Btrfs: use WRITE_SYNC for synchronous writes

[sfrench/cifs-2.6.git] / fs / btrfs / volumes.h

diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 2185de72ff7dad59154f5a568624be89ab7e8b97..5836327ba5dd261ed078965e88fa9d4e4512e96d 100644 (file)
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -23,13 +23,22 @@
 #include "async-thread.h"
 
 struct buffer_head;
+struct btrfs_pending_bios {
+       struct bio *head;
+       struct bio *tail;
+};
+
 struct btrfs_device {
        struct list_head dev_list;
        struct list_head dev_alloc_list;
        struct btrfs_fs_devices *fs_devices;
        struct btrfs_root *dev_root;
-       struct bio *pending_bios;
-       struct bio *pending_bio_tail;
+
+       /* regular prio bios */
+       struct btrfs_pending_bios pending_bios;
+       /* WRITE_SYNC bios */
+       struct btrfs_pending_bios pending_sync_bios;
+
        int running_pending;
        u64 generation;