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Renamed tag functions and macros

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- lfs_tagverb -> lfs_tag_verb
- lfs_mktag -> LFS_MKTAG (it's a macro now)
- LFS_STRUCT_THING -> LFS_THINGSTRUCT
This commit is contained in:
Christopher Haster
2018-07-12 19:07:56 -05:00
parent 7c88bc96b6
commit 2b35c36b67
2 changed files with 177 additions and 178 deletions
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319
lfs.c
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@@ -426,32 +426,34 @@ static inline bool lfs_pairsync(
} }
/// Entry tag operations /// /// Entry tag operations ///
static inline lfs_tag_t lfs_mktag( #define LFS_MKTAG(type, id, size) \
uint16_t type, uint16_t id, lfs_size_t size) { (((uint32_t)(type) << 22) | ((uint32_t)(id) << 12) | (uint32_t)(size))
return (type << 22) | (id << 12) | size;
}
static inline bool lfs_tag_isvalid(lfs_tag_t tag) { #define LFS_MKATTR(type, id, buffer_, size, next) \
&(lfs_mattrlist_t){ \
{LFS_MKTAG(type, id, size), .u.buffer=(void*)(buffer_)}, (next)}
static inline bool lfs_tagisvalid(lfs_tag_t tag) {
return !(tag & 0x80000000); return !(tag & 0x80000000);
} }
static inline bool lfs_tag_isuser(lfs_tag_t tag) { static inline bool lfs_tagisuser(lfs_tag_t tag) {
return (tag & 0x40000000); return (tag & 0x40000000);
} }
static inline uint16_t lfs_tag_type(lfs_tag_t tag) { static inline uint16_t lfs_tagtype(lfs_tag_t tag) {
return (tag & 0x7fc00000) >> 22; return (tag & 0x7fc00000) >> 22;
} }
static inline uint16_t lfs_tag_subtype(lfs_tag_t tag) { static inline uint16_t lfs_tagsubtype(lfs_tag_t tag) {
return (tag & 0x7c000000) >> 22; return (tag & 0x7c000000) >> 22;
} }
static inline uint16_t lfs_tag_id(lfs_tag_t tag) { static inline uint16_t lfs_tagid(lfs_tag_t tag) {
return (tag & 0x003ff000) >> 12; return (tag & 0x003ff000) >> 12;
} }
static inline lfs_size_t lfs_tag_size(lfs_tag_t tag) { static inline lfs_size_t lfs_tagsize(lfs_tag_t tag) {
return tag & 0x00000fff; return tag & 0x00000fff;
} }
@@ -494,34 +496,34 @@ static int lfs_commit_move(lfs_t *lfs, struct lfs_commit *commit,
static int lfs_commit_commit(lfs_t *lfs, static int lfs_commit_commit(lfs_t *lfs,
struct lfs_commit *commit, lfs_mattr_t attr) { struct lfs_commit *commit, lfs_mattr_t attr) {
// filter out ids // filter out ids
if (lfs_tag_id(attr.tag) < 0x3ff && ( if (lfs_tagid(attr.tag) < 0x3ff && (
lfs_tag_id(attr.tag) < commit->filter.begin || lfs_tagid(attr.tag) < commit->filter.begin ||
lfs_tag_id(attr.tag) >= commit->filter.end)) { lfs_tagid(attr.tag) >= commit->filter.end)) {
return 0; return 0;
} }
// special cases // special cases
if (lfs_tag_type(attr.tag) == LFS_FROM_DIR) { if (lfs_tagtype(attr.tag) == LFS_FROM_DIR) {
return lfs_commit_move(lfs, commit, return lfs_commit_move(lfs, commit,
lfs_tag_size(attr.tag), lfs_tag_id(attr.tag), lfs_tagsize(attr.tag), lfs_tagid(attr.tag),
attr.u.dir, NULL); attr.u.dir, NULL);
} }
if (lfs_tag_id(attr.tag) != 0x3ff) { if (lfs_tagid(attr.tag) != 0x3ff) {
// TODO eh? // TODO eh?
uint16_t id = lfs_tag_id(attr.tag) - commit->filter.begin; uint16_t id = lfs_tagid(attr.tag) - commit->filter.begin;
attr.tag = lfs_mktag(0, id, 0) | (attr.tag & 0xffc00fff); attr.tag = LFS_MKTAG(0, id, 0) | (attr.tag & 0xffc00fff);
} }
// check if we fit // check if we fit
lfs_size_t size = lfs_tag_size(attr.tag); lfs_size_t size = lfs_tagsize(attr.tag);
if (commit->off + sizeof(lfs_tag_t)+size > commit->end) { if (commit->off + sizeof(lfs_tag_t)+size > commit->end) {
return LFS_ERR_NOSPC; return LFS_ERR_NOSPC;
} }
// write out tag // write out tag
// TODO rm me // TODO rm me
//printf("tag w %#010x (%x:%x %03x %03x %03x)\n", attr.tag, commit->block, commit->off+sizeof(lfs_tag_t), lfs_tag_type(attr.tag), lfs_tag_id(attr.tag), lfs_tag_size(attr.tag)); //printf("tag w %#010x (%x:%x %03x %03x %03x)\n", attr.tag, commit->block, commit->off+sizeof(lfs_tag_t), lfs_tagtype(attr.tag), lfs_tagid(attr.tag), lfs_tagsize(attr.tag));
lfs_tag_t tag = lfs_tole32((attr.tag & 0x7fffffff) ^ commit->ptag); lfs_tag_t tag = lfs_tole32((attr.tag & 0x7fffffff) ^ commit->ptag);
lfs_crc(&commit->crc, &tag, sizeof(tag)); lfs_crc(&commit->crc, &tag, sizeof(tag));
int err = lfs_bd_prog(lfs, commit->block, commit->off, &tag, sizeof(tag)); int err = lfs_bd_prog(lfs, commit->block, commit->off, &tag, sizeof(tag));
@@ -575,11 +577,11 @@ static int lfs_commit_crc(lfs_t *lfs, struct lfs_commit *commit) {
// build crc tag // build crc tag
tag = (0x80000000 & ~lfs_fromle32(tag)) | tag = (0x80000000 & ~lfs_fromle32(tag)) |
