| Message ID | 20240708-mgtime-v4-9-a0f3c6fb57f3@kernel.org |
|---|---|
| State | Superseded |
| Headers | show
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a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720454049; bh=pHEQop1T1fiyamd9jcpDhT/4UZTaEZSdDGTRt6fHlCQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=UKGmbJG/7ixB3W/bGJpEZHxm4Uec9QfxZrgFj7++PEuKgl87p3bp8kWMv6leWLkSL SVE0ZwRWnyuoBKzcBAsY3hxdEa0X62Miv77RfoVOdaXSkuwwXlhguWYSVRCWyNSR8w UqoXJK6nxT/+k+DVz/Gl3FaKt6L25Cz9EQCL5H/2V/kCaXMFeFETwv0moyo4jhoEX4 t/GJxOCYUspDoZ2uG4F5c2jWw9oAwJGe+MWpZhRyY2YBRCjpOE3bHMVzXy3RGvcUua XA3VRpPMWHL8cD2MZY1fzsiDd6vNFGncezD7lV3qig4l7B5Ga6JVX4VgJuYhxQ3ZER Zj6EIUg8C99vQ== From: Jeff Layton <jlayton@kernel.org> Date: Mon, 08 Jul 2024 11:53:42 -0400 Subject: [PATCH v4 9/9] tmpfs: add support for multigrain timestamps Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: <linux-ext4.vger.kernel.org> List-Subscribe: <mailto:linux-ext4+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-ext4+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240708-mgtime-v4-9-a0f3c6fb57f3@kernel.org> References: <20240708-mgtime-v4-0-a0f3c6fb57f3@kernel.org> In-Reply-To: <20240708-mgtime-v4-0-a0f3c6fb57f3@kernel.org> To: Alexander Viro <viro@zeniv.linux.org.uk>, Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>, Steven Rostedt <rostedt@goodmis.org>, Masami Hiramatsu <mhiramat@kernel.org>, Mathieu Desnoyers <mathieu.desnoyers@efficios.com>, Chandan Babu R <chandan.babu@oracle.com>, "Darrick J. Wong" <djwong@kernel.org>, Theodore Ts'o <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, Chris Mason <clm@fb.com>, Josef Bacik <josef@toxicpanda.com>, David Sterba <dsterba@suse.com>, Hugh Dickins <hughd@google.com>, Andrew Morton <akpm@linux-foundation.org>, Jonathan Corbet <corbet@lwn.net> Cc: Dave Chinner <david@fromorbit.com>, Andi Kleen <ak@linux.intel.com>, Christoph Hellwig <hch@infradead.org>, Uros Bizjak <ubizjak@gmail.com>, Kent Overstreet <kent.overstreet@linux.dev>, kernel-team@fb.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-doc@vger.kernel.org, Jeff Layton <jlayton@kernel.org> X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=775; i=jlayton@kernel.org; h=from:subject:message-id; bh=pHEQop1T1fiyamd9jcpDhT/4UZTaEZSdDGTRt6fHlCQ=; b=owEBbQKS/ZANAwAIAQAOaEEZVoIVAcsmYgBmjAuElSf4XFk52fOEHI6qnk5nkcaimuSsPCsyx xjkO5P9aUmJAjMEAAEIAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCZowLhAAKCRAADmhBGVaC FesvEADXYZRR3EQySwlhPXaMFRM3Jq6pfSUAjqchFJ5ZK46/YfRIrrnfJ4JbxYnbmshpJcBbFpR 0/5Av6Pr9UhcqUkFzuoN+lTegRgHwDiMg9lrS8JZ+RlrxJ/mI1jSkec7pdJeCA1o+uEspCwJlVV l2Cm9Wm5OJidm0vx4cGXlLZzmA4IHAdkNfWh2OXgnzFFtS0l40kW+3PF0/WGTPKccPdHhD862y6 aGl4SZcQo2KyHwKsueuBZ4tdmXuTa0JkEAbMT4bH3FxqToAIDJA4U0MF44gKItQuNoJ2ZaL2Q80 a3i190J0Loaigui6n9Cpypmy9nDd74qzubrfpMJbIqFWEwRZmDlHfRnv7nbY871QEYQ4xpJ3ili ceNhjnXNEO+drx5Re8ocxYDKT6KguzKI/aKc2WahemLhWKP7yaspe4q9VcpmjmlwAgf5tUCteyd vL0qw+tr6LTcIURjivpx/9GIxekvsxkhqUC8fzHzoPesyDiTUDc40q83qFeo7qhD1gSz4BEHkE9 0xREDDycM33VqUVh2mPB/yAqqTCv4QDPuSl6S7UbBkaTsKVuI4Ib3fx3f0H3D85+gcTUpsfJwua sVJEZzud7NP7tgknaFzBM7ymq8J2fUaKNM/KfI0Xna2HmKe/3idcid7UzQ8mWcD7n4ta6cF7NGN kEUJE/n2ZdSh2Sg== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 |
| Series |
fs: multigrain timestamp redux
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expand
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diff --git a/mm/shmem.c b/mm/shmem.c index 440e2a9d8726..6dc817064140 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -4649,7 +4649,7 @@ static struct file_system_type shmem_fs_type = { .parameters = shmem_fs_parameters, #endif .kill_sb = kill_litter_super, - .fs_flags = FS_USERNS_MOUNT | FS_ALLOW_IDMAP, + .fs_flags = FS_USERNS_MOUNT | FS_ALLOW_IDMAP | FS_MGTIME, }; void __init shmem_init(void)
Enable multigrain timestamps, which should ensure that there is an apparent change to the timestamp whenever it has been written after being actively observed via getattr. tmpfs only requires the FS_MGTIME flag. Signed-off-by: Jeff Layton <jlayton@kernel.org> --- mm/shmem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)