diff options
Diffstat (limited to 'fs/read_write.c')
| -rw-r--r-- | fs/read_write.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/read_write.c b/fs/read_write.c index 3d810a11102c..175d30e3b603 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -1655,8 +1655,12 @@ int vfs_clone_file_range(struct file *file_in, loff_t pos_in, struct inode *inode_out = file_inode(file_out); int ret; - if (inode_in->i_sb != inode_out->i_sb || - file_in->f_path.mnt != file_out->f_path.mnt) + /* + * FICLONE/FICLONERANGE ioctls enforce that src and dest files are on + * the same mount. Practically, they only need to be on the same file + * system. + */ + if (inode_in->i_sb != inode_out->i_sb) return -EXDEV; if (S_ISDIR(inode_in->i_mode) || S_ISDIR(inode_out->i_mode)) |