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| author | Ilya Dryomov <idryomov@gmail.com> | 2020-01-30 13:54:59 +0100 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2020-03-30 12:42:40 +0200 |
| commit | 94f4857f4ba21aad4cf11dde961ea23a07b5161c (patch) | |
| tree | 19c59cdeba415334a52d4a335a69f57f112edb75 /drivers/block/rbd.c | |
| parent | libceph: drop CEPH_DEFINE_SHOW_FUNC (diff) | |
| download | linux-94f4857f4ba21aad4cf11dde961ea23a07b5161c.tar.xz linux-94f4857f4ba21aad4cf11dde961ea23a07b5161c.zip | |
rbd: remove barriers from img_request_layered_{set,clear,test}()
IMG_REQ_LAYERED is set in rbd_img_request_create(), and tested and
cleared in rbd_img_request_destroy() when the image request is about to
be destroyed. The barriers are unnecessary.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'drivers/block/rbd.c')
| -rw-r--r-- | drivers/block/rbd.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 6343402c09e6..162fd1df06dd 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -1366,18 +1366,15 @@ static void rbd_osd_submit(struct ceph_osd_request *osd_req) static void img_request_layered_set(struct rbd_img_request *img_request) { set_bit(IMG_REQ_LAYERED, &img_request->flags); - smp_mb(); } static void img_request_layered_clear(struct rbd_img_request *img_request) { clear_bit(IMG_REQ_LAYERED, &img_request->flags); - smp_mb(); } static bool img_request_layered_test(struct rbd_img_request *img_request) { - smp_mb(); return test_bit(IMG_REQ_LAYERED, &img_request->flags) != 0; } |