[V5,1/2] btrfs: use GFP_NOFS instead of GFP_KERNEL

Commit Message

Miao Xie March 24, 2011, 11:41 a.m. UTC

None

Patch

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index f1db57d..42061d2 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -471,7 +471,7 @@  static int cache_block_group(struct btrfs_block_group_cache *cache,
 	if (load_cache_only)
 		return 0;
 
-	caching_ctl = kzalloc(sizeof(*caching_ctl), GFP_KERNEL);
+	caching_ctl = kzalloc(sizeof(*caching_ctl), GFP_NOFS);
 	BUG_ON(!caching_ctl);
 
 	INIT_LIST_HEAD(&caching_ctl->list);
@@ -1743,7 +1743,7 @@  static int remove_extent_backref(struct btrfs_trans_handle *trans,
 static void btrfs_issue_discard(struct block_device *bdev,
 				u64 start, u64 len)
 {
-	blkdev_issue_discard(bdev, start >> 9, len >> 9, GFP_KERNEL,
+	blkdev_issue_discard(bdev, start >> 9, len >> 9, GFP_NOFS,
 			BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
 }