Commit 6bfc4919 authored by Jaegeuk Kim's avatar Jaegeuk Kim

f2fs: issue cache flush on direct IO

Under direct IO path with O_(D)SYNC, it needs to set proper APPEND or UPDATE
flags, so taht f2fs_sync_file can make its data safe.
Acked-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 608514de
......@@ -673,6 +673,9 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
err = reserve_new_block(&dn);
} else {
err = __allocate_data_block(&dn);
if (!err)
set_inode_flag(F2FS_I(inode),
FI_APPEND_WRITE);
}
if (err)
goto sync_out;
......@@ -1685,8 +1688,12 @@ static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
trace_f2fs_direct_IO_enter(inode, offset, count, iov_iter_rw(iter));
err = blockdev_direct_IO(iocb, inode, iter, offset, get_data_block_dio);
if (err < 0 && iov_iter_rw(iter) == WRITE)
f2fs_write_failed(mapping, offset + count);
if (iov_iter_rw(iter) == WRITE) {
if (err > 0)
set_inode_flag(F2FS_I(inode), FI_UPDATE_WRITE);
else if (err < 0)
f2fs_write_failed(mapping, offset + count);
}
trace_f2fs_direct_IO_exit(inode, offset, count, iov_iter_rw(iter), err);
......
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