lfs_mktag(LFS_TYPE_CRC, 0x3ff, LFS_MKTAG(LFS_TYPE_CRC, 0x3ff,
noff - (commit->off+sizeof(uint32_t))); noff - (commit->off+sizeof(uint32_t)));
// write out crc // write out crc
//printf("tag w %#010x (%x:%x %03x %03x %03x)\n", tag, commit->block, commit->off+sizeof(tag), lfs_tag_type(tag), lfs_tag_id(tag), lfs_tag_size(tag)); //printf("tag w %#010x (%x:%x %03x %03x %03x)\n", tag, commit->block, commit->off+sizeof(tag), lfs_tagtype(tag), lfs_tagid(tag), lfs_tagsize(tag));
uint32_t footer[2]; uint32_t footer[2];
footer[0] = lfs_tole32(tag ^ commit->ptag); footer[0] = lfs_tole32(tag ^ commit->ptag);
lfs_crc(&commit->crc, &footer[0], sizeof(footer[0])); lfs_crc(&commit->crc, &footer[0], sizeof(footer[0]));
@@ -589,7 +591,7 @@ static int lfs_commit_crc(lfs_t *lfs, struct lfs_commit *commit) {
if (err) { if (err) {
return err; return err;
} }
commit->off += sizeof(tag)+lfs_tag_size(tag); commit->off += sizeof(tag)+lfs_tagsize(tag);
commit->ptag = tag; commit->ptag = tag;
// flush buffers // flush buffers
@@ -601,7 +603,7 @@ static int lfs_commit_crc(lfs_t *lfs, struct lfs_commit *commit) {
// successful commit, check checksum to make sure // successful commit, check checksum to make sure
uint32_t crc = 0xffffffff; uint32_t crc = 0xffffffff;
err = lfs_bd_crc(lfs, commit->block, commit->begin, err = lfs_bd_crc(lfs, commit->block, commit->begin,
commit->off-lfs_tag_size(tag) - commit->begin, &crc); commit->off-lfs_tagsize(tag) - commit->begin, &crc);
if (err) { if (err) {
return err; return err;
} }
@@ -631,8 +633,8 @@ static int lfs_commit_move(lfs_t *lfs, struct lfs_commit *commit,
attr = list->e; attr = list->e;
list = list->next; list = list->next;
} else { } else {
LFS_ASSERT(off > 2*sizeof(ntag)+lfs_tag_size(ntag)); LFS_ASSERT(off > 2*sizeof(ntag)+lfs_tagsize(ntag));
off -= sizeof(ntag)+lfs_tag_size(ntag); off -= sizeof(ntag)+lfs_tagsize(ntag);
attr.tag = ntag; attr.tag = ntag;
attr.u.d.block = dir->pair[0]; attr.u.d.block = dir->pair[0];
@@ -649,11 +651,11 @@ static int lfs_commit_move(lfs_t *lfs, struct lfs_commit *commit,
attr.tag |= 0x80000000; attr.tag |= 0x80000000;
} }
if (lfs_tag_type(attr.tag) == LFS_TYPE_DELETE && if (lfs_tagtype(attr.tag) == LFS_TYPE_DELETE &&
lfs_tag_id(attr.tag) <= fromid) { lfs_tagid(attr.tag) <= fromid) {
// something was deleted, we need to move around it // something was deleted, we need to move around it
fromid += 1; fromid += 1;
} else if (lfs_tag_id(attr.tag) != fromid) { } else if (lfs_tagid(attr.tag) != fromid) {
// ignore non-matching ids // ignore non-matching ids
} else { } else {
// check if type has already been committed // check if type has already been committed
@@ -663,8 +665,8 @@ static int lfs_commit_move(lfs_t *lfs, struct lfs_commit *commit,
.off=commit->off, .off=commit->off,
.etag=commit->ptag, .etag=commit->ptag,
.stop_at_commit=true}, .stop_at_commit=true},
lfs_tag_isuser(attr.tag) ? 0x7ffff000 : 0x7c3ff000, lfs_tagisuser(attr.tag) ? 0x7ffff000 : 0x7c3ff000,
lfs_mktag(lfs_tag_type(attr.tag), LFS_MKTAG(lfs_tagtype(attr.tag),
toid - commit->filter.begin, 0), // TODO can all these filter adjustments be consolidated? toid - commit->filter.begin, 0), // TODO can all these filter adjustments be consolidated?
NULL, NULL); NULL, NULL);
if (err && err != LFS_ERR_NOENT) { if (err && err != LFS_ERR_NOENT) {
@@ -673,7 +675,7 @@ static int lfs_commit_move(lfs_t *lfs, struct lfs_commit *commit,
if (err == LFS_ERR_NOENT) { if (err == LFS_ERR_NOENT) {
// update id and commit, as we are currently unique // update id and commit, as we are currently unique
attr.tag = lfs_mktag(0, toid, 0) | (attr.tag & 0xffc00fff); attr.tag = LFS_MKTAG(0, toid, 0) | (attr.tag & 0xffc00fff);
int err = lfs_commit_commit(lfs, commit, attr); int err = lfs_commit_commit(lfs, commit, attr);
if (err) { if (err) {
return err; return err;
@@ -694,7 +696,7 @@ static int lfs_commit_globals(lfs_t *lfs, struct lfs_commit *commit,
// TODO check performance/complexity of different strategies here // TODO check performance/complexity of different strategies here
lfs_globals_t res = lfs_globals_xor(source, diff); lfs_globals_t res = lfs_globals_xor(source, diff);
int err = lfs_commit_commit(lfs, commit, (lfs_mattr_t){ int err = lfs_commit_commit(lfs, commit, (lfs_mattr_t){
lfs_mktag(LFS_TYPE_GLOBALS, 0x3ff, sizeof(res)), LFS_MKTAG(LFS_TYPE_GLOBALS, 0x3ff, sizeof(res)),
.u.buffer=&res}); .u.buffer=&res});
if (err) { if (err) {
return err; return err;
@@ -790,17 +792,17 @@ static int lfs_dir_find(lfs_t *lfs,
tag = lfs_fromle32(tag) ^ ptag; tag = lfs_fromle32(tag) ^ ptag;
