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| author | David Howells <dhowells@redhat.com> | 2009-11-19 18:10:23 +0000 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2009-11-19 18:10:23 +0000 |
| commit | 3d7a641e544e428191667e8b1f83f96fa46dbd65 (patch) | |
| tree | 172aa672eca96b94f5531885b82abb82b43c7d8a /fs/fscache | |
| parent | 66b00a7c93ec782d118d2c03bd599cfd041e80a1 (diff) | |
| download | lwn-3d7a641e544e428191667e8b1f83f96fa46dbd65.tar.gz lwn-3d7a641e544e428191667e8b1f83f96fa46dbd65.zip | |
SLOW_WORK: Wait for outstanding work items belonging to a module to clear
Wait for outstanding slow work items belonging to a module to clear when
unregistering that module as a user of the facility. This prevents the put_ref
code of a work item from being taken away before it returns.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/fscache')
| -rw-r--r-- | fs/fscache/main.c | 6 | ||||
| -rw-r--r-- | fs/fscache/object.c | 1 | ||||
| -rw-r--r-- | fs/fscache/operation.c | 1 |
3 files changed, 5 insertions, 3 deletions
diff --git a/fs/fscache/main.c b/fs/fscache/main.c index 4de41b597499..add6bdb53f04 100644 --- a/fs/fscache/main.c +++ b/fs/fscache/main.c @@ -48,7 +48,7 @@ static int __init fscache_init(void) { int ret; - ret = slow_work_register_user(); + ret = slow_work_register_user(THIS_MODULE); if (ret < 0) goto error_slow_work; @@ -80,7 +80,7 @@ error_kobj: error_cookie_jar: fscache_proc_cleanup(); error_proc: - slow_work_unregister_user(); + slow_work_unregister_user(THIS_MODULE); error_slow_work: return ret; } @@ -97,7 +97,7 @@ static void __exit fscache_exit(void) kobject_put(fscache_root); kmem_cache_destroy(fscache_cookie_jar); fscache_proc_cleanup(); - slow_work_unregister_user(); + slow_work_unregister_user(THIS_MODULE); printk(KERN_NOTICE "FS-Cache: Unloaded\n"); } diff --git a/fs/fscache/object.c b/fs/fscache/object.c index 392a41b1b79d..d236eb1d6f37 100644 --- a/fs/fscache/object.c +++ b/fs/fscache/object.c @@ -45,6 +45,7 @@ static void fscache_enqueue_dependents(struct fscache_object *); static void fscache_dequeue_object(struct fscache_object *); const struct slow_work_ops fscache_object_slow_work_ops = { + .owner = THIS_MODULE, .get_ref = fscache_object_slow_work_get_ref, .put_ref = fscache_object_slow_work_put_ref, .execute = fscache_object_slow_work_execute, diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c index e7f8d53b8b6b..f1a2857b2ff5 100644 --- a/fs/fscache/operation.c +++ b/fs/fscache/operation.c @@ -453,6 +453,7 @@ static void fscache_op_execute(struct slow_work *work) } const struct slow_work_ops fscache_op_slow_work_ops = { + .owner = THIS_MODULE, .get_ref = fscache_op_get_ref, .put_ref = fscache_op_put_ref, .execute = fscache_op_execute, |