diff options
| author |   Nadia Derbey <Nadia.Derbey@bull.net> | 2007-10-18 23:40:48 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-19 11:53:44 -0700 |
| commit | 7ca7e564e049d8b350ec9d958ff25eaa24226352 (patch) | |
| tree | e3c1397dc898dbd7c685c6a052425e7346eb79d1 /include | |
| parent | Add irq protection in the percpu-counters cpu-hotplug-callback path (diff) | |
| download | linux-dev-7ca7e564e049d8b350ec9d958ff25eaa24226352.tar.xz linux-dev-7ca7e564e049d8b350ec9d958ff25eaa24226352.zip | |
ipc: store ipcs into IDRs
This patch introduces ipcs storage into IDRs. The main changes are:
. This ipc_ids structure is changed: the entries array is changed into a
root idr structure.
. The grow_ary() routine is removed: it is not needed anymore when adding
an ipc structure, since we are now using the IDR facility.
. The ipc_rmid() routine interface is changed:
. there is no need for this routine to return the pointer passed in as
argument: it is now declared as a void
. since the id is now part of the kern_ipc_perm structure, no need to
have it as an argument to the routine
Signed-off-by: Nadia Derbey <Nadia.Derbey@bull.net>
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/ipc.h | 1 | ||||
| -rw-r--r-- | include/linux/msg.h | 1 | ||||
| -rw-r--r-- | include/linux/sem.h | 1 | ||||
| -rw-r--r-- | include/linux/shm.h | 1 |
4 files changed, 1 insertions, 3 deletions
diff --git a/include/linux/ipc.h b/include/linux/ipc.h index ee111834091c..96988d1460da 100644 --- a/include/linux/ipc.h +++ b/include/linux/ipc.h @@ -89,6 +89,7 @@ struct kern_ipc_perm { spinlock_t lock; int deleted; + int id; key_t key; uid_t uid; gid_t gid; diff --git a/include/linux/msg.h b/include/linux/msg.h index f1b60740d641..10a3d5a1abff 100644 --- a/include/linux/msg.h +++ b/include/linux/msg.h @@ -77,7 +77,6 @@ struct msg_msg { /* one msq_queue structure for each present queue on the system */ struct msg_queue { struct kern_ipc_perm q_perm; - int q_id; time_t q_stime; /* last msgsnd time */ time_t q_rtime; /* last msgrcv time */ time_t q_ctime; /* last change time */ diff --git a/include/linux/sem.h b/include/linux/sem.h index 9aaffb0b1d81..c8eaad9e4b72 100644 --- a/include/linux/sem.h +++ b/include/linux/sem.h @@ -90,7 +90,6 @@ struct sem { /* One sem_array data structure for each set of semaphores in the system. */ struct sem_array { struct kern_ipc_perm sem_perm; /* permissions .. see ipc.h */ - int sem_id; time_t sem_otime; /* last semop time */ time_t sem_ctime; /* last change time */ struct sem *sem_base; /* ptr to first semaphore in array */ diff --git a/include/linux/shm.h b/include/linux/shm.h index bea65d9c93ef..eeaed921a1dc 100644 --- a/include/linux/shm.h +++ b/include/linux/shm.h @@ -79,7 +79,6 @@ struct shmid_kernel /* private to the kernel */ { struct kern_ipc_perm shm_perm; struct file * shm_file; - int id; unsigned long shm_nattch; unsigned long shm_segsz; time_t shm_atim; |