diff options
| author | Nadia Derbey <Nadia.Derbey@bull.net> | 2008-07-25 10:48:03 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-25 19:53:42 +0200 |
| commit | 00c2bf85d8febfcfddde63822043462b026134ff (patch) | |
| tree | 25dbdf6d713408da992eace1168c45244d13c2a7 /ipc/util.h | |
| parent | ipc: call idr_find() without locking in ipc_lock() (diff) | |
| download | linux-00c2bf85d8febfcfddde63822043462b026134ff.tar.xz linux-00c2bf85d8febfcfddde63822043462b026134ff.zip | |
ipc: get rid of ipc_lock_down()
Remove the ipc_lock_down() routines: they used to call idr_find() locklessly
(given that the ipc ids lock was already held), so they are not needed
anymore.
Signed-off-by: Nadia Derbey <Nadia.Derbey@bull.net>
Acked-by: "Paul E. McKenney" <paulmck@us.ibm.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Jim Houston <jim.houston@comcast.net>
Cc: Pierre Peiffer <peifferp@gmail.com>
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc/util.h')
| -rw-r--r-- | ipc/util.h | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/ipc/util.h b/ipc/util.h index cdb966aebe07..3646b45a03c9 100644 --- a/ipc/util.h +++ b/ipc/util.h @@ -102,11 +102,6 @@ void* ipc_rcu_alloc(int size); void ipc_rcu_getref(void *ptr); void ipc_rcu_putref(void *ptr); -/* - * ipc_lock_down: called with rw_mutex held - * ipc_lock: called without that lock held - */ -struct kern_ipc_perm *ipc_lock_down(struct ipc_ids *, int); struct kern_ipc_perm *ipc_lock(struct ipc_ids *, int); void kernel_to_ipc64_perm(struct kern_ipc_perm *in, struct ipc64_perm *out); @@ -155,7 +150,6 @@ static inline void ipc_unlock(struct kern_ipc_perm *perm) rcu_read_unlock(); } -struct kern_ipc_perm *ipc_lock_check_down(struct ipc_ids *ids, int id); struct kern_ipc_perm *ipc_lock_check(struct ipc_ids *ids, int id); int ipcget(struct ipc_namespace *ns, struct ipc_ids *ids, struct ipc_ops *ops, struct ipc_params *params); |