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From: Andrew Morton <akpm@linux-foundation.org>
To: darrick.wong@oracle.com, dchinner@redhat.com,
	ebiggers@google.com, gaoxiang25@huawei.com, hch@lst.de,
	jaegeuk@kernel.org, jhubbard@nvidia.com,
	joseph.qi@linux.alibaba.com, junxiao.bi@oracle.com,
	mhocko@suse.com, mm-commits@vger.kernel.org,
	william.kucharski@oracle.com, willy@infradead.org,
	xiyou.wangcong@gmail.com, yuchao0@huawei.com, ziy@nvidia.com
Subject: + ext4-pass-the-inode-to-ext4_mpage_readpages.patch added to -mm tree
Date: Tue, 14 Apr 2020 18:18:28 -0700
Message-ID: <20200415011828.wDJeLzvxs%akpm@linux-foundation.org> (raw)
In-Reply-To: <20200412004155.1a8f4e081b4e03ef5903abb5@linux-foundation.org>


The patch titled
     Subject: ext4: pass the inode to ext4_mpage_readpages
has been added to the -mm tree.  Its filename is
     ext4-pass-the-inode-to-ext4_mpage_readpages.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/ext4-pass-the-inode-to-ext4_mpage_readpages.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/ext4-pass-the-inode-to-ext4_mpage_readpages.patch

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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: ext4: pass the inode to ext4_mpage_readpages

This function now only uses the mapping argument to look up the inode, and
both callers already have the inode, so just pass the inode instead of the
mapping.

Link: http://lkml.kernel.org/r/20200414150233.24495-22-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Cc: Chao Yu <yuchao0@huawei.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Dave Chinner <dchinner@redhat.com>
Cc: Gao Xiang <gaoxiang25@huawei.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/ext4/ext4.h     |    2 +-
 fs/ext4/inode.c    |    4 ++--
 fs/ext4/readpage.c |    3 +--
 3 files changed, 4 insertions(+), 5 deletions(-)

--- a/fs/ext4/ext4.h~ext4-pass-the-inode-to-ext4_mpage_readpages
+++ a/fs/ext4/ext4.h
@@ -3316,7 +3316,7 @@ static inline void ext4_set_de_type(stru
 }
 
 /* readpages.c */
-extern int ext4_mpage_readpages(struct address_space *mapping,
+extern int ext4_mpage_readpages(struct inode *inode,
 		struct readahead_control *rac, struct page *page);
 extern int __init ext4_init_post_read_processing(void);
 extern void ext4_exit_post_read_processing(void);
--- a/fs/ext4/inode.c~ext4-pass-the-inode-to-ext4_mpage_readpages
+++ a/fs/ext4/inode.c
@@ -3224,7 +3224,7 @@ static int ext4_readpage(struct file *fi
 		ret = ext4_readpage_inline(inode, page);
 
 	if (ret == -EAGAIN)
-		return ext4_mpage_readpages(page->mapping, NULL, page);
+		return ext4_mpage_readpages(inode, NULL, page);
 
 	return ret;
 }
@@ -3237,7 +3237,7 @@ static void ext4_readahead(struct readah
 	if (ext4_has_inline_data(inode))
 		return;
 
-	ext4_mpage_readpages(rac->mapping, rac, NULL);
+	ext4_mpage_readpages(inode, rac, NULL);
 }
 
 static void ext4_invalidatepage(struct page *page, unsigned int offset,
--- a/fs/ext4/readpage.c~ext4-pass-the-inode-to-ext4_mpage_readpages
+++ a/fs/ext4/readpage.c
@@ -221,13 +221,12 @@ static inline loff_t ext4_readpage_limit
 	return i_size_read(inode);
 }
 
-int ext4_mpage_readpages(struct address_space *mapping,
+int ext4_mpage_readpages(struct inode *inode,
 		struct readahead_control *rac, struct page *page)
 {
 	struct bio *bio = NULL;
 	sector_t last_block_in_bio = 0;
 
