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-rw-r--r--drivers/block/Kconfig3
-rw-r--r--drivers/block/Makefile1
-rw-r--r--drivers/block/drbd/Kconfig1
-rw-r--r--drivers/block/drbd/Makefile1
-rw-r--r--drivers/block/drbd/drbd_debugfs.c1
-rw-r--r--drivers/block/drbd/drbd_debugfs.h1
-rw-r--r--drivers/block/drbd/drbd_interval.c1
-rw-r--r--drivers/block/drbd/drbd_interval.h1
-rw-r--r--drivers/block/drbd/drbd_nla.c1
-rw-r--r--drivers/block/drbd/drbd_nla.h1
-rw-r--r--drivers/block/drbd/drbd_protocol.h1
-rw-r--r--drivers/block/drbd/drbd_state.h1
-rw-r--r--drivers/block/drbd/drbd_state_change.h1
-rw-r--r--drivers/block/drbd/drbd_strings.h1
-rw-r--r--drivers/block/mtip32xx/Kconfig1
-rw-r--r--drivers/block/nbd.c21
-rw-r--r--drivers/block/paride/Kconfig1
-rw-r--r--drivers/block/paride/Makefile1
-rw-r--r--drivers/block/paride/mkd1
-rw-r--r--drivers/block/rbd.c4
-rw-r--r--drivers/block/skd_main.c2
-rw-r--r--drivers/block/virtio_blk.c12
-rw-r--r--drivers/block/zram/Kconfig1
-rw-r--r--drivers/block/zram/zram_drv.c36
24 files changed, 64 insertions, 32 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 4a438b8abe27..7b2df7a54d87 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Block device driver configuration
#
@@ -17,7 +18,7 @@ if BLK_DEV
config BLK_DEV_NULL_BLK
tristate "Null test block driver"
- depends on CONFIGFS_FS
+ select CONFIGFS_FS
config BLK_DEV_FD
tristate "Normal floppy disk support"
diff --git a/drivers/block/Makefile b/drivers/block/Makefile
index 1f456d86a190..dc061158b403 100644
--- a/drivers/block/Makefile
+++ b/drivers/block/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the kernel block device drivers.
#
diff --git a/drivers/block/drbd/Kconfig b/drivers/block/drbd/Kconfig
index 7845bd6ee414..87aab6910d2d 100644
--- a/drivers/block/drbd/Kconfig
+++ b/drivers/block/drbd/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# DRBD device driver configuration
#
diff --git a/drivers/block/drbd/Makefile b/drivers/block/drbd/Makefile
index 4464e353c1e8..8bd534697d1b 100644
--- a/drivers/block/drbd/Makefile
+++ b/drivers/block/drbd/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
drbd-y := drbd_bitmap.o drbd_proc.o
drbd-y += drbd_worker.o drbd_receiver.o drbd_req.o drbd_actlog.o
drbd-y += drbd_main.o drbd_strings.o drbd_nl.o
diff --git a/drivers/block/drbd/drbd_debugfs.c b/drivers/block/drbd/drbd_debugfs.c
index 494837e59f23..ab21976a87b2 100644
--- a/drivers/block/drbd/drbd_debugfs.c
+++ b/drivers/block/drbd/drbd_debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#define pr_fmt(fmt) "drbd debugfs: " fmt
#include <linux/kernel.h>
#include <linux/module.h>
diff --git a/drivers/block/drbd/drbd_debugfs.h b/drivers/block/drbd/drbd_debugfs.h
index 8bee21340dce..4ecfbb3358d7 100644
--- a/drivers/block/drbd/drbd_debugfs.h
+++ b/drivers/block/drbd/drbd_debugfs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/debugfs.h>
diff --git a/drivers/block/drbd/drbd_interval.c b/drivers/block/drbd/drbd_interval.c
index 51b25ad85251..c58986556161 100644
--- a/drivers/block/drbd/drbd_interval.c
+++ b/drivers/block/drbd/drbd_interval.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <asm/bug.h>
#include <linux/rbtree_augmented.h>
#include "drbd_interval.h"
diff --git a/drivers/block/drbd/drbd_interval.h b/drivers/block/drbd/drbd_interval.h
index 23c5a94428d2..b8c2dee5edc8 100644
--- a/drivers/block/drbd/drbd_interval.h
+++ b/drivers/block/drbd/drbd_interval.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __DRBD_INTERVAL_H
#define __DRBD_INTERVAL_H
diff --git a/drivers/block/drbd/drbd_nla.c b/drivers/block/drbd/drbd_nla.c
index 6bf806df60dc..8e261cb5198b 100644
--- a/drivers/block/drbd/drbd_nla.c
+++ b/drivers/block/drbd/drbd_nla.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/kernel.h>
#include <net/netlink.h>
#include <linux/drbd_genl_api.h>
diff --git a/drivers/block/drbd/drbd_nla.h b/drivers/block/drbd/drbd_nla.h
index 679c2d5b4535..f5eaffb6474e 100644
--- a/drivers/block/drbd/drbd_nla.h
+++ b/drivers/block/drbd/drbd_nla.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __DRBD_NLA_H
#define __DRBD_NLA_H
