diff options
| author | Yan <yanzheng@21cn.com> | 2008-01-08 15:54:37 -0500 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:03:59 -0400 |
| commit | b98b6767a0f6f9baa1d00eff64a43d58412ecdeb (patch) | |
| tree | b1c5346f462be12b268ff05049651bb3b880c7c9 /fs/btrfs/ctree.h | |
| parent | c31f8830f0dfd31e7e196b85ca1b39aef8b77d57 (diff) | |
Btrfs: Add inode flags support
This patch adds NODATASUM & NODATACOW inode flags support.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index f0fb1978553..7eda51542d1 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -447,7 +447,18 @@ struct btrfs_root { #define btrfs_set_opt(o, opt) ((o) |= BTRFS_MOUNT_##opt) #define btrfs_test_opt(root, opt) ((root)->fs_info->mount_opt & \ BTRFS_MOUNT_##opt) - +/* + * Inode flags + */ +#define BTRFS_INODE_NODATASUM 0x1 +#define BTRFS_INODE_NODATACOW 0x2 + +#define btrfs_clear_flag(inode, flag) (BTRFS_I(inode)->flags &= \ + ~BTRFS_INODE_##flag) +#define btrfs_set_flag(inode, flag) (BTRFS_I(inode)->flags |= \ + BTRFS_INODE_##flag) +#define btrfs_test_flag(inode, flag) (BTRFS_I(inode)->flags & \ + BTRFS_INODE_##flag) /* some macros to generate set/get funcs for the struct fields. This * assumes there is a lefoo_to_cpu for every type, so lets make a simple * one for u8: |