-	struct inode *inode = mapping->host;
 	const unsigned blkbits = inode->i_blkbits;
 	const unsigned blocks_per_page = PAGE_SIZE >> blkbits;
 	const unsigned blocksize = 1 << blkbits;
_

Patches currently in -mm which might be from willy@infradead.org are

mm-move-readahead-prototypes-from-mmh.patch
mm-return-void-from-various-readahead-functions.patch
mm-ignore-return-value-of-readpages.patch
mm-move-readahead-nr_pages-check-into-read_pages.patch
mm-add-new-readahead_control-api.patch
mm-use-readahead_control-to-pass-arguments.patch
mm-rename-various-offset-parameters-to-index.patch
mm-rename-readahead-loop-variable-to-i.patch
mm-remove-page_offset-from-readahead-loop.patch
mm-put-readahead-pages-in-cache-earlier.patch
mm-add-readahead-address-space-operation.patch
mm-move-end_index-check-out-of-readahead-loop.patch
mm-add-page_cache_readahead_unbounded.patch
mm-document-why-we-dont-set-pagereadahead.patch
mm-use-memalloc_nofs_save-in-readahead-path.patch
fs-convert-mpage_readpages-to-mpage_readahead.patch
btrfs-convert-from-readpages-to-readahead.patch
erofs-convert-uncompressed-files-from-readpages-to-readahead.patch
erofs-convert-compressed-files-from-readpages-to-readahead.patch
ext4-convert-from-readpages-to-readahead.patch
ext4-pass-the-inode-to-ext4_mpage_readpages.patch
f2fs-convert-from-readpages-to-readahead.patch
f2fs-pass-the-inode-to-f2fs_mpage_readpages.patch
fuse-convert-from-readpages-to-readahead.patch
iomap-convert-from-readpages-to-readahead.patch