diff --git a/drivers/block/drbd/drbd_protocol.h b/drivers/block/drbd/drbd_protocol.h
index 4d296800f706..c3081f93051c 100644
--- a/drivers/block/drbd/drbd_protocol.h
+++ b/drivers/block/drbd/drbd_protocol.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __DRBD_PROTOCOL_H
#define __DRBD_PROTOCOL_H
diff --git a/drivers/block/drbd/drbd_state.h b/drivers/block/drbd/drbd_state.h
index 0276c98fbbdd..ea58301d0895 100644
--- a/drivers/block/drbd/drbd_state.h
+++ b/drivers/block/drbd/drbd_state.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef DRBD_STATE_H
#define DRBD_STATE_H
diff --git a/drivers/block/drbd/drbd_state_change.h b/drivers/block/drbd/drbd_state_change.h
index 9e503a1a0bfb..ba80f612d6ab 100644
--- a/drivers/block/drbd/drbd_state_change.h
+++ b/drivers/block/drbd/drbd_state_change.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef DRBD_STATE_CHANGE_H
#define DRBD_STATE_CHANGE_H
diff --git a/drivers/block/drbd/drbd_strings.h b/drivers/block/drbd/drbd_strings.h
index f9923cc88afb..87b94a27358a 100644
--- a/drivers/block/drbd/drbd_strings.h
+++ b/drivers/block/drbd/drbd_strings.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __DRBD_STRINGS_H
#define __DRBD_STRINGS_H
diff --git a/drivers/block/mtip32xx/Kconfig b/drivers/block/mtip32xx/Kconfig
index 0ba837fc62a8..bf221358567e 100644
--- a/drivers/block/mtip32xx/Kconfig
+++ b/drivers/block/mtip32xx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# mtip32xx device driver configuration
#
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 3684e21d543f..9adfb5445f8d 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -243,7 +243,6 @@ static void nbd_size_set(struct nbd_device *nbd, loff_t blocksize,
struct nbd_config *config = nbd->config;
config->blksize = blocksize;
config->bytesize = blocksize * nr_blocks;
- nbd_size_update(nbd);
}
static void nbd_complete_rq(struct request *req)
@@ -387,6 +386,15 @@ static int sock_xmit(struct nbd_device *nbd, int index, int send,
return result;
}
+/*
+ * Different settings for sk->sk_sndtimeo can result in different return values
+ * if there is a signal pending when we enter sendmsg, because reasons?
+ */
+static inline int was_interrupted(int result)
+{
+ return result == -ERESTARTSYS || result == -EINTR;
+}
+
/* always call with the tx_lock held */
static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index)
{
@@ -459,7 +467,7 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index)
result = sock_xmit(nbd, index, 1, &from,
(type == NBD_CMD_WRITE) ? MSG_MORE : 0, &sent);
if (result <= 0) {
- if (result == -ERESTARTSYS) {
+ if (was_interrupted(result)) {
/* If we havne't sent anything we can just return BUSY,
* however if we have sent something we need to make
* sure we only allow this req to be sent until we are
@@ -503,7 +511,7 @@ send_pages:
}
result = sock_xmit(nbd, index, 1, &from, flags, &sent);
if (result <= 0) {
- if (result == -ERESTARTSYS) {
+ if (was_interrupted(result)) {
/* We've already sent the header, we
* have no choice but to set pending and
* return BUSY.
@@ -820,9 +828,13 @@ static blk_status_t nbd_queue_rq(struct blk_mq_hw_ctx *hctx,
* appropriate.
*/
ret = nbd_handle_cmd(cmd, hctx->queue_num);
+ if (ret < 0)
+ ret = BLK_STS_IOERR;
+ else if (!ret)
+ ret = BLK_STS_OK;
complete(&cmd->send_complete);
- return ret < 0 ? BLK_STS_IOERR : BLK_STS_OK;
+ return ret;
}
static int nbd_add_socket(struct nbd_device *nbd, unsigned long arg,
@@ -1090,6 +1102,7 @@ static int nbd_start_device(struct nbd_device *nbd)
args->index = i;
queue_work(recv_workqueue, &args->work);
}
+ nbd_size_update(nbd);
return error;
}
diff --git a/drivers/block/paride/Kconfig b/drivers/block/paride/Kconfig
index 3a15247942e4..b226835a909a 100644
--- a/drivers/block/paride/Kconfig
+++ b/drivers/block/paride/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# PARIDE configuration
#
diff --git a/drivers/block/paride/Makefile b/drivers/block/paride/Makefile
index a539e004bb7a..cf1742a8475e 100644
--- a/drivers/block/paride/Makefile
+++ b/drivers/block/paride/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for Parallel port IDE device drivers.
