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From: Jeff Layton <jlayton@poochiereds.net>
To: Christoph Hellwig <hch@infradead.org>, jlayton@kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Al Viro <viro@ZenIV.linux.org.uk>,  Jan Kara <jack@suse.cz>,
	tytso@mit.edu, axboe@kernel.dk, mawilcox@microsoft.com,
	 ross.zwisler@linux.intel.com, corbet@lwn.net,
	Chris Mason <clm@fb.com>, Josef Bacik <jbacik@fb.com>,
	David Sterba <dsterba@suse.com>,
	"Darrick J . Wong" <darrick.wong@oracle.com>,
	Carlos Maiolino <cmaiolino@redhat.com>,
	Eryu Guan <eguan@redhat.com>, David Howells <dhowells@redhat.com>,
	Liu Bo <bo.li.liu@oracle.com>,
	linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
	linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org,
	linux-btrfs@vger.kernel.org, linux-block@vger.kernel.org
Subject: Re: [PATCH v8 03/18] fs: check for writeback errors after syncing out buffers in generic_file_fsync
Date: Thu, 29 Jun 2017 16:17:23 -0400	[thread overview]
Message-ID: <1498767443.5710.1.camel@poochiereds.net> (raw)
In-Reply-To: <20170629141933.GE17251@infradead.org>

On Thu, 2017-06-29 at 07:19 -0700, Christoph Hellwig wrote:
> On Thu, Jun 29, 2017 at 09:19:39AM -0400, jlayton@kernel.org wrote:
> > From: Jeff Layton <jlayton@redhat.com>
> > 
> > ext2 currently does a test+clear of the AS_EIO flag, which is
> > is problematic for some coming changes.
> > 
> > What we really need to do instead is call filemap_check_errors
> > in __generic_file_fsync after syncing out the buffers. That
> > will be sufficient for this case, and help other callers detect
> > these errors properly as well.
> > 
> > With that, we don't need to twiddle it in ext2.
> 
> Seems like much of this code is getting replaced later in the
> series..


It does. I suppose I could squash this in with the __generic_file_fsync
patch.

-- 
Jeff Layton <jlayton@poochiereds.net>

WARNING: multiple messages have this Message-ID
From: Jeff Layton <jlayton@poochiereds.net>
To: Christoph Hellwig <hch@infradead.org>, jlayton@kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Al Viro <viro@ZenIV.linux.org.uk>,  Jan Kara <jack@suse.cz>,
	tytso@mit.edu, axboe@kernel.dk, mawilcox@microsoft.com,
	 ross.zwisler@linux.intel.com, corbet@lwn.net,
	Chris Mason <clm@fb.com>, Josef Bacik <jbacik@fb.com>,
	David Sterba <dsterba@suse.com>,
	"Darrick J . Wong" <darrick.wong@oracle.com>,
	Carlos Maiolino <cmaiolino@redhat.com>,
	Eryu Guan <eguan@redhat.com>, David Howells <dhowells@redhat.com>,
	Liu Bo <bo.li.liu@oracle.com>,
	linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
	linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org,
	linux-btrfs@vger.kernel.org, linux-block@vger.kernel.org
Subject: Re: [PATCH v8 03/18] fs: check for writeback errors after syncing out buffers in generic_file_fsync
Date: Thu, 29 Jun 2017 16:17:23 -0400	[thread overview]
Message-ID: <1498767443.5710.1.camel@poochiereds.net> (raw)
In-Reply-To: <20170629141933.GE17251@infradead.org>

On Thu, 2017-06-29 at 07:19 -0700, Christoph Hellwig wrote:
> On Thu, Jun 29, 2017 at 09:19:39AM -0400, jlayton@kernel.org wrote:
> > From: Jeff Layton <jlayton@redhat.com>
> > 
> > ext2 currently does a test+clear of the AS_EIO flag, which is
> > is problematic for some coming changes.
> > 
> > What we really need to do instead is call filemap_check_errors
> > in __generic_file_fsync after syncing out the buffers. That
> > will be sufficient for this case, and help other callers detect
> > these errors properly as well.
> > 
> > With that, we don't need to twiddle it in ext2.
> 
> Seems like much of this code is getting replaced later in the
> series..


