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-rw-r--r--drivers/block/Kconfig5
-rw-r--r--drivers/block/brd.c1
-rw-r--r--drivers/block/cryptoloop.c2
-rw-r--r--drivers/block/loop.c13
-rw-r--r--drivers/block/loop.h1
-rw-r--r--drivers/block/mtip32xx/mtip32xx.c7
-rw-r--r--drivers/block/nbd.c26
-rw-r--r--drivers/block/null_blk.c10
-rw-r--r--drivers/block/paride/Kconfig1
-rw-r--r--drivers/block/skd_main.c3
10 files changed, 41 insertions, 28 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 7b2df7a54d87..923b417eaf4c 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -68,9 +68,13 @@ config AMIGA_Z2RAM
To compile this driver as a module, choose M here: the
module will be called z2ram.
+config CDROM
+ tristate
+
config GDROM
tristate "SEGA Dreamcast GD-ROM drive"
depends on SH_DREAMCAST
+ select CDROM
select BLK_SCSI_REQUEST # only for the generic cdrom code
help
A standard SEGA Dreamcast comes with a modified CD ROM drive called a
@@ -348,6 +352,7 @@ config BLK_DEV_RAM_DAX
config CDROM_PKTCDVD
tristate "Packet writing on CD/DVD media (DEPRECATED)"
depends on !UML
+ select CDROM
select BLK_SCSI_REQUEST
help
Note: This driver is deprecated and will be removed from the
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 2d7178f7754e..c1cf87718c2e 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -60,7 +60,6 @@ struct brd_device {
/*
* Look up and return a brd's page for a given sector.
*/
-static DEFINE_MUTEX(brd_mutex);
static struct page *brd_lookup_page(struct brd_device *brd, sector_t sector)
{
pgoff_t idx;
diff --git a/drivers/block/cryptoloop.c b/drivers/block/cryptoloop.c
index 74e03aa537ad..7033a4beda66 100644
--- a/drivers/block/cryptoloop.c
+++ b/drivers/block/cryptoloop.c
@@ -43,7 +43,6 @@ cryptoloop_init(struct loop_device *lo, const struct loop_info64 *info)
int cipher_len;
int mode_len;
char cms[LO_NAME_SIZE]; /* cipher-mode string */
- char *cipher;
char *mode;
char *cmsp = cms; /* c-m string pointer */
struct crypto_skcipher *tfm;
@@ -56,7 +55,6 @@ cryptoloop_init(struct loop_device *lo, const struct loop_info64 *info)
strncpy(cms, info->lo_crypt_name, LO_NAME_SIZE);
cms[LO_NAME_SIZE - 1] = 0;
- cipher = cmsp;
cipher_len = strcspn(cmsp, "-");
mode = cmsp + cipher_len;
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 85de67334695..bc8e61506968 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -476,6 +476,8 @@ static void lo_rw_aio_complete(struct kiocb *iocb, long ret, long ret2)
{
struct loop_cmd *cmd = container_of(iocb, struct loop_cmd, iocb);
+ if (cmd->css)
+ css_put(cmd->css);
cmd->ret = ret;
lo_rw_aio_do_completion(cmd);
}
@@ -535,6 +537,8 @@ static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd,
cmd->iocb.ki_filp = file;
cmd->iocb.ki_complete = lo_rw_aio_complete;
cmd->iocb.ki_flags = IOCB_DIRECT;
+ if (cmd->css)
+ kthread_associate_blkcg(cmd->css);
if (rw == WRITE)
ret = call_write_iter(file, &cmd->iocb, &iter);
@@ -542,6 +546,7 @@ static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd,
ret = call_read_iter(file, &cmd->iocb, &iter);
lo_rw_aio_do_completion(cmd);
+ kthread_associate_blkcg(NULL);
if (ret != -EIOCBQUEUED)
cmd->iocb.ki_complete(&cmd->iocb, ret, 0);
@@ -1686,6 +1691,14 @@ static blk_status_t loop_queue_rq(struct blk_mq_hw_ctx *hctx,
break;
}
+ /* always use the first bio's css */
+#ifdef CONFIG_BLK_CGROUP
+ if (cmd->use_aio && cmd->rq->bio && cmd->rq->bio->bi_css) {
+ cmd->css = cmd->rq->bio->bi_css;
+ css_get(cmd->css);
+ } else
+#endif
+ cmd->css = NULL;
kthread_queue_work(&lo->worker, &cmd->work);
