Unverified Commit ae0bc942 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!8921 hugetlbfs: fix hugetlbfs_statfs() locking 

Merge Pull Request from: @ci-robot 
 
PR sync from: Yifan Qiao <qiaoyifan4@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/NPKI53N7MYCBG6KLGU3UN2F5BU5NAWT3/ 
 
https://gitee.com/openeuler/kernel/issues/I9SY02 
 
Link:https://gitee.com/openeuler/kernel/pulls/8921
parents 65017336 4c1f2c81

fs/hugetlbfs/inode.c

+2 −2
Original line number Diff line number Diff line
@@ -1133,12 +1133,12 @@ static int hugetlbfs_statfs(struct dentry *dentry, struct kstatfs *buf) 
		if (sbinfo->spool) {

			long free_pages;



			spin_lock(&sbinfo->spool->lock);

			spin_lock_irq(&sbinfo->spool->lock);

			buf->f_blocks = sbinfo->spool->max_hpages;

			free_pages = sbinfo->spool->max_hpages

				- sbinfo->spool->used_hpages;

			buf->f_bavail = buf->f_bfree = free_pages;

			spin_unlock(&sbinfo->spool->lock);

			spin_unlock_irq(&sbinfo->spool->lock);

			buf->f_files = sbinfo->max_inodes;

			buf->f_ffree = sbinfo->free_inodes;

		}