diff options
| author | Davidlohr Bueso <davidlohr.bueso@hp.com> | 2013-09-11 14:26:24 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-18 07:45:47 -0700 |
| commit | 33b74669858f3f1982d83015203264b462d845e7 (patch) | |
| tree | 518ac3e96b50047e3d14fa13f81c99fe33f02199 /ipc/util.h | |
| parent | bd58e2dc27330012ff1774cd54d41d6e7ffcbc36 (diff) | |
ipc: rename ids->rw_mutex
commit d9a605e40b1376eb02b067d7690580255a0df68f upstream.
Since in some situations the lock can be shared for readers, we shouldn't
be calling it a mutex, rename it to rwsem.
Signed-off-by: Davidlohr Bueso <davidlohr.bueso@hp.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'ipc/util.h')
| -rw-r--r-- | ipc/util.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ipc/util.h b/ipc/util.h index 41a6c4d2639..0a362ffca97 100644 --- a/ipc/util.h +++ b/ipc/util.h @@ -94,10 +94,10 @@ void __init ipc_init_proc_interface(const char *path, const char *header, #define ipcid_to_idx(id) ((id) % SEQ_MULTIPLIER) #define ipcid_to_seqx(id) ((id) / SEQ_MULTIPLIER) -/* must be called with ids->rw_mutex acquired for writing */ +/* must be called with ids->rwsem acquired for writing */ int ipc_addid(struct ipc_ids *, struct kern_ipc_perm *, int); -/* must be called with ids->rw_mutex acquired for reading */ +/* must be called with ids->rwsem acquired for reading */ int ipc_get_maxid(struct ipc_ids *); /* must be called with both locks acquired. */ |