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drbd: drbd_send_drequest_csum(): Return 0 upon success and an error code otherwise

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Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Andreas Gruenbacher 2011-03-16 01:37:21 +01:00 committed by Philipp Reisner
parent 6c1005e74d
commit db1b0b724e
2 changed files with 11 additions and 13 deletions
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12
drivers/block/drbd/drbd_main.c
View File

@ -1320,7 +1320,7 @@ int drbd_send_drequest(struct drbd_conf *mdev, int cmd,
int drbd_send_drequest_csum(struct drbd_conf *mdev, sector_t sector, int size,
void *digest, int digest_size, enum drbd_packet cmd)
{
int ok;
int err;
struct p_block_req p;
prepare_header(mdev, &p.head, cmd, sizeof(p) - sizeof(struct p_header) + digest_size);
@ -1329,13 +1329,11 @@ int drbd_send_drequest_csum(struct drbd_conf *mdev, sector_t sector, int size,
p.blksize = cpu_to_be32(size);
mutex_lock(&mdev->tconn->data.mutex);
ok = (sizeof(p) == drbd_send(mdev->tconn, mdev->tconn->data.socket, &p, sizeof(p), 0));
ok = ok && (digest_size == drbd_send(mdev->tconn, mdev->tconn->data.socket, digest, digest_size, 0));
err = drbd_send_all(mdev->tconn, mdev->tconn->data.socket, &p, sizeof(p), 0);
if (!err)
err = drbd_send_all(mdev->tconn, mdev->tconn->data.socket, digest, digest_size, 0);
mutex_unlock(&mdev->tconn->data.mutex);
return ok;
return err;
}
int drbd_send_ov_request(struct drbd_conf *mdev, sector_t sector, int size)

4
drivers/block/drbd/drbd_worker.c
View File

@ -324,7 +324,7 @@ static int w_e_send_csum(struct drbd_work *w, int cancel)
drbd_free_ee(mdev, peer_req);
peer_req = NULL;
inc_rs_pending(mdev);
ok = drbd_send_drequest_csum(mdev, sector, size,
ok = !drbd_send_drequest_csum(mdev, sector, size,
digest, digest_size,
P_CSUM_RS_REQUEST);
kfree(digest);
@ -1089,7 +1089,7 @@ int w_e_end_ov_req(struct drbd_work *w, int cancel)
drbd_free_ee(mdev, peer_req);
peer_req = NULL;
inc_rs_pending(mdev);
ok = drbd_send_drequest_csum(mdev, sector, size,
ok = !drbd_send_drequest_csum(mdev, sector, size,
digest, digest_size,
P_OV_REPLY);
if (!ok)