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| author | Steven Whitehouse <swhiteho@redhat.com> | 2012-08-07 13:47:12 +0100 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2012-09-24 10:47:03 +0100 |
| commit | 5d50d5324612d28c47b9361e5424f13a19c888cd (patch) | |
| tree | d4cfa082e5d63e3e6017b7a41a9d7b005e9d875a | |
| parent | 24d634e8f3b43fe2eb7c7d66567de7aba8edc308 (diff) | |
| download | op-kernel-dev-5d50d5324612d28c47b9361e5424f13a19c888cd.zip op-kernel-dev-5d50d5324612d28c47b9361e5424f13a19c888cd.tar.gz | |
GFS2: Fix case where reservation finished at end of rgrp
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>
| -rw-r--r-- | fs/gfs2/rgrp.c | 7 |
1 files changed, 7 insertions, 0 deletions
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; |
