diff options
Diffstat (limited to 'fs/xfs/xfs_mount.h')
| -rw-r--r-- | fs/xfs/xfs_mount.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 448986d260dd..7591c1b70e84 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -57,6 +57,48 @@ struct xfs_error_cfg { long retry_timeout; /* in jiffies, -1 = infinite */ }; +/* Computed inode geometry for the filesystem. */ +struct xfs_ino_geometry { + /* Maximum inode count in this filesystem. */ + uint64_t maxicount; + + /* Actual inode cluster buffer size, in bytes. */ + unsigned int inode_cluster_size; + + /* + * Desired inode cluster buffer size, in bytes. This value is not + * rounded up to at least one filesystem block, which is necessary for + * the sole purpose of validating sb_spino_align. Runtime code must + * only ever use inode_cluster_size. + */ + unsigned int inode_cluster_size_raw; + + /* Inode cluster sizes, adjusted to be at least 1 fsb. */ + unsigned int inodes_per_cluster; + unsigned int blocks_per_cluster; + + /* Inode cluster alignment. */ + unsigned int cluster_align; + unsigned int cluster_align_inodes; + unsigned int inoalign_mask; /* mask sb_inoalignmt if used */ + + unsigned int inobt_mxr[2]; /* max inobt btree records */ + unsigned int inobt_mnr[2]; /* min inobt btree records */ + unsigned int inobt_maxlevels; /* max inobt btree levels. */ + + /* Size of inode allocations under normal operation. */ + unsigned int ialloc_inos; + unsigned int ialloc_blks; + + /* Minimum inode blocks for a sparse allocation. */ + unsigned int ialloc_min_blks; + + /* stripe unit inode alignment */ + unsigned int ialloc_align; + + unsigned int agino_log; /* #bits for agino in inum */ +}; + typedef struct xfs_mount { struct super_block *m_super; xfs_tid_t m_tid; /* next unused tid for fs */ |