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xfs: remove NULLEXTNUM 

We only ever set a field to this constant for an impossible to reach
error case in xfs_bmap_search_extents.  That functions has been removed,
so we can remove the constant as well.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig 2016-11-24 11:40:32 +11:00 committed by Dave Chinner
parent 6edc977f77
commit 0e8d630ba0
2 changed files with 1 additions and 2 deletions
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2
fs/xfs/libxfs/xfs_bmap.c
View File

@ -4260,7 +4260,7 @@ xfs_bmapi_allocate(
if (bma->wasdel) {
bma->length = (xfs_extlen_t)bma->got.br_blockcount;
bma->offset = bma->got.br_startoff;
if (bma->idx != NULLEXTNUM && bma->idx) {
if (bma->idx) {
xfs_bmbt_get_all(xfs_iext_get_ext(ifp, bma->idx - 1),
&bma->prev);
}

1
fs/xfs/libxfs/xfs_types.h
View File

@ -57,7 +57,6 @@ typedef __int64_t xfs_sfiloff_t; /* signed block number in a file */
#define NULLAGBLOCK ((xfs_agblock_t)-1)
#define NULLAGNUMBER ((xfs_agnumber_t)-1)
#define NULLEXTNUM ((xfs_extnum_t)-1)
#define NULLCOMMITLSN ((xfs_lsn_t)-1)