Merge branch 'bug-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs...

[net-next-2.6.git] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 46f52e1beade2f4180ff70b93543bc2fb7da2915..88c0fb7e12d246e6810c025e70d884a1e285f119 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -397,12 +397,14 @@ struct btrfs_super_block {
  */
 #define BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF   (1ULL << 0)
 #define BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL  (1ULL << 1)
+#define BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS    (1ULL << 2)
 
 #define BTRFS_FEATURE_COMPAT_SUPP              0ULL
 #define BTRFS_FEATURE_COMPAT_RO_SUPP           0ULL
 #define BTRFS_FEATURE_INCOMPAT_SUPP                    \
        (BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF |         \
-        BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL)
+        BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL |        \
+        BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS)
 
 /*
  * A leaf is full of items. offset and size tell us where to find
@@ -696,7 +698,8 @@ struct btrfs_block_group_item {
 struct btrfs_space_info {
        u64 flags;
 
-       u64 total_bytes;        /* total bytes in the space */
+       u64 total_bytes;        /* total bytes in the space,
+                                  this doesn't take mirrors into account */
        u64 bytes_used;         /* total bytes used,
                                   this does't take mirrors into account */
        u64 bytes_pinned;       /* total bytes pinned, will be freed when the
@@ -708,6 +711,8 @@ struct btrfs_space_info {
        u64 bytes_may_use;      /* number of bytes that may be used for
                                   delalloc/allocations */
        u64 disk_used;          /* total bytes used on disk */
+       u64 disk_total;         /* total bytes on disk, takes mirrors into
+                                  account */
 
        int full;               /* indicates that we cannot allocate any more
                                   chunks for this space */
@@ -982,6 +987,7 @@ struct btrfs_fs_info {
        struct btrfs_workers endio_meta_workers;
        struct btrfs_workers endio_meta_write_workers;
        struct btrfs_workers endio_write_workers;
+       struct btrfs_workers endio_freespace_worker;
        struct btrfs_workers submit_workers;
        /*
         * fixup workers take dirty pages that didn't properly go through
@@ -1226,6 +1232,7 @@ struct btrfs_root {
 #define BTRFS_MOUNT_DISCARD            (1 << 10)
 #define BTRFS_MOUNT_FORCE_COMPRESS      (1 << 11)
 #define BTRFS_MOUNT_SPACE_CACHE                (1 << 12)
+#define BTRFS_MOUNT_CLEAR_CACHE                (1 << 13)
 
 #define btrfs_clear_opt(o, opt)                ((o) &= ~BTRFS_MOUNT_##opt)
 #define btrfs_set_opt(o, opt)          ((o) |= BTRFS_MOUNT_##opt)
@@ -2045,6 +2052,12 @@ static inline struct dentry *fdentry(struct file *file)
        return file->f_path.dentry;
 }
 
+static inline bool btrfs_mixed_space_info(struct btrfs_space_info *space_info)
+{
+       return ((space_info->flags & BTRFS_BLOCK_GROUP_METADATA) &&
+               (space_info->flags & BTRFS_BLOCK_GROUP_DATA));
+}
+
 /* extent-tree.c */
 void btrfs_put_block_group(struct btrfs_block_group_cache *cache);
 int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,
@@ -2136,7 +2149,7 @@ 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, int *retries);
+                               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,
@@ -2157,7 +2170,7 @@ void btrfs_add_durable_block_rsv(struct btrfs_fs_info *fs_info,
 int btrfs_block_rsv_add(struct btrfs_trans_handle *trans,
                        struct btrfs_root *root,
                        struct btrfs_block_rsv *block_rsv,
-                       u64 num_bytes, int *retries);
+                       u64 num_bytes);
 int btrfs_block_rsv_check(struct btrfs_trans_handle *trans,
                          struct btrfs_root *root,
                          struct btrfs_block_rsv *block_rsv,
@@ -2431,7 +2444,8 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans,
                               u32 min_type);
 
 int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput);
-int btrfs_start_one_delalloc_inode(struct btrfs_root *root, int delay_iput);
+int btrfs_start_one_delalloc_inode(struct btrfs_root *root, int delay_iput,
+                                  int sync);
 int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end,
                              struct extent_state **cached_state);
 int btrfs_writepages(struct address_space *mapping,