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Commit 1fd4f349 authored Aug 28, 2019 by Chao Yu Committed by Jaegeuk Kim Sep 23, 2019

f2fs: fix to handle error path correctly in f2fs_map_blocks



In f2fs_map_blocks(), we should bail out once __allocate_data_block()
failed.

Fixes: f847c699cff3 ("f2fs: allow out-place-update for direct IO in LFS mode")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent ed6712dc

fs/f2fs/data.c

+4 −4

Original line number	Diff line number	Diff line
		@@ -1230,11 +1230,11 @@ int f2fs_map_blocks(struct inode inode, struct f2fs_map_blocks map,
		if (test_opt(sbi, LFS) && flag == F2FS_GET_BLOCK_DIO &&
		map->m_may_create) {
		err = __allocate_data_block(&dn, map->m_seg_type);
		if (!err) {
		if (err)
		goto sync_out;
		blkaddr = dn.data_blkaddr;
		set_inode_flag(inode, FI_APPEND_WRITE);
		}
		}
		} else {
		if (create) {
		if (unlikely(f2fs_cp_error(sbi))) {