  parent reply index

Thread overview: 140+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-12  7:41 incoming Andrew Morton
2020-04-12  7:42 ` [patch 1/1] mm/debug: add tests validating architecture page table helpers Andrew Morton
2020-04-13 20:01 ` + mm-userfaultfd-disable-userfaultfd-wp-on-x86_32.patch added to -mm tree Andrew Morton
2020-04-13 20:08 ` + maintainers-add-an-entry-for-kfifo-fix.patch " Andrew Morton
2020-04-13 20:11 ` + m68k-drop-redundant-generic-y-=-hardirqh.patch " Andrew Morton
2020-04-13 20:12 ` + userc-make-uidhash_table-static.patch " Andrew Morton
2020-04-13 20:34 ` + sh-fix-build-error-in-mm-initc.patch " Andrew Morton
2020-04-13 20:51 ` + mm-hugetlb-fix-a-addressing-exception-caused-by-huge_pte_offset.patch " Andrew Morton
2020-04-13 21:16 ` + checkpatch-additional-maintainer-section-entry-ordering-checks.patch " Andrew Morton
2020-04-13 22:27 ` + fat-improve-the-readahead-for-fat-entries.patch " Andrew Morton
2020-04-13 22:32 ` + mm-swapfile-use-list_prevnext_entry-instead-of-open-coding.patch " Andrew Morton
2020-04-13 22:33 ` + mm-replace-zero-length-array-with-flexible-array-member.patch " Andrew Morton
2020-04-13 22:36 ` + mm-vmsan-fix-some-typos-in-comment.patch " Andrew Morton
2020-04-13 22:38 ` + mm-compaction-fix-a-typo-in-comment-pessemistic-pessimistic.patch " Andrew Morton
2020-04-13 22:38 ` + mm-memblock-fix-a-typo-in-comment-implict-implicit.patch " Andrew Morton
2020-04-13 22:38 ` + mm-list_lru-fix-a-typo-in-comment-numbesr-numbers.patch " Andrew Morton
2020-04-13 22:50 ` + mm-filemap-fix-a-typo-in-comment-unneccssary-unnecessary.patch " Andrew Morton
2020-04-13 22:51 ` + mm-frontswap-fix-some-typos-in-frontswapc.patch " Andrew Morton
2020-04-13 22:51 ` + mm-memcg-fix-some-typos-in-memcontrolc.patch " Andrew Morton
2020-04-13 22:51 ` + mm-fix-a-typo-in-comment-strucure-structure.patch " Andrew Morton
2020-04-13 23:07 ` + mm-slub-fix-a-typo-in-comment-disambiguiation-disambiguation.patch " Andrew Morton
2020-04-13 23:07 ` + mm-sparse-fix-a-typo-in-comment-convienence-convenience.patch " Andrew Morton
2020-04-13 23:07 ` + mm-page-writeback-fix-a-typo-in-comment-effictive-effective.patch " Andrew Morton
2020-04-13 23:07 ` + mm-memory-fix-a-typo-in-comment-attampt-attempt.patch " Andrew Morton
2020-04-14  0:25 ` + mm-memblock-replace-dereferences-of-memblock_regionnid-with-api-calls.patch " Andrew Morton
2020-04-14  0:25 ` + mm-make-early_pfn_to_nid-and-related-defintions-close-to-each-other.patch " Andrew Morton
2020-04-14  0:25 ` + mm-remove-config_have_memblock_node_map-option.patch " Andrew Morton
2020-04-14  0:25 ` + mm-free_area_init-use-maximal-zone-pfns-rather-than-zone-sizes.patch " Andrew Morton
2020-04-14  0:25 ` + mm-use-free_area_init-instead-of-free_area_init_nodes.patch " Andrew Morton
2020-04-14  0:26 ` + alpha-simplify-detection-of-memory-zone-boundaries.patch " Andrew Morton
2020-04-14  0:26 ` + arm-simplify-detection-of-memory-zone-boundaries.patch " Andrew Morton
2020-04-14  0:26 ` + arm64-simplify-detection-of-memory-zone-boundaries-for-uma-configs.patch " Andrew Morton
2020-04-14  0:26 ` + csky-simplify-detection-of-memory-zone-boundaries.patch " Andrew Morton
2020-04-14  0:26 ` + m68k-mm-simplify-detection-of-memory-zone-boundaries.patch " Andrew Morton
2020-04-14  0:26 ` + parisc-simplify-detection-of-memory-zone-boundaries.patch " Andrew Morton
