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author | Jeff Liu <jeff.liu@oracle.com> | 2013-01-28 21:27:25 +0800 |
---|---|---|
committer | Ben Myers <bpm@sgi.com> | 2013-02-01 14:46:35 -0600 |
commit | a7bd794a0f489a66ad595f2bcab0eac8f232e409 (patch) | |
tree | 70157837040a6839f2371955925952e994c4c2d1 /fs/xfs/xfs_trans.c | |
parent | 762d7ba657ed4a0934b4da7dcef058012f252e0f (diff) | |
download | linux-stable-a7bd794a0f489a66ad595f2bcab0eac8f232e409.tar.gz linux-stable-a7bd794a0f489a66ad595f2bcab0eac8f232e409.tar.bz2 linux-stable-a7bd794a0f489a66ad595f2bcab0eac8f232e409.zip |
xfs: introduce XFS_SB_LOG_RES() for transactions that modify sb on disk
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>
Diffstat (limited to 'fs/xfs/xfs_trans.c')
-rw-r--r-- | fs/xfs/xfs_trans.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index 84643fa5e465..72da2aa08421 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -606,6 +606,17 @@ xfs_calc_qm_quotaoff_end_reservation( } /* + * 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); } /* |