return BLK_STS_OK;
diff --git a/drivers/block/loop.h b/drivers/block/loop.h
index 1f3956702993..0f45416e4fcf 100644
--- a/drivers/block/loop.h
+++ b/drivers/block/loop.h
@@ -72,6 +72,7 @@ struct loop_cmd {
long ret;
struct kiocb iocb;
struct bio_vec *bvec;
+ struct cgroup_subsys_state *css;
};
/* Support for loadable transfer modules */
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 4a3cfc7940de..b8af7352a18f 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -887,12 +887,9 @@ static void mtip_issue_non_ncq_command(struct mtip_port *port, int tag)
static bool mtip_pause_ncq(struct mtip_port *port,
struct host_to_dev_fis *fis)
{
- struct host_to_dev_fis *reply;
unsigned long task_file_data;
- reply = port->rxfis + RX_FIS_D2H_REG;
task_file_data = readl(port->mmio+PORT_TFDATA);
-
if ((task_file_data & 1))
return false;
@@ -1020,7 +1017,6 @@ static int mtip_exec_internal_command(struct mtip_port *port,
.opts = opts
};
int rv = 0;
- unsigned long start;
/* Make sure the buffer is 8 byte aligned. This is asic specific. */
if (buffer & 0x00000007) {
@@ -1057,7 +1053,6 @@ static int mtip_exec_internal_command(struct mtip_port *port,
/* Copy the command to the command table */
memcpy(int_cmd->command, fis, fis_len*4);
- start = jiffies;
rq->timeout = timeout;
/* insert request and run queue */
@@ -3015,7 +3010,6 @@ static int mtip_hw_init(struct driver_data *dd)
{
int i;
int rv;
- unsigned int num_command_slots;
unsigned long timeout, timetaken;
dd->mmio = pcim_iomap_table(dd->pdev)[MTIP_ABAR];
@@ -3025,7 +3019,6 @@ static int mtip_hw_init(struct driver_data *dd)
rv = -EIO;
goto out1;
}
- num_command_slots = dd->slot_groups * 32;
hba_setup(dd);
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 9adfb5445f8d..5f2a4240a204 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -288,15 +288,6 @@ static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req,
cmd->status = BLK_STS_TIMEOUT;
return BLK_EH_HANDLED;
}
-
- /* If we are waiting on our dead timer then we could get timeout
- * callbacks for our request. For this we just want to reset the timer
- * and let the queue side take care of everything.
- */
- if (!completion_done(&cmd->send_complete)) {
- nbd_config_put(nbd);
- return BLK_EH_RESET_TIMER;
- }
config = nbd->config;
if (config->num_connections > 1) {
@@ -723,9 +714,9 @@ static int wait_for_reconnect(struct nbd_device *nbd)
return 0;
if (test_bit(NBD_DISCONNECTED, &config->runtime_flags))
return 0;
- wait_event_interruptible_timeout(config->conn_wait,
- atomic_read(&config->live_connections),
- config->dead_conn_timeout);
+ wait_event_timeout(config->conn_wait,
+ atomic_read(&config->live_connections),
+ config->dead_conn_timeout);
return atomic_read(&config->live_connections);
}
@@ -740,6 +731,7 @@ static int nbd_handle_cmd(struct nbd_cmd *cmd, int index)
if (!refcount_inc_not_zero(&nbd->config_refs)) {
dev_err_ratelimited(disk_to_dev(nbd->disk),
"Socks array is empty\n");
+ blk_mq_start_request(req);
return -EINVAL;
}
config = nbd->config;
@@ -748,6 +740,7 @@ static int nbd_handle_cmd(struct nbd_cmd *cmd, int index)
dev_err_ratelimited(disk_to_dev(nbd->disk),
"Attempted send on invalid socket\n");
nbd_config_put(nbd);
+ blk_mq_start_request(req);
return -EINVAL;
}
cmd->status = BLK_STS_OK;
@@ -771,6 +764,7 @@ again:
*/
sock_shutdown(nbd);
nbd_config_put(nbd);
+ blk_mq_start_request(req);
return -EIO;
}
goto again;
@@ -781,6 +775,7 @@ again:
* here so that it gets put _after_ the request that is already on the
* dispatch list.