It does. I suppose I could squash this in with the __generic_file_fsync
patch.

-- 
Jeff Layton <jlayton@poochiereds.net>

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
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WARNING: multiple messages have this Message-ID
From: Jeff Layton <jlayton@poochiereds.net>
To: Christoph Hellwig <hch@infradead.org>, jlayton@kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Al Viro <viro@ZenIV.linux.org.uk>, Jan Kara <jack@suse.cz>,
	tytso@mit.edu, axboe@kernel.dk, mawilcox@microsoft.com,
	ross.zwisler@linux.intel.com, corbet@lwn.net,
	Chris Mason <clm@fb.com>, Josef Bacik <jbacik@fb.com>,
	David Sterba <dsterba@suse.com>,
	"Darrick J . Wong" <darrick.wong@oracle.com>,
	Carlos Maiolino <cmaiolino@redhat.com>,
	Eryu Guan <eguan@redhat.com>, David Howells <dhowells@redhat.com>,
	Liu Bo <bo.li.liu@oracle.com>,
	linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
	linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org,
	linux-btrfs@vger.kernel.org, linux-block@vger.kernel.org
Subject: Re: [PATCH v8 03/18] fs: check for writeback errors after syncing out buffers in generic_file_fsync
Date: Thu, 29 Jun 2017 16:17:23 -0400	[thread overview]
Message-ID: <1498767443.5710.1.camel@poochiereds.net> (raw)
In-Reply-To: <20170629141933.GE17251@infradead.org>

On Thu, 2017-06-29 at 07:19 -0700, Christoph Hellwig wrote:
> On Thu, Jun 29, 2017 at 09:19:39AM -0400, jlayton@kernel.org wrote:
> > From: Jeff Layton <jlayton@redhat.com>
> > 
> > ext2 currently does a test+clear of the AS_EIO flag, which is
> > is problematic for some coming changes.
> > 
> > What we really need to do instead is call filemap_check_errors
> > in __generic_file_fsync after syncing out the buffers. That
> > will be sufficient for this case, and help other callers detect
> > these errors properly as well.
> > 
> > With that, we don't need to twiddle it in ext2.
> 
> Seems like much of this code is getting replaced later in the
> series..


It does. I suppose I could squash this in with the __generic_file_fsync
patch.

-- 
Jeff Layton <jlayton@poochiereds.net>

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

  reply	other threads:[~2017-06-29 20:17 UTC|newest]

