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authorNeilBrown <neilb@suse.com>2018-11-30 10:04:08 +1100
committerJeff Layton <jlayton@kernel.org>2018-11-30 11:26:12 -0500
commitad6bbd8b18dad182a7e91d7826e27e9a64d935f9 (patch)
treedd243c664f70c1293013824b8557595aa91409ed /fs/locks.c
parentada5c1da8660ecae24b3e75c18ee77d79e099fee (diff)
downloadlinux-ad6bbd8b18dad182a7e91d7826e27e9a64d935f9.tar.bz2
fs/locks: split out __locks_wake_up_blocks().
This functionality will be useful in future patches, so split it out from locks_wake_up_blocks(). Signed-off-by: NeilBrown <neilb@suse.com> Reviewed-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Jeff Layton <jlayton@kernel.org>
Diffstat (limited to 'fs/locks.c')
-rw-r--r--fs/locks.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/fs/locks.c b/fs/locks.c
index c6df0c8b3d13..6adb22a21a92 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -672,6 +672,21 @@ static void __locks_delete_block(struct file_lock *waiter)
waiter->fl_blocker = NULL;
}
+static void __locks_wake_up_blocks(struct file_lock *blocker)
+{
+ while (!list_empty(&blocker->fl_blocked_requests)) {
+ struct file_lock *waiter;
+
+ waiter = list_first_entry(&blocker->fl_blocked_requests,
+ struct file_lock, fl_blocked_member);
+ __locks_delete_block(waiter);
+ if (waiter->fl_lmops && waiter->fl_lmops->lm_notify)
+ waiter->fl_lmops->lm_notify(waiter);
+ else
+ wake_up(&waiter->fl_wait);
+ }
+}
+
static void locks_delete_block(struct file_lock *waiter)
{
spin_lock(&blocked_lock_lock);
@@ -727,17 +742,7 @@ static void locks_wake_up_blocks(struct file_lock *blocker)
return;
spin_lock(&blocked_lock_lock);
- while (!list_empty(&blocker->fl_blocked_requests)) {
- struct file_lock *waiter;
-
- waiter = list_first_entry(&blocker->fl_blocked_requests,
- struct file_lock, fl_blocked_member);
- __locks_delete_block(waiter);
- if (waiter->fl_lmops && waiter->fl_lmops->lm_notify)
- waiter->fl_lmops->lm_notify(waiter);
- else
- wake_up(&waiter->fl_wait);
- }
+ __locks_wake_up_blocks(blocker);
spin_unlock(&blocked_lock_lock);
}