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authorJakub Kicinski <kuba@kernel.org>2022-05-12 15:39:02 -0700
committerJakub Kicinski <kuba@kernel.org>2022-05-12 16:15:30 -0700
commit9b19e57a3c78f1f7c08a48bafb7d84caf6e80b68 (patch)
tree780e0a4b694b7b7aaabe7d7a0df38275e025fad8 /drivers/s390/block/dasd.c
parentb33177f1d62bea7dd8a7dd6775116958ea71dc6b (diff)
parentf3f19f939c11925dadd3f4776f99f8c278a7017b (diff)
downloadlwn-9b19e57a3c78f1f7c08a48bafb7d84caf6e80b68.tar.gz
lwn-9b19e57a3c78f1f7c08a48bafb7d84caf6e80b68.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts. Build issue in drivers/net/ethernet/sfc/ptp.c 54fccfdd7c66 ("sfc: efx_default_channel_type APIs can be static") 49e6123c65da ("net: sfc: fix memory leak due to ptp channel") https://lore.kernel.org/all/20220510130556.52598fe2@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/s390/block/dasd.c')
-rw-r--r--drivers/s390/block/dasd.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 8e87a31e329d..ba6d78789660 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1422,6 +1422,13 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
if (!cqr->lpm)
cqr->lpm = dasd_path_get_opm(device);
}
+ /*
+ * remember the amount of formatted tracks to prevent double format on
+ * ESE devices
+ */
+ if (cqr->block)
+ cqr->trkcount = atomic_read(&cqr->block->trkcount);
+
if (cqr->cpmode == 1) {
rc = ccw_device_tm_start(device->cdev, cqr->cpaddr,
(long) cqr, cqr->lpm);
@@ -1639,6 +1646,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
unsigned long now;
int nrf_suppressed = 0;
int fp_suppressed = 0;
+ struct request *req;
u8 *sense = NULL;
int expires;
@@ -1739,7 +1747,12 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
}
if (dasd_ese_needs_format(cqr->block, irb)) {
- if (rq_data_dir((struct request *)cqr->callback_data) == READ) {
+ req = dasd_get_callback_data(cqr);
+ if (!req) {
+ cqr->status = DASD_CQR_ERROR;
+ return;
+ }
+ if (rq_data_dir(req) == READ) {
device->discipline->ese_read(cqr, irb);
cqr->status = DASD_CQR_SUCCESS;
cqr->stopclk = now;
@@ -2765,8 +2778,7 @@ static void __dasd_cleanup_cqr(struct dasd_ccw_req *cqr)
* complete a request partially.
*/
if (proc_bytes) {
- blk_update_request(req, BLK_STS_OK,
- blk_rq_bytes(req) - proc_bytes);
+ blk_update_request(req, BLK_STS_OK, proc_bytes);
blk_mq_requeue_request(req, true);
} else if (likely(!blk_should_fake_timeout(req->q))) {
blk_mq_complete_request(req);