diff options
Diffstat (limited to 'fs/fuse/file.c')
| -rw-r--r-- | fs/fuse/file.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 4c20bf61d9c3..dc342edb399b 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -3142,6 +3142,9 @@ static ssize_t __fuse_copy_file_range(struct file *file_in, loff_t pos_in, if (fc->no_copy_file_range) return -EOPNOTSUPP; + if (file_inode(file_in)->i_sb != file_inode(file_out)->i_sb) + return -EXDEV; + if (fc->writeback_cache) { inode_lock(inode_in); err = fuse_writeback_range(inode_in, pos_in, pos_in + len); @@ -3203,7 +3206,7 @@ static ssize_t fuse_copy_file_range(struct file *src_file, loff_t src_off, ret = __fuse_copy_file_range(src_file, src_off, dst_file, dst_off, len, flags); - if (ret == -EOPNOTSUPP) + if (ret == -EOPNOTSUPP || ret == -EXDEV) ret = generic_copy_file_range(src_file, src_off, dst_file, dst_off, len, flags); return ret; |