btrfs-progs: make pretty Documentation/ build match the rest

[platform/upstream/btrfs-progs.git] / ctree.h

diff --git a/ctree.h b/ctree.h
index 3cc3477..9489338 100644 (file)
--- a/ctree.h
+++ b/ctree.h
@@ -943,6 +943,7 @@ struct btrfs_fs_info {
        struct btrfs_root *chunk_root;
        struct btrfs_root *dev_root;
        struct btrfs_root *csum_root;
+       struct btrfs_root *quota_root;
 
        struct rb_root fs_root_tree;
 
@@ -984,9 +985,12 @@ struct btrfs_fs_info {
        struct btrfs_fs_devices *fs_devices;
        struct list_head space_info;
        int system_allocs;
-       int readonly;
-       int on_restoring;
-       int is_chunk_recover;
+
+       unsigned int readonly:1;
+       unsigned int on_restoring:1;
+       unsigned int is_chunk_recover:1;
+       unsigned int quota_enabled:1;
+
        int (*free_extent_hook)(struct btrfs_trans_handle *trans,
                                struct btrfs_root *root,
                                u64 bytenr, u64 num_bytes, u64 parent,
@@ -1182,9 +1186,9 @@ struct btrfs_root {
                           sizeof(((type *)0)->member)))
 
 #define BTRFS_SETGET_HEADER_FUNCS(name, type, member, bits)            \
-static inline u##bits btrfs_##name(struct extent_buffer *eb)           \
+static inline u##bits btrfs_##name(const struct extent_buffer *eb)     \
 {                                                                      \
-       struct btrfs_header *h = (struct btrfs_header *)eb->data;       \
+       const struct btrfs_header *h = (struct btrfs_header *)eb->data; \
        return le##bits##_to_cpu(h->member);                            \
 }                                                                      \
 static inline void btrfs_set_##name(struct extent_buffer *eb,          \
@@ -1195,11 +1199,11 @@ static inline void btrfs_set_##name(struct extent_buffer *eb,           \
 }
 
 #define BTRFS_SETGET_FUNCS(name, type, member, bits)                   \
-static inline u##bits btrfs_##name(struct extent_buffer *eb,           \
-                                  type *s)                             \
+static inline u##bits btrfs_##name(const struct extent_buffer *eb,     \
+                                  const type *s)                       \
 {                                                                      \
        unsigned long offset = (unsigned long)s;                        \
-       type *p = (type *) (eb->data + offset);                         \
+       const type *p = (type *) (eb->data + offset);                   \
        return get_unaligned_le##bits(&p->member);                      \
 }                                                                      \
 static inline void btrfs_set_##name(struct extent_buffer *eb,          \
@@ -1211,7 +1215,7 @@ static inline void btrfs_set_##name(struct extent_buffer *eb,             \
 }
 
 #define BTRFS_SETGET_STACK_FUNCS(name, type, member, bits)             \
-static inline u##bits btrfs_##name(type *s)                            \
+static inline u##bits btrfs_##name(const type *s)                      \
 {                                                                      \
        return le##bits##_to_cpu(s->member);                            \
 }                                                                      \
@@ -2092,15 +2096,6 @@ BTRFS_SETGET_STACK_FUNCS(stack_qgroup_limit_rsv_referenced,
 BTRFS_SETGET_STACK_FUNCS(stack_qgroup_limit_rsv_exclusive,
                         struct btrfs_qgroup_limit_item, rsv_exclusive, 64);
 
-/* this returns the number of file bytes represented by the inline item.
- * If an item is compressed, this is the uncompressed size
- */
-static inline u32 btrfs_file_extent_inline_len(struct extent_buffer *eb,
-                                       struct btrfs_file_extent_item *e)
-{
-       return btrfs_file_extent_ram_bytes(eb, e);
-}
-
 /*
  * this returns the number of bytes used by the item on disk, minus the
  * size of any extent headers.  If a file is compressed on disk, this is
@@ -2114,6 +2109,28 @@ static inline u32 btrfs_file_extent_inline_item_len(struct extent_buffer *eb,
        return btrfs_item_size(eb, e) - offset;
 }
 
+/* this returns the number of file bytes represented by the inline item.
+ * If an item is compressed, this is the uncompressed size
+ */
+static inline u32 btrfs_file_extent_inline_len(struct extent_buffer *eb,
+                                              int slot,
+                                              struct btrfs_file_extent_item *fi)
+{
+       /*
+        * return the space used on disk if this item isn't
+        * compressed or encoded
+        */
+       if (btrfs_file_extent_compression(eb, fi) == 0 &&
+           btrfs_file_extent_encryption(eb, fi) == 0 &&
+           btrfs_file_extent_other_encoding(eb, fi) == 0) {
+               return btrfs_file_extent_inline_item_len(eb,
+                                                        btrfs_item_nr(slot));
+       }
+
+       /* otherwise use the ram bytes field */
+       return btrfs_file_extent_ram_bytes(eb, fi);
+}
+
 static inline u32 btrfs_level_size(struct btrfs_root *root, int level) {
        if (level == 0)
                return root->leafsize;
@@ -2367,4 +2384,12 @@ int btrfs_csum_truncate(struct btrfs_trans_handle *trans,
 int btrfs_lookup_uuid_subvol_item(int fd, const u8 *uuid, u64 *subvol_id);
 int btrfs_lookup_uuid_received_subvol_item(int fd, const u8 *uuid,
                                           u64 *subvol_id);
+
+static inline int is_fstree(u64 rootid)
+{
+       if (rootid == BTRFS_FS_TREE_OBJECTID ||
+           (signed long long)rootid >= (signed long long)BTRFS_FIRST_FREE_OBJECTID)
+               return 1;
+       return 0;
+}
 #endif