Merge tag 'for-6.2/block-2022-12-08' of git://git.kernel.dk/linux

Pull block updates from Jens Axboe:

 - NVMe pull requests via Christoph:
      - Support some passthrough commands without CAP_SYS_ADMIN (Kanchan
        Joshi)
      - Refactor PCIe probing and reset (Christoph Hellwig)
      - Various fabrics authentication fixes and improvements (Sagi
        Grimberg)
      - Avoid fallback to sequential scan due to transient issues (Uday
        Shankar)
      - Implement support for the DEAC bit in Write Zeroes (Christoph
        Hellwig)
      - Allow overriding the IEEE OUI and firmware revision in configfs
        for nvmet (Aleksandr Miloserdov)
      - Force reconnect when number of queue changes in nvmet (Daniel
        Wagner)
      - Minor fixes and improvements (Uros Bizjak, Joel Granados, Sagi
        Grimberg, Christoph Hellwig, Christophe JAILLET)
      - Fix and cleanup nvme-fc req allocation (Chaitanya Kulkarni)
      - Use the common tagset helpers in nvme-pci driver (Christoph
        Hellwig)
      - Cleanup the nvme-pci removal path (Christoph Hellwig)
      - Use kstrtobool() instead of strtobool (Christophe JAILLET)
      - Allow unprivileged passthrough of Identify Controller (Joel
        Granados)
      - Support io stats on the mpath device (Sagi Grimberg)
      - Minor nvmet cleanup (Sagi Grimberg)

 - MD pull requests via Song:
      - Code cleanups (Christoph)
      - Various fixes

 - Floppy pull request from Denis:
      - Fix a memory leak in the init error path (Yuan)

 - Series fixing some batch wakeup issues with sbitmap (Gabriel)

 - Removal of the pktcdvd driver that was deprecated more than 5 years
   ago, and subsequent removal of the devnode callback in struct
   block_device_operations as no users are now left (Greg)

 - Fix for partition read on an exclusively opened bdev (Jan)

 - Series of elevator API cleanups (Jinlong, Christoph)

 - Series of fixes and cleanups for blk-iocost (Kemeng)

 - Series of fixes and cleanups for blk-throttle (Kemeng)

 - Series adding concurrent support for sync queues in BFQ (Yu)

 - Series bringing drbd a bit closer to the out-of-tree maintained
   version (Christian, Joel, Lars, Philipp)

 - Misc drbd fixes (Wang)

 - blk-wbt fixes and tweaks for enable/disable (Yu)

 - Fixes for mq-deadline for zoned devices (Damien)

 - Add support for read-only and offline zones for null_blk
   (Shin'ichiro)

 - Series fixing the delayed holder tracking, as used by DM (Yu,
   Christoph)

 - Series enabling bio alloc caching for IRQ based IO (Pavel)

 - Series enabling userspace peer-to-peer DMA (Logan)

 - BFQ waker fixes (Khazhismel)

 - Series fixing elevator refcount issues (Christoph, Jinlong)

 - Series cleaning up references around queue destruction (Christoph)

 - Series doing quiesce by tagset, enabling cleanups in drivers
   (Christoph, Chao)

 - Series untangling the queue kobject and queue references (Christoph)

 - Misc fixes and cleanups (Bart, David, Dawei, Jinlong, Kemeng, Ye,
   Yang, Waiman, Shin'ichiro, Randy, Pankaj, Christoph)

* tag 'for-6.2/block-2022-12-08' of git://git.kernel.dk/linux: (247 commits)
  blktrace: Fix output non-blktrace event when blk_classic option enabled
  block: sed-opal: Don't include <linux/kernel.h>
  sed-opal: allow using IOC_OPAL_SAVE for locking too
  blk-cgroup: Fix typo in comment
  block: remove bio_set_op_attrs
  nvmet: don't open-code NVME_NS_ATTR_RO enumeration
  nvme-pci: use the tagset alloc/free helpers
  nvme: add the Apple shared tag workaround to nvme_alloc_io_tag_set
  nvme: only set reserved_tags in nvme_alloc_io_tag_set for fabrics controllers
  nvme: consolidate setting the tagset flags
  nvme: pass nr_maps explicitly to nvme_alloc_io_tag_set
  block: bio_copy_data_iter
  nvme-pci: split out a nvme_pci_ctrl_is_dead helper
  nvme-pci: return early on ctrl state mismatch in nvme_reset_work
  nvme-pci: rename nvme_disable_io_queues
  nvme-pci: cleanup nvme_suspend_queue
  nvme-pci: remove nvme_pci_disable
  nvme-pci: remove nvme_disable_admin_queue
  nvme: merge nvme_shutdown_ctrl into nvme_disable_ctrl
  nvme: use nvme_wait_ready in nvme_shutdown_ctrl
  ...