// next commit not yet programmed // next commit not yet programmed
if (lfs_tag_type(ptag) == LFS_TYPE_CRC && !lfs_tag_isvalid(tag)) { if (lfs_tagtype(ptag) == LFS_TYPE_CRC && !lfs_tagisvalid(tag)) {
dir->erased = true; dir->erased = true;
goto done; goto done;
} }
// check we're in valid range // check we're in valid range
if (off + sizeof(tag)+lfs_tag_size(tag) > lfs->cfg->block_size) { if (off + sizeof(tag)+lfs_tagsize(tag) > lfs->cfg->block_size) {
break; break;
} }
if (lfs_tag_type(tag) == LFS_TYPE_CRC) { if (lfs_tagtype(tag) == LFS_TYPE_CRC) {
// check the crc attr // check the crc attr
uint32_t dcrc; uint32_t dcrc;
int err = lfs_bd_read(lfs, tempdir.pair[0], int err = lfs_bd_read(lfs, tempdir.pair[0],
@@ -820,48 +822,48 @@ static int lfs_dir_find(lfs_t *lfs,
} }
} }
tempdir.off = off + sizeof(tag)+lfs_tag_size(tag); tempdir.off = off + sizeof(tag)+lfs_tagsize(tag);
tempdir.etag = tag; tempdir.etag = tag;
crc = 0xffffffff; crc = 0xffffffff;
*dir = tempdir; *dir = tempdir;
localfoundtag = tempfoundtag; localfoundtag = tempfoundtag;
} else { } else {
err = lfs_bd_crc(lfs, tempdir.pair[0], err = lfs_bd_crc(lfs, tempdir.pair[0],
off+sizeof(tag), lfs_tag_size(tag), &crc); off+sizeof(tag), lfs_tagsize(tag), &crc);
if (err) { if (err) {
return err; return err;
} }
if (lfs_tag_id(tag) < 0x3ff && if (lfs_tagid(tag) < 0x3ff &&
lfs_tag_id(tag) >= tempdir.count) { lfs_tagid(tag) >= tempdir.count) {
tempdir.count = lfs_tag_id(tag)+1; tempdir.count = lfs_tagid(tag)+1;
} }
if (lfs_tag_subtype(tag) == LFS_TYPE_TAIL) { if (lfs_tagsubtype(tag) == LFS_TYPE_TAIL) {
tempdir.split = (lfs_tag_type(tag) & 1); tempdir.split = (lfs_tagtype(tag) & 1);
err = lfs_bd_read(lfs, tempdir.pair[0], off+sizeof(tag), err = lfs_bd_read(lfs, tempdir.pair[0], off+sizeof(tag),
tempdir.tail, sizeof(tempdir.tail)); tempdir.tail, sizeof(tempdir.tail));
if (err) { if (err) {
return err; return err;
} }
} else if (lfs_tag_type(tag) == LFS_TYPE_GLOBALS) { } else if (lfs_tagtype(tag) == LFS_TYPE_GLOBALS) {
err = lfs_bd_read(lfs, tempdir.pair[0], off+sizeof(tag), err = lfs_bd_read(lfs, tempdir.pair[0], off+sizeof(tag),
&tempdir.globals, sizeof(tempdir.globals)); &tempdir.globals, sizeof(tempdir.globals));
if (err) { if (err) {
return err; return err;
} }
} else if (lfs_tag_type(tag) == LFS_TYPE_DELETE) { } else if (lfs_tagtype(tag) == LFS_TYPE_DELETE) {
tempdir.count -= 1; tempdir.count -= 1;
if (lfs_tag_id(tag) == lfs_tag_id(tempfoundtag)) { if (lfs_tagid(tag) == lfs_tagid(tempfoundtag)) {
tempfoundtag = 0xffffffff; tempfoundtag = 0xffffffff;
} else if (lfs_tag_id(tempfoundtag) < 0x3ff && } else if (lfs_tagid(tempfoundtag) < 0x3ff &&
lfs_tag_id(tag) < lfs_tag_id(tempfoundtag)) { lfs_tagid(tag) < lfs_tagid(tempfoundtag)) {
tempfoundtag -= lfs_mktag(0, 1, 0); tempfoundtag -= LFS_MKTAG(0, 1, 0);
} }
} else if ((tag & findmask) == (findtag & findmask)) { } else if ((tag & findmask) == (findtag & findmask)) {
int res = lfs_bd_cmp(lfs, tempdir.pair[0], off+sizeof(tag), int res = lfs_bd_cmp(lfs, tempdir.pair[0], off+sizeof(tag),
findbuffer, lfs_tag_size(tag)); findbuffer, lfs_tagsize(tag));
if (res < 0) { if (res < 0) {
return res; return res;
} }
@@ -874,7 +876,7 @@ static int lfs_dir_find(lfs_t *lfs,
} }
ptag = tag; ptag = tag;
off += sizeof(tag)+lfs_tag_size(tag); off += sizeof(tag)+lfs_tagsize(tag);
} }
// failed, try the other crc? // failed, try the other crc?
@@ -888,11 +890,11 @@ static int lfs_dir_find(lfs_t *lfs,
done: done:
// synthetic move // synthetic move
if (lfs_paircmp(dir->pair, lfs->globals.move.pair) == 0) { if (lfs_paircmp(dir->pair, lfs->globals.move.pair) == 0) {
if (lfs->globals.move.id == lfs_tag_id(localfoundtag)) { if (lfs->globals.move.id == lfs_tagid(localfoundtag)) {
localfoundtag = 0xffffffff; localfoundtag = 0xffffffff;
} else if (lfs_tag_id(localfoundtag) < 0x3ff && } else if (lfs_tagid(localfoundtag) < 0x3ff &&
lfs->globals.move.id < lfs_tag_id(localfoundtag)) { lfs->globals.move.id < lfs_tagid(localfoundtag)) {
localfoundtag -= lfs_mktag(0, 1, 0); localfoundtag -= LFS_MKTAG(0, 1, 0);
} }
} }
@@ -1017,7 +1019,7 @@ static int lfs_dir_compact(lfs_t *lfs, lfs_mdir_t *dir, lfs_mattrlist_t *list,
// commit tail, which may be new after last size check // commit tail, which may be new after last size check
// TODO le32 // TODO le32
err = lfs_commit_commit(lfs, &commit, (lfs_mattr_t){ err = lfs_commit_commit(lfs, &commit, (lfs_mattr_t){
lfs_mktag(LFS_TYPE_TAIL + dir->split, LFS_MKTAG(LFS_TYPE_TAIL + dir->split,
0x3ff, sizeof(dir->tail)), 0x3ff, sizeof(dir->tail)),
.u.buffer=dir->tail}); .u.buffer=dir->tail});
