Merge: block: update with v6.14

MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-9/-/merge_requests/6580

JIRA: https://issues.redhat.com/browse/RHEL-79409

we don't backport  "block: Fix potential deadlock while freezing queue and acquiring sysfs_lock

Omitted-Fix: 224749b ("block: Revert "block: Fix potential deadlock while freezing queue and acquiring sysfs_lock"")

Omitted-Fix: 2fa07d7 ("btrfs: pass write-hint for buffered IO")

Omitted-Fix: e559ee0 ("btrfs: validate queue limits")

Omitted-Fix: 7467bc5 ("btrfs: zoned: calculate max_extent_size properly on non-zoned setup")

Omitted-Fix: c7c97ce ("btrfs: handle bio_split() errors")

Signed-off-by: Ming Lei <ming.lei@redhat.com>

Approved-by: Ewan D. Milne <emilne@redhat.com>
Approved-by: Maurizio Lombardi <mlombard@redhat.com>
Approved-by: Rafael Aquini <raquini@redhat.com>
Approved-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Approved-by: Steve Best <sbest@redhat.com>
Approved-by: CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com>

Merged-by: Augusto Caringi <acaringi@redhat.com>

Author: caringi

Documentation/ABI/stable/sysfs-block

@@ -420,6 +420,13 @@ Description:
 		write_zeroes_max_bytes is 0, write zeroes is not supported
 		by the device.
 
+What:		/sys/block/<disk>/queue/iostats_passthrough
+Date:		October 2024
+Contact:	linux-block@vger.kernel.org
+Description:
+		[RW] This file is used to control (on/off) the iostats
+		accounting of the disk for passthrough commands.
+
 
 What:		/sys/block/<disk>/queue/zoned
 Date:		September 2016

Documentation/block/cmdline-partition.rst

@@ -39,13 +39,16 @@ blkdevparts=<blkdev-def>[;<blkdev-def>]
     create a link to block device partition with the name "PARTNAME".
     User space application can access partition by partition name.
 
+ro
+    read-only. Flag the partition as read-only.
+
 Example:
 
     eMMC disk names are "mmcblk0" and "mmcblk0boot0".
 
   bootargs::
 
-    'blkdevparts=mmcblk0:1G(data0),1G(data1),-;mmcblk0boot0:1m(boot),-(kernel)'
+    'blkdevparts=mmcblk0:1G(data0),1G(data1),-;mmcblk0boot0:1m(boot)ro,-(kernel)'
 
   dmesg::
 

arch/arc/include/asm/io.h

@@ -43,9 +43,6 @@ extern void iounmap(const void __iomem *addr);
 #define iowrite16be(v,p)	({ __iowmb(); __raw_writew((__force u16)cpu_to_be16(v), p); })
 #define iowrite32be(v,p)	({ __iowmb(); __raw_writel((__force u32)cpu_to_be32(v), p); })
 
-/* Change struct page to physical address */
-#define page_to_phys(page)		(page_to_pfn(page) << PAGE_SHIFT)
-
 #define __raw_readb __raw_readb
 static inline u8 __raw_readb(const volatile void __iomem *addr)
 {

arch/arm/include/asm/memory.h

@@ -142,12 +142,6 @@ extern unsigned long vectors_base;
 #define DTCM_OFFSET	UL(0xfffe8000)
 #endif
 
-/*
- * Convert a page to/from a physical address
- */
-#define page_to_phys(page)	(__pfn_to_phys(page_to_pfn(page)))
-#define phys_to_page(phys)	(pfn_to_page(__phys_to_pfn(phys)))
-
 /*
  * PLAT_PHYS_OFFSET is the offset (from zero) of the start of physical
  * memory.  This is used for XIP and NoMMU kernels, and on platforms that don't

arch/arm64/include/asm/memory.h

@@ -351,12 +351,6 @@ extern phys_addr_t __phys_addr_symbol(unsigned long x);
 #define __phys_to_virt(x)	((unsigned long)((x) - PHYS_OFFSET) | PAGE_OFFSET)
 #define __phys_to_kimg(x)	((unsigned long)((x) + kimage_voffset))
 
