linux-kernel - Re: [PATCH v2] ext4: fix the time handling macros when ext4 is using small inodes

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Message-Id: <20230724-vorgreifen-fernbedienung-c4f71dc6e01e@brauner>
Date:   Mon, 24 Jul 2023 10:32:13 +0200
From:   Christian Brauner <brauner@...nel.org>
To:     Jeff Layton <jlayton@...nel.org>
Cc:     Christian Brauner <brauner@...nel.org>, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Hugh Dickins <hughd@...gle.com>, Theodore Ts'o <tytso@....edu>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Jan Kara <jack@...e.cz>
Subject: Re: [PATCH v2] ext4: fix the time handling macros when ext4 is using small inodes

On Wed, 19 Jul 2023 06:32:19 -0400, Jeff Layton wrote:
> If ext4 is using small on-disk inodes, then it may not be able to store
> fine grained timestamps. It also can't store the i_crtime at all in that
> case since that fully lives in the extended part of the inode.
> 
> 979492850abd got the EXT4_EINODE_{GET,SET}_XTIME macros wrong, and would
> still store the tv_sec field of the i_crtime into the raw_inode, even
> when they were small, corrupting adjacent memory.
> 
> [...]

Applied to the vfs.ctime branch of the vfs/vfs.git tree.
Patches in the vfs.ctime branch should appear in linux-next soon.

Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.

It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs.ctime

[1/1 FOLD] ext4: fix the time handling macros when ext4 is using small inodes
      https://git.kernel.org/vfs/vfs/c/1311011c2bb7