Merge branch 'integration' into for-linus

[pandora-kernel.git] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 3006287..3be57c6 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -19,7 +19,6 @@
 #ifndef __BTRFS_CTREE__
 #define __BTRFS_CTREE__
 
-#include <linux/version.h>
 #include <linux/mm.h>
 #include <linux/highmem.h>
 #include <linux/fs.h>
@@ -756,6 +755,8 @@ struct btrfs_space_info {
                                   chunks for this space */
        unsigned int chunk_alloc:1;     /* set if we are allocating a chunk */
 
+       unsigned int flush:1;           /* set if we are trying to make space */
+
        unsigned int force_alloc;       /* set if we need to force a chunk
                                           alloc for this space */
 
@@ -765,7 +766,7 @@ struct btrfs_space_info {
        struct list_head block_groups[BTRFS_NR_RAID_TYPES];
        spinlock_t lock;
        struct rw_semaphore groups_sem;
-       atomic_t caching_threads;
+       wait_queue_head_t wait;
 };
 
 struct btrfs_block_rsv {
@@ -825,6 +826,7 @@ struct btrfs_caching_control {
        struct list_head list;
        struct mutex mutex;
        wait_queue_head_t wait;
+       struct btrfs_work work;
        struct btrfs_block_group_cache *block_group;
        u64 progress;
        atomic_t count;
@@ -1033,6 +1035,8 @@ struct btrfs_fs_info {
        struct btrfs_workers endio_write_workers;
        struct btrfs_workers endio_freespace_worker;
        struct btrfs_workers submit_workers;
+       struct btrfs_workers caching_workers;
+
        /*
         * fixup workers take dirty pages that didn't properly go through
         * the cow mechanism and make them safe to write.  It happens
@@ -1336,6 +1340,11 @@ struct btrfs_ioctl_defrag_range_args {
  */
 #define BTRFS_STRING_ITEM_KEY  253
 
+/*
+ * Flags for mount options.
+ *
+ * Note: don't forget to add new options to btrfs_show_options()
+ */
 #define BTRFS_MOUNT_NODATASUM          (1 << 0)
 #define BTRFS_MOUNT_NODATACOW          (1 << 1)
 #define BTRFS_MOUNT_NOBARRIER          (1 << 2)
@@ -2124,7 +2133,7 @@ static inline bool btrfs_mixed_space_info(struct btrfs_space_info *space_info)
 
 /* extent-tree.c */
 static inline u64 btrfs_calc_trans_metadata_size(struct btrfs_root *root,
-                                                int num_items)
+                                                unsigned num_items)
 {
        return (root->leafsize + root->nodesize * (BTRFS_MAX_LEVEL - 1)) *
                3 * num_items;
@@ -2218,9 +2227,6 @@ void btrfs_set_inode_space_info(struct btrfs_root *root, struct inode *ionde);
 void btrfs_clear_space_info_full(struct btrfs_fs_info *info);
 int btrfs_check_data_free_space(struct inode *inode, u64 bytes);
 void btrfs_free_reserved_data_space(struct inode *inode, u64 bytes);
-int btrfs_trans_reserve_metadata(struct btrfs_trans_handle *trans,
-                               struct btrfs_root *root,
-                               int num_items);
 void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans,
                                struct btrfs_root *root);
 int btrfs_orphan_reserve_metadata(struct btrfs_trans_handle *trans,
@@ -2326,7 +2332,7 @@ struct btrfs_path *btrfs_alloc_path(void);
 void btrfs_free_path(struct btrfs_path *p);
 void btrfs_set_path_blocking(struct btrfs_path *p);
 void btrfs_clear_path_blocking(struct btrfs_path *p,
-                              struct extent_buffer *held);
+                              struct extent_buffer *held, int held_rw);
 void btrfs_unlock_up_safe(struct btrfs_path *p, int level);
 
 int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root,