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xfs: cleanup xfs_log_space_wake 

Remove the now unused opportunistic parameter, and use the the
xlog_writeq_wake and xlog_reserveq_wake helpers now that we don't have
to care about the opportunistic wakeups.

Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Christoph Hellwig 2012-02-20 02:31:23 +00:00 committed by Ben Myers
parent 5b03ff1b24
commit cfb7cdca0a
3 changed files with 8 additions and 34 deletions
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35
fs/xfs/xfs_log.c
View File

@ -762,18 +762,13 @@ xfs_log_item_init(
/*
* Wake up processes waiting for log space after we have moved the log tail.
*
* If opportunistic is set wake up one waiter even if we do not have enough
* free space by our strict accounting.
*/
void
xfs_log_space_wake(
struct xfs_mount *mp,
bool opportunistic)
struct xfs_mount *mp)
{
struct xlog_ticket *tic;
struct log *log = mp->m_log;
int need_bytes, free_bytes;
int free_bytes;
if (XLOG_FORCED_SHUTDOWN(log))
return;
@ -783,16 +778,7 @@ xfs_log_space_wake(
spin_lock(&log->l_grant_write_lock);
free_bytes = xlog_space_left(log, &log->l_grant_write_head);
list_for_each_entry(tic, &log->l_writeq, t_queue) {
ASSERT(tic->t_flags & XLOG_TIC_PERM_RESERV);
if (free_bytes < tic->t_unit_res && !opportunistic)
break;
opportunistic = false;
free_bytes -= tic->t_unit_res;
trace_xfs_log_regrant_write_wake_up(log, tic);
wake_up(&tic->t_wait);
}
xlog_writeq_wake(log, &free_bytes);
spin_unlock(&log->l_grant_write_lock);
}
@ -801,18 +787,7 @@ xfs_log_space_wake(
spin_lock(&log->l_grant_reserve_lock);
free_bytes = xlog_space_left(log, &log->l_grant_reserve_head);
list_for_each_entry(tic, &log->l_reserveq, t_queue) {
if (tic->t_flags & XLOG_TIC_PERM_RESERV)
need_bytes = tic->t_unit_res*tic->t_cnt;
else
need_bytes = tic->t_unit_res;
if (free_bytes < need_bytes && !opportunistic)
break;
opportunistic = false;
free_bytes -= need_bytes;
trace_xfs_log_grant_wake_up(log, tic);
wake_up(&tic->t_wait);
}
xlog_reserveq_wake(log, &free_bytes);
spin_unlock(&log->l_grant_reserve_lock);
}
}
@ -2748,7 +2723,7 @@ xlog_ungrant_log_space(xlog_t *log,
trace_xfs_log_ungrant_exit(log, ticket);
xfs_log_space_wake(log->l_mp, false);
xfs_log_space_wake(log->l_mp);
}
/*

3
fs/xfs/xfs_log.h
View File

@ -161,8 +161,7 @@ int xfs_log_mount(struct xfs_mount *mp,
int num_bblocks);
int xfs_log_mount_finish(struct xfs_mount *mp);
xfs_lsn_t xlog_assign_tail_lsn(struct xfs_mount *mp);
void xfs_log_space_wake(struct xfs_mount *mp,
bool opportunistic);
void xfs_log_space_wake(struct xfs_mount *mp);
int xfs_log_notify(struct xfs_mount *mp,
struct xlog_in_core *iclog,
xfs_log_callback_t *callback_entry);

4
fs/xfs/xfs_trans_ail.c
View File

@ -671,7 +671,7 @@ xfs_trans_ail_update_bulk(
if (mlip_changed && !XFS_FORCED_SHUTDOWN(ailp->xa_mount)) {
xlog_assign_tail_lsn(ailp->xa_mount);
xfs_log_space_wake(ailp->xa_mount, false);
xfs_log_space_wake(ailp->xa_mount);
}
}
@ -733,7 +733,7 @@ xfs_trans_ail_delete_bulk(
if (mlip_changed && !XFS_FORCED_SHUTDOWN(ailp->xa_mount)) {
xlog_assign_tail_lsn(ailp->xa_mount);
xfs_log_space_wake(ailp->xa_mount, false);
xfs_log_space_wake(ailp->xa_mount);
}
}