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-rw-r--r--drivers/md/md.c58
1 files changed, 24 insertions, 34 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 60835dfd058e..c842e34d850e 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3203,37 +3203,6 @@ void md_write_end(mddev_t *mddev)
}
}
-static inline void md_enter_safemode(mddev_t *mddev)
-{
- if (!mddev->safemode) return;
- if (mddev->safemode == 2 &&
- (atomic_read(&mddev->writes_pending) || mddev->in_sync ||
- mddev->recovery_cp != MaxSector))
- return; /* avoid the lock */
- mddev_lock_uninterruptible(mddev);
- if (mddev->safemode && !atomic_read(&mddev->writes_pending) &&
- !mddev->in_sync && mddev->recovery_cp == MaxSector) {
- mddev->in_sync = 1;
- md_update_sb(mddev);
- }
- mddev_unlock(mddev);
-
- if (mddev->safemode == 1)
- mddev->safemode = 0;
-}
-
-void md_handle_safemode(mddev_t *mddev)
-{
- if (signal_pending(current)) {
- printk(KERN_INFO "md: %s in immediate safe mode\n",
- mdname(mddev));
- mddev->safemode = 2;
- flush_signals(current);
- }
- md_enter_safemode(mddev);
-}
-
-
static DECLARE_WAIT_QUEUE_HEAD(resync_wait);
#define SYNC_MARKS 10
@@ -3449,7 +3418,6 @@ static void md_do_sync(mddev_t *mddev)
mddev->recovery_cp = MaxSector;
}
- md_enter_safemode(mddev);
skip:
mddev->curr_resync = 0;
wake_up(&resync_wait);
@@ -3490,14 +3458,37 @@ void md_check_recovery(mddev_t *mddev)
if (mddev->ro)
return;
+
+ if (signal_pending(current)) {
+ if (mddev->pers->sync_request) {
+ printk(KERN_INFO "md: %s in immediate safe mode\n",
+ mdname(mddev));
+ mddev->safemode = 2;
+ }
+ flush_signals(current);
+ }
+
if ( ! (
mddev->sb_dirty ||
test_bit(MD_RECOVERY_NEEDED, &mddev->recovery) ||
- test_bit(MD_RECOVERY_DONE, &mddev->recovery)
+ test_bit(MD_RECOVERY_DONE, &mddev->recovery) ||
+ (mddev->safemode == 1) ||
+ (mddev->safemode == 2 && ! atomic_read(&mddev->writes_pending)
+ && !mddev->in_sync && mddev->recovery_cp == MaxSector)
))
return;
+
if (mddev_trylock(mddev)==0) {
int spares =0;
+
+ if (mddev->safemode && !atomic_read(&mddev->writes_pending) &&
+ !mddev->in_sync && mddev->recovery_cp == MaxSector) {
+ mddev->in_sync = 1;
+ mddev->sb_dirty = 1;
+ }
+ if (mddev->safemode == 1)
+ mddev->safemode = 0;
+
if (mddev->sb_dirty)
md_update_sb(mddev);
if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) &&
@@ -3741,7 +3732,6 @@ EXPORT_SYMBOL(md_error);
EXPORT_SYMBOL(md_done_sync);
EXPORT_SYMBOL(md_write_start);
EXPORT_SYMBOL(md_write_end);
-EXPORT_SYMBOL(md_handle_safemode);
EXPORT_SYMBOL(md_register_thread);
EXPORT_SYMBOL(md_unregister_thread);
EXPORT_SYMBOL(md_wakeup_thread);