On 6/16/25 2:33PM, Lorenzo Stoakes wrote:
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.

Signed-off-by: Lorenzo Stoakes <lorenzo.stoa...@oracle.com>

For JFS,

Acked-by: Dave Kleikamp <dave.kleik...@oracle.com>

---
  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(-)

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 348cc90bf9c5..2ff3e0ac7266 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -516,7 +516,7 @@ const struct file_operations v9fs_file_operations = {
        .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,
diff --git a/fs/adfs/file.c b/fs/adfs/file.c
index ee80718aaeec..cd13165fd904 100644
--- a/fs/adfs/file.c
+++ b/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,
diff --git a/fs/affs/file.c b/fs/affs/file.c
index 7a71018e3f67..fbac204b7055 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -999,7 +999,7 @@ const struct file_operations affs_file_operations = {
        .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,
diff --git a/fs/bfs/file.c b/fs/bfs/file.c
index fa66a09e496a..6685c3411fe7 100644
--- a/fs/bfs/file.c
+++ b/fs/bfs/file.c
@@ -27,7 +27,7 @@ const struct file_operations bfs_file_operations = {
        .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,
  };
diff --git a/fs/fat/file.c b/fs/fat/file.c
index e887e9ab7472..4fc49a614fb8 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -204,7 +204,7 @@ const struct file_operations fat_file_operations = {
        .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,
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index a81ce7a740b9..d419586d668d 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -690,7 +690,7 @@ static const struct file_operations hfs_file_operations = {
        .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,
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index f331e9574217..0af7e302730c 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -366,7 +366,7 @@ static const struct file_operations hfsplus_file_operations 
= {
        .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,
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 702c41317589..bc22b6cc72af 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -382,7 +382,7 @@ static const struct file_operations hostfs_file_fops = {
        .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,
diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c
index 449a3fc1b8d9..a1a44e3edb19 100644
--- a/fs/hpfs/file.c
+++ b/fs/hpfs/file.c
@@ -255,7 +255,7 @@ const struct file_operations hpfs_file_ops =
        .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,
diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index 13c18ccc13b0..1e05f7fe5dd4 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -54,7 +54,7 @@ const struct file_operations jffs2_file_operations =
        .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,
diff --git a/fs/jfs/file.c b/fs/jfs/file.c
index 01b6912e60f8..5e47951db630 100644
--- a/fs/jfs/file.c
+++ b/fs/jfs/file.c
@@ -143,7 +143,7 @@ const struct file_operations jfs_file_operations = {
        .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,
diff --git a/fs/minix/file.c b/fs/minix/file.c
index 906d192ab7f3..dca7ac71f049 100644
--- a/fs/minix/file.c
+++ b/fs/minix/file.c
@@ -17,7 +17,7 @@ const struct file_operations minix_file_operations = {
        .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,
  };
diff --git a/fs/omfs/file.c b/fs/omfs/file.c
index 98358d405b6a..319c04e63964 100644
--- a/fs/omfs/file.c
+++ b/fs/omfs/file.c
@@ -332,7 +332,7 @@ const struct file_operations omfs_file_operations = {
        .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,
  };
diff --git a/fs/ramfs/file-mmu.c b/fs/ramfs/file-mmu.c
index b45c7edc3225..b11f5b20b78b 100644
--- a/fs/ramfs/file-mmu.c
+++ b/fs/ramfs/file-mmu.c
@@ -41,7 +41,7 @@ static unsigned long ramfs_mmu_get_unmapped_area(struct file 
*file,
  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,
diff --git a/fs/read_write.c b/fs/read_write.c
index 0ef70e128c4a..80fdab99f9e4 100644
--- a/fs/read_write.c
+++ b/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,
  };
diff --git a/fs/ufs/file.c b/fs/ufs/file.c
index 487ad1fc2de6..c2a391c17df7 100644
--- a/fs/ufs/file.c
+++ b/fs/ufs/file.c
@@ -38,7 +38,7 @@ const struct file_operations ufs_file_operations = {
        .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,


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