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authorDavid Chinner <david@fromorbit.com>2008-10-30 17:39:58 +1100
committerLachlan McIlroy <lachlan@sgi.com>2008-10-30 17:39:58 +1100
commit783a2f656f9674c31d4019708a94af93fa1d1c22 (patch)
tree7ac2123b187c0522dbd8a0d94de3856b33147c46 /fs/xfs/xfs_trans_ail.c
parentfc1829f34d30899701dfd5890030d39e13e1f47d (diff)
[XFS] Finish removing the mount pointer from the AIL API
Change all the remaining AIL API functions that are passed struct xfs_mount pointers to pass pointers directly to the struct xfs_ail being used. With this conversion, all external access to the AIL is via the struct xfs_ail. Hence the operation and referencing of the AIL is almost entirely independent of the xfs_mount that is using it - it is now much more tightly tied to the log and the items it is tracking in the log than it is tied to the xfs_mount. SGI-PV: 988143 SGI-Modid: xfs-linux-melb:xfs-kern:32353a Signed-off-by: David Chinner <david@fromorbit.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org>
Diffstat (limited to 'fs/xfs/xfs_trans_ail.c')
-rw-r--r--fs/xfs/xfs_trans_ail.c41
1 files changed, 21 insertions, 20 deletions
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index 0cd47a797d32..67ee4663336c 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -86,16 +86,16 @@ xfs_trans_ail_tail(
* any of the objects, so the lock is not needed.
*/
void
-xfs_trans_push_ail(
- xfs_mount_t *mp,
- xfs_lsn_t threshold_lsn)
+xfs_trans_ail_push(
+ struct xfs_ail *ailp,
+ xfs_lsn_t threshold_lsn)
{
- xfs_log_item_t *lip;
+ xfs_log_item_t *lip;
- lip = xfs_ail_min(mp->m_ail);
- if (lip && !XFS_FORCED_SHUTDOWN(mp)) {
- if (XFS_LSN_CMP(threshold_lsn, mp->m_ail->xa_target) > 0)
- xfsaild_wakeup(mp->m_ail, threshold_lsn);
+ lip = xfs_ail_min(ailp);
+ if (lip && !XFS_FORCED_SHUTDOWN(ailp->xa_mount)) {
+ if (XFS_LSN_CMP(threshold_lsn, ailp->xa_target) > 0)
+ xfsaild_wakeup(ailp, threshold_lsn);
}
}
@@ -412,7 +412,7 @@ xfsaild_push(
*/
void
xfs_trans_unlocked_item(
- xfs_mount_t *mp,
+ struct xfs_ail *ailp,
xfs_log_item_t *lip)
{
xfs_log_item_t *min_lip;
@@ -424,7 +424,7 @@ xfs_trans_unlocked_item(
* over some potentially valid data.
*/
if (!(lip->li_flags & XFS_LI_IN_AIL) ||
- XFS_FORCED_SHUTDOWN(mp)) {
+ XFS_FORCED_SHUTDOWN(ailp->xa_mount)) {
return;
}
@@ -440,10 +440,10 @@ xfs_trans_unlocked_item(
* the call to xfs_log_move_tail() doesn't do anything if there's
* not enough free space to wake people up so we're safe calling it.
*/
- min_lip = xfs_ail_min(mp->m_ail);
+ min_lip = xfs_ail_min(ailp);
if (min_lip == lip)
- xfs_log_move_tail(mp, 1);
+ xfs_log_move_tail(ailp->xa_mount, 1);
} /* xfs_trans_unlocked_item */
@@ -460,12 +460,11 @@ xfs_trans_unlocked_item(
* is dropped before returning.
*/
void
-xfs_trans_update_ail(
- xfs_mount_t *mp,
+xfs_trans_ail_update(
+ struct xfs_ail *ailp,
xfs_log_item_t *lip,
xfs_lsn_t lsn) __releases(ailp->xa_lock)
{
- struct xfs_ail *ailp = mp->m_ail;
xfs_log_item_t *dlip = NULL;
xfs_log_item_t *mlip; /* ptr to minimum lip */
@@ -485,7 +484,7 @@ xfs_trans_update_ail(
if (mlip == dlip) {
mlip = xfs_ail_min(ailp);
spin_unlock(&ailp->xa_lock);
- xfs_log_move_tail(mp, mlip->li_lsn);
+ xfs_log_move_tail(ailp->xa_mount, mlip->li_lsn);
} else {
spin_unlock(&ailp->xa_lock);
}
@@ -509,11 +508,10 @@ xfs_trans_update_ail(
* is dropped before returning.
*/
void
-xfs_trans_delete_ail(
- xfs_mount_t *mp,
+xfs_trans_ail_delete(
+ struct xfs_ail *ailp,
xfs_log_item_t *lip) __releases(ailp->xa_lock)
{
- struct xfs_ail *ailp = mp->m_ail;
xfs_log_item_t *dlip;
xfs_log_item_t *mlip;
@@ -530,7 +528,8 @@ xfs_trans_delete_ail(
if (mlip == dlip) {
mlip = xfs_ail_min(ailp);
spin_unlock(&ailp->xa_lock);
- xfs_log_move_tail(mp, (mlip ? mlip->li_lsn : 0));
+ xfs_log_move_tail(ailp->xa_mount,
+ (mlip ? mlip->li_lsn : 0));
} else {
spin_unlock(&ailp->xa_lock);
}
@@ -540,6 +539,8 @@ xfs_trans_delete_ail(
* If the file system is not being shutdown, we are in
* serious trouble if we get to this stage.
*/
+ struct xfs_mount *mp = ailp->xa_mount;
+
spin_unlock(&ailp->xa_lock);
if (!XFS_FORCED_SHUTDOWN(mp)) {
xfs_cmn_err(XFS_PTAG_AILDELETE, CE_ALERT, mp,