1 files changed, 141 insertions, 0 deletions

diff --git a/drivers/block/drbd/drbd_polymorph_printk.h b/drivers/block/drbd/drbd_polymorph_printk.h
new file mode 100644
index 000000000000..8e0082d139ba
--- /dev/null
+++ b/drivers/block/drbd/drbd_polymorph_printk.h
@@ -0,0 +1,141 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef DRBD_POLYMORPH_PRINTK_H
+#define DRBD_POLYMORPH_PRINTK_H
+
+#if !defined(CONFIG_DYNAMIC_DEBUG)
+#undef DEFINE_DYNAMIC_DEBUG_METADATA
+#undef __dynamic_pr_debug
+#undef DYNAMIC_DEBUG_BRANCH
+#define DEFINE_DYNAMIC_DEBUG_METADATA(D, F) const char *D = F; ((void)D)
+#define __dynamic_pr_debug(D, F, args...) do { (void)(D); if (0) printk(F, ## args); } while (0)
+#define DYNAMIC_DEBUG_BRANCH(D) false
+#endif
+
+
+#define __drbd_printk_drbd_device_prep(device)			\
+	const struct drbd_device *__d = (device);		\
+	const struct drbd_resource *__r = __d->resource
+#define __drbd_printk_drbd_device_fmt(fmt)	"drbd %s/%u drbd%u: " fmt
+#define __drbd_printk_drbd_device_args()	__r->name, __d->vnr, __d->minor
+#define __drbd_printk_drbd_device_unprep()
+
+#define __drbd_printk_drbd_peer_device_prep(peer_device)	\
+	const struct drbd_device *__d;				\
+	const struct drbd_resource *__r;			\
+	__d = (peer_device)->device;				\
+	__r = __d->resource
+#define __drbd_printk_drbd_peer_device_fmt(fmt) \
+	"drbd %s/%u drbd%u: " fmt
+#define __drbd_printk_drbd_peer_device_args() \
+	__r->name, __d->vnr, __d->minor
+#define __drbd_printk_drbd_peer_device_unprep()
+
+#define __drbd_printk_drbd_resource_prep(resource) \
+	const struct drbd_resource *__r = resource
+#define __drbd_printk_drbd_resource_fmt(fmt) "drbd %s: " fmt
+#define __drbd_printk_drbd_resource_args()	__r->name
+#define __drbd_printk_drbd_resource_unprep(resource)
+
+#define __drbd_printk_drbd_connection_prep(connection)		\
+	const struct drbd_connection *__c = (connection);	\
+	const struct drbd_resource *__r = __c->resource
+#define __drbd_printk_drbd_connection_fmt(fmt)			\
+	"drbd %s: " fmt
+#define __drbd_printk_drbd_connection_args()			\
+	__r->name
+#define __drbd_printk_drbd_connection_unprep()
+
+void drbd_printk_with_wrong_object_type(void);
+void drbd_dyn_dbg_with_wrong_object_type(void);
+
+#define __drbd_printk_choose_cond(obj, struct_name) \
+	(__builtin_types_compatible_p(typeof(obj), struct struct_name *) || \
+	 __builtin_types_compatible_p(typeof(obj), const struct struct_name *))
+#define __drbd_printk_if_same_type(obj, struct_name, level, fmt, args...) \
+	__drbd_printk_choose_cond(obj, struct_name), \
+({ \
+	__drbd_printk_ ## struct_name ## _prep((const struct struct_name *)(obj)); \
+	printk(level __drbd_printk_ ## struct_name ## _fmt(fmt), \
+		__drbd_printk_ ## struct_name ## _args(), ## args); \
+	__drbd_printk_ ## struct_name ## _unprep(); \
+})
+
+#define drbd_printk(level, obj, fmt, args...) \
