Merge tag 'for-6.5/block-2023-06-23' of git://git.kernel.dk/linux

Pull block updates from Jens Axboe:

 - NVMe pull request via Keith:
      - Various cleanups all around (Irvin, Chaitanya, Christophe)
      - Better struct packing (Christophe JAILLET)
      - Reduce controller error logs for optional commands (Keith)
      - Support for >=64KiB block sizes (Daniel Gomez)
      - Fabrics fixes and code organization (Max, Chaitanya, Daniel
        Wagner)

 - bcache updates via Coly:
      - Fix a race at init time (Mingzhe Zou)
      - Misc fixes and cleanups (Andrea, Thomas, Zheng, Ye)

 - use page pinning in the block layer for dio (David)

 - convert old block dio code to page pinning (David, Christoph)

 - cleanups for pktcdvd (Andy)

 - cleanups for rnbd (Guoqing)

 - use the unchecked __bio_add_page() for the initial single page
   additions (Johannes)

 - fix overflows in the Amiga partition handling code (Michael)

 - improve mq-deadline zoned device support (Bart)

 - keep passthrough requests out of the IO schedulers (Christoph, Ming)

 - improve support for flush requests, making them less special to deal
   with (Christoph)

 - add bdev holder ops and shutdown methods (Christoph)

 - fix the name_to_dev_t() situation and use cases (Christoph)

 - decouple the block open flags from fmode_t (Christoph)

 - ublk updates and cleanups, including adding user copy support (Ming)

 - BFQ sanity checking (Bart)

 - convert brd from radix to xarray (Pankaj)

 - constify various structures (Thomas, Ivan)

 - more fine grained persistent reservation ioctl capability checks
   (Jingbo)

 - misc fixes and cleanups (Arnd, Azeem, Demi, Ed, Hengqi, Hou, Jan,
   Jordy, Li, Min, Yu, Zhong, Waiman)

* tag 'for-6.5/block-2023-06-23' of git://git.kernel.dk/linux: (266 commits)
  scsi/sg: don't grab scsi host module reference
  ext4: Fix warning in blkdev_put()
  block: don't return -EINVAL for not found names in devt_from_devname
  cdrom: Fix spectre-v1 gadget
  block: Improve kernel-doc headers
  blk-mq: don't insert passthrough request into sw queue
  bsg: make bsg_class a static const structure
  ublk: make ublk_chr_class a static const structure
  aoe: make aoe_class a static const structure
  block/rnbd: make all 'class' structures const
  block: fix the exclusive open mask in disk_scan_partitions
  block: add overflow checks for Amiga partition support
  block: change all __u32 annotations to __be32 in affs_hardblocks.h
  block: fix signed int overflow in Amiga partition support
  block: add capacity validation in bdev_add_partition()
  block: fine-granular CAP_SYS_ADMIN for Persistent Reservation
  block: disallow Persistent Reservation on partitions
  reiserfs: fix blkdev_put() warning from release_journal_dev()
  block: fix wrong mode for blkdev_get_by_dev() from disk_scan_partitions()
  block: document the holder argument to blkdev_get_by_path
  ...

5 files changed, 15 insertions, 16 deletions

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 9fbfce735d56..45788955c4e6 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -3234,12 +3234,12 @@ struct blk_mq_ops dasd_mq_ops = {
 	.exit_hctx = dasd_exit_hctx,
 };
 
-static int dasd_open(struct block_device *bdev, fmode_t mode)
+static int dasd_open(struct gendisk *disk, blk_mode_t mode)
 {
 	struct dasd_device *base;
 	int rc;
 
-	base = dasd_device_from_gendisk(bdev->bd_disk);
+	base = dasd_device_from_gendisk(disk);
 	if (!base)
 		return -ENODEV;
 
@@ -3268,14 +3268,12 @@ static int dasd_open(struct block_device *bdev, fmode_t mode)
 		rc = -ENODEV;
 		goto out;
 	}
-
-	if ((mode & FMODE_WRITE) &&
+	if ((mode & BLK_OPEN_WRITE) &&
 	    (test_bit(DASD_FLAG_DEVICE_RO, &base->flags) ||
 	     (base->features & DASD_FEATURE_READONLY))) {
 		rc = -EROFS;
 		goto out;
 	}
-
 	dasd_put_device(base);
 	return 0;
 
