line number	Diff line
		@@ -350,10 +350,14 @@ static u32 gfs2_free_extlen(const struct gfs2_rbm *rrbm, u32 len)
		BUG_ON(len < chunk_size);
		len -= chunk_size;
		block = gfs2_rbm_to_block(&rbm);
		gfs2_rbm_from_block(&rbm, block + chunk_size);
		if (gfs2_rbm_from_block(&rbm, block + chunk_size)) {
		n_unaligned = 0;
		break;
		}
		if (ptr) {
		n_unaligned = 3;
		if (ptr)
		break;
		}
		n_unaligned = len & 3;
		}

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