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xfs: fix use of agi_newino in finobt lookup

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Sparse warns that we are passing the big-endian valueo f agi_newino
to the initial btree lookup function when trying to find a new
inode. This is wrong - we need to pass the host order value, not the
disk order value. This will adversely affect the next inode
allocated, but given that the free inode btree is usually much
smaller than the allocated inode btree it is much less likely to be
a performance issue if we start the search in the wrong place.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Dave Chinner 2014-09-29 10:43:15 +10:00
parent ab6978c295
commit e68ed77521
1 changed files with 2 additions and 3 deletions
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5
fs/xfs/libxfs/xfs_ialloc.c
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@ -1076,8 +1076,8 @@ xfs_dialloc_ag_finobt_newino(
int i;
if (agi->agi_newino != cpu_to_be32(NULLAGINO)) {
error = xfs_inobt_lookup(cur, agi->agi_newino, XFS_LOOKUP_EQ,
&i);
error = xfs_inobt_lookup(cur, be32_to_cpu(agi->agi_newino),
XFS_LOOKUP_EQ, &i);
if (error)
return error;
if (i == 1) {
@ -1085,7 +1085,6 @@ xfs_dialloc_ag_finobt_newino(
if (error)
return error;
XFS_WANT_CORRUPTED_RETURN(i == 1);
return 0;
}
}