#include "ordered-data.h"
#include "delayed-inode.h"
+/*
+ * ordered_data_close is set by truncate when a file that used
+ * to have good data has been truncated to zero. When it is set
+ * the btrfs file release call will add this inode to the
+ * ordered operations list so that we make sure to flush out any
+ * new data the application may have written before commit.
+ */
+#define BTRFS_INODE_ORDERED_DATA_CLOSE 0
+#define BTRFS_INODE_ORPHAN_META_RESERVED 1
+#define BTRFS_INODE_DUMMY 2
+#define BTRFS_INODE_IN_DEFRAG 3
+#define BTRFS_INODE_DELALLOC_META_RESERVED 4
+#define BTRFS_INODE_HAS_ORPHAN_ITEM 5
+#define BTRFS_INODE_HAS_ASYNC_EXTENT 6
+#define BTRFS_INODE_NEEDS_FULL_SYNC 7
+#define BTRFS_INODE_COPY_EVERYTHING 8
+
/* in memory btrfs inode */
struct btrfs_inode {
/* which subvolume this inode belongs to */
/* used to order data wrt metadata */
struct btrfs_ordered_inode_tree ordered_tree;
- /* for keeping track of orphaned inodes */
- struct list_head i_orphan;
-
/* list of all the delalloc inodes in the FS. There are times we need
* to write all the delalloc pages to disk, and this list is used
* to walk them all.
/* node for the red-black tree that links inodes in subvolume root */
struct rb_node rb_node;
- /* the space_info for where this inode's data allocations are done */
- struct btrfs_space_info *space_info;
+ unsigned long runtime_flags;
+
+ /* Keep track of who's O_SYNC/fsycing currently */
+ atomic_t sync_writers;
/* full 64 bit generation number, struct vfs_inode doesn't have a big
* enough field for this.
*/
u64 generation;
- /* sequence number for NFS changes */
- u64 sequence;
-
/*
* transid of the trans_handle that last modified this inode
*/
/* flags field from the on disk inode */
u32 flags;
+ /* a local copy of root's last_log_commit */
+ unsigned long last_log_commit;
+
/*
* Counters to keep track of the number of extent item's we may use due
* to delalloc and such. outstanding_extents is the number of extent
unsigned outstanding_extents;
unsigned reserved_extents;
- /*
- * ordered_data_close is set by truncate when a file that used
- * to have good data has been truncated to zero. When it is set
- * the btrfs file release call will add this inode to the
- * ordered operations list so that we make sure to flush out any
- * new data the application may have written before commit.
- */
- unsigned ordered_data_close:1;
- unsigned orphan_meta_reserved:1;
- unsigned dummy_inode:1;
- unsigned in_defrag:1;
- unsigned delalloc_meta_reserved:1;
-
/*
* always compress this one file
*/
- unsigned force_compress:4;
+ unsigned force_compress;
struct btrfs_delayed_node *delayed_node;
BTRFS_I(inode)->disk_i_size = size;
}
-static inline bool btrfs_is_free_space_inode(struct btrfs_root *root,
- struct inode *inode)
+static inline bool btrfs_is_free_space_inode(struct inode *inode)
{
- if (root == root->fs_info->tree_root ||
- BTRFS_I(inode)->location.objectid == BTRFS_FREE_INO_OBJECTID)
+ struct btrfs_root *root = BTRFS_I(inode)->root;
+
+ if (root == root->fs_info->tree_root &&
+ btrfs_ino(inode) != BTRFS_BTREE_INODE_OBJECTID)
+ return true;
+ if (BTRFS_I(inode)->location.objectid == BTRFS_FREE_INO_OBJECTID)
return true;
return false;
}
+static inline int btrfs_inode_in_log(struct inode *inode, u64 generation)
+{
+ if (BTRFS_I(inode)->logged_trans == generation &&
+ BTRFS_I(inode)->last_sub_trans <= BTRFS_I(inode)->last_log_commit)
+ return 1;
+ return 0;
+}
+
#endif