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From: Jan Kara <jack@suse.cz>
To: Jeff Layton <jlayton@kernel.org>
Cc: 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>,
	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>,
	Arnd Bergmann <arnd@arndb.de>,
	Randy Dunlap <rdunlap@infradead.org>,
	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
Subject: Re: [PATCH v6 9/9] tmpfs: add support for multigrain timestamps
Date: Wed, 17 Jul 2024 13:34:44 +0200	[thread overview]
Message-ID: <20240717113444.imq5hru3sh5cyw2s@quack3> (raw)
In-Reply-To: <20240715-mgtime-v6-9-48e5d34bd2ba@kernel.org>

On Mon 15-07-24 08:49:00, Jeff Layton wrote:
> 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.
> 
> Reviewed-by: Josef Bacik <josef@toxicpanda.com>
> Signed-off-by: Jeff Layton <jlayton@kernel.org>

Looks good to me. Feel free to add:

Reviewed-by: Jan Kara <jack@suse.cz>

								Honza

> ---
>  mm/shmem.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/shmem.c b/mm/shmem.c
> index 7f2b609945a5..75a9a73a769f 100644
> --- a/mm/shmem.c
> +++ b/mm/shmem.c
> @@ -4660,7 +4660,7 @@ 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)
> 
> -- 
> 2.45.2
> 
-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR

  reply	other threads:[~2024-07-17 11:34 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-15 12:48 [PATCH v6 0/9] fs: multigrain timestamp redux Jeff Layton
2024-07-15 12:48 ` [PATCH v6 1/9] fs: add infrastructure for multigrain timestamps Jeff Layton
2024-07-17 10:40   ` Jan Kara
2024-08-08 22:09   ` Mateusz Guzik
2024-08-09  0:00     ` Jeff Layton
2024-08-08 23:43   ` Mateusz Guzik
2024-08-09  0:29     ` Jeff Layton
2024-07-15 12:48 ` [PATCH v6 2/9] fs: tracepoints around multigrain timestamp events Jeff Layton
2024-07-15 18:29   ` Darrick J. Wong
2024-07-17 10:41   ` Jan Kara
2024-07-15 12:48 ` [PATCH v6 3/9] fs: add percpu counters for significant " Jeff Layton
2024-07-15 18:32   ` Darrick J. Wong
2024-07-15 19:53     ` Jeff Layton
2024-07-15 20:03       ` Darrick J. Wong
2024-07-17 10:45       ` Jan Kara
2024-07-15 12:48 ` [PATCH v6 4/9] fs: have setattr_copy handle multigrain timestamps appropriately Jeff Layton
2024-07-17 11:24   ` Jan Kara
2024-07-15 12:48 ` [PATCH v6 5/9] Documentation: add a new file documenting multigrain timestamps Jeff Layton
2024-07-15 18:45   ` Darrick J. Wong
2024-07-17  6:00   ` Randy Dunlap
2024-07-17 11:31   ` Jan Kara
2024-07-17 12:02     ` Jeff Layton
2024-07-15 12:48 ` [PATCH v6 6/9] xfs: switch to " Jeff Layton
2024-07-15 18:47   ` Darrick J. Wong
2024-07-15 12:48 ` [PATCH v6 7/9] ext4: " Jeff Layton
2024-07-17 11:32   ` Jan Kara
2024-07-15 12:48 ` [PATCH v6 8/9] btrfs: convert " Jeff Layton
2024-07-15 12:49 ` [PATCH v6 9/9] tmpfs: add support for " Jeff Layton
2024-07-17 11:34   ` Jan Kara [this message]
2024-07-16  7:37 ` [PATCH v6 0/9] fs: multigrain timestamp redux Christian Brauner
2024-07-16 12:45   ` Jeff Layton
2024-07-22 15:30     ` Christian Brauner

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