if (err) { if (err) {
@@ -1208,16 +1210,14 @@ static int lfs_dir_delete(lfs_t *lfs, lfs_mdir_t *dir, uint16_t id) {
lfs->diff = dir->globals; lfs->diff = dir->globals;
lfs->globals = lfs_globals_xor(&lfs->globals, &dir->globals); lfs->globals = lfs_globals_xor(&lfs->globals, &dir->globals);
int err = lfs_dir_commit(lfs, &pdir, &(lfs_mattrlist_t){ return lfs_dir_commit(lfs, &pdir,
{lfs_mktag(LFS_TYPE_TAIL + pdir.split, LFS_MKATTR(LFS_TYPE_TAIL + pdir.split, 0x3ff,
0x3ff, sizeof(pdir.tail)), pdir.tail, sizeof(pdir.tail), NULL));
.u.buffer=pdir.tail}});
return err;
} }
} }
int err = lfs_dir_commit(lfs, dir, &(lfs_mattrlist_t){ int err = lfs_dir_commit(lfs, dir,
{lfs_mktag(LFS_TYPE_DELETE, id, 0)}}); LFS_MKATTR(LFS_TYPE_DELETE, id, NULL, 0, NULL));
if (err) { if (err) {
return err; return err;
} }
@@ -1249,13 +1249,13 @@ static int lfs_dir_delete(lfs_t *lfs, lfs_mdir_t *dir, uint16_t id) {
static int lfs_dir_get(lfs_t *lfs, lfs_mdir_t *dir, static int lfs_dir_get(lfs_t *lfs, lfs_mdir_t *dir,
uint32_t getmask, lfs_tag_t gettag, uint32_t getmask, lfs_tag_t gettag,
lfs_tag_t *foundtag, void *buffer) { lfs_tag_t *foundtag, void *buffer) {
uint16_t id = lfs_tag_id(gettag); uint16_t id = lfs_tagid(gettag);
lfs_size_t size = lfs_tag_size(gettag); lfs_size_t size = lfs_tagsize(gettag);
// synthetic moves // synthetic moves
if (lfs_paircmp(dir->pair, lfs->globals.move.pair) == 0 if (lfs_paircmp(dir->pair, lfs->globals.move.pair) == 0
&& lfs_tag_id(gettag) <= lfs->globals.move.id) { && lfs_tagid(gettag) <= lfs->globals.move.id) {
gettag += lfs_mktag(0, 1, 0); gettag += LFS_MKTAG(0, 1, 0);
} }
// iterate over dir block backwards (for faster lookups) // iterate over dir block backwards (for faster lookups)
@@ -1263,24 +1263,24 @@ static int lfs_dir_get(lfs_t *lfs, lfs_mdir_t *dir,
lfs_tag_t tag = dir->etag; lfs_tag_t tag = dir->etag;
while (off > 2*sizeof(tag)) { while (off > 2*sizeof(tag)) {
LFS_ASSERT(off > 2*sizeof(tag)+lfs_tag_size(tag)); LFS_ASSERT(off > 2*sizeof(tag)+lfs_tagsize(tag));
off -= sizeof(tag)+lfs_tag_size(tag); off -= sizeof(tag)+lfs_tagsize(tag);
if (lfs_tag_type(tag) == LFS_TYPE_CRC) { if (lfs_tagtype(tag) == LFS_TYPE_CRC) {
if (dir->stop_at_commit) { if (dir->stop_at_commit) {
break; break;
} }
} else if (lfs_tag_type(tag) == LFS_TYPE_DELETE) { } else if (lfs_tagtype(tag) == LFS_TYPE_DELETE) {
if (lfs_tag_id(tag) <= lfs_tag_id(gettag)) { if (lfs_tagid(tag) <= lfs_tagid(gettag)) {
gettag += lfs_mktag(0, 1, 0); gettag += LFS_MKTAG(0, 1, 0);
} }
} else if ((tag & getmask) == (gettag & getmask)) { } else if ((tag & getmask) == (gettag & getmask)) {
if (foundtag) { if (foundtag) {
*foundtag = lfs_mktag(0, id, 0) | (tag & 0xffc00fff); *foundtag = LFS_MKTAG(0, id, 0) | (tag & 0xffc00fff);
} }
if (buffer) { if (buffer) {
lfs_size_t diff = lfs_min(size, lfs_tag_size(tag)); lfs_size_t diff = lfs_min(size, lfs_tagsize(tag));
int err = lfs_bd_read(lfs, dir->pair[0], off, buffer, diff); int err = lfs_bd_read(lfs, dir->pair[0], off, buffer, diff);
if (err) { if (err) {
return err; return err;
@@ -1308,28 +1308,28 @@ static int lfs_dir_getinfo(lfs_t *lfs, lfs_mdir_t *dir,
int16_t id, struct lfs_info *info) { int16_t id, struct lfs_info *info) {
lfs_mattr_t attr; lfs_mattr_t attr;
int err = lfs_dir_get(lfs, dir, 0x7c3ff000, int err = lfs_dir_get(lfs, dir, 0x7c3ff000,
lfs_mktag(LFS_TYPE_NAME, id, lfs->name_size+1), LFS_MKTAG(LFS_TYPE_NAME, id, lfs->name_size+1),
&attr.tag, info->name); &attr.tag, info->name);
if (err) { if (err) {
return err; return err;
} }
info->type = lfs_tag_type(attr.tag); info->type = lfs_tagtype(attr.tag);
if (lfs_tag_size(attr.tag) > lfs->name_size) { if (lfs_tagsize(attr.tag) > lfs->name_size) {
return LFS_ERR_RANGE; return LFS_ERR_RANGE;
} }
err = lfs_dir_get(lfs, dir, 0x7c3ff000, err = lfs_dir_get(lfs, dir, 0x7c3ff000,
lfs_mktag(LFS_TYPE_STRUCT, id, 8), LFS_MKTAG(LFS_TYPE_STRUCT, id, 8),
&attr.tag, &attr.u); &attr.tag, &attr.u);
if (err) { if (err) {
return err; return err;
} }
if (lfs_tag_type(attr.tag) == LFS_STRUCT_CTZ) { if (lfs_tagtype(attr.tag) == LFS_TYPE_CTZSTRUCT) {
info->size = attr.u.ctz.size; info->size = attr.u.ctz.size;
} else if (lfs_tag_type(attr.tag) == LFS_STRUCT_INLINE) { } else if (lfs_tagtype(attr.tag) == LFS_TYPE_INLINESTRUCT) {
info->size = lfs_tag_size(attr.tag); info->size = lfs_tagsize(attr.tag);
} }
return 0; return 0;
@@ -1358,7 +1358,7 @@ static int lfs_dir_lookup(lfs_t *lfs, lfs_mdir_t *dir,
// Return ISDIR when we hit root // Return ISDIR when we hit root
// TODO change this to -1 or 0x3ff? // TODO change this to -1 or 0x3ff?
