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authorDavid S. Miller <davem@davemloft.net>2019-03-27 17:37:58 -0700
committerDavid S. Miller <davem@davemloft.net>2019-03-27 17:37:58 -0700
commit356d71e00d278d865f8c7f68adebd6ce4698a7e2 (patch)
tree8cb2dabf7440b56c6dee76b4253210c6b603b98e /fs/locks.c
parentdf453700e8d81b1bdafdf684365ee2b9431fb702 (diff)
parent1a9df9e29c2afecf6e3089442d429b377279ca3c (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'fs/locks.c')
-rw-r--r--fs/locks.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/locks.c b/fs/locks.c
index eaa1cfaf73b0..71d0c6c2aac5 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1160,6 +1160,11 @@ static int posix_lock_inode(struct inode *inode, struct file_lock *request,
*/
error = -EDEADLK;
spin_lock(&blocked_lock_lock);
+ /*
+ * Ensure that we don't find any locks blocked on this
+ * request during deadlock detection.
+ */
+ __locks_wake_up_blocks(request);
if (likely(!posix_locks_deadlock(request, fl))) {
error = FILE_LOCK_DEFERRED;
__locks_insert_block(fl, request,