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Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells To: tytso@mit.edu cc: dhowells@redhat.com, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org Subject: Exporting ext4-specific information through fsinfo attributes MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2461553.1585726747.1@warthog.procyon.org.uk> Date: Wed, 01 Apr 2020 08:39:07 +0100 Message-ID: <2461554.1585726747@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Hi Ted, Whilst we were at Vault, I asked you if there was any live ext4 information that it could be useful to export through fsinfo(). I've implemented a patch that exports six superblock timestamps: FSINFO_ATTR_EXT4_TIMESTAMPS: mkfs : 2016-02-26 00:37:03 mount : 2020-03-31 21:57:30 write : 2020-03-31 21:57:28 fsck : 2018-12-17 23:32:45 1st-err : - last-err: - but is there anything else that could be of interest? Thanks, David