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block-6.11-20240824

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Merge tag 'block-6.11-20240824' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:

 - Fix corruption issues with s390/dasd (Eric, Stefan)

 - Fix a misuse of non irq locking grab of a lock (Li)

 - MD pull request with a single data corruption fix for raid1 (Yu)

* tag 'block-6.11-20240824' of git://git.kernel.dk/linux:
  block: Fix lockdep warning in blk_mq_mark_tag_wait
  md/raid1: Fix data corruption for degraded array with slow disk
  s390/dasd: fix error recovery leading to data corruption on ESE devices
  s390/dasd: Remove DMA alignment
This commit is contained in:
Linus Torvalds 2024-08-16 14:03:31 -07:00
commit 85652baa89
7 changed files with 64 additions and 61 deletions
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5
block/blk-mq-tag.c
View File

@ -38,6 +38,7 @@ static void blk_mq_update_wake_batch(struct blk_mq_tags *tags,
void __blk_mq_tag_busy(struct blk_mq_hw_ctx *hctx)
{
unsigned int users;
unsigned long flags;
struct blk_mq_tags *tags = hctx->tags;
/*
@ -56,11 +57,11 @@ void __blk_mq_tag_busy(struct blk_mq_hw_ctx *hctx)
return;
}
spin_lock_irq(&tags->lock);
spin_lock_irqsave(&tags->lock, flags);
users = tags->active_queues + 1;
WRITE_ONCE(tags->active_queues, users);
blk_mq_update_wake_batch(tags, users);
spin_unlock_irq(&tags->lock);
spin_unlock_irqrestore(&tags->lock, flags);
}
/*

14
drivers/md/raid1.c
View File

@ -617,6 +617,12 @@ static int choose_first_rdev(struct r1conf *conf, struct r1bio *r1_bio,
return -1;
}
static bool rdev_in_recovery(struct md_rdev *rdev, struct r1bio *r1_bio)
{
return !test_bit(In_sync, &rdev->flags) &&
rdev->recovery_offset < r1_bio->sector + r1_bio->sectors;
}
static int choose_bb_rdev(struct r1conf *conf, struct r1bio *r1_bio,
int *max_sectors)
{
@ -635,6 +641,7 @@ static int choose_bb_rdev(struct r1conf *conf, struct r1bio *r1_bio,
rdev = conf->mirrors[disk].rdev;
if (!rdev || test_bit(Faulty, &rdev->flags) ||
rdev_in_recovery(rdev, r1_bio) ||
test_bit(WriteMostly, &rdev->flags))
continue;
@ -673,7 +680,8 @@ static int choose_slow_rdev(struct r1conf *conf, struct r1bio *r1_bio,
rdev = conf->mirrors[disk].rdev;
if (!rdev || test_bit(Faulty, &rdev->flags) ||
!test_bit(WriteMostly, &rdev->flags))
!test_bit(WriteMostly, &rdev->flags) ||
rdev_in_recovery(rdev, r1_bio))
continue;
/* there are no bad blocks, we can use this disk */
@ -733,9 +741,7 @@ static bool rdev_readable(struct md_rdev *rdev, struct r1bio *r1_bio)
if (!rdev || test_bit(Faulty, &rdev->flags))
return false;
/* still in recovery */
if (!test_bit(In_sync, &rdev->flags) &&
rdev->recovery_offset < r1_bio->sector + r1_bio->sectors)
if (rdev_in_recovery(rdev, r1_bio))
return false;
/* don't read from slow disk unless have to */