+	__builtin_choose_expr( \
+	  __drbd_printk_if_same_type(obj, drbd_device, level, fmt, ## args), \
+	  __builtin_choose_expr( \
+	    __drbd_printk_if_same_type(obj, drbd_resource, level, fmt, ## args), \
+	    __builtin_choose_expr( \
+	      __drbd_printk_if_same_type(obj, drbd_connection, level, fmt, ## args), \
+	      __builtin_choose_expr( \
+		__drbd_printk_if_same_type(obj, drbd_peer_device, level, fmt, ## args), \
+		drbd_printk_with_wrong_object_type()))))
+
+#define __drbd_dyn_dbg_if_same_type(obj, struct_name, fmt, args...) \
+	__drbd_printk_choose_cond(obj, struct_name), \
+({ \
+	DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);		\
+	if (DYNAMIC_DEBUG_BRANCH(descriptor)) {			\
+		__drbd_printk_ ## struct_name ## _prep((const struct struct_name *)(obj)); \
+		__dynamic_pr_debug(&descriptor, __drbd_printk_ ## struct_name ## _fmt(fmt), \
+			__drbd_printk_ ## struct_name ## _args(), ## args); \
+		__drbd_printk_ ## struct_name ## _unprep();	\
+	}							\
+})
+
+#define dynamic_drbd_dbg(obj, fmt, args...) \
+	__builtin_choose_expr( \
+	  __drbd_dyn_dbg_if_same_type(obj, drbd_device, fmt, ## args), \
+	  __builtin_choose_expr( \
+	    __drbd_dyn_dbg_if_same_type(obj, drbd_resource, fmt, ## args), \
+	    __builtin_choose_expr( \
+	      __drbd_dyn_dbg_if_same_type(obj, drbd_connection, fmt, ## args), \
+	      __builtin_choose_expr( \
+		__drbd_dyn_dbg_if_same_type(obj, drbd_peer_device, fmt, ## args), \
+		drbd_dyn_dbg_with_wrong_object_type()))))
+
+#define drbd_emerg(device, fmt, args...) \
+	drbd_printk(KERN_EMERG, device, fmt, ## args)
+#define drbd_alert(device, fmt, args...) \
+	drbd_printk(KERN_ALERT, device, fmt, ## args)
+#define drbd_crit(device, fmt, args...) \
+	drbd_printk(KERN_CRIT, device, fmt, ## args)
+#define drbd_err(device, fmt, args...) \
+	drbd_printk(KERN_ERR, device, fmt, ## args)
+#define drbd_warn(device, fmt, args...) \
+	drbd_printk(KERN_WARNING, device, fmt, ## args)
+#define drbd_notice(device, fmt, args...) \
+	drbd_printk(KERN_NOTICE, device, fmt, ## args)
+#define drbd_info(device, fmt, args...) \
+	drbd_printk(KERN_INFO, device, fmt, ## args)
+
+
+#define drbd_ratelimit() \
+({						\
+	static DEFINE_RATELIMIT_STATE(_rs,	\
+		DEFAULT_RATELIMIT_INTERVAL,	\
+		DEFAULT_RATELIMIT_BURST);	\
+	__ratelimit(&_rs);			\
+})
+
+#define D_ASSERT(x, exp)							\
+	do {									\
+		if (!(exp))							\
+			drbd_err(x, "ASSERTION %s FAILED in %s\n",		\
+				#exp, __func__);				\
+	} while (0)
+
+/**
+ * expect  -  Make an assertion
+ *
+ * Unlike the assert macro, this macro returns a boolean result.
+ */
+#define expect(x, exp) ({							\
+		bool _bool = (exp);						\
+		if (!_bool && drbd_ratelimit())					\
+			drbd_err(x, "ASSERTION %s FAILED in %s\n",		\
+				#exp, __func__);				\
+		_bool;								\
+		})
+
+#endif