From: Christian Brauner <christian.brauner@ubuntu.com>
To: viro@zeniv.linux.org.uk, torvalds@linux-foundation.org,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
hch@infradead.org
Cc: tglx@linutronix.de, kstewart@linuxfoundation.org,
gregkh@linuxfoundation.org, pombredanne@nexb.com,
Christian Brauner <christian.brauner@ubuntu.com>
Subject: [PATCH 3/6 resend] statfs: add ST_UNBINDABLE
Date: Wed, 2 May 2018 17:42:36 +0200 [thread overview]
Message-ID: <20180502154239.14013-4-christian.brauner@ubuntu.com> (raw)
In-Reply-To: <20180502154239.14013-1-christian.brauner@ubuntu.com>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---
fs/statfs.c | 2 ++
include/linux/statfs.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/fs/statfs.c b/fs/statfs.c
index 5b2a24f0f263..61b3063d3921 100644
--- a/fs/statfs.c
+++ b/fs/statfs.c
@@ -29,6 +29,8 @@ static int flags_by_mnt(int mnt_flags)
flags |= ST_NODIRATIME;
if (mnt_flags & MNT_RELATIME)
flags |= ST_RELATIME;
+ if (mnt_flags & MNT_UNBINDABLE)
+ flags |= ST_UNBINDABLE;
return flags;
}
diff --git a/include/linux/statfs.h b/include/linux/statfs.h
index b336c04e793c..e1b84d0388c1 100644
--- a/include/linux/statfs.h
+++ b/include/linux/statfs.h
@@ -40,5 +40,6 @@ struct kstatfs {
#define ST_NOATIME (1<<10) /* do not update access times */
#define ST_NODIRATIME (1<<11) /* do not update directory access times */
#define ST_RELATIME (1<<12) /* update atime relative to mtime/ctime */
+#define ST_UNBINDABLE (1<<17) /* change to unbindable */
#endif
--
2.17.0
next prev parent reply other threads:[~2018-05-02 15:45 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-02 15:42 [PATCH 0/6 resend] statfs: handle mount propagation Christian Brauner
2018-05-02 15:42 ` [PATCH 1/6 resend] fs: use << for MS_* flags Christian Brauner
2018-05-02 15:42 ` [PATCH 2/6 resend] statfs: use << to align with fs header Christian Brauner
2018-05-02 15:42 ` Christian Brauner [this message]
2018-05-02 15:42 ` [PATCH 4/6 resend] statfs: add ST_SHARED Christian Brauner
2018-05-02 15:42 ` [PATCH 5/6 resend] statfs: add ST_SLAVE Christian Brauner
2018-05-03 2:36 ` Linus Torvalds
2018-05-03 13:17 ` Christian Brauner
2018-05-02 15:42 ` [PATCH 6/6 resend] statfs: add ST_PRIVATE Christian Brauner
2018-05-02 16:09 ` [PATCH 0/6 resend] statfs: handle mount propagation Al Viro
2018-05-03 13:04 ` Christian Brauner
2018-05-03 13:43 ` Al Viro
2018-05-03 13:57 ` Christian Brauner
-- strict thread matches above, loose matches on Subject: below --
2018-04-18 9:27 [PATCH 0/6 RESEND] " Christian Brauner
2018-04-18 9:27 ` [PATCH 3/6 RESEND] statfs: add ST_UNBINDABLE Christian Brauner
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