From: Johannes Weiner <jweiner@redhat.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>,
Christoph Hellwig <hch@infradead.org>,
Dave Chinner <david@fromorbit.com>,
Wu Fengguang <fengguang.wu@intel.com>, Jan Kara <jack@suse.cz>,
Rik van Riel <riel@redhat.com>,
Minchan Kim <minchan.kim@gmail.com>,
Chris Mason <chris.mason@oracle.com>,
"Theodore Ts'o" <tytso@mit.edu>,
Andreas Dilger <adilger.kernel@dilger.ca>,
Shaohua Li <shaohua.li@intel.com>,
xfs@oss.sgi.com, linux-btrfs@vger.kernel.org,
linux-ext4@vger.kernel.org, linux-mm@kvack.org,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [patch 5/5] Btrfs: pass __GFP_WRITE for buffered write page allocations
Date: Fri, 30 Sep 2011 09:17:24 +0200 [thread overview]
Message-ID: <1317367044-475-6-git-send-email-jweiner@redhat.com> (raw)
In-Reply-To: <1317367044-475-1-git-send-email-jweiner@redhat.com>
Tell the page allocator that pages allocated for a buffered write are
expected to become dirty soon.
Signed-off-by: Johannes Weiner <jweiner@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
---
fs/btrfs/file.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index e7872e4..ea1b892 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1084,7 +1084,7 @@ static noinline int prepare_pages(struct btrfs_root *root, struct file *file,
again:
for (i = 0; i < num_pages; i++) {
pages[i] = find_or_create_page(inode->i_mapping, index + i,
- GFP_NOFS);
+ GFP_NOFS | __GFP_WRITE);
if (!pages[i]) {
faili = i - 1;
err = -ENOMEM;
--
1.7.6.2
--
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next prev parent reply other threads:[~2011-09-30 7:17 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-30 7:17 [patch 0/5] per-zone dirty limits v3 Johannes Weiner
2011-09-30 7:17 ` [patch 1/5] mm: exclude reserved pages from dirtyable memory Johannes Weiner
2011-09-30 13:53 ` Michal Hocko
2011-10-01 7:10 ` Minchan Kim
2011-10-03 11:22 ` Mel Gorman
2011-09-30 7:17 ` [patch 2/5] mm: writeback: cleanups in preparation for per-zone dirty limits Johannes Weiner
2011-09-30 13:56 ` Michal Hocko
2011-09-30 7:17 ` [patch 3/5] mm: try to distribute dirty pages fairly across zones Johannes Weiner
2011-09-30 7:35 ` Pekka Enberg
2011-09-30 8:55 ` Johannes Weiner
2011-09-30 14:28 ` Michal Hocko
2011-10-28 20:18 ` Wu Fengguang
2011-10-31 11:33 ` Wu Fengguang
2011-11-01 10:55 ` Johannes Weiner
[not found] ` <20111027155618.GA25524@localhost>
[not found] ` <20111027161359.GA1319@redhat.com>
[not found] ` <20111027204743.GA19343@localhost>
[not found] ` <20111027221258.GA22869@localhost>
[not found] ` <20111027231933.GB1319@redhat.com>
2011-10-28 20:39 ` Wu Fengguang
2011-11-01 10:52 ` Johannes Weiner
2011-09-30 7:17 ` [patch 4/5] mm: filemap: pass __GFP_WRITE from grab_cache_page_write_begin() Johannes Weiner
2011-09-30 14:41 ` Michal Hocko
2011-09-30 7:17 ` Johannes Weiner [this message]
2011-10-03 11:25 ` [patch 5/5] Btrfs: pass __GFP_WRITE for buffered write page allocations Mel Gorman
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