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| author | David Howells <dhowells@redhat.com> | 2007-04-27 15:26:30 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2007-04-27 15:26:30 -0700 |
| commit | 47051a2152f8b2355ee70249a0faaf7b682e8ce5 (patch) | |
| tree | cf144c4e220598df2ea414e8f7ef558afd91b269 /fs/afs | |
| parent | 1a028e50729b85d0a038fad13daf0ee201a37454 (diff) | |
| download | linux-stable-47051a2152f8b2355ee70249a0faaf7b682e8ce5.tar.gz linux-stable-47051a2152f8b2355ee70249a0faaf7b682e8ce5.tar.bz2 linux-stable-47051a2152f8b2355ee70249a0faaf7b682e8ce5.zip | |
[AFS]: Fix VLocation record update wakeup
Fix the wakeup transitions after a VLocation record update completes
one way or another. This builds on Dave Miller's partial fix.
Also move wakeups outside the spinlocked sections.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/afs')
| -rw-r--r-- | fs/afs/vlocation.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/fs/afs/vlocation.c b/fs/afs/vlocation.c index 74cce174882a..6c8e95a7c2c9 100644 --- a/fs/afs/vlocation.c +++ b/fs/afs/vlocation.c @@ -416,8 +416,8 @@ fill_in_record: goto error_abandon; spin_lock(&vl->lock); vl->state = AFS_VL_VALID; - wake_up(&vl->waitq); spin_unlock(&vl->lock); + wake_up(&vl->waitq); /* schedule for regular updates */ afs_vlocation_queue_for_updates(vl); @@ -442,7 +442,7 @@ found_in_memory: _debug("invalid [state %d]", state); - if ((state == AFS_VL_NEW || state == AFS_VL_NO_VOLUME)) { + if (state == AFS_VL_NEW || state == AFS_VL_NO_VOLUME) { vl->state = AFS_VL_CREATING; spin_unlock(&vl->lock); goto fill_in_record; @@ -453,11 +453,10 @@ found_in_memory: _debug("wait"); spin_unlock(&vl->lock); - ret = wait_event_interruptible( - vl->waitq, - vl->state == AFS_VL_NEW || - vl->state == AFS_VL_VALID || - vl->state == AFS_VL_NO_VOLUME); + ret = wait_event_interruptible(vl->waitq, + vl->state == AFS_VL_NEW || + vl->state == AFS_VL_VALID || + vl->state == AFS_VL_NO_VOLUME); if (ret < 0) goto error; spin_lock(&vl->lock); @@ -471,8 +470,8 @@ success: error_abandon: spin_lock(&vl->lock); vl->state = AFS_VL_NEW; - wake_up(&vl->waitq); spin_unlock(&vl->lock); + wake_up(&vl->waitq); error: ASSERT(vl != NULL); afs_put_vlocation(vl); @@ -675,7 +674,6 @@ static void afs_vlocation_updater(struct work_struct *work) case 0: afs_vlocation_apply_update(vl, &vldb); vl->state = AFS_VL_VALID; - wake_up(&vl->waitq); break; case -ENOMEDIUM: vl->state = AFS_VL_VOLUME_DELETED; @@ -685,6 +683,7 @@ static void afs_vlocation_updater(struct work_struct *work) break; } spin_unlock(&vl->lock); + wake_up(&vl->waitq); /* and then reschedule */ _debug("reschedule"); |