lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

xfs: introduce XFS_SB_LOG_RES() for transactions that modify sb on disk

Browse Source 
Introduce a new transaction space reservation XFS_SB_LOG_RES() for
those transactions that need to modify the superblock on disk.

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 21:27:25 +08:00
committed by Ben Myers
parent 762d7ba657
commit a7bd794a0f
3 changed files with 14 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
fs/xfs/xfs_trans.c
View File

@@ -605,6 +605,17 @@ xfs_calc_qm_quotaoff_end_reservation(
return sizeof(struct xfs_qoff_logitem) * 2;
}
/*
* Syncing the incore super block changes to disk.
* the super block to reflect the changes: sector size
*/
STATIC uint
xfs_calc_sb_reservation(
struct xfs_mount *mp)
{
return xfs_calc_buf_res(1, mp->m_sb.sb_sectsize);
}
/*
* Initialize the precomputed transaction reservation values
* in the mount structure.
@@ -641,6 +652,7 @@ xfs_trans_init(
resp->tr_qm_dqalloc = xfs_calc_qm_dqalloc_reservation(mp);
resp->tr_qm_quotaoff = xfs_calc_qm_quotaoff_reservation(mp);
resp->tr_qm_equotaoff = xfs_calc_qm_quotaoff_end_reservation(mp);
resp->tr_sb = xfs_calc_sb_reservation(mp);
}
/*