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xfs: pull up stack_switch check into xfs_bmapi_write 

The stack_switch check currently occurs in __xfs_bmapi_allocate,
which means the stack switch only occurs when xfs_bmapi_allocate()
is called in a loop. Pull the check up before the loop in
xfs_bmapi_write() such that the first iteration of the loop has
consistent behavior.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
hifive-unleashed-5.1
Brian Foster 2013-01-17 13:11:29 -05:00 committed by Ben Myers
parent 1bee12b8c4
commit d26978dd86
1 changed files with 3 additions and 3 deletions
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6
fs/xfs/xfs_bmap.c
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@ -4680,9 +4680,6 @@ __xfs_bmapi_allocate(
return error;
}
if (bma->flags & XFS_BMAPI_STACK_SWITCH)
bma->stack_switch = 1;
error = xfs_bmap_alloc(bma);
if (error)
return error;
@ -4956,6 +4953,9 @@ xfs_bmapi_write(
bma.flist = flist;
bma.firstblock = firstblock;
if (flags & XFS_BMAPI_STACK_SWITCH)
bma.stack_switch = 1;
while (bno < end && n < *nmap) {
inhole = eof || bma.got.br_startoff > bno;
wasdelay = !inhole && isnullstartblock(bma.got.br_startblock);