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xfs: calcuate XFS_TRANS_QM_SETQLIM space log reservation at mount time

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For adjusting quota limits transactions, we calculate out the log space
reservation at runtime, this patch does it at mount time.

Signed-off-by: Jie Liu <jeff.liu@oracle.com>
CC: Dave Chinner <david@fromorbit.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Jeff Liu
2013-01-28 21:26:49 +08:00
committed by Ben Myers
parent f910a8c620
commit f0f2df94fa
4 changed files with 17 additions and 2 deletions
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12
fs/xfs/xfs_trans.c
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@@ -556,6 +556,17 @@ xfs_calc_qm_sbchange_reservation(
return xfs_calc_buf_res(1, mp->m_sb.sb_sectsize);
}
/*
* Adjusting quota limits.
* the xfs_disk_dquot_t: sizeof(struct xfs_disk_dquot)
*/
STATIC uint
xfs_calc_qm_setqlim_reservation(
struct xfs_mount *mp)
{
return xfs_calc_buf_res(1, sizeof(struct xfs_disk_dquot));
}
/*
* Initialize the precomputed transaction reservation values
* in the mount structure.
@@ -588,6 +599,7 @@ xfs_trans_init(
resp->tr_growrtzero = xfs_calc_growrtzero_reservation(mp);
resp->tr_growrtfree = xfs_calc_growrtfree_reservation(mp);
resp->tr_qm_sbchange = xfs_calc_qm_sbchange_reservation(mp);
resp->tr_qm_setqlim = xfs_calc_qm_setqlim_reservation(mp);
}
/*