From: Christoph Hellwig <hch@infradead.org>
To: Vishal Verma <vishal.l.verma@intel.com>
Cc: linux-nvdimm@ml01.01.org, linux-fsdevel@vger.kernel.org,
linux-block@vger.kernel.org, xfs@oss.sgi.com,
linux-ext4@vger.kernel.org, linux-mm@kvack.org,
Matthew Wilcox <matthew.r.wilcox@intel.com>,
Ross Zwisler <ross.zwisler@linux.intel.com>,
Dan Williams <dan.j.williams@intel.com>,
Dave Chinner <david@fromorbit.com>, Jan Kara <jack@suse.cz>,
Jens Axboe <axboe@fb.com>, Al Viro <viro@zeniv.linux.org.uk>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 4/5] dax: use sb_issue_zerout instead of calling dax_clear_sectors
Date: Fri, 25 Mar 2016 03:44:18 -0700 [thread overview]
Message-ID: <20160325104418.GA10525@infradead.org> (raw)
In-Reply-To: <1458861450-17705-5-git-send-email-vishal.l.verma@intel.com>
On Thu, Mar 24, 2016 at 05:17:29PM -0600, Vishal Verma wrote:
> @@ -72,16 +72,7 @@ xfs_zero_extent(
> struct xfs_mount *mp = ip->i_mount;
> xfs_daddr_t sector = xfs_fsb_to_db(ip, start_fsb);
> sector_t block = XFS_BB_TO_FSBT(mp, sector);
> - ssize_t size = XFS_FSB_TO_B(mp, count_fsb);
>
> - if (IS_DAX(VFS_I(ip)))
> - return dax_clear_sectors(xfs_find_bdev_for_inode(VFS_I(ip)),
> - sector, size);
> -
> - /*
> - * let the block layer decide on the fastest method of
> - * implementing the zeroing.
> - */
> return sb_issue_zeroout(mp->m_super, block, count_fsb, GFP_NOFS);
While not new: using sb_issue_zeroout in XFS is wrong as it doesn't
account for the RT device. We need the xfs_find_bdev_for_inode and
call blkdev_issue_zeroout directly with the bdev it returned.
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WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@infradead.org>
To: Vishal Verma <vishal.l.verma@intel.com>
Cc: Jens Axboe <axboe@fb.com>, Jan Kara <jack@suse.cz>,
Andrew Morton <akpm@linux-foundation.org>,
linux-nvdimm@ml01.01.org, xfs@oss.sgi.com,
linux-block@vger.kernel.org, linux-mm@kvack.org,
Matthew Wilcox <matthew.r.wilcox@intel.com>,
linux-fsdevel@vger.kernel.org,
Ross Zwisler <ross.zwisler@linux.intel.com>,
linux-ext4@vger.kernel.org,
Dan Williams <dan.j.williams@intel.com>,
Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: [PATCH 4/5] dax: use sb_issue_zerout instead of calling dax_clear_sectors
Date: Fri, 25 Mar 2016 03:44:18 -0700 [thread overview]
Message-ID: <20160325104418.GA10525@infradead.org> (raw)
In-Reply-To: <1458861450-17705-5-git-send-email-vishal.l.verma@intel.com>
On Thu, Mar 24, 2016 at 05:17:29PM -0600, Vishal Verma wrote:
> @@ -72,16 +72,7 @@ xfs_zero_extent(
> struct xfs_mount *mp = ip->i_mount;
> xfs_daddr_t sector = xfs_fsb_to_db(ip, start_fsb);
> sector_t block = XFS_BB_TO_FSBT(mp, sector);
> - ssize_t size = XFS_FSB_TO_B(mp, count_fsb);
>
> - if (IS_DAX(VFS_I(ip)))
> - return dax_clear_sectors(xfs_find_bdev_for_inode(VFS_I(ip)),
> - sector, size);
> -
> - /*
> - * let the block layer decide on the fastest method of
> - * implementing the zeroing.
> - */
> return sb_issue_zeroout(mp->m_super, block, count_fsb, GFP_NOFS);
While not new: using sb_issue_zeroout in XFS is wrong as it doesn't
account for the RT device. We need the xfs_find_bdev_for_inode and
call blkdev_issue_zeroout directly with the bdev it returned.
