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| author | David Howells <dhowells@redhat.com> | 2009-11-19 19:10:23 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2009-11-19 19:10:23 +0100 |
| commit | 3d7a641e544e428191667e8b1f83f96fa46dbd65 (patch) | |
| tree | 172aa672eca96b94f5531885b82abb82b43c7d8a /include | |
| parent | Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/c... (diff) | |
| download | linux-3d7a641e544e428191667e8b1f83f96fa46dbd65.tar.xz linux-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 'include')
| -rw-r--r-- | include/linux/slow-work.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/slow-work.h b/include/linux/slow-work.h index b65c8881f07a..9adb2b30754f 100644 --- a/include/linux/slow-work.h +++ b/include/linux/slow-work.h @@ -24,6 +24,9 @@ struct slow_work; * The operations used to support slow work items */ struct slow_work_ops { + /* owner */ + struct module *owner; + /* get a ref on a work item * - return 0 if successful, -ve if not */ @@ -42,6 +45,7 @@ struct slow_work_ops { * queued */ struct slow_work { + struct module *owner; /* the owning module */ unsigned long flags; #define SLOW_WORK_PENDING 0 /* item pending (further) execution */ #define SLOW_WORK_EXECUTING 1 /* item currently executing */ @@ -84,8 +88,8 @@ static inline void vslow_work_init(struct slow_work *work, } extern int slow_work_enqueue(struct slow_work *work); -extern int slow_work_register_user(void); -extern void slow_work_unregister_user(void); +extern int slow_work_register_user(struct module *owner); +extern void slow_work_unregister_user(struct module *owner); #ifdef CONFIG_SYSCTL extern ctl_table slow_work_sysctls[]; |