Unverified Commit ed0042cb authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!13196 fs/ntfs3: Additional check in ntfs_file_release 

Merge Pull Request from: @ci-robot 
 
PR sync from: Yifan Qiao <qiaoyifan4@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/4WIN2EGE45VGRGKBPKY7AI7PTHEY72V4/ 
 
https://gitee.com/src-openeuler/kernel/issues/IB37A2 
 
Link:https://gitee.com/openeuler/kernel/pulls/13196

 

Reviewed-by: default avatarzhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 6df41a89 5ad4fd8f

fs/ntfs3/file.c

+8 −1
Original line number Diff line number Diff line
@@ -1189,7 +1189,14 @@ static int ntfs_file_release(struct inode *inode, struct file *file) 


	/* If we are last writer on the inode, drop the block reservation. */

	if (sbi->options->prealloc && ((file->f_mode & FMODE_WRITE) &&

				      atomic_read(&inode->i_writecount) == 1)) {

	     atomic_read(&inode->i_writecount) == 1)

	   /*

	    * The only file when inode->i_fop = &ntfs_file_operations and

	    * init_rwsem(&ni->file.run_lock) is not called explicitly is MFT.

	    *

	    * Add additional check here.

	    */

	    && inode->i_ino != MFT_REC_MFT) {

		ni_lock(ni);

		down_write(&ni->file.run_lock);