From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,lorenzo.stoakes@oracle.com,akpm@linux-foundation.org
Subject: + fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare.patch added to mm-new branch
Date: Mon, 16 Jun 2025 16:11:46 -0700 [thread overview]
Message-ID: <20250616231146.ACF13C4CEEA@smtp.kernel.org> (raw)
The patch titled
Subject: fs: convert simple use of generic_file_*_mmap() to .mmap_prepare()
has been added to the -mm mm-new branch. Its filename is
fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare.patch
This patch will later appear in the mm-new branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Note, mm-new is a provisional staging ground for work-in-progress
patches, and acceptance into mm-new is a notification for others take
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Subject: fs: convert simple use of generic_file_*_mmap() to .mmap_prepare()
Date: Mon, 16 Jun 2025 20:33:27 +0100
Since commit c84bf6dd2b83 ("mm: introduce new .mmap_prepare() file
callback"), the f_op->mmap() hook has been deprecated in favour of
f_op->mmap_prepare().
We have provided generic .mmap_prepare() equivalents, so update all file
systems that specify these directly in their file_operations structures.
This updates 9p, adfs, affs, bfs, fat, hfs, hfsplus, hostfs, hpfs, jffs2,
jfs, minix, omfs, ramfs and ufs file systems directly.
It updates generic_ro_fops which impacts qnx4, cramfs, befs, squashfs,
frebxfs, qnx6, efs, romfs, erofs and isofs file systems.
There are remaining file systems which use generic hooks in a less direct
way which we address in a subsequent commit.
Link: https://lkml.kernel.org/r/c7dc90e44a9e75e750939ea369290d6e441a18e6.1750099179.git.lorenzo.stoakes@oracle.com
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
fs/9p/vfs_file.c | 2 +-
fs/adfs/file.c | 2 +-
fs/affs/file.c | 2 +-
fs/bfs/file.c | 2 +-
fs/fat/file.c | 2 +-
fs/hfs/inode.c | 2 +-
fs/hfsplus/inode.c | 2 +-
fs/hostfs/hostfs_kern.c | 2 +-
fs/hpfs/file.c | 2 +-
fs/jffs2/file.c | 2 +-
fs/jfs/file.c | 2 +-
fs/minix/file.c | 2 +-
fs/omfs/file.c | 2 +-
fs/ramfs/file-mmu.c | 2 +-
fs/read_write.c | 2 +-
fs/ufs/file.c | 2 +-
16 files changed, 16 insertions(+), 16 deletions(-)
--- a/fs/9p/vfs_file.c~fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare
+++ a/fs/9p/vfs_file.c
@@ -516,7 +516,7 @@ const struct file_operations v9fs_file_o
.open = v9fs_file_open,
.release = v9fs_dir_release,
.lock = v9fs_file_lock,
- .mmap = generic_file_readonly_mmap,
+ .mmap_prepare = generic_file_readonly_mmap_prepare,
.splice_read = v9fs_file_splice_read,
.splice_write = iter_file_splice_write,
.fsync = v9fs_file_fsync,
--- a/fs/adfs/file.c~fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare
+++ a/fs/adfs/file.c
@@ -25,7 +25,7 @@
const struct file_operations adfs_file_operations = {
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
- .mmap = generic_file_mmap,
+ .mmap_prepare = generic_file_mmap_prepare,
.fsync = generic_file_fsync,
.write_iter = generic_file_write_iter,
.splice_read = filemap_splice_read,
--- a/fs/affs/file.c~fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare
+++ a/fs/affs/file.c
@@ -999,7 +999,7 @@ const struct file_operations affs_file_o
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
.write_iter = generic_file_write_iter,
- .mmap = generic_file_mmap,
+ .mmap_prepare = generic_file_mmap_prepare,
.open = affs_file_open,
.release = affs_file_release,
.fsync = affs_file_fsync,
--- a/fs/bfs/file.c~fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare
+++ a/fs/bfs/file.c
@@ -27,7 +27,7 @@ const struct file_operations bfs_file_op
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
