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authorDavid S. Miller <davem@davemloft.net>2020-03-13 07:29:30 +0300
committerDavid S. Miller <davem@davemloft.net>2020-03-13 08:34:48 +0300
commit1d343579312311aa9875b34d5a921f5e2ec69f0a (patch)
tree64b636b5557d92f5266187f035dac34862db86d5 /fs/locks.c
parenta8eceea84a3a3504e42f6495cf462027c5d19cb0 (diff)
parent0d81a3f29c0afb18ba2b1275dcccf21e0dd4da38 (diff)
downloadlinux-1d343579312311aa9875b34d5a921f5e2ec69f0a.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Minor overlapping changes, nothing serious. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/locks.c')
-rw-r--r--fs/locks.c14
1 files changed, 0 insertions, 14 deletions
diff --git a/fs/locks.c b/fs/locks.c
index 44b6da032842..426b55d333d5 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -753,20 +753,6 @@ int locks_delete_block(struct file_lock *waiter)
{
int status = -ENOENT;
- /*
- * If fl_blocker is NULL, it won't be set again as this thread
- * "owns" the lock and is the only one that might try to claim
- * the lock. So it is safe to test fl_blocker locklessly.
- * Also if fl_blocker is NULL, this waiter is not listed on
- * fl_blocked_requests for some lock, so no other request can
- * be added to the list of fl_blocked_requests for this
- * request. So if fl_blocker is NULL, it is safe to
- * locklessly check if fl_blocked_requests is empty. If both
- * of these checks succeed, there is no need to take the lock.
- */
- if (waiter->fl_blocker == NULL &&
- list_empty(&waiter->fl_blocked_requests))
- return status;
spin_lock(&blocked_lock_lock);
if (waiter->fl_blocker)
status = 0;