diff options
Diffstat (limited to 'fs/btrfs/btrfs_inode.h')
| -rw-r--r-- | fs/btrfs/btrfs_inode.h | 63 |
1 files changed, 37 insertions, 26 deletions
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index 9b9b15fd5204..5b2ad6bc4fe7 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -24,6 +24,21 @@ #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 + /* in memory btrfs inode */ struct btrfs_inode { /* which subvolume this inode belongs to */ @@ -57,9 +72,6 @@ struct btrfs_inode { /* 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. @@ -75,17 +87,13 @@ struct btrfs_inode { /* 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; /* 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 */ @@ -145,22 +153,9 @@ struct btrfs_inode { 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; @@ -193,13 +188,29 @@ static inline void btrfs_i_size_write(struct inode *inode, u64 size) 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) +{ + struct btrfs_root *root = BTRFS_I(inode)->root; + int ret = 0; + + mutex_lock(&root->log_mutex); + if (BTRFS_I(inode)->logged_trans == generation && + BTRFS_I(inode)->last_sub_trans <= root->last_log_commit) + ret = 1; + mutex_unlock(&root->log_mutex); + return ret; +} + #endif |