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authorLinus Torvalds <torvalds@linux-foundation.org>2020-10-24 12:46:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-10-24 12:46:42 -0700
commitd76913908102044f14381df865bb74df17a538cb (patch)
tree9b7ac673b6c585796397812691a7ff54f06ebd1b /drivers/block
parentaf0041875ce7f5a05362b884e90cf82c27876096 (diff)
parent24f7bb8863eb63b97ff7a83e6dd0d188a1c0575e (diff)
Merge tag 'block-5.10-2020-10-24' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe: - NVMe pull request from Christoph - rdma error handling fixes (Chao Leng) - fc error handling and reconnect fixes (James Smart) - fix the qid displace when tracing ioctl command (Keith Busch) - don't use BLK_MQ_REQ_NOWAIT for passthru (Chaitanya Kulkarni) - fix MTDT for passthru (Logan Gunthorpe) - blacklist Write Same on more devices (Kai-Heng Feng) - fix an uninitialized work struct (zhenwei pi)" - lightnvm out-of-bounds fix (Colin) - SG allocation leak fix (Doug) - rnbd fixes (Gioh, Guoqing, Jack) - zone error translation fixes (Keith) - kerneldoc markup fix (Mauro) - zram lockdep fix (Peter) - Kill unused io_context members (Yufen) - NUMA memory allocation cleanup (Xianting) - NBD config wakeup fix (Xiubo) * tag 'block-5.10-2020-10-24' of git://git.kernel.dk/linux-block: (27 commits) block: blk-mq: fix a kernel-doc markup nvme-fc: shorten reconnect delay if possible for FC nvme-fc: wait for queues to freeze before calling update_hr_hw_queues nvme-fc: fix error loop in create_hw_io_queues nvme-fc: fix io timeout to abort I/O null_blk: use zone status for max active/open nvmet: don't use BLK_MQ_REQ_NOWAIT for passthru nvmet: cleanup nvmet_passthru_map_sg() nvmet: limit passthru MTDS by BIO_MAX_PAGES nvmet: fix uninitialized work for zero kato nvme-pci: disable Write Zeroes on Sandisk Skyhawk nvme: use queuedata for nvme_req_qid nvme-rdma: fix crash due to incorrect cqe nvme-rdma: fix crash when connect rejected block: remove unused members for io_context blk-mq: remove the calling of local_memory_node() zram: Fix __zram_bvec_{read,write}() locking order skd_main: remove unused including <linux/version.h> sgl_alloc_order: fix memory leak lightnvm: fix out-of-bounds write to array devices->info[] ...
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/nbd.c2
-rw-r--r--drivers/block/null_blk_zoned.c69
-rw-r--r--drivers/block/rnbd/rnbd-clt.c19
-rw-r--r--drivers/block/skd_main.c1
-rw-r--r--drivers/block/zram/zram_drv.c8
5 files changed, 57 insertions, 42 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 3c9485acdd81..0bed21c0c81b 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -802,9 +802,9 @@ static void recv_work(struct work_struct *work)
if (likely(!blk_should_fake_timeout(rq->q)))
blk_mq_complete_request(rq);
}
+ nbd_config_put(nbd);
atomic_dec(&config->recv_threads);
wake_up(&config->recv_wq);
- nbd_config_put(nbd);
kfree(args);
}
diff --git a/drivers/block/null_blk_zoned.c b/drivers/block/null_blk_zoned.c
index fa0cc70f05e6..7d94f2d47a6a 100644
--- a/drivers/block/null_blk_zoned.c
+++ b/drivers/block/null_blk_zoned.c
@@ -220,29 +220,34 @@ static void null_close_first_imp_zone(struct nullb_device *dev)
}
}
-static bool null_can_set_active(struct nullb_device *dev)
+static blk_status_t null_check_active(struct nullb_device *dev)
{
if (!dev->zone_max_active)
- return true;
+ return BLK_STS_OK;
+
+ if (dev->nr_zones_exp_open + dev->nr_zones_imp_open +
+ dev->nr_zones_closed < dev->zone_max_active)
+ return BLK_STS_OK;
- return dev->nr_zones_exp_open + dev->nr_zones_imp_open +
- dev->nr_zones_closed < dev->zone_max_active;
+ return BLK_STS_ZONE_ACTIVE_RESOURCE;
}
-static bool null_can_open(struct nullb_device *dev)
+static blk_status_t null_check_open(struct nullb_device *dev)
{
if (!dev->zone_max_open)
- return true;
+ return BLK_STS_OK;
if (dev->nr_zones_exp_open + dev->nr_zones_imp_open < dev->zone_max_open)
- return true;
+ return BLK_STS_OK;
- if (dev->nr_zones_imp_open && null_can_set_active(dev)) {
- null_close_first_imp_zone(dev);
- return true;
+ if (dev->nr_zones_imp_open) {
+ if (null_check_active(dev) == BLK_STS_OK) {
+ null_close_first_imp_zone(dev);
+ return BLK_STS_OK;
+ }
}
- return false;
+ return BLK_STS_ZONE_OPEN_RESOURCE;
}
/*
@@ -258,19 +263,22 @@ static bool null_can_open(struct nullb_device *dev)
* it is not certain that closing an implicit open zone will allow a new zone
* to be opened, since we might already be at the active limit capacity.
