This a new tranaction which would be use for Changing AG state via ioctl(2)
Signed-off-by: Jie Liu <jeff.liu@xxxxxxxxxx>
---
fs/xfs/xfs_mount.h | 1 +
fs/xfs/xfs_trans.c | 12 ++++++++++++
fs/xfs/xfs_trans.h | 8 +++++---
3 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index deee09e..4fe2232 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -40,6 +40,7 @@ typedef struct xfs_trans_reservations {
uint tr_growrtalloc; /* grow realtime allocations */
uint tr_growrtzero; /* grow realtime zeroing */
uint tr_growrtfree; /* grow realtime freeing */
+ uint tr_setagstate; /* set a.g. state trans */
} xfs_trans_reservations_t;
#ifndef __KERNEL__
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 06ed520..5a5c4d8 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -531,6 +531,17 @@ xfs_calc_clear_agi_bucket_reservation(
}
/*
+ * Setting the state of an allocation group.
+ * agf of the ag: sector size
+ */
+STATIC uint
+xfs_calc_set_agstate_reservation(
+ struct xfs_mount *mp)
+{
+ return mp->m_sb.sb_sectsize + 128;
+}
+
+/*
* Initialize the precomputed transaction reservation values
* in the mount structure.
*/
@@ -561,6 +572,7 @@ xfs_trans_init(
resp->tr_growrtalloc = xfs_calc_growrtalloc_reservation(mp);
resp->tr_growrtzero = xfs_calc_growrtzero_reservation(mp);
resp->tr_growrtfree = xfs_calc_growrtfree_reservation(mp);
+ resp->tr_setagstate = xfs_calc_set_agstate_reservation(mp);
}
/*
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index db05654..a4f4092 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -107,7 +107,8 @@ typedef struct xfs_trans_header {
#define XFS_TRANS_SWAPEXT 40
#define XFS_TRANS_SB_COUNT 41
#define XFS_TRANS_CHECKPOINT 42
-#define XFS_TRANS_TYPE_MAX 42
+#define XFS_TRANS_SET_AGSTATE 43
+#define XFS_TRANS_TYPE_MAX 43
/* new transaction types need to be reflected in xfs_logprint(8) */
#define XFS_TRANS_TYPES \
@@ -152,7 +153,8 @@ typedef struct xfs_trans_header {
{ XFS_TRANS_CHECKPOINT, "CHECKPOINT" }, \
{ XFS_TRANS_DUMMY1, "DUMMY1" }, \
{ XFS_TRANS_DUMMY2, "DUMMY2" }, \
- { XLOG_UNMOUNT_REC_TYPE, "UNMOUNT" }
+ { XLOG_UNMOUNT_REC_TYPE, "UNMOUNT" }, \
+ { XFS_TRANS_SET_AGSTATE, "SET_AGSTATE" }
/*
* This structure is used to track log items associated with
@@ -262,7 +264,7 @@ struct xfs_log_item_desc {
(128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))))
#define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm)
#define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi)
-
+#define XFS_SETAGSTATE_LOG_RES ((mp)->m_reservations.tr_setagstate)
/*
* Various log count values.
--
1.7.4.1
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