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authorMiaohe Lin <linmiaohe@huawei.com>2022-07-26 22:29:18 +0800
committerakpm <akpm@linux-foundation.org>2022-07-29 18:07:19 -0700
commit116807634569bdb9defe1c01e442e76e4f432961 (patch)
treefe413772b0f1ece665ba0619b410d0a533105ff9 /fs/hugetlbfs
parent445c809829dc164c5b1917c72e335bd294aa4dc8 (diff)
downloadlinux-116807634569bdb9defe1c01e442e76e4f432961.tar.bz2
hugetlbfs: fix inaccurate comment in hugetlbfs_statfs()
In some cases, e.g. when size option is not specified, f_blocks, f_bavail and f_bfree will be set to -1 instead of 0. Likewise, when nr_inodes isn't specified, f_files and f_ffree will be set to -1 too. Update the comment to make this clear. Link: https://lkml.kernel.org/r/20220726142918.51693-6-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Reviewed-by: Muchun Song <songmuchun@bytedance.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/hugetlbfs')
-rw-r--r--fs/hugetlbfs/inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 998672be99c5..be22cffbb579 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -1090,7 +1090,7 @@ static int hugetlbfs_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_bsize = huge_page_size(h);
if (sbinfo) {
spin_lock(&sbinfo->stat_lock);
- /* If no limits set, just report 0 for max/free/used
+ /* If no limits set, just report 0 or -1 for max/free/used
* blocks, like simple_statfs() */
if (sbinfo->spool) {
long free_pages;