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| author | Manfred Spraul <manfred@colorfullife.com> | 2008-07-25 10:48:04 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-25 19:53:42 +0200 |
| commit | 4daa28f6d8f5cda8ea0f55048e3c8811c384cbdd (patch) | |
| tree | 934bfbd7932a18da8295d9e21727985d1ea16311 /include | |
| parent | ipc: get rid of ipc_lock_down() (diff) | |
| download | linux-4daa28f6d8f5cda8ea0f55048e3c8811c384cbdd.tar.xz linux-4daa28f6d8f5cda8ea0f55048e3c8811c384cbdd.zip | |
ipc/sem.c: convert undo structures to struct list_head
The undo structures contain two linked lists, the attached patch replaces
them with generic struct list_head lists.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Cc: Nadia Derbey <Nadia.Derbey@bull.net>
Cc: Pierre Peiffer <peifferp@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/sem.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/include/linux/sem.h b/include/linux/sem.h index c8eaad9e4b72..6a1af1b49a13 100644 --- a/include/linux/sem.h +++ b/include/linux/sem.h @@ -95,7 +95,7 @@ struct sem_array { struct sem *sem_base; /* ptr to first semaphore in array */ struct sem_queue *sem_pending; /* pending operations to be processed */ struct sem_queue **sem_pending_last; /* last pending operation */ - struct sem_undo *undo; /* undo requests on this array */ + struct list_head list_id; /* undo requests on this array */ unsigned long sem_nsems; /* no. of semaphores in array */ }; @@ -118,8 +118,8 @@ struct sem_queue { * when the process exits. */ struct sem_undo { - struct sem_undo * proc_next; /* next entry on this process */ - struct sem_undo * id_next; /* next entry on this semaphore set */ + struct list_head list_proc; /* per-process list: all undos from one process */ + struct list_head list_id; /* per semaphore array list: all undos for one array */ int semid; /* semaphore set identifier */ short * semadj; /* array of adjustments, one per semaphore */ }; @@ -128,9 +128,9 @@ struct sem_undo { * that may be shared among all a CLONE_SYSVSEM task group. */ struct sem_undo_list { - atomic_t refcnt; - spinlock_t lock; - struct sem_undo *proc_list; + atomic_t refcnt; + spinlock_t lock; + struct list_head list_proc; }; struct sysv_sem { |