Thread overview: 90+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-29 13:19 [PATCH v8 00/18] fs: enhanced writeback error reporting with errseq_t (pile #1) jlayton
2017-06-29 13:19 ` jlayton
2017-06-29 13:19 ` [PATCH v8 01/18] fs: remove call_fsync helper function jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 13:19 ` [PATCH v8 02/18] buffer: use mapping_set_error instead of setting the flag jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 13:19 ` [PATCH v8 03/18] fs: check for writeback errors after syncing out buffers in generic_file_fsync jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 14:19   ` Christoph Hellwig
2017-06-29 14:19     ` Christoph Hellwig
2017-06-29 20:17     ` Jeff Layton [this message]
2017-06-29 20:17       ` Jeff Layton
2017-06-29 20:17       ` Jeff Layton
2017-06-29 20:17       ` Jeff Layton
2017-06-29 13:19 ` [PATCH v8 04/18] buffer: set errors in mapping at the time that the error occurs jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 13:19 ` [PATCH v8 05/18] jbd2: don't clear and reset errors after waiting on writeback jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 13:19 ` [PATCH v8 06/18] mm: clear AS_EIO/AS_ENOSPC when writeback initiation fails jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 13:19 ` [PATCH v8 07/18] mm: don't TestClearPageError in __filemap_fdatawait_range jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 13:19 ` [PATCH v8 08/18] mm: clean up error handling in write_one_page jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 13:19 ` [PATCH v8 09/18] lib: add errseq_t type and infrastructure for handling it jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 13:19 ` [PATCH v8 10/18] fs: new infrastructure for writeback error handling and reporting jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 13:45   ` Jeff Layton
2017-06-29 13:45     ` Jeff Layton
2017-06-29 13:45     ` Jeff Layton
2017-06-29 13:45     ` Jeff Layton
2017-06-29 17:52   ` Jeff Layton
2017-06-29 17:52     ` Jeff Layton
2017-06-29 17:52     ` Jeff Layton
2017-06-29 17:52     ` Jeff Layton
2017-06-29 13:19 ` [PATCH v8 11/18] mm: set both AS_EIO/AS_ENOSPC and errseq_t in mapping_set_error jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 13:19 ` [PATCH v8 12/18] Documentation: flesh out the section in vfs.txt on storing and reporting writeback errors jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 17:11   ` Darrick J. Wong
2017-06-29 17:11     ` Darrick J. Wong
2017-06-29 18:13     ` Jeff Layton
2017-06-29 18:13       ` Jeff Layton
2017-06-29 18:13       ` Jeff Layton
2017-06-29 18:13       ` Jeff Layton
2017-06-29 18:21       ` Matthew Wilcox
2017-06-29 18:21         ` Matthew Wilcox
2017-06-29 18:21         ` Matthew Wilcox
2017-06-29 20:42         ` Jeff Layton
2017-06-29 20:42           ` Jeff Layton
2017-06-29 20:42           ` Jeff Layton
2017-06-29 20:42           ` Jeff Layton
2017-06-29 20:42           ` Jeff Layton
2017-06-29 13:19 ` [PATCH v8 13/18] dax: set errors in mapping when writeback fails jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 13:19 ` [PATCH v8 14/18] block: convert to errseq_t based writeback error tracking jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 14:18   ` Christoph Hellwig
2017-06-29 14:18     ` Christoph Hellwig
2017-06-29 13:19 ` [PATCH v8 15/18] fs: convert __generic_file_fsync to use errseq_t based reporting jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 13:19 ` [PATCH v8 16/18] ext4: use errseq_t based error handling for reporting data writeback errors jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 14:12   ` Christoph Hellwig
2017-06-29 14:12     ` Christoph Hellwig
2017-06-29 20:26     ` Jeff Layton
2017-06-29 20:26       ` Jeff Layton
2017-06-29 20:26       ` Jeff Layton
2017-06-29 20:26       ` Jeff Layton
2017-06-29 13:19 ` [PATCH v8 17/18] xfs: minimal conversion to errseq_t writeback error reporting jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 14:12   ` Christoph Hellwig
2017-06-29 14:12     ` Christoph Hellwig
2017-06-30 16:45     ` Jeff Layton
2017-06-30 16:45       ` Jeff Layton
2017-06-30 16:45       ` Jeff Layton
2017-06-30 16:45       ` Jeff Layton
2017-06-30 16:49       ` Christoph Hellwig
2017-06-30 16:49         ` Christoph Hellwig
2017-06-29 17:13   ` Darrick J. Wong
2017-06-29 17:13     ` Darrick J. Wong
2017-06-29 13:19 ` [PATCH v8 18/18] btrfs: minimal conversion to errseq_t writeback error reporting on fsync jlayton
2017-06-29 13:19   ` jlayton
2017-06-29 14:17   ` Christoph Hellwig
2017-06-29 14:17     ` Christoph Hellwig
2017-06-29 20:32     ` Jeff Layton
2017-06-29 20:32       ` Jeff Layton
2017-06-29 20:32       ` Jeff Layton
2017-06-29 20:32       ` Jeff Layton

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