diff options
Diffstat (limited to 'fs/xfs/xfs_da_btree.h')
| -rw-r--r-- | fs/xfs/xfs_da_btree.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/xfs_da_btree.h index c824a0aa039f..0ac63adca705 100644 --- a/fs/xfs/xfs_da_btree.h +++ b/fs/xfs/xfs_da_btree.h @@ -25,6 +25,23 @@ struct xfs_trans; struct zone; struct xfs_dir_ops; +/* + * Directory/attribute geometry information. There will be one of these for each + * data fork type, and it will be passed around via the xfs_da_args. Global + * structures will be attached to the xfs_mount. + */ +struct xfs_da_geometry { + int blksize; /* da block size in bytes */ + int fsbcount; /* da block size in filesystem blocks */ + uint8_t fsblog; /* log2 of _filesystem_ block size */ + uint8_t blklog; /* log2 of da block size */ + uint node_ents; /* # of entries in a danode */ + int magicpct; /* 37% of block size in bytes */ + xfs_dablk_t datablk; /* blockno of dir data v2 */ + xfs_dablk_t leafblk; /* blockno of leaf data v2 */ + xfs_dablk_t freeblk; /* blockno of free data v2 */ +}; + /*======================================================================== * Btree searching and modification structure definitions. *========================================================================*/ @@ -42,6 +59,7 @@ enum xfs_dacmp { * Structure to ease passing around component names. */ typedef struct xfs_da_args { + struct xfs_da_geometry *geo; /* da block geometry */ const __uint8_t *name; /* string (maybe not NULL terminated) */ int namelen; /* length of string (maybe no NULL) */ __uint8_t filetype; /* filetype of inode for directories */ |