diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2010-01-28 14:38:25 -0700 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-01-28 14:38:25 -0700 |
| commit | 0ada0a73120c28cc432bcdbac061781465c2f48f (patch) | |
| tree | d17cadd4ea47e25d9e48e7d409a39c84268fbd27 /include/linux/nilfs2_fs.h | |
| parent | 6016a363f6b56b46b24655bcfc0499b715851cf3 (diff) | |
| parent | 92dcffb916d309aa01778bf8963a6932e4014d07 (diff) | |
Merge commit 'v2.6.33-rc5' into secretlab/test-devicetree
Diffstat (limited to 'include/linux/nilfs2_fs.h')
| -rw-r--r-- | include/linux/nilfs2_fs.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h index ce520402e84..3fe02cf8b65 100644 --- a/include/linux/nilfs2_fs.h +++ b/include/linux/nilfs2_fs.h @@ -151,6 +151,8 @@ struct nilfs_super_root { #define NILFS_MOUNT_BARRIER 0x1000 /* Use block barriers */ #define NILFS_MOUNT_STRICT_ORDER 0x2000 /* Apply strict in-order semantics also for data */ +#define NILFS_MOUNT_NORECOVERY 0x4000 /* Disable write access during + mount-time recovery */ /** @@ -403,6 +405,28 @@ struct nilfs_segment_summary { #define NILFS_SS_GC 0x0010 /* segment written for cleaner operation */ /** + * struct nilfs_btree_node - B-tree node + * @bn_flags: flags + * @bn_level: level + * @bn_nchildren: number of children + * @bn_pad: padding + */ +struct nilfs_btree_node { + __u8 bn_flags; + __u8 bn_level; + __le16 bn_nchildren; + __le32 bn_pad; +}; + +/* flags */ +#define NILFS_BTREE_NODE_ROOT 0x01 + +/* level */ +#define NILFS_BTREE_LEVEL_DATA 0 +#define NILFS_BTREE_LEVEL_NODE_MIN (NILFS_BTREE_LEVEL_DATA + 1) +#define NILFS_BTREE_LEVEL_MAX 14 + +/** * struct nilfs_palloc_group_desc - block group descriptor * @pg_nfrees: number of free entries in block group */ |