36
drivers/s390/block/dasd.c
View File

@ -1601,9 +1601,15 @@ static int dasd_ese_needs_format(struct dasd_block *block, struct irb *irb)
if (!sense)
return 0;
return !!(sense[1] & SNS1_NO_REC_FOUND) ||
!!(sense[1] & SNS1_FILE_PROTECTED) ||
scsw_cstat(&irb->scsw) == SCHN_STAT_INCORR_LEN;
if (sense[1] & SNS1_NO_REC_FOUND)
return 1;
if ((sense[1] & SNS1_INV_TRACK_FORMAT) &&
scsw_is_tm(&irb->scsw) &&
!(sense[2] & SNS2_ENV_DATA_PRESENT))
return 1;
return 0;
}
static int dasd_ese_oos_cond(u8 *sense)
@ -1624,7 +1630,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
struct dasd_device *device;
unsigned long now;
int nrf_suppressed = 0;
int fp_suppressed = 0;
int it_suppressed = 0;
struct request *req;
u8 *sense = NULL;
int expires;
@ -1679,8 +1685,9 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
*/
sense = dasd_get_sense(irb);
if (sense) {
fp_suppressed = (sense[1] & SNS1_FILE_PROTECTED) &&
test_bit(DASD_CQR_SUPPRESS_FP, &cqr->flags);
it_suppressed = (sense[1] & SNS1_INV_TRACK_FORMAT) &&
!(sense[2] & SNS2_ENV_DATA_PRESENT) &&
test_bit(DASD_CQR_SUPPRESS_IT, &cqr->flags);
nrf_suppressed = (sense[1] & SNS1_NO_REC_FOUND) &&
test_bit(DASD_CQR_SUPPRESS_NRF, &cqr->flags);
@ -1695,7 +1702,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
return;
}
}
if (!(fp_suppressed || nrf_suppressed))
if (!(it_suppressed || nrf_suppressed))
device->discipline->dump_sense_dbf(device, irb, "int");
if (device->features & DASD_FEATURE_ERPLOG)
@ -2459,14 +2466,17 @@ retry:
rc = 0;
list_for_each_entry_safe(cqr, n, ccw_queue, blocklist) {
/*
* In some cases the 'File Protected' or 'Incorrect Length'
* error might be expected and error recovery would be
* unnecessary in these cases. Check if the according suppress
* bit is set.
* In some cases certain errors might be expected and
* error recovery would be unnecessary in these cases.
* Check if the according suppress bit is set.
*/
sense = dasd_get_sense(&cqr->irb);
if (sense && sense[1] & SNS1_FILE_PROTECTED &&
test_bit(DASD_CQR_SUPPRESS_FP, &cqr->flags))
if (sense && (sense[1] & SNS1_INV_TRACK_FORMAT) &&
!(sense[2] & SNS2_ENV_DATA_PRESENT) &&
test_bit(DASD_CQR_SUPPRESS_IT, &cqr->flags))
continue;
if (sense && (sense[1] & SNS1_NO_REC_FOUND) &&
test_bit(DASD_CQR_SUPPRESS_NRF, &cqr->flags))
continue;
if (scsw_cstat(&cqr->irb.scsw) == 0x40 &&
test_bit(DASD_CQR_SUPPRESS_IL, &cqr->flags))

10
drivers/s390/block/dasd_3990_erp.c
View File

@ -1386,14 +1386,8 @@ dasd_3990_erp_file_prot(struct dasd_ccw_req * erp)
struct dasd_device *device = erp->startdev;
/*
* In some cases the 'File Protected' error might be expected and
* log messages shouldn't be written then.
* Check if the according suppress bit is set.
*/
if (!test_bit(DASD_CQR_SUPPRESS_FP, &erp->flags))
dev_err(&device->cdev->dev,
"Accessing the DASD failed because of a hardware error\n");
dev_err(&device->cdev->dev,
"Accessing the DASD failed because of a hardware error\n");
return dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED);

