[PATCH v3 27/47] filelock: clean up locks_delete_block internals
From: Jeff Layton <jlayton@kernel.org>
Date: 2024-01-31 23:04:03
Also in:
ceph-devel, gfs2, linux-cifs, linux-fsdevel, linux-nfs, lkml, ocfs2-devel, v9fs
Subsystem:
file locking (flock() and fcntl()/lockf()), filesystems (vfs and infrastructure), the rest · Maintainers:
Jeff Layton, Chuck Lever, Alexander Viro, Christian Brauner, Linus Torvalds
Rework the internals of locks_delete_block to use struct file_lock_core (mostly just for clarity's sake). The prototype is not changed. Signed-off-by: Jeff Layton <jlayton@kernel.org> --- fs/locks.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/fs/locks.c b/fs/locks.c
index 0aa1c94671cd..a2be1e0b5a94 100644
--- a/fs/locks.c
+++ b/fs/locks.c@@ -697,9 +697,10 @@ static void __locks_wake_up_blocks(struct file_lock_core *blocker) * * lockd/nfsd need to disconnect the lock while working on it. */ -int locks_delete_block(struct file_lock *waiter) +int locks_delete_block(struct file_lock *waiter_fl) { int status = -ENOENT; + struct file_lock_core *waiter = &waiter_fl->c; /* * If fl_blocker is NULL, it won't be set again as this thread "owns"
@@ -722,21 +723,21 @@ int locks_delete_block(struct file_lock *waiter) * no new locks can be inserted into its fl_blocked_requests list, and * can avoid doing anything further if the list is empty. */ - if (!smp_load_acquire(&waiter->c.flc_blocker) && - list_empty(&waiter->c.flc_blocked_requests)) + if (!smp_load_acquire(&waiter->flc_blocker) && + list_empty(&waiter->flc_blocked_requests)) return status; spin_lock(&blocked_lock_lock); - if (waiter->c.flc_blocker) + if (waiter->flc_blocker) status = 0; - __locks_wake_up_blocks(&waiter->c); - __locks_delete_block(&waiter->c); + __locks_wake_up_blocks(waiter); + __locks_delete_block(waiter); /* * The setting of fl_blocker to NULL marks the "done" point in deleting * a block. Paired with acquire at the top of this function. */ - smp_store_release(&waiter->c.flc_blocker, NULL); + smp_store_release(&waiter->flc_blocker, NULL); spin_unlock(&blocked_lock_lock); return status; }
--
2.43.0