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| author |   Steven Whitehouse <swhiteho@redhat.com> | 2007-07-17 10:26:56 +0100 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2007-08-14 10:33:15 +0100 |
| commit | 6eefaf61f664053c1dd6534a994cab3f8bb07263 (patch) | |
| tree | fddd9218cd7ac92f8f2b850c52d4b2dbca7fb568 /fs | |
| parent | [GFS2] soft lockup in rgblk_search (diff) | |
| download | linux-dev-6eefaf61f664053c1dd6534a994cab3f8bb07263.tar.xz linux-dev-6eefaf61f664053c1dd6534a994cab3f8bb07263.zip | |
[GFS2] Fix incorrect return code in rgrp.c
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>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/gfs2/rgrp.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index bb58e69fd977..ce48c4594ec8 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -867,7 +867,7 @@ static struct inode *try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked) break; goal = rgblk_search(rgd, goal, GFS2_BLKST_UNLINKED, GFS2_BLKST_UNLINKED); - if (goal == 0) + if (goal == BFITNOENT) break; no_addr = goal + rgd->rd_data0; goal++; @@ -1316,7 +1316,7 @@ static u32 rgblk_search(struct gfs2_rgrpd *rgd, u32 goal, 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; } /** @@ -1396,6 +1396,7 @@ u64 gfs2_alloc_data(struct gfs2_inode *ip) 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; @@ -1440,6 +1441,7 @@ u64 gfs2_alloc_meta(struct gfs2_inode *ip) 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; @@ -1481,6 +1483,7 @@ u64 gfs2_alloc_di(struct gfs2_inode *dip, u64 *generation) 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; |