-/*
- * Convert a page to/from a physical address
- */
-#define page_to_phys(page)	(__pfn_to_phys(page_to_pfn(page)))
-#define phys_to_page(phys)	(pfn_to_page(__phys_to_pfn(phys)))
-
 /*
  * Note: Drivers should NOT use these.  They are the wrong
  * translation for translating DMA addresses.  Use the driver

arch/arm64/kernel/patching.c

@@ -30,20 +30,17 @@ static bool is_image_text(unsigned long addr)
 
 static void __kprobes *patch_map(void *addr, int fixmap)
 {
-	unsigned long uintaddr = (uintptr_t) addr;
-	bool image = is_image_text(uintaddr);
-	struct page *page;
-
-	if (image)
-		page = phys_to_page(__pa_symbol(addr));
-	else if (IS_ENABLED(CONFIG_STRICT_MODULE_RWX))
-		page = vmalloc_to_page(addr);
-	else
-		return addr;
-
-	BUG_ON(!page);
-	return (void *)set_fixmap_offset(fixmap, page_to_phys(page) +
-			(uintaddr & ~PAGE_MASK));
+	phys_addr_t phys;
+
+	if (is_image_text((unsigned long)addr)) {
+		phys = __pa_symbol(addr);
+	} else {
+		struct page *page = vmalloc_to_page(addr);
+		BUG_ON(!page);
+		phys = page_to_phys(page) + offset_in_page(addr);
+	}
+
+	return (void *)set_fixmap_offset(fixmap, phys);
 }
 
 static void __kprobes patch_unmap(int fixmap)

arch/csky/include/asm/page.h

@@ -47,9 +47,6 @@ extern void *memcpy(void *to, const void *from, size_t l);
 #define clear_page(page)	memset((page), 0, PAGE_SIZE)
 #define copy_page(to, from)	memcpy((to), (from), PAGE_SIZE)
 
-#define page_to_phys(page)	(page_to_pfn(page) << PAGE_SHIFT)
-#define phys_to_page(paddr)	(pfn_to_page(PFN_DOWN(paddr)))
-
 struct page;
 
 #include <abi/page.h>

arch/m68k/include/asm/virtconvert.h

@@ -28,9 +28,6 @@ static inline void *phys_to_virt(unsigned long address)
 	return __va(address);
 }
 
-/* Permanent address of a page. */
-#define page_to_phys(page)	(page_to_pfn(page) << PAGE_SHIFT)
-
 /*
  * IO bus memory addresses are 1:1 with the physical address,
  * deprecated globally but still used on two machines.

arch/microblaze/include/asm/page.h

@@ -109,7 +109,6 @@ extern int page_is_ram(unsigned long pfn);
 
 #  define virt_to_page(kaddr)	(pfn_to_page(__pa(kaddr) >> PAGE_SHIFT))
 #  define page_to_virt(page)   __va(page_to_pfn(page) << PAGE_SHIFT)
-#  define page_to_phys(page)     (page_to_pfn(page) << PAGE_SHIFT)
 
 #  define ARCH_PFN_OFFSET	(memory_start >> PAGE_SHIFT)
 #  define pfn_valid(pfn)	((pfn) >= ARCH_PFN_OFFSET && (pfn) < (max_mapnr + ARCH_PFN_OFFSET))

arch/mips/include/asm/io.h

@@ -147,11 +147,6 @@ static inline void *isa_bus_to_virt(unsigned long address)
 	return phys_to_virt(address);
 }
 
-/*
- * Change "struct page" to physical address.
- */
-#define page_to_phys(page)	((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT)
-
 void __iomem *ioremap_prot(phys_addr_t offset, unsigned long size,
 		unsigned long prot_val);
 void iounmap(const volatile void __iomem *addr);