diff options
| author | Davidlohr Bueso <davidlohr.bueso@hp.com> | 2013-09-11 23:26:24 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-12 00:59:42 +0200 |
| commit | d9a605e40b1376eb02b067d7690580255a0df68f (patch) | |
| tree | b21254f7172ae8db6faffd9b7941d579fa421478 /ipc/util.h | |
| parent | ipc,shm: shorten critical region for shmat (diff) | |
| download | linux-d9a605e40b1376eb02b067d7690580255a0df68f.tar.xz linux-d9a605e40b1376eb02b067d7690580255a0df68f.zip | |
ipc: rename ids->rw_mutex
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>
Diffstat (limited to '')
| -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 41a6c4d26399..0a362ffca972 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. */ |