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xfs: add xlog_grant_head_wake_all

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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 02:31:27 +00:00 committed by Ben Myers
parent c303c5b8c3
commit a79bf2d75b
1 changed files with 14 additions and 10 deletions
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24
fs/xfs/xfs_log.c
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@ -159,6 +159,18 @@ xlog_grant_head_init(
spin_lock_init(&head->lock); spin_lock_init(&head->lock);
} }
STATIC void
xlog_grant_head_wake_all(
struct xlog_grant_head *head)
{
struct xlog_ticket *tic;
spin_lock(&head->lock);
list_for_each_entry(tic, &head->waiters, t_queue)
wake_up_process(tic->t_task);
spin_unlock(&head->lock);
}
STATIC bool STATIC bool
xlog_reserveq_wake( xlog_reserveq_wake(
struct log *log, struct log *log,
@ -3557,7 +3569,6 @@ xfs_log_force_umount(
struct xfs_mount *mp, struct xfs_mount *mp,
int logerror) int logerror)
{ {
xlog_ticket_t *tic;
xlog_t *log; xlog_t *log;
int retval; int retval;
@ -3625,15 +3636,8 @@ xfs_log_force_umount(
* we don't enqueue anything once the SHUTDOWN flag is set, and this * we don't enqueue anything once the SHUTDOWN flag is set, and this
* action is protected by the grant locks. * action is protected by the grant locks.
*/ */
spin_lock(&log->l_reserve_head.lock); xlog_grant_head_wake_all(&log->l_reserve_head);
list_for_each_entry(tic, &log->l_reserve_head.waiters, t_queue) xlog_grant_head_wake_all(&log->l_write_head);
wake_up_process(tic->t_task);
spin_unlock(&log->l_reserve_head.lock);
spin_lock(&log->l_write_head.lock);
list_for_each_entry(tic, &log->l_write_head.waiters, t_queue)
wake_up_process(tic->t_task);
spin_unlock(&log->l_write_head.lock);
if (!(log->l_iclog->ic_state & XLOG_STATE_IOERROR)) { if (!(log->l_iclog->ic_state & XLOG_STATE_IOERROR)) {
ASSERT(!logerror); ASSERT(!logerror);