.write_iter = generic_file_write_iter,
- .mmap = generic_file_mmap,
+ .mmap_prepare = generic_file_mmap_prepare,
.splice_read = filemap_splice_read,
};
--- a/fs/fat/file.c~fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare
+++ a/fs/fat/file.c
@@ -204,7 +204,7 @@ const struct file_operations fat_file_op
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
.write_iter = generic_file_write_iter,
- .mmap = generic_file_mmap,
+ .mmap_prepare = generic_file_mmap_prepare,
.release = fat_file_release,
.unlocked_ioctl = fat_generic_ioctl,
.compat_ioctl = compat_ptr_ioctl,
--- a/fs/hfs/inode.c~fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare
+++ a/fs/hfs/inode.c
@@ -690,7 +690,7 @@ static const struct file_operations hfs_
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
.write_iter = generic_file_write_iter,
- .mmap = generic_file_mmap,
+ .mmap_prepare = generic_file_mmap_prepare,
.splice_read = filemap_splice_read,
.fsync = hfs_file_fsync,
.open = hfs_file_open,
--- a/fs/hfsplus/inode.c~fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare
+++ a/fs/hfsplus/inode.c
@@ -366,7 +366,7 @@ static const struct file_operations hfsp
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
.write_iter = generic_file_write_iter,
- .mmap = generic_file_mmap,
+ .mmap_prepare = generic_file_mmap_prepare,
.splice_read = filemap_splice_read,
.fsync = hfsplus_file_fsync,
.open = hfsplus_file_open,
--- a/fs/hostfs/hostfs_kern.c~fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare
+++ a/fs/hostfs/hostfs_kern.c
@@ -382,7 +382,7 @@ static const struct file_operations host
.splice_write = iter_file_splice_write,
.read_iter = generic_file_read_iter,
.write_iter = generic_file_write_iter,
- .mmap = generic_file_mmap,
+ .mmap_prepare = generic_file_mmap_prepare,
.open = hostfs_open,
.release = hostfs_file_release,
.fsync = hostfs_fsync,
--- a/fs/hpfs/file.c~fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare
+++ a/fs/hpfs/file.c
@@ -255,7 +255,7 @@ const struct file_operations hpfs_file_o
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
.write_iter = generic_file_write_iter,
- .mmap = generic_file_mmap,
+ .mmap_prepare = generic_file_mmap_prepare,
.release = hpfs_file_release,
.fsync = hpfs_file_fsync,
.splice_read = filemap_splice_read,
--- a/fs/jffs2/file.c~fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare
+++ a/fs/jffs2/file.c
@@ -54,7 +54,7 @@ const struct file_operations jffs2_file_
.read_iter = generic_file_read_iter,
.write_iter = generic_file_write_iter,
.unlocked_ioctl=jffs2_ioctl,
- .mmap = generic_file_readonly_mmap,
+ .mmap_prepare = generic_file_readonly_mmap_prepare,
.fsync = jffs2_fsync,
.splice_read = filemap_splice_read,
.splice_write = iter_file_splice_write,
--- a/fs/jfs/file.c~fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare
+++ a/fs/jfs/file.c
@@ -143,7 +143,7 @@ const struct file_operations jfs_file_op
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
.write_iter = generic_file_write_iter,
- .mmap = generic_file_mmap,
+ .mmap_prepare = generic_file_mmap_prepare,
.splice_read = filemap_splice_read,
.splice_write = iter_file_splice_write,
.fsync = jfs_fsync,
--- a/fs/minix/file.c~fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare
+++ a/fs/minix/file.c
@@ -17,7 +17,7 @@ const struct file_operations minix_file_
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
.write_iter = generic_file_write_iter,
- .mmap = generic_file_mmap,
+ .mmap_prepare = generic_file_mmap_prepare,
.fsync = generic_file_fsync,
.splice_read = filemap_splice_read,
};
--- a/fs/omfs/file.c~fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare
+++ a/fs/omfs/file.c
