diff options
| author | Miles Bader <miles@gnu.org> | 1996-05-06 19:47:38 +0000 |
|---|---|---|
| committer | Miles Bader <miles@gnu.org> | 1996-05-06 19:47:38 +0000 |
| commit | 8c98856bfb43ace1a8952625ede370ffb34d9e42 (patch) | |
| tree | 1b427e9a8a7e89f5d0c1011fbc0e12491bc2596d /libstore/store.h | |
| parent | d92ab6c69ef0dfc706df7cd4e2eb69de064509e1 (diff) | |
Move big comment describing file_get_storage_info encoding to
<hurd/hurd_types.h>.
Diffstat (limited to 'libstore/store.h')
| -rw-r--r-- | libstore/store.h | 32 |
1 files changed, 2 insertions, 30 deletions
diff --git a/libstore/store.h b/libstore/store.h index 431b1af8..16b622cf 100644 --- a/libstore/store.h +++ b/libstore/store.h @@ -215,37 +215,9 @@ error_t store_create_pager (struct store *store, vm_prot_t prot, ..., #endif -/* Encode/decode table: - - 4 vectors are used: ports, ints, offsets (off_t), and data (char); - each type of store uses the following entries in each vector: - - -type- -ports- -ints- -offsets- -data- -kids- - device DEVICE TY, FL, BS, NR, NL, ML NR * (OFFS, LEN) NL + ML - - file FILE TY, FL, BS, NR, NL, ML NR * (OFFS, LEN) NL + ML - - memory MEMOBJ TY, FL, BS, NR, NL, ML NR * (OFFS, LEN) NL + ML - - task TASK TY, FL, BS, NR, NL, ML NR * (OFFS, LEN) NL + ML - - (the data for the above is a name (incl '\0') and a misc data block) - null - TY, FL LEN - - - (BS is 1) - ileave - TY, FL, IL, NC - - NC - (BS is the LCM of its children; LEN is the minimum of theirs * IL) - concat - TY, FL, NC - - NC - (BS is the LCM of its children; LEN is the sum of theirs) - layer - TY, FL, NC - - NC - (BS is the LCM of its children; LEN is the minimum of theirs) - - For ileave, concat, and layer, the children are encoded following the parent. - The first int must always be TY. - - key: TY = type code, FL = flags, BS = block size, NR = num runs, - NL = name len, ML = misc len, NC = num children, - IL = interleave (bytes), - LEN = run length (blocks), OFFS = run offset (blocks), - */ - /* Used to hold the various bits that make up the representation of a store - for transmission via rpc. */ + for transmission via rpc. See <hurd/hurd_types.h> for an explanation of + the encodings for the various storage types. */ struct store_enc { /* Each of the four vectors used. All are vm_allocated. */ |