diff options
| author | Nathan Scott <nathans@sgi.com> | 2003-05-03 01:41:07 +0200 |
|---|---|---|
| committer | Nathan Scott <nathans@sgi.com> | 2003-05-03 01:41:07 +0200 |
| commit | 092488f7e38ec9d786a9ba7fa4e6624c39d705c0 (patch) | |
| tree | faf747f7db73c586d4bdf8c54be8b88005a2bb76 | |
| parent | a22762afda91f18716a7958a15a1ed30369ed300 (diff) | |
[XFS] Add a validity check for unwritten extents, trying to trap a problem
on ia64.
SGI Modid: 2.5.x-xfs:slinx:144727a
| -rw-r--r-- | fs/xfs/linux/xfs_aops.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/xfs/linux/xfs_aops.c b/fs/xfs/linux/xfs_aops.c index 0ee7b404a2ca..7e9ecd1cbd2e 100644 --- a/fs/xfs/linux/xfs_aops.c +++ b/fs/xfs/linux/xfs_aops.c @@ -398,6 +398,12 @@ map_unwritten( nblocks++; } while ((bh = bh->b_this_page) != head); + if (unlikely(nblocks == 0)) { + printk("XFS: bad unwritten extent map: bh=0x%p, mp=0x%p\n", + curr, mp); + BUG(); + } + atomic_add(nblocks, &pb->pb_io_remaining); /* If we reached the end of the page, map forwards in any |