@@ -332,7 +332,7 @@ const struct file_operations omfs_file_o
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
.write_iter = generic_file_write_iter,
- .mmap = generic_file_mmap,
+ .mmap_prepare = generic_file_mmap_prepare,
.fsync = generic_file_fsync,
.splice_read = filemap_splice_read,
};
--- a/fs/ramfs/file-mmu.c~fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare
+++ a/fs/ramfs/file-mmu.c
@@ -41,7 +41,7 @@ static unsigned long ramfs_mmu_get_unmap
const struct file_operations ramfs_file_operations = {
.read_iter = generic_file_read_iter,
.write_iter = generic_file_write_iter,
- .mmap = generic_file_mmap,
+ .mmap_prepare = generic_file_mmap_prepare,
.fsync = noop_fsync,
.splice_read = filemap_splice_read,
.splice_write = iter_file_splice_write,
--- a/fs/read_write.c~fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare
+++ a/fs/read_write.c
@@ -28,7 +28,7 @@
const struct file_operations generic_ro_fops = {
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
- .mmap = generic_file_readonly_mmap,
+ .mmap_prepare = generic_file_readonly_mmap_prepare,
.splice_read = filemap_splice_read,
};
--- a/fs/ufs/file.c~fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare
+++ a/fs/ufs/file.c
@@ -38,7 +38,7 @@ const struct file_operations ufs_file_op
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
.write_iter = generic_file_write_iter,
- .mmap = generic_file_mmap,
+ .mmap_prepare = generic_file_mmap_prepare,
.open = generic_file_open,
.fsync = generic_file_fsync,
.splice_read = filemap_splice_read,
_
Patches currently in -mm which might be from lorenzo.stoakes@oracle.com are
maintainers-add-missing-mm-workingsetc-file-to-mm-reclaim-section.patch
maintainers-add-missing-test-files-to-mm-gup-section.patch
docs-mm-expand-vma-doc-to-highlight-pte-freeing-non-vma-traversal.patch
mm-ksm-have-ksm-vma-checks-not-require-a-vma-pointer.patch
mm-ksm-refer-to-special-vmas-via-vm_special-in-ksm_compatible.patch
mm-prevent-ksm-from-breaking-vma-merging-for-new-vmas.patch
tools-testing-selftests-add-vma-merge-tests-for-ksm-merge.patch
mm-pagewalk-split-walk_page_range_novma-into-kernel-user-parts.patch
mm-mremap-introduce-more-mergeable-mremap-via-mremap_relocate_anon.patch
mm-mremap-add-mremap_must_relocate_anon.patch
mm-mremap-add-mremap_relocate_anon-support-for-large-folios.patch
tools-uapi-update-copy-of-linux-mmanh-from-the-kernel-sources.patch
tools-testing-selftests-add-sys_mremap-helper-to-vm_utilh.patch
tools-testing-selftests-add-mremap-cases-that-merge-normally.patch
tools-testing-selftests-add-mremap_relocate_anon-merge-test-cases.patch
tools-testing-selftests-expand-mremap-tests-for-mremap_relocate_anon.patch
tools-testing-selftests-have-cow-self-test-use-mremap_relocate_anon.patch
tools-testing-selftests-test-relocate-anon-in-split-huge-page-test.patch
tools-testing-selftests-add-mremap_relocate_anon-fork-tests.patch
secretmem-remove-uses-of-struct-page-fix.patch
mm-vma-use-vmg-target-to-specify-target-vma-for-new-vma-merge.patch
mm-rename-call_mmap-mmap_prepare-to-vfs_mmap-mmap_prepare.patch
mm-nommu-use-file_has_valid_mmap_hooks-helper.patch
fs-consistently-use-file_has_valid_mmap_hooks-helper.patch
fs-dax-make-it-possible-to-check-dev-dax-support-without-a-vma.patch
fs-ext4-transition-from-deprecated-mmap-hook-to-mmap_prepare.patch
fs-xfs-transition-from-deprecated-mmap-hook-to-mmap_prepare.patch
mm-filemap-introduce-generic_file__mmap_prepare-helpers.patch
fs-convert-simple-use-of-generic_file__mmap-to-mmap_prepare.patch
fs-convert-most-other-generic_file_mmap-users-to-mmap_prepare.patch
fs-replace-mmap-hook-with-mmap_prepare-for-simple-mappings.patch
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