From: Amir Goldstein <amir73il@gmail.com>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: "Darrick J . Wong" <darrick.wong@oracle.com>,
Christoph Hellwig <hch@lst.de>, Theodore Ts'o <tytso@mit.edu>,
Jaegeuk Kim <jaegeuk@kernel.org>,
Mark Fasheh <mfasheh@versity.com>,
Al Viro <viro@zeniv.linux.org.uk>,
linux-xfs@vger.kernel.org, linux-unionfs@vger.kernel.org,
linux-fsdevel@vger.kernel.org
Subject: [PATCH 5/5] xfs: set the super block SB_I_HAVE_UUID flag
Date: Thu, 27 Apr 2017 11:59:34 +0300 [thread overview]
Message-ID: <1493283574-1497-6-git-send-email-amir73il@gmail.com> (raw)
In-Reply-To: <1493283574-1497-1-git-send-email-amir73il@gmail.com>
Let consumers (i.e. overlayfs) know that the content of the field
sb->s_uuid is valid.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
---
fs/xfs/xfs_mount.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 29e45a0..bb1d325 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -103,6 +103,7 @@ xfs_uuid_mount(
/* Publish UUID in struct super_block */
BUILD_BUG_ON(sizeof(mp->m_super->s_uuid) != sizeof(uuid_t));
memcpy(&mp->m_super->s_uuid, uuid, sizeof(uuid_t));
+ mp->m_super->s_iflags |= SB_I_HAVE_UUID;
return 0;
out_duplicate:
--
2.7.4
next prev parent reply other threads:[~2017-04-27 8:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-27 8:59 [PATCH 0/5] VFS API for getting filesystem's UUID Amir Goldstein
2017-04-27 8:59 ` [PATCH 1/5] vfs: define a flag to indicate sb->s_uuid is available Amir Goldstein
2017-04-27 19:34 ` Darrick J. Wong
2017-04-27 8:59 ` [PATCH 2/5] ext4: set the super block SB_I_HAVE_UUID flag Amir Goldstein
2017-04-27 8:59 ` [PATCH 3/5] f2fs: " Amir Goldstein
2017-04-27 8:59 ` [PATCH 4/5] ocfs2: " Amir Goldstein
2017-04-27 8:59 ` Amir Goldstein [this message]
2017-04-27 9:09 ` [PATCH 0/5] VFS API for getting filesystem's UUID Miklos Szeredi
2017-04-29 23:01 ` Dave Chinner
2017-04-30 0:54 ` Al Viro
2017-04-30 5:04 ` Amir Goldstein
2017-04-30 5:01 ` Amir Goldstein
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