From: Jan Kara <jack@suse.cz>
To: Eric Biggers <ebiggers@kernel.org>
Cc: Theodore Ts'o <tytso@mit.edu>,
linux-f2fs-devel@lists.sourceforge.net,
linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-ext4@vger.kernel.org, Christoph Hellwig <hch@lst.de>
Subject: Re: [f2fs-dev] [PATCH v2 11/12] ext4: simplify i_state checks in __ext4_update_other_inode_time()
Date: Mon, 11 Jan 2021 16:11:20 +0100 [thread overview]
Message-ID: <20210111151120.GJ18475@quack2.suse.cz> (raw)
In-Reply-To: <20210109075903.208222-12-ebiggers@kernel.org>
On Fri 08-01-21 23:59:02, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@google.com>
>
> Since I_DIRTY_TIME and I_DIRTY_INODE are mutually exclusive in i_state,
> there's no need to check for I_DIRTY_TIME && !I_DIRTY_INODE. Just check
> for I_DIRTY_TIME.
>
> Signed-off-by: Eric Biggers <ebiggers@google.com>
Looks good to me. Feel free to add:
Reviewed-by: Jan Kara <jack@suse.cz>
Honza
> ---
> fs/ext4/inode.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
> index 4cc6c7834312f..00bca5c18eb65 100644
> --- a/fs/ext4/inode.c
> +++ b/fs/ext4/inode.c
> @@ -4962,14 +4962,12 @@ static void __ext4_update_other_inode_time(struct super_block *sb,
> return;
>
> if ((inode->i_state & (I_FREEING | I_WILL_FREE | I_NEW |
> - I_DIRTY_INODE)) ||
> - ((inode->i_state & I_DIRTY_TIME) == 0))
> + I_DIRTY_TIME)) != I_DIRTY_TIME)
> return;
>
> spin_lock(&inode->i_lock);
> - if (((inode->i_state & (I_FREEING | I_WILL_FREE | I_NEW |
> - I_DIRTY_INODE)) == 0) &&
> - (inode->i_state & I_DIRTY_TIME)) {
> + if ((inode->i_state & (I_FREEING | I_WILL_FREE | I_NEW |
> + I_DIRTY_TIME)) == I_DIRTY_TIME) {
> struct ext4_inode_info *ei = EXT4_I(inode);
>
> inode->i_state &= ~I_DIRTY_TIME;
> --
> 2.30.0
>
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
next prev parent reply other threads:[~2021-01-11 15:11 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-09 7:58 [f2fs-dev] [PATCH v2 00/12] lazytime fix and cleanups Eric Biggers
2021-01-09 7:58 ` [f2fs-dev] [PATCH v2 01/12] fs: fix lazytime expiration handling in __writeback_single_inode() Eric Biggers
2021-01-11 10:48 ` Christoph Hellwig
2021-01-11 14:46 ` Jan Kara
2021-01-09 7:58 ` [f2fs-dev] [PATCH v2 02/12] fs: correctly document the inode dirty flags Eric Biggers
2021-01-11 14:48 ` Jan Kara
2021-01-09 7:58 ` [f2fs-dev] [PATCH v2 03/12] fs: only specify I_DIRTY_TIME when needed in generic_update_time() Eric Biggers
2021-01-11 14:50 ` Jan Kara
2021-01-09 7:58 ` [f2fs-dev] [PATCH v2 04/12] fat: only specify I_DIRTY_TIME when needed in fat_update_time() Eric Biggers
2021-01-11 10:52 ` Christoph Hellwig
2021-01-11 19:50 ` Eric Biggers
2021-01-12 5:21 ` Dave Chinner
2021-01-12 13:23 ` Christoph Hellwig
2021-01-11 14:52 ` Jan Kara
2021-01-09 7:58 ` [f2fs-dev] [PATCH v2 05/12] fs: don't call ->dirty_inode for lazytime timestamp updates Eric Biggers
2021-01-11 14:54 ` Jan Kara
2021-01-09 7:58 ` [f2fs-dev] [PATCH v2 06/12] fs: pass only I_DIRTY_INODE flags to ->dirty_inode Eric Biggers
2021-01-11 14:56 ` Jan Kara
2021-01-09 7:58 ` [f2fs-dev] [PATCH v2 07/12] fs: clean up __mark_inode_dirty() a bit Eric Biggers
2021-01-11 14:59 ` Jan Kara
2021-01-09 7:58 ` [f2fs-dev] [PATCH v2 08/12] fs: drop redundant check from __writeback_single_inode() Eric Biggers
2021-01-11 10:52 ` Christoph Hellwig
2021-01-11 15:00 ` Jan Kara
2021-01-09 7:59 ` [f2fs-dev] [PATCH v2 09/12] fs: improve comments for writeback_single_inode() Eric Biggers
2021-01-11 10:53 ` Christoph Hellwig
2021-01-11 15:05 ` Jan Kara
2021-01-09 7:59 ` [f2fs-dev] [PATCH v2 10/12] gfs2: don't worry about I_DIRTY_TIME in gfs2_fsync() Eric Biggers
2021-01-11 15:06 ` Jan Kara
2021-01-09 7:59 ` [f2fs-dev] [PATCH v2 11/12] ext4: simplify i_state checks in __ext4_update_other_inode_time() Eric Biggers
2021-01-11 10:53 ` Christoph Hellwig
2021-01-11 20:23 ` Eric Biggers
2021-01-12 13:25 ` Christoph Hellwig
2021-02-03 5:16 ` Theodore Ts'o
2021-01-11 15:11 ` Jan Kara [this message]
2021-01-09 7:59 ` [f2fs-dev] [PATCH v2 12/12] xfs: remove a stale comment from xfs_file_aio_write_checks() Eric Biggers
2021-01-12 17:31 ` Darrick J. Wong
2021-01-11 15:15 ` [f2fs-dev] [PATCH v2 00/12] lazytime fix and cleanups Jan Kara
2021-01-11 20:44 ` Eric Biggers
2021-02-03 5:11 ` Theodore Ts'o
2021-02-03 5:22 ` Eric Biggers
2021-02-03 15:49 ` Theodore Ts'o
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210111151120.GJ18475@quack2.suse.cz \
--to=jack@suse.cz \
--cc=ebiggers@kernel.org \
--cc=hch@lst.de \
--cc=linux-ext4@vger.kernel.org \
--cc=linux-f2fs-devel@lists.sourceforge.net \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-xfs@vger.kernel.org \
--cc=tytso@mit.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).