2020-04-14  0:26 ` + sparc32-simplify-detection-of-memory-zone-boundaries.patch " Andrew Morton
2020-04-14  0:26 ` + unicore32-simplify-detection-of-memory-zone-boundaries.patch " Andrew Morton
2020-04-14  0:26 ` + xtensa-simplify-detection-of-memory-zone-boundaries.patch " Andrew Morton
2020-04-14  0:26 ` + mm-memmap_init-iterate-over-memblock-regions-rather-that-check-each-pfn.patch " Andrew Morton
2020-04-14  0:26 ` + mm-remove-early_pfn_in_nid-and-config_nodes_span_other_nodes.patch " Andrew Morton
2020-04-14  0:26 ` + mm-free_area_init-allow-defining-max_zone_pfn-in-descending-order.patch " Andrew Morton
2020-04-14  0:26 ` + mm-rename-free_area_init_node-to-free_area_init_memoryless_node.patch " Andrew Morton
2020-04-14  0:26 ` + mm-clean-up-free_area_init_node-and-its-helpers.patch " Andrew Morton
2020-04-14  0:26 ` + mm-simplify-find_min_pfn_with_active_regions.patch " Andrew Morton
2020-04-14  0:27 ` + docs-vm-update-memory-models-documentation.patch " Andrew Morton
2020-04-14  0:40 ` + mm-page_allocc-bad_-is-not-necessary-when-pagehwpoison.patch " Andrew Morton
2020-04-14  0:40 ` + mm-page_allocc-bad_flags-is-not-necessary-for-bad_page.patch " Andrew Morton
2020-04-14  0:40 ` + mm-page_allocc-rename-free_pages_check_bad-to-check_free_page_bad.patch " Andrew Morton
2020-04-14  0:40 ` + mm-page_allocc-rename-free_pages_check-to-check_free_page.patch " Andrew Morton
2020-04-14  0:40 ` + mm-page_allocc-extract-check__page_bad-common-part-to-page_bad_reason.patch " Andrew Morton
2020-04-14  0:52 ` + dynamic_debug-add-an-option-to-enable-dynamic-debug-for-modules-only.patch " Andrew Morton
2020-04-14  1:09 ` + mm-gup-return-eintr-when-gup-is-interrupted-by-fatal-signals.patch " Andrew Morton
2020-04-14  1:37 ` + squashfs-squashfs_fsh-replace-zero-length-array-with-flexible-array-member.patch " Andrew Morton
2020-04-14  1:37 ` + squashfs-migrate-from-ll_rw_block-usage-to-bio.patch " Andrew Morton
2020-04-14  1:39 ` + checkpatch-fix-a-typo-in-the-regex-for-allocfunctions.patch " Andrew Morton
2020-04-14  2:06 ` + powerpc-pseries-hotplug-memory-stop-checking-is_mem_section_removable.patch " Andrew Morton
2020-04-14  2:06 ` + mm-memory_hotplug-remove-is_mem_section_removable.patch " Andrew Morton
2020-04-14  2:13 ` [folded-merged] mm-clarify-__gfp_memalloc-usage-update.patch removed from " Andrew Morton
2020-04-14  2:13 ` [folded-merged] mm-clarify-__gfp_memalloc-usage-update-checkpatch-fixes.patch " Andrew Morton
2020-04-14 22:30 ` + maintainers-add-an-entry-for-kfifo-fix-fix.patch added to " Andrew Morton
2020-04-14 23:10 ` + mm-hugetlb-fix-a-typo-in-comment-manitained-maintained-v2.patch " Andrew Morton
2020-04-14 23:11 ` + mm-hugetlb-fix-a-typo-in-comment-manitained-maintained-v2-checkpatch-fixes.patch " Andrew Morton
2020-04-14 23:11 ` + mm-ksm-fix-a-typo-in-comment-alreaady-already-v2.patch " Andrew Morton
2020-04-14 23:56 ` + lib-add-might_fault-to-strncpy_from_user.patch " Andrew Morton
2020-04-15  0:00 ` + tools-build-tweak-unused-value-workaround.patch " Andrew Morton
2020-04-15  0:39 ` + h8300-remove-usage-of-__arch_use_5level_hack.patch " Andrew Morton
2020-04-15  0:39 ` + arm-add-support-for-folded-p4d-page-tables.patch " Andrew Morton
2020-04-15  0:39 ` + arm64-add-support-for-folded-p4d-page-tables.patch " Andrew Morton
2020-04-15  0:39 ` + hexagon-remove-__arch_use_5level_hack.patch " Andrew Morton
