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 <[email protected]>
Reported-by: Bob Peterson <[email protected]>
Tested-by: Bob Peterson <[email protected]>
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 @@
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 @@
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;
