diff options
Diffstat (limited to 'fs/xfs/xfs_trans_ail.c')
| -rw-r--r-- | fs/xfs/xfs_trans_ail.c | 52 |
1 files changed, 23 insertions, 29 deletions
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c index 5b2ff59f19cf..2d3c297259c2 100644 --- a/fs/xfs/xfs_trans_ail.c +++ b/fs/xfs/xfs_trans_ail.c @@ -55,16 +55,15 @@ xfs_trans_tail_ail( { xfs_lsn_t lsn; xfs_log_item_t *lip; - SPLDECL(s); - AIL_LOCK(mp,s); + spin_lock(&mp->m_ail_lock); lip = xfs_ail_min(&(mp->m_ail)); if (lip == NULL) { lsn = (xfs_lsn_t)0; } else { lsn = lip->li_lsn; } - AIL_UNLOCK(mp, s); + spin_unlock(&mp->m_ail_lock); return lsn; } @@ -89,17 +88,16 @@ xfs_trans_push_ail( int restarts; int lock_result; int flush_log; - SPLDECL(s); #define XFS_TRANS_PUSH_AIL_RESTARTS 1000 - AIL_LOCK(mp,s); + spin_lock(&mp->m_ail_lock); lip = xfs_trans_first_ail(mp, &gen); if (lip == NULL || XFS_FORCED_SHUTDOWN(mp)) { /* * Just return if the AIL is empty. */ - AIL_UNLOCK(mp, s); + spin_unlock(&mp->m_ail_lock); return (xfs_lsn_t)0; } @@ -112,7 +110,7 @@ xfs_trans_push_ail( * beginning of the list. We'd like not to stop until we've at least * tried to push on everything in the AIL with an LSN less than * the given threshold. However, we may give up before that if - * we realize that we've been holding the AIL_LOCK for 'too long', + * we realize that we've been holding the AIL lock for 'too long', * blocking interrupts. Currently, too long is < 500us roughly. */ flush_log = 0; @@ -136,14 +134,14 @@ xfs_trans_push_ail( lock_result = IOP_TRYLOCK(lip); switch (lock_result) { case XFS_ITEM_SUCCESS: - AIL_UNLOCK(mp, s); + spin_unlock(&mp->m_ail_lock); XFS_STATS_INC(xs_push_ail_success); IOP_PUSH(lip); - AIL_LOCK(mp,s); + spin_lock(&mp->m_ail_lock); break; case XFS_ITEM_PUSHBUF: - AIL_UNLOCK(mp, s); + spin_unlock(&mp->m_ail_lock); XFS_STATS_INC(xs_push_ail_pushbuf); #ifdef XFSRACEDEBUG delay_for_intr(); @@ -152,7 +150,7 @@ xfs_trans_push_ail( ASSERT(lip->li_ops->iop_pushbuf); ASSERT(lip); IOP_PUSHBUF(lip); - AIL_LOCK(mp,s); + spin_lock(&mp->m_ail_lock); break; case XFS_ITEM_PINNED: @@ -181,7 +179,7 @@ xfs_trans_push_ail( /* * Just return if we shut down during the last try. */ - AIL_UNLOCK(mp, s); + spin_unlock(&mp->m_ail_lock); return (xfs_lsn_t)0; } @@ -193,10 +191,10 @@ xfs_trans_push_ail( * push out the log so it will become unpinned and * move forward in the AIL. */ - AIL_UNLOCK(mp, s); + spin_unlock(&mp->m_ail_lock); XFS_STATS_INC(xs_push_ail_flush); xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE); - AIL_LOCK(mp, s); + spin_lock(&mp->m_ail_lock); } lip = xfs_ail_min(&(mp->m_ail)); @@ -206,7 +204,7 @@ xfs_trans_push_ail( lsn = lip->li_lsn; } - AIL_UNLOCK(mp, s); + spin_unlock(&mp->m_ail_lock); return lsn; } /* xfs_trans_push_ail */ @@ -269,15 +267,13 @@ xfs_trans_unlocked_item( * has changed. * * This function must be called with the AIL lock held. The lock - * is dropped before returning, so the caller must pass in the - * cookie returned by AIL_LOCK. + * is dropped before returning. */ void xfs_trans_update_ail( xfs_mount_t *mp, xfs_log_item_t *lip, - xfs_lsn_t lsn, - unsigned long s) __releases(mp->m_ail_lock) + xfs_lsn_t lsn) __releases(mp->m_ail_lock) { xfs_ail_entry_t *ailp; xfs_log_item_t *dlip=NULL; @@ -300,10 +296,10 @@ xfs_trans_update_ail( if (mlip == dlip) { mlip = xfs_ail_min(&(mp->m_ail)); - AIL_UNLOCK(mp, s); + spin_unlock(&mp->m_ail_lock); xfs_log_move_tail(mp, mlip->li_lsn); } else { - AIL_UNLOCK(mp, s); + spin_unlock(&mp->m_ail_lock); } @@ -322,14 +318,12 @@ xfs_trans_update_ail( * has changed. * * This function must be called with the AIL lock held. The lock - * is dropped before returning, so the caller must pass in the - * cookie returned by AIL_LOCK. + * is dropped before returning. */ void xfs_trans_delete_ail( xfs_mount_t *mp, - xfs_log_item_t *lip, - unsigned long s) __releases(mp->m_ail_lock) + xfs_log_item_t *lip) __releases(mp->m_ail_lock) { xfs_ail_entry_t *ailp; xfs_log_item_t *dlip; @@ -348,10 +342,10 @@ xfs_trans_delete_ail( if (mlip == dlip) { mlip = xfs_ail_min(&(mp->m_ail)); - AIL_UNLOCK(mp, s); + spin_unlock(&mp->m_ail_lock); xfs_log_move_tail(mp, (mlip ? mlip->li_lsn : 0)); } else { - AIL_UNLOCK(mp, s); + spin_unlock(&mp->m_ail_lock); } } else { @@ -360,12 +354,12 @@ xfs_trans_delete_ail( * serious trouble if we get to this stage. */ if (XFS_FORCED_SHUTDOWN(mp)) - AIL_UNLOCK(mp, s); + spin_unlock(&mp->m_ail_lock); else { xfs_cmn_err(XFS_PTAG_AILDELETE, CE_ALERT, mp, "%s: attempting to delete a log item that is not in the AIL", __FUNCTION__); - AIL_UNLOCK(mp, s); + spin_unlock(&mp->m_ail_lock); xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); } } |