[PATCH 03/38] mm: drop vm_ops->remap_pages and generic_file_remap_pages() stub

Kirill A. Shutemov
2014-12-24T12:23:35Z

Nobody uses it anymore.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
---
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(-)

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 5594505e6e73..b40133796b87 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -831,7 +831,6 @@ static const struct vm_operations_struct v9fs_file_vm_ops = {
.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 v9fs_mmap_file_vm_ops = {
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = v9fs_vm_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index e4090259569b..a606ab551296 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -2081,7 +2081,6 @@ static const struct vm_operations_struct btrfs_file_vm_ops = {
.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)
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index f5013d92a7e6..4f68d0189d01 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -1569,7 +1569,6 @@ 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)
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 96b7e9b7706d..9f4d03954ecd 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -3244,7 +3244,6 @@ static struct vm_operations_struct cifs_file_vm_ops = {
.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)
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 513c12cf444c..fa19f6b26532 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -195,7 +195,6 @@ static const struct vm_operations_struct ext4_file_vm_ops = {
.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)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 3c27e0ecb3bc..5674ba13102b 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -92,7 +92,6 @@ static const struct vm_operations_struct f2fs_file_vm_ops = {
.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)
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 760b2c552197..d769e594855b 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -2062,7 +2062,6 @@ static const struct vm_operations_struct fuse_file_vm_ops = {
.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)
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 6e600abf694a..ec9c2d33477a 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -498,7 +498,6 @@ static const struct vm_operations_struct gfs2_vm_ops = {
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = gfs2_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};

/**
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 2ab6f00dba5b..94712fc781fa 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -646,7 +646,6 @@ static const struct vm_operations_struct nfs_file_vm_ops = {
.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)
diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c
index 3a03e0aea1fb..a8c728acb7a8 100644
--- a/fs/nilfs2/file.c
+++ b/fs/nilfs2/file.c
@@ -128,7 +128,6 @@ static const struct vm_operations_struct nilfs_file_vm_ops = {
.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)
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c
index 10d66c75cecb..9581d190f6e1 100644
--- 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)
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 538519ee37d9..035e51011444 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1536,7 +1536,6 @@ static const struct vm_operations_struct ubifs_file_vm_ops = {
.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)
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 13e974e6a889..ac7f1e8f92b3 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1384,5 +1384,4 @@ static const struct vm_operations_struct xfs_file_vm_ops = {
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = xfs_vm_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 86397708b7ab..84b661f7a5ba 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2481,12 +2481,6 @@ extern int sb_min_blocksize(struct super_block *, int);

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 *);
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 7c7761536f5f..c6338ab35dc6 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -285,9 +285,6 @@ struct vm_operations_struct {
struct mempolicy *(*get_policy)(struct vm_area_struct *vma,
unsigned long addr);
#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;
diff --git a/mm/filemap.c b/mm/filemap.c
index bd8543c6508f..e50fa993e5f5 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2091,7 +2091,6 @@ const struct vm_operations_struct generic_file_vm_ops = {
.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 */
diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c
index 0d105aeff82f..70c09da1a419 100644
--- a/mm/filemap_xip.c
+++ b/mm/filemap_xip.c
@@ -301,7 +301,6 @@ 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)
diff --git a/mm/shmem.c b/mm/shmem.c
index 73ba1df7c8ba..05a2d70a9244 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -3201,7 +3201,6 @@ static const struct vm_operations_struct shmem_vm_ops = {
.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,
--
2.1.3