if (foundtag) { if (foundtag) {
*foundtag = lfs_mktag(LFS_TYPE_DIR, 0, 0); *foundtag = LFS_MKTAG(LFS_TYPE_DIR, 0, 0);
} }
return LFS_ERR_ISDIR; return LFS_ERR_ISDIR;
} }
@@ -1400,7 +1400,7 @@ static int lfs_dir_lookup(lfs_t *lfs, lfs_mdir_t *dir,
// find path // find path
while (true) { while (true) {
int err = lfs_dir_find(lfs, dir, attr.u.pair, int err = lfs_dir_find(lfs, dir, attr.u.pair,
0x7c000fff, lfs_mktag(LFS_TYPE_NAME, 0, namelen), 0x7c000fff, LFS_MKTAG(LFS_TYPE_NAME, 0, namelen),
name, &localfoundtag); name, &localfoundtag);
if (err && err != LFS_ERR_NOENT) { if (err && err != LFS_ERR_NOENT) {
return err; return err;
@@ -1431,7 +1431,7 @@ static int lfs_dir_lookup(lfs_t *lfs, lfs_mdir_t *dir,
// don't continue on if we didn't hit a directory // don't continue on if we didn't hit a directory
// TODO update with what's on master? // TODO update with what's on master?
if (lfs_tag_type(localfoundtag) != LFS_TYPE_DIR) { if (lfs_tagtype(localfoundtag) != LFS_TYPE_DIR) {
return LFS_ERR_NOTDIR; return LFS_ERR_NOTDIR;
} }
@@ -1439,7 +1439,7 @@ static int lfs_dir_lookup(lfs_t *lfs, lfs_mdir_t *dir,
// TODO would this mean more code? // TODO would this mean more code?
// grab the entry data // grab the entry data
int err = lfs_dir_get(lfs, dir, 0x7c3ff000, int err = lfs_dir_get(lfs, dir, 0x7c3ff000,
lfs_mktag(LFS_TYPE_STRUCT, lfs_tag_id(localfoundtag), 8), LFS_MKTAG(LFS_TYPE_STRUCT, lfs_tagid(localfoundtag), 8),
&attr.tag, &attr.u); &attr.tag, &attr.u);
if (err) { if (err) {
return err; return err;
@@ -1495,13 +1495,14 @@ int lfs_mkdir(lfs_t *lfs, const char *path) {
cwd.tail[0] = dir.pair[0]; cwd.tail[0] = dir.pair[0];
cwd.tail[1] = dir.pair[1]; cwd.tail[1] = dir.pair[1];
err = lfs_dir_commit(lfs, &cwd, &(lfs_mattrlist_t){ err = lfs_dir_commit(lfs, &cwd,
{lfs_mktag(LFS_TYPE_DIR, id, nlen), LFS_MKATTR(LFS_TYPE_DIR, id, path, nlen,
.u.buffer=(void*)path}, &(lfs_mattrlist_t){ LFS_MKATTR(LFS_TYPE_DIRSTRUCT, id, dir.pair, sizeof(dir.pair),
{lfs_mktag(LFS_STRUCT_DIR, id, sizeof(dir.pair)), LFS_MKATTR(LFS_TYPE_SOFTTAIL, 0x3ff, cwd.tail, sizeof(cwd.tail),
.u.buffer=dir.pair}, &(lfs_mattrlist_t){ NULL))));
{lfs_mktag(LFS_TYPE_SOFTTAIL, 0x3ff, sizeof(cwd.tail)), if (err) {
.u.buffer=cwd.tail}}}}); return err;
}
// TODO need ack here? // TODO need ack here?
lfs_alloc_ack(lfs); lfs_alloc_ack(lfs);
@@ -1515,7 +1516,7 @@ int lfs_dir_open(lfs_t *lfs, lfs_dir_t *dir, const char *path) {
return err; return err;
} }
if (lfs_tag_type(tag) != LFS_TYPE_DIR) { if (lfs_tagtype(tag) != LFS_TYPE_DIR) {
return LFS_ERR_NOTDIR; return LFS_ERR_NOTDIR;
} }
@@ -1527,7 +1528,7 @@ int lfs_dir_open(lfs_t *lfs, lfs_dir_t *dir, const char *path) {
} else { } else {
// get dir pair from parent // get dir pair from parent
err = lfs_dir_get(lfs, &dir->m, 0x7c3ff000, err = lfs_dir_get(lfs, &dir->m, 0x7c3ff000,
lfs_mktag(LFS_TYPE_STRUCT, lfs_tag_id(tag), 8), LFS_MKTAG(LFS_TYPE_STRUCT, lfs_tagid(tag), 8),
&attr.tag, &attr.u); &attr.tag, &attr.u);
if (err) { if (err) {
return err; return err;
@@ -1868,8 +1869,8 @@ int lfs_file_open(lfs_t *lfs, lfs_file_t *file,
err != LFS_ERR_ISDIR) { err != LFS_ERR_ISDIR) {
return err; return err;
} }
uint16_t id = lfs_tag_id(tag); uint16_t id = lfs_tagid(tag);
uint8_t type = lfs_tag_type(tag); uint8_t type = lfs_tagtype(tag);
lfs_mattr_t attr; // TODO stop copying things (attr, id, type, tag) lfs_mattr_t attr; // TODO stop copying things (attr, id, type, tag)
if (err == LFS_ERR_NOENT) { if (err == LFS_ERR_NOENT) {
@@ -1890,10 +1891,9 @@ int lfs_file_open(lfs_t *lfs, lfs_file_t *file,
} }
// TODO do we need to make file registered to list to catch updates from this commit? ie if id/cwd change // TODO do we need to make file registered to list to catch updates from this commit? ie if id/cwd change
err = lfs_dir_commit(lfs, &cwd, &(lfs_mattrlist_t){ err = lfs_dir_commit(lfs, &cwd,
{lfs_mktag(LFS_TYPE_REG, id, nlen), LFS_MKATTR(LFS_TYPE_REG, id, path, nlen,
.u.buffer=(void*)path}, &(lfs_mattrlist_t){ LFS_MKATTR(LFS_TYPE_INLINESTRUCT, id, NULL, 0, NULL)));
{lfs_mktag(LFS_STRUCT_INLINE, id, 0)}}});
if (err) { if (err) {
return err; return err;
} }
@@ -1906,7 +1906,7 @@ int lfs_file_open(lfs_t *lfs, lfs_file_t *file,
cwd.pair[1] = cwd.tail[1]; cwd.pair[1] = cwd.tail[1];
} }
attr.tag = lfs_mktag(LFS_STRUCT_INLINE, id, 0); attr.tag = LFS_MKTAG(LFS_TYPE_INLINESTRUCT, id, 0);
} else { } else {
if (type != LFS_TYPE_REG) { if (type != LFS_TYPE_REG) {
return LFS_ERR_ISDIR; return LFS_ERR_ISDIR;
@@ -1917,7 +1917,7 @@ int lfs_file_open(lfs_t *lfs, lfs_file_t *file,
// TODO allow no entry? // TODO allow no entry?