*/
-static bool null_has_zone_resources(struct nullb_device *dev, struct blk_zone *zone)
+static blk_status_t null_check_zone_resources(struct nullb_device *dev, struct blk_zone *zone)
{
+ blk_status_t ret;
+
switch (zone->cond) {
case BLK_ZONE_COND_EMPTY:
- if (!null_can_set_active(dev))
- return false;
+ ret = null_check_active(dev);
+ if (ret != BLK_STS_OK)
+ return ret;
fallthrough;
case BLK_ZONE_COND_CLOSED:
- return null_can_open(dev);
+ return null_check_open(dev);
default:
/* Should never be called for other states */
WARN_ON(1);
- return false;
+ return BLK_STS_IOERR;
}
}
@@ -293,8 +301,9 @@ static blk_status_t null_zone_write(struct nullb_cmd *cmd, sector_t sector,
return BLK_STS_IOERR;
case BLK_ZONE_COND_EMPTY:
case BLK_ZONE_COND_CLOSED:
- if (!null_has_zone_resources(dev, zone))
- return BLK_STS_IOERR;
+ ret = null_check_zone_resources(dev, zone);
+ if (ret != BLK_STS_OK)
+ return ret;
break;
case BLK_ZONE_COND_IMP_OPEN:
case BLK_ZONE_COND_EXP_OPEN:
@@ -349,6 +358,8 @@ static blk_status_t null_zone_write(struct nullb_cmd *cmd, sector_t sector,
static blk_status_t null_open_zone(struct nullb_device *dev, struct blk_zone *zone)
{
+ blk_status_t ret;
+
if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)
return BLK_STS_IOERR;
@@ -357,15 +368,17 @@ static blk_status_t null_open_zone(struct nullb_device *dev, struct blk_zone *zo
/* open operation on exp open is not an error */
return BLK_STS_OK;
case BLK_ZONE_COND_EMPTY:
- if (!null_has_zone_resources(dev, zone))
- return BLK_STS_IOERR;
+ ret = null_check_zone_resources(dev, zone);
+ if (ret != BLK_STS_OK)
+ return ret;
break;
case BLK_ZONE_COND_IMP_OPEN:
dev->nr_zones_imp_open--;
break;
case BLK_ZONE_COND_CLOSED:
- if (!null_has_zone_resources(dev, zone))
- return BLK_STS_IOERR;
+ ret = null_check_zone_resources(dev, zone);
+ if (ret != BLK_STS_OK)
+ return ret;
dev->nr_zones_closed--;
break;
case BLK_ZONE_COND_FULL:
@@ -381,6 +394,8 @@ static blk_status_t null_open_zone(struct nullb_device *dev, struct blk_zone *zo
static blk_status_t null_finish_zone(struct nullb_device *dev, struct blk_zone *zone)
{
+ blk_status_t ret;
+
if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)
return BLK_STS_IOERR;
@@ -389,8 +404,9 @@ static blk_status_t null_finish_zone(struct nullb_device *dev, struct blk_zone *
/* finish operation on full is not an error */
return BLK_STS_OK;
case BLK_ZONE_COND_EMPTY:
- if (!null_has_zone_resources(dev, zone))
- return BLK_STS_IOERR;
+ ret = null_check_zone_resources(dev, zone);
+ if (ret != BLK_STS_OK)
+ return ret;
break;
case BLK_ZONE_COND_IMP_OPEN:
dev->nr_zones_imp_open--;
@@ -399,8 +415,9 @@ static blk_status_t null_finish_zone(struct nullb_device *dev, struct blk_zone *
dev->nr_zones_exp_open--;
break;
case BLK_ZONE_COND_CLOSED:
- if (!null_has_zone_resources(dev, zone))
- return BLK_STS_IOERR;
+ ret = null_check_zone_resources(dev, zone);
+ if (ret != BLK_STS_OK)
+ return ret;
dev->nr_zones_closed--;
break;
default:
diff --git a/drivers/block/rnbd/rnbd-clt.c b/drivers/block/rnbd/rnbd-clt.c
index d7a69741c0f6..8b2411ccbda9 100644
--- a/drivers/block/rnbd/rnbd-clt.c
+++ b/drivers/block/rnbd/rnbd-clt.c
@@ -91,11 +91,6 @@ static int rnbd_clt_set_dev_attr(struct rnbd_clt_dev *dev,
dev->max_hw_sectors = sess->max_io_size / SECTOR_SIZE;
dev->max_segments = BMAX_SEGMENTS;
- dev->max_hw_sectors = min_t(u32, dev->max_hw_sectors,
- le32_to_cpu(rsp->max_hw_sectors));
- dev->max_segments = min_t(u16, dev->max_segments,
