Messages in this thread Patch in this message | | | From | Steven Whitehouse <> | Subject | [PATCH 08/27] GFS2: Fix case where reservation finished at end of rgrp | Date | Wed, 26 Sep 2012 09:25:29 +0100 |
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One corner case which the original patch failed to take into account was when there is a reservation which ended such that the following block was one beyond the end of the rgrp in question. This extra test fixes that case.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Reported-by: Bob Peterson <rpeterso@redhat.com> Tested-by: Bob Peterson <rpeterso@redhat.com>
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index 7ce22d8..c17029a 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -1596,6 +1596,12 @@ find_next: n += (rbm->bi - initial_bi); goto find_next; } + if (ret == -E2BIG) { + index = 0; + rbm->offset = 0; + n += (rbm->bi - initial_bi); + goto res_covered_end_of_rgrp; + } return ret; bitmap_full: /* Mark bitmap as full and fall through */ @@ -1608,6 +1614,7 @@ next_bitmap: /* Find next bitmap in the rgrp */ index++; if (index == rbm->rgd->rd_length) index = 0; +res_covered_end_of_rgrp: rbm->bi = &rbm->rgd->rd_bits[index]; if ((index == 0) && nowrap) break; -- 1.7.4
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