_______________________________________________
xfs mailing list
xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs
next prev parent reply other threads:[~2016-03-25 10:44 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-24 23:17 [PATCH 0/5] dax: handling of media errors Vishal Verma
2016-03-24 23:17 ` Vishal Verma
2016-03-24 23:17 ` Vishal Verma
2016-03-24 23:17 ` Vishal Verma
2016-03-24 23:17 ` [PATCH 1/5] block, dax: pass blk_dax_ctl through to drivers Vishal Verma
2016-03-24 23:17 ` Vishal Verma
2016-03-24 23:17 ` [PATCH 2/5] dax: fallback from pmd to pte on error Vishal Verma
2016-03-24 23:17 ` Vishal Verma
2016-03-24 23:17 ` Vishal Verma
2016-03-24 23:17 ` [PATCH 3/5] dax: enable dax in the presence of known media errors (badblocks) Vishal Verma
2016-03-24 23:17 ` Vishal Verma
2016-03-24 23:17 ` Vishal Verma
2016-03-24 23:23 ` Verma, Vishal L
2016-03-24 23:23 ` Verma, Vishal L
2016-03-24 23:23 ` Verma, Vishal L
2016-03-24 23:17 ` [PATCH 4/5] dax: use sb_issue_zerout instead of calling dax_clear_sectors Vishal Verma
2016-03-24 23:17 ` Vishal Verma
2016-03-24 23:17 ` Vishal Verma
2016-03-25 10:44 ` Christoph Hellwig [this message]
2016-03-25 10:44 ` Christoph Hellwig
2016-03-25 21:01 ` Verma, Vishal L
2016-03-25 21:01 ` Verma, Vishal L
2016-03-25 18:47 ` Dan Williams
2016-03-25 18:47 ` Dan Williams
2016-03-25 18:47 ` Dan Williams
2016-03-25 21:03 ` Verma, Vishal L
2016-03-25 21:03 ` Verma, Vishal L
2016-03-25 21:03 ` Verma, Vishal L
2016-03-25 21:20 ` Dan Williams
2016-03-25 21:20 ` Dan Williams
2016-03-25 21:20 ` Dan Williams
2016-03-28 20:01 ` Verma, Vishal L
2016-03-28 20:01 ` Verma, Vishal L
2016-03-28 20:01 ` Verma, Vishal L
2016-03-28 23:34 ` Dan Williams
2016-03-28 23:34 ` Dan Williams
2016-03-28 23:34 ` Dan Williams
2016-03-28 23:34 ` Dan Williams
2016-03-29 18:57 ` Verma, Vishal L
2016-03-29 18:57 ` Verma, Vishal L
2016-03-29 18:57 ` Verma, Vishal L
2016-03-29 18:57 ` Verma, Vishal L
2016-03-29 19:37 ` Dan Williams
2016-03-29 19:37 ` Dan Williams
2016-03-29 19:37 ` Dan Williams
2016-03-29 19:37 ` Dan Williams
2016-03-30 7:49 ` Jan Kara
2016-03-30 7:49 ` Jan Kara
2016-03-30 7:49 ` Jan Kara
2016-03-30 7:49 ` Jan Kara
2016-03-30 7:49 ` Jan Kara
2016-04-01 19:17 ` Verma, Vishal L
2016-04-01 19:17 ` Verma, Vishal L
2016-04-01 19:17 ` Verma, Vishal L
2016-04-04 12:09 ` Jan Kara
2016-04-04 12:09 ` Jan Kara
2016-04-04 12:09 ` Jan Kara
2016-04-04 12:09 ` Jan Kara
2016-04-04 12:09 ` Jan Kara
2016-03-24 23:17 ` [PATCH 5/5] dax: handle media errors in dax_do_io Vishal Verma
2016-03-24 23:17 ` Vishal Verma
2016-03-24 23:17 ` Vishal Verma
2016-03-25 10:45 ` Christoph Hellwig
2016-03-25 10:45 ` Christoph Hellwig
2016-03-25 10:45 ` Christoph Hellwig
2016-03-25 20:59 ` Verma, Vishal L
2016-03-25 20:59 ` Verma, Vishal L
2016-03-25 21:42 ` Dan Williams
2016-03-25 21:42 ` Dan Williams
2016-03-25 22:36 ` Verma, Vishal L
2016-03-25 22:36 ` Verma, Vishal L
2016-03-25 22:36 ` Verma, Vishal L
2016-03-26 16:53 ` hch
2016-03-26 16:53 ` hch
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