From: Matthew Wilcox <willy@infradead.org>
To: Jan Kara <jack@suse.cz>
Cc: Eric Biggers <ebiggers@kernel.org>,
linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net,
linux-xfs@vger.kernel.org, Theodore Ts'o <tytso@mit.edu>,
Christoph Hellwig <hch@lst.de>,
stable@vger.kernel.org
Subject: Re: [PATCH 01/13] fs: avoid double-writing inodes on lazytime expiration
Date: Thu, 7 Jan 2021 14:58:37 +0000 [thread overview]
Message-ID: <20210107145837.GA5270@casper.infradead.org> (raw)
In-Reply-To: <20210107144709.GG12990@quack2.suse.cz>
On Thu, Jan 07, 2021 at 03:47:09PM +0100, Jan Kara wrote:
> I think attached patch (compile-tested only) should actually fix the
> problem as well without this special ->dirty_inode() call. It basically
> only moves the mark_inode_dirty_sync() before inode->i_state clearing.
> Because conceptually mark_inode_dirty_sync() is IMO the right function to
> call. It will take care of clearing I_DIRTY_TIME flag (because we are
> setting I_DIRTY_SYNC), it will also not touch inode->i_io_list if the inode
> is queued for sync (I_SYNC_QUEUED is set in that case). The only problem
> with calling it was that it was called *after* clearing dirty bits from
> i_state... What do you think?
I like this patch far more, fwiw.
next prev parent reply other threads:[~2021-01-08 20:39 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-05 0:54 [PATCH 00/13] lazytime fixes and cleanups Eric Biggers
2021-01-05 0:54 ` [PATCH 01/13] fs: avoid double-writing inodes on lazytime expiration Eric Biggers
2021-01-07 14:47 ` Jan Kara
2021-01-07 14:58 ` Matthew Wilcox [this message]
2021-01-07 21:46 ` Eric Biggers
2021-01-08 8:54 ` Christoph Hellwig
2021-01-08 9:01 ` Christoph Hellwig
2021-01-09 17:11 ` Eric Biggers
2021-01-05 0:54 ` [PATCH 02/13] gfs2: don't worry about I_DIRTY_TIME in gfs2_fsync() Eric Biggers
2021-01-08 8:54 ` Christoph Hellwig
2021-01-05 0:54 ` [PATCH 03/13] fs: only specify I_DIRTY_TIME when needed in generic_update_time() Eric Biggers
2021-01-08 8:57 ` Christoph Hellwig
2021-01-05 0:54 ` [PATCH 04/13] fat: only specify I_DIRTY_TIME when needed in fat_update_time() Eric Biggers
2021-01-07 13:13 ` Jan Kara
2021-01-07 19:10 ` Eric Biggers
2021-01-05 0:54 ` [PATCH 05/13] fs: don't call ->dirty_inode for lazytime timestamp updates Eric Biggers
2021-01-07 13:17 ` Jan Kara
2021-01-07 13:18 ` Jan Kara
2021-01-08 9:02 ` Christoph Hellwig
2021-01-05 0:54 ` [PATCH 06/13] fs: pass only I_DIRTY_INODE flags to ->dirty_inode Eric Biggers
2021-01-08 9:02 ` Christoph Hellwig
2021-01-05 0:54 ` [PATCH 07/13] fs: correctly document the inode dirty flags Eric Biggers
2021-01-08 9:03 ` Christoph Hellwig
2021-01-05 0:54 ` [PATCH 08/13] ext4: simplify i_state checks in __ext4_update_other_inode_time() Eric Biggers
2021-01-07 13:24 ` Jan Kara
2021-01-07 19:06 ` Eric Biggers
2021-01-05 0:54 ` [PATCH 09/13] fs: drop redundant checks from __writeback_single_inode() Eric Biggers
2021-01-08 9:12 ` Christoph Hellwig
2021-01-05 0:54 ` [PATCH 10/13] fs: clean up __mark_inode_dirty() a bit Eric Biggers
2021-01-08 9:10 ` Christoph Hellwig
2021-01-05 0:54 ` [PATCH 11/13] fs: add a lazytime_expired method Eric Biggers
2021-01-07 14:02 ` Jan Kara
2021-01-07 22:05 ` Eric Biggers
2021-01-08 9:14 ` Christoph Hellwig
2021-01-05 0:54 ` [PATCH 12/13] xfs: remove a stale comment from xfs_file_aio_write_checks() Eric Biggers
2021-01-08 9:15 ` Christoph Hellwig
2021-01-05 0:54 ` [PATCH 13/13] xfs: implement lazytime_expired Eric Biggers
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