The following patch fixes a bug where 0 was being used as a return code
to indicate "nothing to do" when in fact 0 was a valid block location
which might be returned by the function.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
break;
goal = rgblk_search(rgd, goal, GFS2_BLKST_UNLINKED,
GFS2_BLKST_UNLINKED);
break;
goal = rgblk_search(rgd, goal, GFS2_BLKST_UNLINKED,
GFS2_BLKST_UNLINKED);
break;
no_addr = goal + rgd->rd_data0;
goal++;
break;
no_addr = goal + rgd->rd_data0;
goal++;
bi->bi_len, blk, new_state);
}
bi->bi_len, blk, new_state);
}
- return (blk == BFITNOENT) ? 0 : (bi->bi_start * GFS2_NBBY) + blk;
+ return (blk == BFITNOENT) ? blk : (bi->bi_start * GFS2_NBBY) + blk;
goal = rgd->rd_last_alloc_data;
blk = rgblk_search(rgd, goal, GFS2_BLKST_FREE, GFS2_BLKST_USED);
goal = rgd->rd_last_alloc_data;
blk = rgblk_search(rgd, goal, GFS2_BLKST_FREE, GFS2_BLKST_USED);
+ BUG_ON(blk == BFITNOENT);
rgd->rd_last_alloc_data = blk;
block = rgd->rd_data0 + blk;
rgd->rd_last_alloc_data = blk;
block = rgd->rd_data0 + blk;
goal = rgd->rd_last_alloc_meta;
blk = rgblk_search(rgd, goal, GFS2_BLKST_FREE, GFS2_BLKST_USED);
goal = rgd->rd_last_alloc_meta;
blk = rgblk_search(rgd, goal, GFS2_BLKST_FREE, GFS2_BLKST_USED);
+ BUG_ON(blk == BFITNOENT);
rgd->rd_last_alloc_meta = blk;
block = rgd->rd_data0 + blk;
rgd->rd_last_alloc_meta = blk;
block = rgd->rd_data0 + blk;
blk = rgblk_search(rgd, rgd->rd_last_alloc_meta,
GFS2_BLKST_FREE, GFS2_BLKST_DINODE);
blk = rgblk_search(rgd, rgd->rd_last_alloc_meta,
GFS2_BLKST_FREE, GFS2_BLKST_DINODE);
+ BUG_ON(blk == BFITNOENT);
rgd->rd_last_alloc_meta = blk;
rgd->rd_last_alloc_meta = blk;