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| author | Jeff Liu <jeff.liu@oracle.com> | 2013-01-28 21:27:15 +0800 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2013-02-01 14:44:29 -0600 |
| commit | a1bd9557544d59140c4ac87fe405069b9e1aaf99 (patch) | |
| tree | 5eb50503490c1882d7c15afc05a9260ee54d23ae /fs | |
| parent | 4800104438a4467ffa5ae1e51d5a59c0f64e5f9a (diff) | |
| download | op-kernel-dev-a1bd9557544d59140c4ac87fe405069b9e1aaf99.zip op-kernel-dev-a1bd9557544d59140c4ac87fe405069b9e1aaf99.tar.gz | |
xfs: calculate XFS_TRANS_QM_QUOTAOFF space log reservation at mount time
Convert the calculation of quota off transaction log space reservation
from runtime to 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>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/xfs/xfs_mount.h | 1 | ||||
| -rw-r--r-- | fs/xfs/xfs_qm_syscalls.c | 10 | ||||
| -rw-r--r-- | fs/xfs/xfs_trans.c | 14 | ||||
| -rw-r--r-- | fs/xfs/xfs_trans.h | 1 |
4 files changed, 19 insertions, 7 deletions
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index fc500c6..4f5e148 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -43,6 +43,7 @@ typedef struct xfs_trans_reservations { uint tr_qm_sbchange; /* change quota flags */ uint tr_qm_setqlim; /* adjust quota limits */ uint tr_qm_dqalloc; /* allocate quota on disk */ + uint tr_qm_quotaoff; /* turn quota off */ } xfs_trans_reservations_t; #ifndef __KERNEL__ diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c index 1476b6f..4605f89 100644 --- a/fs/xfs/xfs_qm_syscalls.c +++ b/fs/xfs/xfs_qm_syscalls.c @@ -672,14 +672,10 @@ xfs_qm_log_quotaoff( uint oldsbqflag=0; tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF); - if ((error = xfs_trans_reserve(tp, 0, - sizeof(xfs_qoff_logitem_t) * 2 + - mp->m_sb.sb_sectsize + 128, - 0, - 0, - XFS_DEFAULT_LOG_COUNT))) { + error = xfs_trans_reserve(tp, 0, XFS_QM_QUOTAOFF_LOG_RES(mp), + 0, 0, XFS_DEFAULT_LOG_COUNT); + if (error) goto error0; - } qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); xfs_trans_log_quotaoff_item(tp, qoffi); diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index 6dd2c04..a557c82 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -582,6 +582,19 @@ xfs_calc_qm_dqalloc_reservation( } /* + * Turning off quotas. + * the xfs_qoff_logitem_t: sizeof(struct xfs_qoff_logitem) * 2 + * the superblock for the quota flags: sector size + */ +STATIC uint +xfs_calc_qm_quotaoff_reservation( + struct xfs_mount *mp) +{ + return sizeof(struct xfs_qoff_logitem) * 2 + + xfs_calc_buf_res(1, mp->m_sb.sb_sectsize); +} + +/* * Initialize the precomputed transaction reservation values * in the mount structure. */ @@ -615,6 +628,7 @@ xfs_trans_init( 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); + resp->tr_qm_quotaoff = xfs_calc_qm_quotaoff_reservation(mp); } /* diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index 04575db..1e103da 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -265,6 +265,7 @@ struct xfs_log_item_desc { #define XFS_QM_SBCHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_qm_sbchange) #define XFS_QM_SETQLIM_LOG_RES(mp) ((mp)->m_reservations.tr_qm_setqlim) #define XFS_QM_DQALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_qm_dqalloc) +#define XFS_QM_QUOTAOFF_LOG_RES(mp) ((mp)->m_reservations.tr_qm_quotaoff) /* * Various log count values. |
