diff options
Diffstat (limited to 'ufs/fs.h')
| -rw-r--r-- | ufs/fs.h | 20 |
1 files changed, 17 insertions, 3 deletions
@@ -84,6 +84,16 @@ */ /* + * The file system is made out of blocks of at most MAXBSIZE units, with + * smaller units (fragments) only in the last direct block. MAXBSIZE + * primarily determines the size of buffers in the buffer pool. It may be + * made larger without any effect on existing file systems; however making + * it smaller make make some file systems unmountable. + */ +#define MAXBSIZE MAXPHYS +#define MAXFRAG 8 + +/* * MINBSIZE is the smallest allowable block size. * In order to insure that it is possible to create files of size * 2^32 with only two levels of indirection, MINBSIZE is set to 4096. @@ -465,14 +475,18 @@ struct ocg { /* * Determining the size of a file block in the file system. */ -#define blksize(fs, ip, lbn) \ - (((lbn) >= NDADDR || (ip)->i_size >= ((lbn) + 1) << (fs)->fs_bshift) \ +/* Changed from BSD to use allocsize instead of i_size. */ +#define blksize(fs, np, lbn) \ + (((lbn) >= NDADDR || (np)->allocsize >= ((lbn) + 1) << (fs)->fs_bshift) \ ? (fs)->fs_bsize \ - : (fragroundup(fs, blkoff(fs, (ip)->i_size)))) + : (fragroundup(fs, blkoff(fs, (np)->allocsize)))) + +#if 0 /* Don't use this */ #define dblksize(fs, dip, lbn) \ (((lbn) >= NDADDR || (dip)->di_size >= ((lbn) + 1) << (fs)->fs_bshift) \ ? (fs)->fs_bsize \ : (fragroundup(fs, blkoff(fs, (dip)->di_size)))) +#endif /* * Number of disk sectors per block; assumes DEV_BSIZE byte sector size. |