diff options
| -rw-r--r-- | sys/ufs/ffs/fs.h | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/sys/ufs/ffs/fs.h b/sys/ufs/ffs/fs.h index 64e93964810..d46d09641c3 100644 --- a/sys/ufs/ffs/fs.h +++ b/sys/ufs/ffs/fs.h @@ -1,4 +1,4 @@ -/* $OpenBSD: fs.h,v 1.24 2006/04/12 03:46:52 tedu Exp $ */ +/* $OpenBSD: fs.h,v 1.25 2007/01/07 15:37:23 sturm Exp $ */ /* $NetBSD: fs.h,v 1.6 1995/04/12 21:21:02 mycroft Exp $ */ /* @@ -173,31 +173,31 @@ struct csum { struct fs { int32_t fs_firstfield; /* historic file system linked list, */ int32_t fs_unused_1; /* used for incore super blocks */ - int32_t fs_sblkno; /* addr of super-block in filesys */ - int32_t fs_cblkno; /* offset of cyl-block in filesys */ - int32_t fs_iblkno; /* offset of inode-blocks in filesys */ - int32_t fs_dblkno; /* offset of first data after cg */ + int32_t fs_sblkno; /* addr of super-block / frags */ + int32_t fs_cblkno; /* offset of cyl-block / frags */ + int32_t fs_iblkno; /* offset of inode-blocks / frags */ + int32_t fs_dblkno; /* offset of first data / frags */ int32_t fs_cgoffset; /* cylinder group offset in cylinder */ int32_t fs_cgmask; /* used to calc mod fs_ntrak */ time_t fs_time; /* last time written */ - int32_t fs_size; /* number of blocks in fs */ - int32_t fs_dsize; /* number of data blocks in fs */ - int32_t fs_ncg; /* number of cylinder groups */ - int32_t fs_bsize; /* size of basic blocks in fs */ - int32_t fs_fsize; /* size of frag blocks in fs */ - int32_t fs_frag; /* number of frags in a block in fs */ + int32_t fs_size; /* # of blocks in fs / frags */ + int32_t fs_dsize; /* # of data blocks in fs */ + int32_t fs_ncg; /* # of cylinder groups */ + int32_t fs_bsize; /* size of basic blocks / bytes */ + int32_t fs_fsize; /* size of frag blocks / bytes */ + int32_t fs_frag; /* # of frags in a block in fs */ /* these are configuration parameters */ int32_t fs_minfree; /* minimum percentage of free blocks */ - int32_t fs_rotdelay; /* num of ms for optimal next block */ + int32_t fs_rotdelay; /* # of ms for optimal next block */ int32_t fs_rps; /* disk revolutions per second */ /* these fields can be computed from the others */ int32_t fs_bmask; /* ``blkoff'' calc of blk offsets */ int32_t fs_fmask; /* ``fragoff'' calc of frag offsets */ int32_t fs_bshift; /* ``lblkno'' calc of logical blkno */ - int32_t fs_fshift; /* ``numfrags'' calc number of frags */ + int32_t fs_fshift; /* ``numfrags'' calc # of frags */ /* these are configuration parameters */ - int32_t fs_maxcontig; /* max number of contiguous blks */ - int32_t fs_maxbpg; /* max number of blks per cyl group */ + int32_t fs_maxcontig; /* max # of contiguous blks */ + int32_t fs_maxbpg; /* max # of blks per cyl group */ /* these fields can be computed from the others */ int32_t fs_fragshift; /* block to frag shift */ int32_t fs_fsbtodb; /* fsbtodb and dbtofsb shift constant */ @@ -217,8 +217,8 @@ struct fs { int32_t fs_id[2]; /* unique filesystem id */ /* sizes determined by number of cylinder groups and their sizes */ int32_t fs_csaddr; /* blk addr of cyl grp summary area */ - int32_t fs_cssize; /* size of cyl grp summary area */ - int32_t fs_cgsize; /* cylinder group size */ + int32_t fs_cssize; /* cyl grp summary area size / bytes */ + int32_t fs_cgsize; /* cyl grp block size / bytes */ /* these fields are derived from the hardware */ int32_t fs_ntrak; /* tracks per cylinder */ int32_t fs_nsect; /* sectors per track */ @@ -450,7 +450,7 @@ struct ocg { /* * Give cylinder group number for a file system block. - * Give cylinder group block number for a file system block. + * Give frag block number in cylinder group for a file system block. */ #define dtog(fs, d) ((d) / (fs)->fs_fpg) #define dtogd(fs, d) ((d) % (fs)->fs_fpg) |