fs/ntfs3: Use function file_inode to get inode from file

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>

diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c
index 35ca0f201cb8e0e0bce06a69300779324803675a..2ceb762dc679918142469d4f823d3d9c590d6e43 100644 (file)
--- a/fs/ntfs3/file.c
+++ b/fs/ntfs3/file.c
@@ -253,8 +253,7 @@ out:
  */
 static int ntfs_file_mmap(struct file *file, struct vm_area_struct *vma)
 {
-       struct address_space *mapping = file->f_mapping;
-       struct inode *inode = mapping->host;
+       struct inode *inode = file_inode(file);
        struct ntfs_inode *ni = ntfs_i(inode);
        u64 from = ((u64)vma->vm_pgoff << PAGE_SHIFT);
        bool rw = vma->vm_flags & VM_WRITE;
@@ -428,7 +427,7 @@ static int ntfs_truncate(struct inode *inode, loff_t new_size)
  */
 static long ntfs_fallocate(struct file *file, int mode, loff_t vbo, loff_t len)
 {
-       struct inode *inode = file->f_mapping->host;
+       struct inode *inode = file_inode(file);
        struct address_space *mapping = inode->i_mapping;
        struct super_block *sb = inode->i_sb;
        struct ntfs_sb_info *sbi = sb->s_fs_info;
@@ -741,7 +740,7 @@ out:
 static ssize_t ntfs_file_read_iter(struct kiocb *iocb, struct iov_iter *iter)
 {
        struct file *file = iocb->ki_filp;
-       struct inode *inode = file->f_mapping->host;
+       struct inode *inode = file_inode(file);
        struct ntfs_inode *ni = ntfs_i(inode);
 
        if (unlikely(ntfs3_forced_shutdown(inode->i_sb)))
@@ -778,7 +777,7 @@ static ssize_t ntfs_file_splice_read(struct file *in, loff_t *ppos,
                                     struct pipe_inode_info *pipe, size_t len,
                                     unsigned int flags)
 {
-       struct inode *inode = in->f_mapping->host;
+       struct inode *inode = file_inode(in);
        struct ntfs_inode *ni = ntfs_i(inode);
 
        if (unlikely(ntfs3_forced_shutdown(inode->i_sb)))
@@ -1073,8 +1072,7 @@ out:
 static ssize_t ntfs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
 {
        struct file *file = iocb->ki_filp;
-       struct address_space *mapping = file->f_mapping;
-       struct inode *inode = mapping->host;
+       struct inode *inode = file_inode(file);
        ssize_t ret;
        int err;
        struct ntfs_inode *ni = ntfs_i(inode);