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Subject[PATCH 04/15] drbd: Use the IS_ALIGNED() macro in some more places
Date
From: Andreas Gruenbacher <agruen@linbit.com>

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
drivers/block/drbd/drbd_actlog.c | 6 +++---
drivers/block/drbd/drbd_receiver.c | 2 +-
drivers/block/drbd/drbd_req.c | 2 +-
3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c
index 0748871..ad61863 100644
--- a/drivers/block/drbd/drbd_actlog.c
+++ b/drivers/block/drbd/drbd_actlog.c
@@ -767,7 +767,7 @@ void __drbd_set_in_sync(struct drbd_conf *mdev, sector_t sector, int size,
int wake_up = 0;
unsigned long flags;

- if (size <= 0 || (size & 0x1ff) != 0 || size > DRBD_MAX_BIO_SIZE) {
+ if (size <= 0 || !IS_ALIGNED(size, 512) || size > DRBD_MAX_BIO_SIZE) {
dev_err(DEV, "drbd_set_in_sync: sector=%llus size=%d nonsense!\n",
(unsigned long long)sector, size);
return;
@@ -832,7 +832,7 @@ int __drbd_set_out_of_sync(struct drbd_conf *mdev, sector_t sector, int size,
unsigned int enr, count = 0;
struct lc_element *e;

- if (size <= 0 || (size & 0x1ff) != 0 || size > DRBD_MAX_BIO_SIZE) {
+ if (size <= 0 || !IS_ALIGNED(size, 512) || size > DRBD_MAX_BIO_SIZE) {
dev_err(DEV, "sector: %llus, size: %d\n",
(unsigned long long)sector, size);
return 0;
@@ -1217,7 +1217,7 @@ void drbd_rs_failed_io(struct drbd_conf *mdev, sector_t sector, int size)
sector_t esector, nr_sectors;
int wake_up = 0;

- if (size <= 0 || (size & 0x1ff) != 0 || size > DRBD_MAX_BIO_SIZE) {
+ if (size <= 0 || !IS_ALIGNED(size, 512) || size > DRBD_MAX_BIO_SIZE) {
dev_err(DEV, "drbd_rs_failed_io: sector=%llus size=%d nonsense!\n",
(unsigned long long)sector, size);
return;
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index deae7cb..af3ee2f 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -2041,7 +2041,7 @@ static int receive_DataRequest(struct drbd_conf *mdev, enum drbd_packet cmd,
sector = be64_to_cpu(p->sector);
size = be32_to_cpu(p->blksize);

- if (size <= 0 || (size & 0x1ff) != 0 || size > DRBD_MAX_BIO_SIZE) {
+ if (size <= 0 || !IS_ALIGNED(size, 512) || size > DRBD_MAX_BIO_SIZE) {
dev_err(DEV, "%s:%d: sector: %llus, size: %u\n", __FILE__, __LINE__,
(unsigned long long)sector, size);
return false;
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 157c737..48d313d 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -1023,7 +1023,7 @@ int drbd_make_request(struct request_queue *q, struct bio *bio)
* what we "blindly" assume:
*/
D_ASSERT(bio->bi_size > 0);
- D_ASSERT((bio->bi_size & 0x1ff) == 0);
+ D_ASSERT(IS_ALIGNED(bio->bi_size, 512));
D_ASSERT(bio->bi_idx == 0);

/* to make some things easier, force alignment of requests within the
--
1.7.4.1


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