diff options
| -rw-r--r-- | fs/fuse/file.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index c1064866c402..4141d94de4ff 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -3110,6 +3110,7 @@ static ssize_t fuse_copy_file_range(struct file *file_in, loff_t pos_in, { struct fuse_file *ff_in = file_in->private_data; struct fuse_file *ff_out = file_out->private_data; + struct inode *inode_in = file_inode(file_in); struct inode *inode_out = file_inode(file_out); struct fuse_inode *fi_out = get_fuse_inode(inode_out); struct fuse_conn *fc = ff_in->fc; @@ -3133,6 +3134,17 @@ static ssize_t fuse_copy_file_range(struct file *file_in, loff_t pos_in, if (fc->no_copy_file_range) return -EOPNOTSUPP; + if (fc->writeback_cache) { + inode_lock(inode_in); + err = filemap_write_and_wait_range(inode_in->i_mapping, + pos_in, pos_in + len); + if (!err) + fuse_sync_writes(inode_in); + inode_unlock(inode_in); + if (err) + return err; + } + inode_lock(inode_out); if (fc->writeback_cache) { |