Thread (18 messages) 18 messages, 6 authors, 2011-11-01

[patch 5/5] Btrfs: pass __GFP_WRITE for buffered write page allocations

STALE5451d REVIEWED: 1 (0M)

From: Johannes Weiner <hidden>
Date: 2011-09-30 07:17:24
Also in: linux-btrfs, linux-fsdevel, linux-mm, linux-xfs, lkml
Subsystem: btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers: David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds

1 review trailer.

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>
---
 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

--
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/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help