2020-04-15  0:39 ` + ia64-add-support-for-folded-p4d-page-tables.patch " Andrew Morton
2020-04-15  0:39 ` + nios2-add-support-for-folded-p4d-page-tables.patch " Andrew Morton
2020-04-15  0:40 ` + openrisc-add-support-for-folded-p4d-page-tables.patch " Andrew Morton
2020-04-15  0:40 ` + powerpc-add-support-for-folded-p4d-page-tables.patch " Andrew Morton
2020-04-15  0:40 ` + sh-fault-modernize-printing-of-kernel-messages.patch " Andrew Morton
2020-04-15  0:40 ` + sh-drop-__pxd_offset-macros-that-duplicate-pxd_index-ones.patch " Andrew Morton
2020-04-15  0:40 ` + sh-add-support-for-folded-p4d-page-tables.patch " Andrew Morton
2020-04-15  0:40 ` + unicore32-remove-__arch_use_5level_hack.patch " Andrew Morton
2020-04-15  0:40 ` + asm-generic-remove-pgtable-nop4d-hackh.patch " Andrew Morton
2020-04-15  0:40 ` + mm-remove-__arch_has_5level_hack-and-include-asm-generic-5level-fixuph.patch " Andrew Morton
2020-04-15  1:17 ` + mm-move-readahead-prototypes-from-mmh.patch " Andrew Morton
2020-04-15  1:17 ` + mm-return-void-from-various-readahead-functions.patch " Andrew Morton
2020-04-15  1:17 ` + mm-ignore-return-value-of-readpages.patch " Andrew Morton
2020-04-15  1:17 ` + mm-move-readahead-nr_pages-check-into-read_pages.patch " Andrew Morton
2020-04-15  1:17 ` + mm-add-new-readahead_control-api.patch " Andrew Morton
2020-04-15  1:17 ` + mm-use-readahead_control-to-pass-arguments.patch " Andrew Morton
2020-04-15  1:17 ` + mm-rename-various-offset-parameters-to-index.patch " Andrew Morton
2020-04-15  1:17 ` + mm-rename-readahead-loop-variable-to-i.patch " Andrew Morton
2020-04-15  1:17 ` + mm-remove-page_offset-from-readahead-loop.patch " Andrew Morton
2020-04-15  1:17 ` + mm-put-readahead-pages-in-cache-earlier.patch " Andrew Morton
2020-04-15  1:17 ` + mm-add-readahead-address-space-operation.patch " Andrew Morton
2020-04-15  1:17 ` + mm-move-end_index-check-out-of-readahead-loop.patch " Andrew Morton
2020-04-15  1:18 ` + mm-add-page_cache_readahead_unbounded.patch " Andrew Morton
2020-04-15  1:18 ` + mm-document-why-we-dont-set-pagereadahead.patch " Andrew Morton
2020-04-15  1:18 ` + mm-use-memalloc_nofs_save-in-readahead-path.patch " Andrew Morton
2020-04-15  1:18 ` + fs-convert-mpage_readpages-to-mpage_readahead.patch " Andrew Morton
2020-04-15  1:18 ` + btrfs-convert-from-readpages-to-readahead.patch " Andrew Morton
2020-04-15  1:18 ` + erofs-convert-uncompressed-files-from-readpages-to-readahead.patch " Andrew Morton
2020-04-15  1:18 ` + erofs-convert-compressed-files-from-readpages-to-readahead.patch " Andrew Morton
2020-04-15  1:18 ` + ext4-convert-from-readpages-to-readahead.patch " Andrew Morton
2020-04-15  1:18 ` Andrew Morton [this message]
2020-04-15  1:18 ` + f2fs-convert-from-readpages-to-readahead.patch " Andrew Morton
2020-04-15  1:18 ` + f2fs-pass-the-inode-to-f2fs_mpage_readpages.patch " Andrew Morton
2020-04-15  1:18 ` + fuse-convert-from-readpages-to-readahead.patch " Andrew Morton
2020-04-15  1:18 ` + iomap-convert-from-readpages-to-readahead.patch " Andrew Morton
2020-04-15  1:54 ` + mm-ksm-fix-null-pointer-dereference-when-ksm-zero-page-is-enabled.patch " Andrew Morton
     [not found]   ` <49e65ca7-03a2-9a82-9e1a-cf997320bcfd@virtuozzo.com>
     [not found]     ` <CAMZfGtWwE_9uSH9Vw+W2yJJhMo4BfWHx_PME+HD5h3r+A3zXeg@mail.gmail.com>
2020-04-15 18:32       ` [External] " Andrew Morton
