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Diffstat (limited to 'fs/btrfs/inode.c')
-rw-r--r--fs/btrfs/inode.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 0fa7cf227f1..a8ae68c6fbb 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -306,6 +306,7 @@ int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
u64 physical;
u64 length = 0;
u64 map_length;
+ int total_devs;
struct bio_vec *bvec;
int i;
int ret;
@@ -315,7 +316,8 @@ int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
}
map_tree = &root->fs_info->mapping_tree;
map_length = length;
- ret = btrfs_map_block(map_tree, logical, &physical, &map_length, &dev);
+ ret = btrfs_map_block(map_tree, READ, 0, logical, &physical,
+ &map_length, &dev, &total_devs);
if (map_length < length + size) {
return 1;
}