57
drivers/s390/block/dasd_eckd.c
View File

@ -2275,6 +2275,7 @@ dasd_eckd_analysis_ccw(struct dasd_device *device)
cqr->status = DASD_CQR_FILLED;
/* Set flags to suppress output for expected errors */
set_bit(DASD_CQR_SUPPRESS_NRF, &cqr->flags);
set_bit(DASD_CQR_SUPPRESS_IT, &cqr->flags);
return cqr;
}
@ -2556,7 +2557,6 @@ dasd_eckd_build_check_tcw(struct dasd_device *base, struct format_data_t *fdata,
cqr->buildclk = get_tod_clock();
cqr->status = DASD_CQR_FILLED;
/* Set flags to suppress output for expected errors */
set_bit(DASD_CQR_SUPPRESS_FP, &cqr->flags);
set_bit(DASD_CQR_SUPPRESS_IL, &cqr->flags);
return cqr;
@ -4130,8 +4130,6 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_single(
/* Set flags to suppress output for expected errors */
if (dasd_eckd_is_ese(basedev)) {
set_bit(DASD_CQR_SUPPRESS_FP, &cqr->flags);
set_bit(DASD_CQR_SUPPRESS_IL, &cqr->flags);
set_bit(DASD_CQR_SUPPRESS_NRF, &cqr->flags);
}
@ -4633,9 +4631,8 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
/* Set flags to suppress output for expected errors */
if (dasd_eckd_is_ese(basedev)) {
set_bit(DASD_CQR_SUPPRESS_FP, &cqr->flags);
set_bit(DASD_CQR_SUPPRESS_IL, &cqr->flags);
set_bit(DASD_CQR_SUPPRESS_NRF, &cqr->flags);
set_bit(DASD_CQR_SUPPRESS_IT, &cqr->flags);
}
return cqr;
@ -5780,36 +5777,32 @@ static void dasd_eckd_dump_sense(struct dasd_device *device,
{
u8 *sense = dasd_get_sense(irb);
if (scsw_is_tm(&irb->scsw)) {
/*
* In some cases the 'File Protected' or 'Incorrect Length'
* error might be expected and log messages shouldn't be written
* then. Check if the according suppress bit is set.
*/
if (sense && (sense[1] & SNS1_FILE_PROTECTED) &&
test_bit(DASD_CQR_SUPPRESS_FP, &req->flags))
return;
if (scsw_cstat(&irb->scsw) == 0x40 &&
test_bit(DASD_CQR_SUPPRESS_IL, &req->flags))
return;
/*
* In some cases certain errors might be expected and
* log messages shouldn't be written then.
* Check if the according suppress bit is set.
*/
if (sense && (sense[1] & SNS1_INV_TRACK_FORMAT) &&
!(sense[2] & SNS2_ENV_DATA_PRESENT) &&
test_bit(DASD_CQR_SUPPRESS_IT, &req->flags))
return;
if (sense && sense[0] & SNS0_CMD_REJECT &&
test_bit(DASD_CQR_SUPPRESS_CR, &req->flags))
return;
if (sense && sense[1] & SNS1_NO_REC_FOUND &&
test_bit(DASD_CQR_SUPPRESS_NRF, &req->flags))
return;
if (scsw_cstat(&irb->scsw) == 0x40 &&
test_bit(DASD_CQR_SUPPRESS_IL, &req->flags))
return;
if (scsw_is_tm(&irb->scsw))
dasd_eckd_dump_sense_tcw(device, req, irb);
} else {
/*
* In some cases the 'Command Reject' or 'No Record Found'
* error might be expected and log messages shouldn't be
* written then. Check if the according suppress bit is set.
*/
if (sense && sense[0] & SNS0_CMD_REJECT &&
test_bit(DASD_CQR_SUPPRESS_CR, &req->flags))
return;
if (sense && sense[1] & SNS1_NO_REC_FOUND &&
test_bit(DASD_CQR_SUPPRESS_NRF, &req->flags))
return;
else
dasd_eckd_dump_sense_ccw(device, req, irb);
}
}
static int dasd_eckd_reload_device(struct dasd_device *device)

1
drivers/s390/block/dasd_genhd.c
View File

@ -41,7 +41,6 @@ int dasd_gendisk_alloc(struct dasd_block *block)
*/
.max_segment_size = PAGE_SIZE,
.seg_boundary_mask = PAGE_SIZE - 1,
.dma_alignment = PAGE_SIZE - 1,
.max_segments = USHRT_MAX,
};
struct gendisk *gdp;

2
drivers/s390/block/dasd_int.h
View File

@ -196,7 +196,7 @@ struct dasd_ccw_req {
* The following flags are used to suppress output of certain errors.
*/
#define DASD_CQR_SUPPRESS_NRF 4 /* Suppress 'No Record Found' error */
#define DASD_CQR_SUPPRESS_FP 5 /* Suppress 'File Protected' error*/
#define DASD_CQR_SUPPRESS_IT 5 /* Suppress 'Invalid Track' error*/
#define DASD_CQR_SUPPRESS_IL 6 /* Suppress 'Incorrect Length' error */
#define DASD_CQR_SUPPRESS_CR 7 /* Suppress 'Command Reject' error */