From 4800104438a4467ffa5ae1e51d5a59c0f64e5f9a Mon Sep 17 00:00:00 2001 From: Jeff Liu Date: Mon, 28 Jan 2013 21:27:04 +0800 Subject: xfs: calculate XFS_TRANS_QM_DQALLOC space log reservation at mount time The disk quota allocation log space reservation is calcuated at runtime, this patch does it at mount time. Signed-off-by: Jie Liu CC: Dave Chinner Reviewed-by: Mark Tinguely Signed-off-by: Ben Myers --- fs/xfs/xfs_trans.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'fs/xfs/xfs_trans.c') diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index 1838850de145..6dd2c043efcd 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -567,6 +567,20 @@ xfs_calc_qm_setqlim_reservation( return xfs_calc_buf_res(1, sizeof(struct xfs_disk_dquot)); } +/* + * Allocating quota on disk if needed. + * the write transaction log space: XFS_WRITE_LOG_RES(mp) + * the unit of quota allocation: one system block size + */ +STATIC uint +xfs_calc_qm_dqalloc_reservation( + struct xfs_mount *mp) +{ + return XFS_WRITE_LOG_RES(mp) + + xfs_calc_buf_res(1, + XFS_FSB_TO_B(mp, XFS_DQUOT_CLUSTER_SIZE_FSB) - 1); +} + /* * Initialize the precomputed transaction reservation values * in the mount structure. @@ -600,6 +614,7 @@ xfs_trans_init( 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); + resp->tr_qm_dqalloc = xfs_calc_qm_dqalloc_reservation(mp); } /* -- cgit v1.2.1