[patch 5/5] Btrfs: pass __GFP_WRITE for buffered write page allocations
From: Johannes Weiner <hannes@cmpxchg.org>
Date: 2011-11-23 13:34:18
Also in:
linux-fsdevel, lkml
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
From: Johannes Weiner <redacted> Tell the page allocator that pages allocated for a buffered write are expected to become dirty soon. Signed-off-by: Johannes Weiner <redacted> Reviewed-by: Rik van Riel <redacted> Acked-by: Mel Gorman <mgorman@suse.de> --- 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 dafdfa0..d673f4a 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c@@ -1081,7 +1081,7 @@ 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, - mask); + mask | __GFP_WRITE); if (!pages[i]) { faili = i - 1; err = -ENOMEM;
--
1.7.6.4
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