- le16_to_cpu(rsp->max_segments));
-
return 0;
}
@@ -427,7 +422,7 @@ enum wait_type {
};
static int send_usr_msg(struct rtrs_clt *rtrs, int dir,
- struct rnbd_iu *iu, struct kvec *vec, size_t nr,
+ struct rnbd_iu *iu, struct kvec *vec,
size_t len, struct scatterlist *sg, unsigned int sg_len,
void (*conf)(struct work_struct *work),
int *errno, enum wait_type wait)
@@ -441,7 +436,7 @@ static int send_usr_msg(struct rtrs_clt *rtrs, int dir,
.conf_fn = msg_conf,
};
err = rtrs_clt_request(dir, &req_ops, rtrs, iu->permit,
- vec, nr, len, sg, sg_len);
+ vec, 1, len, sg, sg_len);
if (!err && wait) {
wait_event(iu->comp.wait, iu->comp.errno != INT_MAX);
*errno = iu->comp.errno;
@@ -486,7 +481,7 @@ static int send_msg_close(struct rnbd_clt_dev *dev, u32 device_id, bool wait)
msg.device_id = cpu_to_le32(device_id);
WARN_ON(!rnbd_clt_get_dev(dev));
- err = send_usr_msg(sess->rtrs, WRITE, iu, &vec, 1, 0, NULL, 0,
+ err = send_usr_msg(sess->rtrs, WRITE, iu, &vec, 0, NULL, 0,
msg_close_conf, &errno, wait);
if (err) {
rnbd_clt_put_dev(dev);
@@ -575,7 +570,7 @@ static int send_msg_open(struct rnbd_clt_dev *dev, bool wait)
WARN_ON(!rnbd_clt_get_dev(dev));
err = send_usr_msg(sess->rtrs, READ, iu,
- &vec, 1, sizeof(*rsp), iu->sglist, 1,
+ &vec, sizeof(*rsp), iu->sglist, 1,
msg_open_conf, &errno, wait);
if (err) {
rnbd_clt_put_dev(dev);
@@ -629,7 +624,7 @@ static int send_msg_sess_info(struct rnbd_clt_session *sess, bool wait)
goto put_iu;
}
err = send_usr_msg(sess->rtrs, READ, iu,
- &vec, 1, sizeof(*rsp), iu->sglist, 1,
+ &vec, sizeof(*rsp), iu->sglist, 1,
msg_sess_info_conf, &errno, wait);
if (err) {
rnbd_clt_put_sess(sess);
@@ -1514,7 +1509,7 @@ struct rnbd_clt_dev *rnbd_clt_map_device(const char *sessname,
"map_device: Failed to configure device, err: %d\n",
ret);
mutex_unlock(&dev->lock);
- goto del_dev;
+ goto send_close;
}
rnbd_clt_info(dev,
@@ -1533,6 +1528,8 @@ struct rnbd_clt_dev *rnbd_clt_map_device(const char *sessname,
return dev;
+send_close:
+ send_msg_close(dev, dev->device_id, WAIT);
del_dev:
delete_dev(dev);
put_dev:
diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c
index ae6454c24594..a962b4551bed 100644
--- a/drivers/block/skd_main.c
+++ b/drivers/block/skd_main.c
@@ -25,7 +25,6 @@
#include <linux/dma-mapping.h>
#include <linux/completion.h>
#include <linux/scatterlist.h>
-#include <linux/version.h>
#include <linux/err.h>
#include <linux/aer.h>
#include <linux/wait.h>
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 029403c18ca3..1b697208d661 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1218,10 +1218,11 @@ out:
static int __zram_bvec_read(struct zram *zram, struct page *page, u32 index,
struct bio *bio, bool partial_io)
{
- int ret;
+ struct zcomp_strm *zstrm;
unsigned long handle;
unsigned int size;
void *src, *dst;
+ int ret;
zram_slot_lock(zram, index);
if (zram_test_flag(zram, index, ZRAM_WB)) {
@@ -1252,6 +1253,9 @@ static int __zram_bvec_read(struct zram *zram, struct page *page, u32 index,
size = zram_get_obj_size(zram, index);
+ if (size != PAGE_SIZE)
+ zstrm = zcomp_stream_get(zram->comp);
+
src = zs_map_object(zram->mem_pool, handle, ZS_MM_RO);
if (size == PAGE_SIZE) {
dst = kmap_atomic(page);
@@ -1259,8 +1263,6 @@ static int __zram_bvec_read(struct zram *zram, struct page *page, u32 index,
kunmap_atomic(dst);
ret = 0;
} else {
- struct zcomp_strm *zstrm = zcomp_stream_get(zram->comp);
-
dst = kmap_atomic(page);
ret = zcomp_decompress(zstrm, src, size, dst);
kunmap_atomic(dst);