From: Christoph Hellwig <hch@infradead.org>
To: tj@kernel.org
Cc: chris.mason@oracle.com, swhiteho@redhat.com,
konishi.ryusuke@lab.ntt.co.jp, tytso@mit.edu, jack@suse.cz,
hirofumi@mail.parknet.co.jp, mfasheh@suse.com,
joel.becker@oracle.com, hughd@google.com,
linux-fsdevel@vger.kernel.org
Subject: [PATCH 11/15] fat: do not send discards as barriers
Date: Wed, 18 Aug 2010 05:29:19 -0400 [thread overview]
Message-ID: <20100818093501.788554331@bombadil.infradead.org> (raw)
In-Reply-To: 20100818093432.646633424@bombadil.infradead.org
[-- Attachment #1: fat-discard-nobarrier --]
[-- Type: text/plain, Size: 609 bytes --]
fat already uses synchronous discards, no need to add I/O barriers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Index: linux-2.6/fs/fat/fatent.c
===================================================================
--- linux-2.6.orig/fs/fat/fatent.c 2010-08-17 16:49:12.976253898 +0200
+++ linux-2.6/fs/fat/fatent.c 2010-08-17 16:49:17.378285050 +0200
@@ -579,7 +579,7 @@ int fat_free_clusters(struct inode *inod
fat_clus_to_blknr(sbi, first_cl),
nr_clus * sbi->sec_per_clus,
GFP_NOFS,
- BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
+ BLKDEV_IFL_WAIT);
first_cl = cluster;
}
next prev parent reply other threads:[~2010-08-18 9:35 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-18 9:29 [PATCH 00/15] replace barriers with explicit flush / FUA usage Christoph Hellwig
2010-08-18 9:29 ` [PATCH 01/15] kill BH_Ordered flag Christoph Hellwig
2010-08-18 9:29 ` [PATCH 02/15] pass gfp_mask and flags to sb_issue_discard Christoph Hellwig
2010-08-20 1:23 ` Mike Snitzer
2010-08-18 9:29 ` [PATCH 03/15] xfs: replace barriers with explicit flush / FUA usage Christoph Hellwig
2010-08-18 23:47 ` Dave Chinner
2010-08-18 9:29 ` [PATCH 04/15] btrfs: " Christoph Hellwig
2010-08-18 12:06 ` Chris Mason
2010-08-18 9:29 ` [PATCH 05/15] gfs2: " Christoph Hellwig
2010-08-18 10:08 ` Steven Whitehouse
2010-08-18 13:37 ` Bob Peterson
2010-08-18 9:29 ` [PATCH 06/15] reiserfs: " Christoph Hellwig
2010-08-18 13:16 ` Jan Kara
2010-08-18 13:21 ` Chris Mason
2010-08-18 9:29 ` [PATCH 07/15] nilfs2: " Christoph Hellwig
2010-08-18 13:31 ` Ryusuke Konishi
2010-08-18 13:41 ` Christoph Hellwig
2010-08-18 9:29 ` [PATCH 08/15] jbd: " Christoph Hellwig
2010-08-18 13:07 ` Jan Kara
2010-08-18 9:29 ` [PATCH 09/15] jbd2: " Christoph Hellwig
2010-08-18 14:03 ` Jan Kara
2010-08-18 14:09 ` Christoph Hellwig
2010-08-18 9:29 ` [PATCH 10/15] ext4: do not send discards as barriers Christoph Hellwig
2010-08-18 13:28 ` Jan Kara
2010-08-18 9:29 ` Christoph Hellwig [this message]
2010-08-18 9:29 ` [PATCH 12/15] swap: " Christoph Hellwig
2010-08-19 3:47 ` Hugh Dickins
2010-08-19 4:08 ` Nigel Cunningham
2010-08-19 9:02 ` Christoph Hellwig
2010-08-19 11:35 ` Chris Mason
2010-08-22 12:20 ` Nigel Cunningham
2010-08-18 9:29 ` [PATCH 13/15] remove the WRITE_BARRIER flag Christoph Hellwig
2010-08-18 9:29 ` [PATCH 14/15] remove the BLKDEV_IFL_BARRIER flag Christoph Hellwig
2010-08-20 1:26 ` Mike Snitzer
2010-08-18 9:29 ` [PATCH 15/15] remove the BH_Eopnotsupp flag Christoph Hellwig
2010-08-18 10:35 ` [PATCH 00/15] replace barriers with explicit flush / FUA usage Joel Becker
2010-08-18 10:53 ` Christoph Hellwig
2010-08-20 6:50 ` Tao Ma
2010-08-18 15:11 ` Ted Ts'o
2010-08-18 16:46 ` Christoph Hellwig
2010-08-20 4:00 ` Tao Ma
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=20100818093501.788554331@bombadil.infradead.org \
--to=hch@infradead.org \
--cc=chris.mason@oracle.com \
--cc=hirofumi@mail.parknet.co.jp \
--cc=hughd@google.com \
--cc=jack@suse.cz \
--cc=joel.becker@oracle.com \
--cc=konishi.ryusuke@lab.ntt.co.jp \
--cc=linux-fsdevel@vger.kernel.org \
--cc=mfasheh@suse.com \
--cc=swhiteho@redhat.com \
--cc=tj@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).