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xfs: refactor accounting updates out of xfs_bmap_btalloc 

Move all the inode and quota accounting updates out of xfs_bmap_btalloc
in preparation for fixing some quota accounting problems with copy on
write.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This commit is contained in:
Darrick J. Wong 2018-01-25 13:58:13 -08:00
parent 22431bf3df
commit 751f3767c2
1 changed files with 17 additions and 13 deletions
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30
fs/xfs/libxfs/xfs_bmap.c
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@ -3337,6 +3337,22 @@ xfs_bmap_btalloc_filestreams(
return 0;
}
/* Update all inode and quota accounting for the allocation we just did. */
static void
xfs_bmap_btalloc_accounting(
struct xfs_bmalloca *ap,
struct xfs_alloc_arg *args)
{
if (!(ap->flags & XFS_BMAPI_COWFORK))
ap->ip->i_d.di_nblocks += args->len;
xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE);
if (ap->wasdel)
ap->ip->i_delayed_blks -= args->len;
xfs_trans_mod_dquot_byino(ap->tp, ap->ip,
ap->wasdel ? XFS_TRANS_DQ_DELBCOUNT : XFS_TRANS_DQ_BCOUNT,
args->len);
}
STATIC int
xfs_bmap_btalloc(
struct xfs_bmalloca *ap) /* bmap alloc argument struct */
@ -3571,19 +3587,7 @@ xfs_bmap_btalloc(
*ap->firstblock = args.fsbno;
ASSERT(nullfb || fb_agno <= args.agno);
ap->length = args.len;
if (!(ap->flags & XFS_BMAPI_COWFORK))
ap->ip->i_d.di_nblocks += args.len;
xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE);
if (ap->wasdel)
ap->ip->i_delayed_blks -= args.len;
/*
* Adjust the disk quota also. This was reserved
* earlier.
*/
xfs_trans_mod_dquot_byino(ap->tp, ap->ip,
ap->wasdel ? XFS_TRANS_DQ_DELBCOUNT :
XFS_TRANS_DQ_BCOUNT,
(long) args.len);
xfs_bmap_btalloc_accounting(ap, &args);
} else {
ap->blkno = NULLFSBLOCK;
ap->length = 0;