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Date: Sat, 29 Sep 2018 22:43:07 +0100
From: Ben Hutchings <ben@...adent.org.uk>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC: akpm@...ux-foundation.org,
"Linus Torvalds" <torvalds@...ux-foundation.org>,
"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
"Wu Fengguang" <fengguang.wu@...el.com>
Subject: [PATCH 3.16 056/131] mm: drop vm_ops->remap_pages and
generic_file_remap_pages() stub
3.16.59-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
commit d83a08db5ba6072caa658745881f4baa9bad6a08 upstream.
Nobody uses it anymore.
[akpm@...ux-foundation.org: fix filemap_xip.c]
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
Cc: Wu Fengguang <fengguang.wu@...el.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
[bwh: Backported to 3.16:
- Deleted code is slightly different
- Adjust context]
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
fs/9p/vfs_file.c | 2 --
fs/btrfs/file.c | 1 -
fs/ceph/addr.c | 1 -
fs/cifs/file.c | 1 -
fs/ext4/file.c | 1 -
fs/f2fs/file.c | 1 -
fs/fuse/file.c | 1 -
fs/gfs2/file.c | 1 -
fs/nfs/file.c | 1 -
fs/nilfs2/file.c | 1 -
fs/ocfs2/mmap.c | 1 -
fs/ubifs/file.c | 1 -
fs/xfs/xfs_file.c | 1 -
include/linux/fs.h | 6 ------
include/linux/mm.h | 3 ---
mm/filemap.c | 1 -
mm/filemap_xip.c | 1 -
mm/shmem.c | 1 -
18 files changed, 26 deletions(-)
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -831,7 +831,6 @@ static const struct vm_operations_struct
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = v9fs_vm_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
static const struct vm_operations_struct v9fs_mmap_file_vm_ops = {
@@ -839,7 +838,6 @@ static const struct vm_operations_struct
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = v9fs_vm_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -2025,7 +2025,6 @@ static const struct vm_operations_struct
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = btrfs_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
static int btrfs_file_mmap(struct file *filp, struct vm_area_struct *vma)
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -1327,7 +1327,6 @@ out:
static struct vm_operations_struct ceph_vmops = {
.fault = ceph_filemap_fault,
.page_mkwrite = ceph_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
int ceph_mmap(struct file *file, struct vm_area_struct *vma)
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -3111,7 +3111,6 @@ static struct vm_operations_struct cifs_
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = cifs_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
int cifs_file_strict_mmap(struct file *file, struct vm_area_struct *vma)
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -195,7 +195,6 @@ static const struct vm_operations_struct
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = ext4_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma)
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -87,7 +87,6 @@ static const struct vm_operations_struct
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = f2fs_vm_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
static int get_parent_ino(struct inode *inode, nid_t *pino)
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -2138,7 +2138,6 @@ static const struct vm_operations_struct
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = fuse_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
static int fuse_file_mmap(struct file *file, struct vm_area_struct *vma)
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -496,7 +496,6 @@ static const struct vm_operations_struct
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = gfs2_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
/**
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -618,7 +618,6 @@ static const struct vm_operations_struct
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = nfs_vm_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
static int nfs_need_sync_write(struct file *filp, struct inode *inode)
--- a/fs/nilfs2/file.c
+++ b/fs/nilfs2/file.c
@@ -136,7 +136,6 @@ static const struct vm_operations_struct
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = nilfs_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
static int nilfs_file_mmap(struct file *file, struct vm_area_struct *vma)
--- a/fs/ocfs2/mmap.c
+++ b/fs/ocfs2/mmap.c
@@ -173,7 +173,6 @@ out:
static const struct vm_operations_struct ocfs2_file_vm_ops = {
.fault = ocfs2_fault,
.page_mkwrite = ocfs2_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
int ocfs2_mmap(struct file *file, struct vm_area_struct *vma)
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1556,7 +1556,6 @@ static const struct vm_operations_struct
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = ubifs_vm_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
static int ubifs_file_mmap(struct file *file, struct vm_area_struct *vma)
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1481,5 +1481,4 @@ static const struct vm_operations_struct
.fault = xfs_filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = xfs_filemap_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2430,12 +2430,6 @@ extern int sb_min_blocksize(struct super
extern int generic_file_mmap(struct file *, struct vm_area_struct *);
extern int generic_file_readonly_mmap(struct file *, struct vm_area_struct *);
-static inline int generic_file_remap_pages(struct vm_area_struct *vma,
- unsigned long addr, unsigned long size, pgoff_t pgoff)
-{
- BUG();
- return 0;
-}
int generic_write_checks(struct file *file, loff_t *pos, size_t *count, int isblk);
extern ssize_t generic_file_read_iter(struct kiocb *, struct iov_iter *);
extern ssize_t __generic_file_write_iter(struct kiocb *, struct iov_iter *);
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -268,9 +268,6 @@ struct vm_operations_struct {
int (*migrate)(struct vm_area_struct *vma, const nodemask_t *from,
const nodemask_t *to, unsigned long flags);
#endif
- /* called by sys_remap_file_pages() to populate non-linear mapping */
- int (*remap_pages)(struct vm_area_struct *vma, unsigned long addr,
- unsigned long size, pgoff_t pgoff);
};
struct mmu_gather;
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2078,7 +2078,6 @@ const struct vm_operations_struct generi
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = filemap_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
/* This is used for a general mmap of a disk file */
--- a/mm/filemap_xip.c
+++ b/mm/filemap_xip.c
@@ -306,7 +306,6 @@ out:
static const struct vm_operations_struct xip_file_vm_ops = {
.fault = xip_file_fault,
.page_mkwrite = filemap_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
int xip_file_mmap(struct file * file, struct vm_area_struct * vma)
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2793,7 +2793,6 @@ static const struct vm_operations_struct
.set_policy = shmem_set_policy,
.get_policy = shmem_get_policy,
#endif
- .remap_pages = generic_file_remap_pages,
};
static struct dentry *shmem_mount(struct file_system_type *fs_type,
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