Unverified Commit a96cb8eb authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!9925 ocfs2: fix races between hole punching and AIO+DIO 

Merge Pull Request from: @ci-robot 
 
PR sync from: Ye Bin <yebin10@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/GVNKI5EUP6GVGMUF5W2G2PDUB3QYFLXT/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAD0L1 
 
Link:https://gitee.com/openeuler/kernel/pulls/9925

 

Reviewed-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents 5ce8f8e3 8a16d8b8

fs/ocfs2/file.c

+2 −0
Original line number Diff line number Diff line
@@ -1940,6 +1940,8 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode, 


	inode_lock(inode);



	/* Wait all existing dio workers, newcomers will block on i_rwsem */

	inode_dio_wait(inode);

	/*

	 * This prevents concurrent writes on other nodes

	 */