*/
+ blk_mq_start_request(req);
if (unlikely(nsock->pending && nsock->pending != req)) {
blk_mq_requeue_request(req, true);
ret = 0;
@@ -793,10 +788,10 @@ again:
ret = nbd_send_cmd(nbd, cmd, index);
if (ret == -EAGAIN) {
dev_err_ratelimited(disk_to_dev(nbd->disk),
- "Request send failed trying another connection\n");
+ "Request send failed, requeueing\n");
nbd_mark_nsock_dead(nbd, nsock, 1);
- mutex_unlock(&nsock->tx_lock);
- goto again;
+ blk_mq_requeue_request(req, true);
+ ret = 0;
}
out:
mutex_unlock(&nsock->tx_lock);
@@ -820,7 +815,6 @@ static blk_status_t nbd_queue_rq(struct blk_mq_hw_ctx *hctx,
* done sending everything over the wire.
*/
init_completion(&cmd->send_complete);
- blk_mq_start_request(bd->rq);
/* We can be called directly from the user space process, which means we
* could possibly have signals pending so our sendmsg will fail. In
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index cda69dbefe3b..c61960deb74a 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -154,6 +154,10 @@ enum {
NULL_Q_MQ = 2,
};
+static int g_no_sched;
+module_param_named(no_sched, g_no_sched, int, S_IRUGO);
+MODULE_PARM_DESC(no_sched, "No io scheduler");
+
static int g_submit_queues = 1;
module_param_named(submit_queues, g_submit_queues, int, S_IRUGO);
MODULE_PARM_DESC(submit_queues, "Number of submission queues");
@@ -1754,6 +1758,8 @@ static int null_init_tag_set(struct nullb *nullb, struct blk_mq_tag_set *set)
set->numa_node = nullb ? nullb->dev->home_node : g_home_node;
set->cmd_size = sizeof(struct nullb_cmd);
set->flags = BLK_MQ_F_SHOULD_MERGE;
+ if (g_no_sched)
+ set->flags |= BLK_MQ_F_NO_SCHED;
set->driver_data = NULL;
if ((nullb && nullb->dev->blocking) || g_blocking)
@@ -1985,8 +1991,10 @@ static int __init null_init(void)
for (i = 0; i < nr_devices; i++) {
dev = null_alloc_dev();
- if (!dev)
+ if (!dev) {
+ ret = -ENOMEM;
goto err_dev;
+ }
ret = null_add_dev(dev);
if (ret) {
null_free_dev(dev);
diff --git a/drivers/block/paride/Kconfig b/drivers/block/paride/Kconfig
index b226835a909a..f8bd6ef3605a 100644
--- a/drivers/block/paride/Kconfig
+++ b/drivers/block/paride/Kconfig
@@ -26,6 +26,7 @@ config PARIDE_PD
config PARIDE_PCD
tristate "Parallel port ATAPI CD-ROMs"
depends on PARIDE
+ select CDROM
select BLK_SCSI_REQUEST # only for the generic cdrom code
---help---
This option enables the high-level driver for ATAPI CD-ROM devices
diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c
index 64d0fc17c174..2819f23e8bf2 100644
--- a/drivers/block/skd_main.c
+++ b/drivers/block/skd_main.c
@@ -1967,7 +1967,8 @@ static void skd_isr_msg_from_dev(struct skd_device *skdev)
break;
case FIT_MTD_CMD_LOG_HOST_ID:
- skdev->connect_time_stamp = get_seconds();
+ /* hardware interface overflows in y2106 */
+ skdev->connect_time_stamp = (u32)ktime_get_real_seconds();
data = skdev->connect_time_stamp & 0xFFFF;
mtd = FIT_MXD_CONS(FIT_MTD_CMD_LOG_TIME_STAMP_LO, 0, data);
SKD_WRITEL(skdev, mtd, FIT_MSG_TO_DEVICE);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 15:32:52 +0000