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authorDave Chinner <dchinner@redhat.com>2010-06-24 11:35:17 +1000
committerDave Chinner <david@fromorbit.com>2010-06-24 11:35:17 +1000
commit7b6259e7a83647948fa33a736cc832310c8d85aa (patch)
tree99bb872b179a93f5e32b51f312029abb1237b055 /fs/xfs/xfs_ialloc.c
parent1920779e67cbf5ea8afef317777c5bf2b8096188 (diff)
xfs: remove block number from inode lookup code
The block number comes from bulkstat based inode lookups to shortcut the mapping calculations. We ar enot able to trust anything from bulkstat, so drop the block number as well so that the correct lookups and mappings are always done. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/xfs_ialloc.c')
-rw-r--r--fs/xfs/xfs_ialloc.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c
index d8fd36685eb..c7142a064c4 100644
--- a/fs/xfs/xfs_ialloc.c
+++ b/fs/xfs/xfs_ialloc.c
@@ -1355,22 +1355,6 @@ xfs_imap(
}
/*
- * If we get a block number passed we can use it to
- * find the buffer easily.
- */
- if (imap->im_blkno) {
- offset = XFS_INO_TO_OFFSET(mp, ino);
- ASSERT(offset < mp->m_sb.sb_inopblock);
-
- cluster_agbno = xfs_daddr_to_agbno(mp, imap->im_blkno);
- offset += (agbno - cluster_agbno) * mp->m_sb.sb_inopblock;
-
- imap->im_len = XFS_FSB_TO_BB(mp, blks_per_cluster);
- imap->im_boffset = (ushort)(offset << mp->m_sb.sb_inodelog);
- return 0;
- }
-
- /*
* If the inode chunks are aligned then use simple maths to
* find the location. Otherwise we have to do a btree
* lookup to find the location.