From: Huang Shijie <huangsj@hygon.cn>
To: <viro@zeniv.linux.org.uk>, <brauner@kernel.org>
Cc: <zhongyuan@hygon.cn>, <fangbaoshun@hygon.cn>,
<yingzhiwei@hygon.cn>, <jack@suse.cz>, <dev.jain@arm.com>,
<ljs@kernel.org>, <adobriyan@gmail.com>,
<akpm@linux-foundation.org>, <hpa@zytor.com>,
<ryan.roberts@arm.com>, <mjguzik@gmail.com>,
<joel.granados@kernel.org>, <jannh@google.com>, <oleg@redhat.com>,
<aleksa@amutable.com>, <legion@kernel.org>, <kees@kernel.org>,
<joannelkoong@gmail.com>, <tj@kernel.org>,
<libaokun@linux.alibaba.com>, <ebiggers@kernel.org>,
<sandeen@redhat.com>, <linux-fsdevel@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, Huang Shijie <huangsj@hygon.cn>
Subject: [RFC PATCH v2 2/3] fs/super: introduce a helper sb_inodes_empty()
Date: Sun, 20 Sep 2026 15:28:10 +0800 [thread overview]
Message-ID: <20260920072811.2064247-3-huangsj@hygon.cn> (raw)
In-Reply-To: <20260920072811.2064247-1-huangsj@hygon.cn>
Introduce a helper sb_inodes_empty() which is used to
detect if the inodes list is empty.
Signed-off-by: Huang Shijie <huangsj@hygon.cn>
---
fs/super.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/fs/super.c b/fs/super.c
index 9d4025213521..e25ded0bc9a2 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -710,6 +710,11 @@ void retire_super(struct super_block *sb)
}
EXPORT_SYMBOL(retire_super);
+static bool sb_inodes_empty(struct super_block *sb)
+{
+ return list_empty(&sb->s_inodes);
+}
+
/**
* generic_shutdown_super - common helper for ->kill_sb()
* @sb: superblock to kill
@@ -760,7 +765,7 @@ void generic_shutdown_super(struct super_block *sb)
*/
fscrypt_destroy_keyring(sb);
- if (CHECK_DATA_CORRUPTION(!list_empty(&sb->s_inodes), NULL,
+ if (CHECK_DATA_CORRUPTION(!sb_inodes_empty(sb), NULL,
"VFS: Busy inodes after unmount of %s (%s)",
sb->s_id, sb->s_type->name)) {
/*
--
2.53.0
next prev parent reply other threads:[~2026-09-20 7:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-20 7:28 [RFC PATCH v2 0/3] fs/proc: split the inode list for procfs Huang Shijie
2026-09-20 7:28 ` [RFC PATCH v2 1/3] fs/drop_caches: skip filesystems without page cache Huang Shijie
2026-09-20 7:28 ` Huang Shijie [this message]
2026-09-20 7:28 ` [RFC PATCH v2 3/3] fs/proc: split the inode list Huang Shijie
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