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[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>
This commit is contained in:
Steven Whitehouse 2007-07-17 10:26:56 +01:00
parent 24c7387333
commit 6eefaf61f6
1 changed files with 5 additions and 2 deletions
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7
fs/gfs2/rgrp.c
View File

@ -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;