2020-04-15  4:29 ` + mm-gupc-further-document-vma_permits_fault.patch " Andrew Morton
2020-04-15  4:33 ` + fuse-convert-from-readpages-to-readahead-fix.patch " Andrew Morton
2020-04-15  4:46 ` + x86-hyperv-use-vmalloc_exec-for-the-hypercall-page.patch " Andrew Morton
2020-04-15  4:46 ` + x86-fix-vmap-arguments-in-map_irq_stack.patch " Andrew Morton
2020-04-15  4:46 ` + staging-android-ion-use-vmap-instead-of-vm_map_ram.patch " Andrew Morton
2020-04-15  4:46 ` + staging-media-ipu3-use-vmap-instead-of-reimplementing-it.patch " Andrew Morton
2020-04-15  4:46 ` + dma-mapping-use-vmap-insted-of-reimplementing-it.patch " Andrew Morton
2020-04-15  4:46 ` + powerpc-add-an-ioremap_phb-helper.patch " Andrew Morton
2020-04-15  4:46 ` + powerpc-remove-__ioremap_at-and-__iounmap_at.patch " Andrew Morton
2020-04-15  4:47 ` + mm-remove-__get_vm_area.patch " Andrew Morton
2020-04-15  4:47 ` + mm-unexport-unmap_kernel_range_noflush.patch " Andrew Morton
2020-04-15  4:47 ` + mm-rename-config_pgtable_mapping-to-config_zsmalloc_pgtable_mapping.patch " Andrew Morton
2020-04-15  4:47 ` + mm-only-allow-page-table-mappings-for-built-in-zsmalloc.patch " Andrew Morton
2020-04-15  4:47 ` + mm-pass-addr-as-unsigned-long-to-vb_free.patch " Andrew Morton
2020-04-15  4:47 ` + mm-remove-vmap_page_range_noflush-and-vunmap_page_range.patch " Andrew Morton
2020-04-15  4:47 ` + mm-rename-vmap_page_range-to-map_kernel_range.patch " Andrew Morton
2020-04-15  4:47 ` + mm-dont-return-the-number-of-pages-from-map_kernel_range_noflush.patch " Andrew Morton
2020-04-15  4:47 ` + mm-remove-map_vm_range.patch " Andrew Morton
2020-04-15  4:47 ` + mm-remove-unmap_vmap_area.patch " Andrew Morton
2020-04-15  4:47 ` + mm-remove-the-prot-argument-from-vm_map_ram.patch " Andrew Morton
2020-04-15  4:47 ` + mm-enforce-that-vmap-cant-map-pages-executable.patch " Andrew Morton
2020-04-15  4:47 ` + gpu-drm-remove-the-powerpc-hack-in-drm_legacy_sg_alloc.patch " Andrew Morton
2020-04-15  4:47 ` + mm-remove-the-pgprot-argument-to-__vmalloc.patch " Andrew Morton
2020-04-15  4:48 ` + mm-remove-the-prot-argument-to-__vmalloc_node.patch " Andrew Morton
2020-04-15  4:48 ` + mm-remove-both-instances-of-__vmalloc_node_flags.patch " Andrew Morton
2020-04-15  4:48 ` + mm-remove-__vmalloc_node_flags_caller.patch " Andrew Morton
2020-04-15  4:48 ` + mm-switch-the-test_vmalloc-module-to-use-__vmalloc_node.patch " Andrew Morton
2020-04-15  4:48 ` + mm-remove-vmalloc_user_node_flags.patch " Andrew Morton
2020-04-15  4:48 ` + arm64-use-__vmalloc_node-in-arch_alloc_vmap_stack.patch " Andrew Morton
2020-04-15  4:48 ` + powerpc-use-__vmalloc_node-in-alloc_vm_stack.patch " Andrew Morton
2020-04-15  4:48 ` + s390-use-__vmalloc_node-in-stack_alloc.patch " Andrew Morton
2020-04-15 17:44 ` + test_firmware-remove-unnecessary-test_fw_mutex-in-test_dev_config_show_xxx.patch " Andrew Morton
2020-04-15 18:12 ` + slub-avoid-redzone-when-choosing-freepointer-location.patch " Andrew Morton
2020-04-15 18:41 ` + mm-shmem-fix-build-without-thp.patch " Andrew Morton

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	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 mm-commits mm-commits/ https://lore.kernel.org/mm-commits \
		mm-commits@vger.kernel.org
	public-inbox-index mm-commits

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.mm-commits


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git