diff options
author | Tejun Heo <tj@kernel.org> | 2010-01-05 03:17:33 +0300 |
---|---|---|
committer | Tejun Heo <tj@kernel.org> | 2010-01-05 03:17:33 +0300 |
commit | 32032df6c2f6c9c6b2ada2ce42322231824f70c2 (patch) | |
tree | b1ce838a37044bb38dfc128e2116ca35630e629a /include/linux/nilfs2_fs.h | |
parent | 22b737f4c75197372d64afc6ed1bccd58c00e549 (diff) | |
parent | c5974b835a909ff15c3b7e6cf6789b5eb919f419 (diff) | |
download | linux-32032df6c2f6c9c6b2ada2ce42322231824f70c2.tar.xz |
Merge branch 'master' into percpu
Conflicts:
arch/powerpc/platforms/pseries/hvCall.S
include/linux/percpu.h
Diffstat (limited to 'include/linux/nilfs2_fs.h')
-rw-r--r-- | include/linux/nilfs2_fs.h | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h index 79fec6af3f9f..3fe02cf8b65a 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 */ @@ -425,15 +449,6 @@ struct nilfs_dat_entry { }; /** - * struct nilfs_dat_group_desc - block group descriptor - * @dg_nfrees: number of free virtual block numbers in block group - */ -struct nilfs_dat_group_desc { - __le32 dg_nfrees; -}; - - -/** * struct nilfs_snapshot_list - snapshot list * @ssl_next: next checkpoint number on snapshot list * @ssl_prev: previous checkpoint number on snapshot list |