// TODO move this into one load? If cache >= 8 would work // TODO move this into one load? If cache >= 8 would work
err = lfs_dir_get(lfs, &cwd, 0x7c3ff000, err = lfs_dir_get(lfs, &cwd, 0x7c3ff000,
lfs_mktag(LFS_TYPE_STRUCT, id, 8), LFS_MKTAG(LFS_TYPE_STRUCT, id, 8),
&attr.tag, &file->head); &attr.tag, &file->head);
if (err) { if (err) {
return err; return err;
@@ -1948,12 +1948,12 @@ int lfs_file_open(lfs_t *lfs, lfs_file_t *file,
} }
} }
if (lfs_tag_type(attr.tag) == LFS_STRUCT_INLINE) { if (lfs_tagtype(attr.tag) == LFS_TYPE_INLINESTRUCT) {
// TODO make inline the better path? // TODO make inline the better path?
// TODO can inline and trunc be combined? // TODO can inline and trunc be combined?
// load inline files // load inline files
file->head = 0xfffffffe; file->head = 0xfffffffe;
file->size = lfs_tag_size(attr.tag); file->size = lfs_tagsize(attr.tag);
file->flags |= LFS_F_INLINE; file->flags |= LFS_F_INLINE;
file->cache.block = file->head; file->cache.block = file->head;
file->cache.off = 0; file->cache.off = 0;
@@ -2147,18 +2147,16 @@ int lfs_file_sync(lfs_t *lfs, lfs_file_t *file) {
// either update the references or inline the whole file // either update the references or inline the whole file
if (!(file->flags & LFS_F_INLINE)) { if (!(file->flags & LFS_F_INLINE)) {
int err = lfs_dir_commit(lfs, &cwd, &(lfs_mattrlist_t){ int err = lfs_dir_commit(lfs, &cwd,
{lfs_mktag(LFS_STRUCT_CTZ, LFS_MKATTR(LFS_TYPE_CTZSTRUCT, file->id,
file->id, 2*sizeof(uint32_t)), .u.buffer=&file->head}, &file->head, 2*sizeof(uint32_t), file->attrs));
file->attrs});
if (err) { if (err) {
return err; return err;
} }
} else { } else {
int err = lfs_dir_commit(lfs, &cwd, &(lfs_mattrlist_t){ int err = lfs_dir_commit(lfs, &cwd,
{lfs_mktag(LFS_STRUCT_INLINE, LFS_MKATTR(LFS_TYPE_INLINESTRUCT, file->id,
file->id, file->size), .u.buffer=file->cache.buffer}, file->cache.buffer, file->size, file->attrs));
file->attrs});
if (err) { if (err) {
return err; return err;
} }
@@ -2554,7 +2552,7 @@ int lfs_stat(lfs_t *lfs, const char *path, struct lfs_info *info) {
return 0; return 0;
} }
return lfs_dir_getinfo(lfs, &cwd, lfs_tag_id(tag), info); return lfs_dir_getinfo(lfs, &cwd, lfs_tagid(tag), info);
} }
int lfs_remove(lfs_t *lfs, const char *path) { int lfs_remove(lfs_t *lfs, const char *path) {
@@ -2579,11 +2577,11 @@ int lfs_remove(lfs_t *lfs, const char *path) {
} }
lfs_mdir_t dir; lfs_mdir_t dir;
if (lfs_tag_type(tag) == LFS_TYPE_DIR) { if (lfs_tagtype(tag) == LFS_TYPE_DIR) {
// must be empty before removal // must be empty before removal
lfs_mattr_t attr; lfs_mattr_t attr;
err = lfs_dir_get(lfs, &cwd, 0x7c3ff000, err = lfs_dir_get(lfs, &cwd, 0x7c3ff000,
lfs_mktag(LFS_TYPE_STRUCT, lfs_tag_id(tag), 8), LFS_MKTAG(LFS_TYPE_STRUCT, lfs_tagid(tag), 8),
&attr.tag, &attr.u); &attr.tag, &attr.u);
if (err) { if (err) {
return err; return err;
@@ -2601,12 +2599,12 @@ int lfs_remove(lfs_t *lfs, const char *path) {
} }
// delete the entry // delete the entry
err = lfs_dir_delete(lfs, &cwd, lfs_tag_id(tag)); err = lfs_dir_delete(lfs, &cwd, lfs_tagid(tag));
if (err) { if (err) {
return err; return err;
} }
if (lfs_tag_type(tag) == LFS_TYPE_DIR) { if (lfs_tagtype(tag) == LFS_TYPE_DIR) {
int res = lfs_pred(lfs, dir.pair, &cwd); int res = lfs_pred(lfs, dir.pair, &cwd);
if (res < 0) { if (res < 0) {
return res; return res;
@@ -2615,9 +2613,12 @@ int lfs_remove(lfs_t *lfs, const char *path) {
LFS_ASSERT(res); // must have pred LFS_ASSERT(res); // must have pred
cwd.tail[0] = dir.tail[0]; cwd.tail[0] = dir.tail[0];
cwd.tail[1] = dir.tail[1]; cwd.tail[1] = dir.tail[1];
err = lfs_dir_commit(lfs, &cwd, &(lfs_mattrlist_t){ err = lfs_dir_commit(lfs, &cwd,
{lfs_mktag(LFS_TYPE_SOFTTAIL, 0x3ff, sizeof(cwd.tail)), LFS_MKATTR(LFS_TYPE_SOFTTAIL, 0x3ff,
.u.buffer=cwd.tail}}); cwd.tail, sizeof(cwd.tail), NULL));
if (err) {
return err;
}
} }
return 0; return 0;
@@ -2648,22 +2649,22 @@ int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) {
return err; return err;
} }
uint16_t newid = lfs_tag_id(prevtag); uint16_t newid = lfs_tagid(prevtag);
bool prevexists = (err != LFS_ERR_NOENT); bool prevexists = (err != LFS_ERR_NOENT);
//bool samepair = (lfs_paircmp(oldcwd.pair, newcwd.pair) == 0); //bool samepair = (lfs_paircmp(oldcwd.pair, newcwd.pair) == 0);