#
diff --git a/drivers/block/paride/mkd b/drivers/block/paride/mkd
index 971f099b40aa..6d0d802479ea 100644
--- a/drivers/block/paride/mkd
+++ b/drivers/block/paride/mkd
@@ -1,4 +1,5 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
#
# mkd -- a script to create the device special files for the PARIDE subsystem
#
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index b640ad8a6d20..adc877dfef5c 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -2692,7 +2692,7 @@ static int rbd_img_obj_parent_read_full(struct rbd_obj_request *obj_request)
* from the parent.
*/
page_count = (u32)calc_pages_for(0, length);
- pages = ceph_alloc_page_vector(page_count, GFP_KERNEL);
+ pages = ceph_alloc_page_vector(page_count, GFP_NOIO);
if (IS_ERR(pages)) {
result = PTR_ERR(pages);
pages = NULL;
@@ -2827,7 +2827,7 @@ static int rbd_img_obj_exists_submit(struct rbd_obj_request *obj_request)
*/
size = sizeof (__le64) + sizeof (__le32) + sizeof (__le32);
page_count = (u32)calc_pages_for(0, size);
- pages = ceph_alloc_page_vector(page_count, GFP_KERNEL);
+ pages = ceph_alloc_page_vector(page_count, GFP_NOIO);
if (IS_ERR(pages)) {
ret = PTR_ERR(pages);
goto fail_stat_request;
diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c
index 7cedb4295e9d..64d0fc17c174 100644
--- a/drivers/block/skd_main.c
+++ b/drivers/block/skd_main.c
@@ -2604,7 +2604,7 @@ static void *skd_alloc_dma(struct skd_device *skdev, struct kmem_cache *s,
return NULL;
*dma_handle = dma_map_single(dev, buf, s->size, dir);
if (dma_mapping_error(dev, *dma_handle)) {
- kfree(buf);
+ kmem_cache_free(s, buf);
buf = NULL;
}
return buf;
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 34e17ee799be..68846897d213 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -593,10 +593,22 @@ static int virtblk_map_queues(struct blk_mq_tag_set *set)
return blk_mq_virtio_map_queues(set, vblk->vdev, 0);
}
+#ifdef CONFIG_VIRTIO_BLK_SCSI
+static void virtblk_initialize_rq(struct request *req)
+{
+ struct virtblk_req *vbr = blk_mq_rq_to_pdu(req);
+
+ scsi_req_init(&vbr->sreq);
+}
+#endif
+
static const struct blk_mq_ops virtio_mq_ops = {
.queue_rq = virtio_queue_rq,
.complete = virtblk_request_done,
.init_request = virtblk_init_request,
+#ifdef CONFIG_VIRTIO_BLK_SCSI
+ .initialize_rq_fn = virtblk_initialize_rq,
+#endif
.map_queues = virtblk_map_queues,
};
diff --git a/drivers/block/zram/Kconfig b/drivers/block/zram/Kconfig
index 7cd4a8ec3c8f..ac3a31d433b2 100644
--- a/drivers/block/zram/Kconfig
+++ b/drivers/block/zram/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
config ZRAM
tristate "Compressed RAM block device support"
depends on BLOCK && SYSFS && ZSMALLOC && CRYPTO
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 2981c27d3aae..f149d3e61234 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -766,27 +766,6 @@ static void zram_slot_unlock(struct zram *zram, u32 index)
bit_spin_unlock(ZRAM_ACCESS, &zram->table[index].value);
}
-static bool zram_same_page_read(struct zram *zram, u32 index,
- struct page *page,
- unsigned int offset, unsigned int len)
-{
- zram_slot_lock(zram, index);
- if (unlikely(!zram_get_handle(zram, index) ||
- zram_test_flag(zram, index, ZRAM_SAME))) {
- void *mem;
-
- zram_slot_unlock(zram, index);
- mem = kmap_atomic(page);
- zram_fill_page(mem + offset, len,
- zram_get_element(zram, index));
- kunmap_atomic(mem);
- return true;
- }
- zram_slot_unlock(zram, index);
-
- return false;
-}
-
static void zram_meta_free(struct zram *zram, u64 disksize)
{
size_t num_pages = disksize >> PAGE_SHIFT;
@@ -884,11 +863,20 @@ static int __zram_bvec_read(struct zram *zram, struct page *page, u32 index,
zram_slot_unlock(zram, index);
}
- if (zram_same_page_read(zram, index, page, 0, PAGE_SIZE))
- return 0;
-
zram_slot_lock(zram, index);
handle = zram_get_handle(zram, index);
+ if (!handle || zram_test_flag(zram, index, ZRAM_SAME)) {
+ unsigned long value;
+ void *mem;
+
+ value = handle ? zram_get_element(zram, index) : 0;
+ mem = kmap_atomic(page);
+ zram_fill_page(mem, PAGE_SIZE, value);
+ kunmap_atomic(mem);
+ zram_slot_unlock(zram, index);
+ return 0;
+ }
+
size = zram_get_obj_size(zram, index);
src = zs_map_object(zram->mem_pool, handle, ZS_MM_RO);
generated by cgit (git 2.34.1) at 2024-05-27 18:48:54 +0000