static int fs_format(int cidx) {
s32_t r;
struct mount_info *m = &s_fsm;
_u32 fsc_size = FS_CONTAINER_SIZE(FS_SIZE);
dprintf(("formatting %d s=%u, cs=%d\n", cidx, FS_SIZE, (int) fsc_size));
m->cidx = cidx;
r = fs_create_container(cidx, FS_SIZE);
if (r < 0) goto out;
m->fh = r;
m->valid = m->rw = m->formatting = 1;
/* Touch a byte at the end to open a "hole". */
r = sl_FsWrite(m->fh, fsc_size - 1, (_u8 *) "\xff", 1);
dprintf(("write 1 @ %d %d\n", (int) (fsc_size - 1), (int) r));
if (r != 1) goto out_close;
/* There must be a mount attempt before format. It'll fail and that's ok. */
r = fs_mount_spiffs(m, FS_SIZE, FS_BLOCK_SIZE, FS_PAGE_SIZE);
dprintf(("mount: %d\n", (int) r));
r = SPIFFS_format(&m->fs);
dprintf(("format: %d\n", (int) r));
if (r != SPIFFS_OK) goto out_close;
m->seq = INITIAL_SEQ;
r = fs_write_meta(m);
out_close:
sl_FsClose(m->fh, NULL, NULL, 0);
out:
m->fh = -1;
m->valid = m->formatting = m->rw = 0;
return r;
}
static int fs_mount(int cidx, struct mount_info *m) {
int r;
struct fs_info fsi;
memset(m, 0, sizeof(*m));
m->fh = -1;
dprintf(("mounting %d\n", cidx));
m->cidx = cidx;
r = fs_get_info(cidx, &fsi);
if (r != 0) return r;
m->seq = fsi.seq;
m->valid = 1;
r = fs_mount_spiffs(m, FS_SIZE, FS_BLOCK_SIZE, FS_PAGE_SIZE);
dprintf(("mount %d: %d\n", cidx, r));
return r;
}
static int fs_mount_idx(const char *cpfx, int cidx, struct mount_info *m) {
int r;
struct fs_container_info fsi;
memset(m, 0, sizeof(*m));
m->fh = -1;
m->cidx = cidx;
r = fs_get_info(cpfx, cidx, &fsi);
if (r != 0) return r;
m->cpfx = strdup(cpfx);
m->seq = fsi.seq;
m->valid = 1;
LOG(LL_INFO, ("Mounting %s.%d 0x%llx", cpfx, cidx, fsi.seq));
r = fs_mount_spiffs(m, fsi.fs_size, fsi.fs_block_size, fsi.fs_page_size,
fsi.fs_erase_size);
DBG(("mount %d: %d %d", cidx, (int) r, (int) SPIFFS_errno(&m->fs)));
if (r < 0) {
LOG(LL_ERROR, ("Mount failed: %d", r));
}
return r;
}