lfs_mdir_t prevdir; lfs_mdir_t prevdir;
if (prevexists) { if (prevexists) {
// check that we have same type // check that we have same type
if (lfs_tag_type(prevtag) != lfs_tag_type(oldtag)) { if (lfs_tagtype(prevtag) != lfs_tagtype(oldtag)) {
return LFS_ERR_ISDIR; return LFS_ERR_ISDIR;
} }
if (lfs_tag_type(prevtag) == LFS_TYPE_DIR) { if (lfs_tagtype(prevtag) == LFS_TYPE_DIR) {
// must be empty before removal // must be empty before removal
lfs_mattr_t prevattr; lfs_mattr_t prevattr;
err = lfs_dir_get(lfs, &newcwd, 0x7c3ff000, err = lfs_dir_get(lfs, &newcwd, 0x7c3ff000,
lfs_mktag(LFS_TYPE_STRUCT, newid, 8), LFS_MKTAG(LFS_TYPE_STRUCT, newid, 8),
&prevattr.tag, &prevattr.u); &prevattr.tag, &prevattr.u);
if (err) { if (err) {
return err; return err;
@@ -2696,14 +2697,13 @@ int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) {
// create move to fix later // create move to fix later
lfs->diff.move.pair[0] = oldcwd.pair[0] ^ lfs->globals.move.pair[0]; lfs->diff.move.pair[0] = oldcwd.pair[0] ^ lfs->globals.move.pair[0];
lfs->diff.move.pair[1] = oldcwd.pair[1] ^ lfs->globals.move.pair[1]; lfs->diff.move.pair[1] = oldcwd.pair[1] ^ lfs->globals.move.pair[1];
lfs->diff.move.id = lfs_tag_id(oldtag) ^ lfs->globals.move.id; lfs->diff.move.id = lfs_tagid(oldtag) ^ lfs->globals.move.id;
// move over all attributes // move over all attributes
err = lfs_dir_commit(lfs, &newcwd, &(lfs_mattrlist_t){ err = lfs_dir_commit(lfs, &newcwd,
{lfs_mktag(lfs_tag_type(oldtag), newid, strlen(newpath)), LFS_MKATTR(lfs_tagtype(oldtag), newid, newpath, strlen(newpath),
.u.buffer=(void*)newpath}, &(lfs_mattrlist_t){ LFS_MKATTR(LFS_FROM_DIR, newid, &oldcwd, lfs_tagid(oldtag),
{lfs_mktag(LFS_FROM_DIR, newid, lfs_tag_id(oldtag)), NULL)));
.u.dir=&oldcwd}}});
if (err) { if (err) {
return err; return err;
} }
@@ -2714,7 +2714,7 @@ int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) {
return err; return err;
} }
if (prevexists && lfs_tag_type(prevtag) == LFS_TYPE_DIR) { if (prevexists && lfs_tagtype(prevtag) == LFS_TYPE_DIR) {
int res = lfs_pred(lfs, prevdir.pair, &newcwd); int res = lfs_pred(lfs, prevdir.pair, &newcwd);
if (res < 0) { if (res < 0) {
return res; return res;
@@ -2727,9 +2727,12 @@ int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) {
LFS_ASSERT(res); // must have pred LFS_ASSERT(res); // must have pred
newcwd.tail[0] = prevdir.tail[0]; newcwd.tail[0] = prevdir.tail[0];
newcwd.tail[1] = prevdir.tail[1]; newcwd.tail[1] = prevdir.tail[1];
err = lfs_dir_commit(lfs, &newcwd, &(lfs_mattrlist_t){ err = lfs_dir_commit(lfs, &newcwd,
{lfs_mktag(LFS_TYPE_SOFTTAIL, 0x3ff, sizeof(newcwd.tail)), LFS_MKATTR(LFS_TYPE_SOFTTAIL, 0x3ff,
.u.buffer=newcwd.tail}}); newcwd.tail, sizeof(newcwd.tail), NULL));
if (err) {
return err;
}
} }
return 0; return 0;
@@ -2751,7 +2754,7 @@ int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) {
// //
// // if we were a directory, find pred, replace tail // // if we were a directory, find pred, replace tail
// // TODO can this just deorphan? // // TODO can this just deorphan?
// if (prevexists && lfs_tag_subtype(prevattr.tag) == LFS_TYPE_DIR) { // if (prevexists && lfs_tagsubtype(prevattr.tag) == LFS_TYPE_DIR) {
// err = lfs_deorphan(lfs); // err = lfs_deorphan(lfs);
// if (err) { // if (err) {
// return err; // return err;
@@ -2952,11 +2955,10 @@ int lfs_format(lfs_t *lfs, const struct lfs_config *cfg) {
}; };
dir.count += 1; dir.count += 1;
err = lfs_dir_commit(lfs, &dir, &(lfs_mattrlist_t){ err = lfs_dir_commit(lfs, &dir,
{lfs_mktag(LFS_TYPE_SUPERBLOCK, 0, sizeof(superblock)), LFS_MKATTR(LFS_TYPE_SUPERBLOCK, 0, &superblock, sizeof(superblock),
.u.buffer=&superblock}, &(lfs_mattrlist_t){ LFS_MKATTR(LFS_TYPE_DIRSTRUCT, 0, lfs->root, sizeof(lfs->root),
{lfs_mktag(LFS_STRUCT_DIR, 0, sizeof(lfs->root)), NULL)));
.u.buffer=lfs->root}}});
if (err) { if (err) {
return err; return err;
} }
@@ -2994,7 +2996,7 @@ int lfs_mount(lfs_t *lfs, const struct lfs_config *cfg) {
lfs_superblock_t superblock; lfs_superblock_t superblock;
err = lfs_dir_get(lfs, &dir, 0x7ffff000, err = lfs_dir_get(lfs, &dir, 0x7ffff000,
lfs_mktag(LFS_TYPE_SUPERBLOCK, 0, sizeof(superblock)), LFS_MKTAG(LFS_TYPE_SUPERBLOCK, 0, sizeof(superblock)),
NULL, &superblock); NULL, &superblock);
if (err) { if (err) {
return err; return err;
