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xfs: remove the first extent special case in xfs_bmap_add_extent

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Both xfs_bmap_add_extent_hole_delay and xfs_bmap_add_extent_hole_real
already contain code to handle the case where there is no extent to
merge with, which is effectively the same as the code duplicated here.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
This commit is contained in:
Christoph Hellwig 2011-09-18 20:40:41 +00:00 committed by Alex Elder
parent ed32201e65
commit e7455e02e5
1 changed files with 1 additions and 18 deletions
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19
fs/xfs/xfs_bmap.c
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@ -465,27 +465,10 @@ xfs_bmap_add_extent(
ASSERT(*idx >= 0); ASSERT(*idx >= 0);
ASSERT(*idx <= nextents); ASSERT(*idx <= nextents);
/*
* This is the first extent added to a new/empty file.
* Special case this one, so other routines get to assume there are
* already extents in the list.
*/
if (nextents == 0) {
xfs_iext_insert(ip, *idx, 1, new,
whichfork == XFS_ATTR_FORK ? BMAP_ATTRFORK : 0);
ASSERT(cur == NULL);
if (!isnullstartblock(new->br_startblock)) {
XFS_IFORK_NEXT_SET(ip, whichfork, 1);
logflags = XFS_ILOG_CORE | xfs_ilog_fext(whichfork);
} else
logflags = 0;
}
/* /*
* Any kind of new delayed allocation goes here. * Any kind of new delayed allocation goes here.
*/ */
else if (isnullstartblock(new->br_startblock)) { if (isnullstartblock(new->br_startblock)) {
if (cur) if (cur)
ASSERT((cur->bc_private.b.flags & ASSERT((cur->bc_private.b.flags &
XFS_BTCUR_BPRV_WASDEL) == 0); XFS_BTCUR_BPRV_WASDEL) == 0);