@@ -3287,7 +3285,7 @@ unlock:
 	return rc;
 }
 
-static void dasd_release(struct gendisk *disk, fmode_t mode)
+static void dasd_release(struct gendisk *disk)
 {
 	struct dasd_device *base = dasd_device_from_gendisk(disk);
 	if (base) {
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index 998a961e1704..fe5108a1b332 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -130,7 +130,8 @@ int dasd_scan_partitions(struct dasd_block *block)
 	struct block_device *bdev;
 	int rc;
 
-	bdev = blkdev_get_by_dev(disk_devt(block->gdp), FMODE_READ, NULL);
+	bdev = blkdev_get_by_dev(disk_devt(block->gdp), BLK_OPEN_READ, NULL,
+				 NULL);
 	if (IS_ERR(bdev)) {
 		DBF_DEV_EVENT(DBF_ERR, block->base,
 			      "scan partitions error, blkdev_get returned %ld",
@@ -179,7 +180,7 @@ void dasd_destroy_partitions(struct dasd_block *block)
 	mutex_unlock(&bdev->bd_disk->open_mutex);
 
 	/* Matching blkdev_put to the blkdev_get in dasd_scan_partitions. */
-	blkdev_put(bdev, FMODE_READ);
+	blkdev_put(bdev, NULL);
 }
 
 int dasd_gendisk_init(void)
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 33f812f0e515..0aa56351da72 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -965,7 +965,8 @@ int dasd_scan_partitions(struct dasd_block *);
 void dasd_destroy_partitions(struct dasd_block *);
 
 /* externals in dasd_ioctl.c */
-int dasd_ioctl(struct block_device *, fmode_t, unsigned int, unsigned long);
+int dasd_ioctl(struct block_device *bdev, blk_mode_t mode, unsigned int cmd,
+		unsigned long arg);
 int dasd_set_read_only(struct block_device *bdev, bool ro);
 
 /* externals in dasd_proc.c */
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index 8fca725b3dae..513a7e6eee63 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -612,7 +612,7 @@ static int dasd_ioctl_readall_cmb(struct dasd_block *block, unsigned int cmd,
 	return ret;
 }
 
-int dasd_ioctl(struct block_device *bdev, fmode_t mode,
+int dasd_ioctl(struct block_device *bdev, blk_mode_t mode,
 	       unsigned int cmd, unsigned long arg)
 {
 	struct dasd_block *block;
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index c09f2e053bf8..200f88f0e451 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -28,8 +28,8 @@
 #define DCSSBLK_PARM_LEN 400
 #define DCSS_BUS_ID_SIZE 20
 
-static int dcssblk_open(struct block_device *bdev, fmode_t mode);
-static void dcssblk_release(struct gendisk *disk, fmode_t mode);
+static int dcssblk_open(struct gendisk *disk, blk_mode_t mode);
+static void dcssblk_release(struct gendisk *disk);
 static void dcssblk_submit_bio(struct bio *bio);
 static long dcssblk_dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff,
 		long nr_pages, enum dax_access_mode mode, void **kaddr,
@@ -809,12 +809,11 @@ out_buf:
 }
 
 static int
-dcssblk_open(struct block_device *bdev, fmode_t mode)
+dcssblk_open(struct gendisk *disk, blk_mode_t mode)
 {
-	struct dcssblk_dev_info *dev_info;
+	struct dcssblk_dev_info *dev_info = disk->private_data;
 	int rc;
 
-	dev_info = bdev->bd_disk->private_data;
 	if (NULL == dev_info) {
 		rc = -ENODEV;
 		goto out;
@@ -826,7 +825,7 @@ out:
 }
 
 static void
-dcssblk_release(struct gendisk *disk, fmode_t mode)
+dcssblk_release(struct gendisk *disk)
 {
 	struct dcssblk_dev_info *dev_info = disk->private_data;
 	struct segment_info *entry;