@@ -3014,7 +3016,7 @@ int lfs_mount(lfs_t *lfs, const struct lfs_config *cfg) {
} }
err = lfs_dir_get(lfs, &dir, 0x7ffff000, err = lfs_dir_get(lfs, &dir, 0x7ffff000,
lfs_mktag(LFS_STRUCT_DIR, 0, sizeof(lfs->root)), LFS_MKTAG(LFS_TYPE_DIRSTRUCT, 0, sizeof(lfs->root)),
NULL, &lfs->root); NULL, &lfs->root);
if (err) { if (err) {
return err; return err;
@@ -3089,7 +3091,7 @@ int lfs_fs_traverse(lfs_t *lfs,
for (uint16_t id = 0; id < dir.count; id++) { for (uint16_t id = 0; id < dir.count; id++) {
lfs_mattr_t attr; lfs_mattr_t attr;
int err = lfs_dir_get(lfs, &dir, 0x7c3ff000, int err = lfs_dir_get(lfs, &dir, 0x7c3ff000,
lfs_mktag(LFS_TYPE_STRUCT, id, 8), LFS_MKTAG(LFS_TYPE_STRUCT, id, 8),
&attr.tag, &attr.u); &attr.tag, &attr.u);
if (err) { if (err) {
if (err == LFS_ERR_NOENT) { if (err == LFS_ERR_NOENT) {
@@ -3098,7 +3100,7 @@ int lfs_fs_traverse(lfs_t *lfs,
return err; return err;
} }
if (lfs_tag_type(attr.tag) == LFS_STRUCT_CTZ) { if (lfs_tagtype(attr.tag) == LFS_TYPE_CTZSTRUCT) {
err = lfs_ctz_traverse(lfs, &lfs->rcache, NULL, err = lfs_ctz_traverse(lfs, &lfs->rcache, NULL,
attr.u.ctz.head, attr.u.ctz.size, cb, data); attr.u.ctz.head, attr.u.ctz.size, cb, data);
if (err) { if (err) {
@@ -3163,7 +3165,7 @@ int lfs_fs_traverse(lfs_t *lfs, int (*cb)(void*, lfs_block_t), void *data) {
} }
dir.off += lfs_entry_size(&entry); dir.off += lfs_entry_size(&entry);
if ((0x70 & entry.d.type) == LFS_STRUCT_CTZ) { if ((0x70 & entry.d.type) == LFS_TYPE_CTZSTRUCT) {
err = lfs_ctz_traverse(lfs, &lfs->rcache, NULL, err = lfs_ctz_traverse(lfs, &lfs->rcache, NULL,
entry.d.u.file.head, entry.d.u.file.size, cb, data); entry.d.u.file.head, entry.d.u.file.size, cb, data);
if (err) { if (err) {
@@ -3230,8 +3232,8 @@ static int lfs_parent(lfs_t *lfs, const lfs_block_t pair[2],
parent->tail[0] = 0; parent->tail[0] = 0;
parent->tail[1] = 1; parent->tail[1] = 1;
while (!lfs_pairisnull(parent->tail)) { while (!lfs_pairisnull(parent->tail)) {
int err = lfs_dir_find(lfs, parent, parent->tail, int err = lfs_dir_find(lfs, parent, parent->tail, 0x7fc00fff,
0x7fc00fff, lfs_mktag(LFS_STRUCT_DIR, 0, sizeof(child)), LFS_MKTAG(LFS_TYPE_DIRSTRUCT, 0, sizeof(child)),
child, foundtag); child, foundtag);
if (err != LFS_ERR_NOENT) { if (err != LFS_ERR_NOENT) {
return err; return err;
@@ -3287,10 +3289,9 @@ static int lfs_relocate(lfs_t *lfs,
// just replace bad pair, no desync can occur // just replace bad pair, no desync can occur
parent.tail[0] = newpair[0]; parent.tail[0] = newpair[0];
parent.tail[1] = newpair[1]; parent.tail[1] = newpair[1];
int err = lfs_dir_commit(lfs, &parent, &(lfs_mattrlist_t){ int err = lfs_dir_commit(lfs, &parent,
{lfs_mktag(LFS_TYPE_TAIL + parent.split, // TODO hm LFS_MKATTR(LFS_TYPE_TAIL + parent.split, 0x3ff,
0x3ff, sizeof(lfs_block_t[2])), newpair, sizeof(lfs_block_t[2]), NULL));
.u.pair[0]=newpair[0], .u.pair[1]=newpair[1]}});
if (err) { if (err) {
return err; return err;
} }
@@ -3410,10 +3411,9 @@ int lfs_deorphan(lfs_t *lfs) {
pdir.tail[0] = dir.tail[0]; pdir.tail[0] = dir.tail[0];
pdir.tail[1] = dir.tail[1]; pdir.tail[1] = dir.tail[1];
err = lfs_dir_commit(lfs, &pdir, &(lfs_mattrlist_t){ err = lfs_dir_commit(lfs, &pdir,
{lfs_mktag(LFS_TYPE_SOFTTAIL, LFS_MKATTR(LFS_TYPE_SOFTTAIL, 0x3ff,
0x3ff, sizeof(pdir.tail)), pdir.tail, sizeof(pdir.tail), NULL));
.u.buffer=pdir.tail}});
if (err) { if (err) {
return err; return err;
} }
@@ -3434,10 +3434,9 @@ int lfs_deorphan(lfs_t *lfs) {
pdir.tail[0] = attr.u.pair[0]; pdir.tail[0] = attr.u.pair[0];
pdir.tail[1] = attr.u.pair[1]; pdir.tail[1] = attr.u.pair[1];
err = lfs_dir_commit(lfs, &pdir, &(lfs_mattrlist_t){ err = lfs_dir_commit(lfs, &pdir,
{lfs_mktag(LFS_TYPE_SOFTTAIL, LFS_MKATTR(LFS_TYPE_SOFTTAIL, 0x3ff,
0x3ff, sizeof(pdir.tail)), pdir.tail, sizeof(pdir.tail), NULL));
.u.buffer=pdir.tail}});
if (err) { if (err) {
return err; return err;
} }

6
lfs.h
View File

@@ -111,9 +111,9 @@ enum lfs_type {
LFS_TYPE_HARDTAIL = 0x0c1, LFS_TYPE_HARDTAIL = 0x0c1,
LFS_TYPE_CRC = 0x0ff, LFS_TYPE_CRC = 0x0ff,
LFS_STRUCT_INLINE = 0x040, LFS_TYPE_INLINESTRUCT = 0x040,
LFS_STRUCT_CTZ = 0x041, LFS_TYPE_CTZSTRUCT = 0x041,
LFS_STRUCT_DIR = 0x042, LFS_TYPE_DIRSTRUCT = 0x042,
// internal chip sources // internal chip sources
LFS_FROM_REGION = 0x000, LFS_FROM_REGION = 0x000,