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Commit 15bd50ad authored by Bob Peterson's avatar Bob Peterson Committed by Steven Whitehouse
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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: default avatarBob Peterson <rpeterso@redhat.com>
Signed-off-by: default avatarSteven 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;

	}