diff options
Diffstat (limited to 'fs/xfs/xfs_ag.h')
| -rw-r--r-- | fs/xfs/xfs_ag.h | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h index 0fdd4109c62..6e247a99f5d 100644 --- a/fs/xfs/xfs_ag.h +++ b/fs/xfs/xfs_ag.h @@ -160,30 +160,38 @@ typedef struct xfs_agi { * still being referenced. */ __be32 agi_unlinked[XFS_AGI_UNLINKED_BUCKETS]; - + /* + * This marks the end of logging region 1 and start of logging region 2. + */ uuid_t agi_uuid; /* uuid of filesystem */ __be32 agi_crc; /* crc of agi sector */ __be32 agi_pad32; __be64 agi_lsn; /* last write sequence */ + __be32 agi_free_root; /* root of the free inode btree */ + __be32 agi_free_level;/* levels in free inode btree */ + /* structure must be padded to 64 bit alignment */ } xfs_agi_t; #define XFS_AGI_CRC_OFF offsetof(struct xfs_agi, agi_crc) -#define XFS_AGI_MAGICNUM 0x00000001 -#define XFS_AGI_VERSIONNUM 0x00000002 -#define XFS_AGI_SEQNO 0x00000004 -#define XFS_AGI_LENGTH 0x00000008 -#define XFS_AGI_COUNT 0x00000010 -#define XFS_AGI_ROOT 0x00000020 -#define XFS_AGI_LEVEL 0x00000040 -#define XFS_AGI_FREECOUNT 0x00000080 -#define XFS_AGI_NEWINO 0x00000100 -#define XFS_AGI_DIRINO 0x00000200 -#define XFS_AGI_UNLINKED 0x00000400 -#define XFS_AGI_NUM_BITS 11 -#define XFS_AGI_ALL_BITS ((1 << XFS_AGI_NUM_BITS) - 1) +#define XFS_AGI_MAGICNUM (1 << 0) +#define XFS_AGI_VERSIONNUM (1 << 1) +#define XFS_AGI_SEQNO (1 << 2) +#define XFS_AGI_LENGTH (1 << 3) +#define XFS_AGI_COUNT (1 << 4) +#define XFS_AGI_ROOT (1 << 5) +#define XFS_AGI_LEVEL (1 << 6) +#define XFS_AGI_FREECOUNT (1 << 7) +#define XFS_AGI_NEWINO (1 << 8) +#define XFS_AGI_DIRINO (1 << 9) +#define XFS_AGI_UNLINKED (1 << 10) +#define XFS_AGI_NUM_BITS_R1 11 /* end of the 1st agi logging region */ +#define XFS_AGI_ALL_BITS_R1 ((1 << XFS_AGI_NUM_BITS_R1) - 1) +#define XFS_AGI_FREE_ROOT (1 << 11) +#define XFS_AGI_FREE_LEVEL (1 << 12) +#define XFS_AGI_NUM_BITS_R2 13 /* disk block (xfs_daddr_t) in the AG */ #define XFS_AGI_DADDR(mp) ((xfs_daddr_t)(2 << (mp)->m_sectbb_log)) |