diff options
| -rw-r--r-- | sbin/geom/class/part/geom_part.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/sbin/geom/class/part/geom_part.c b/sbin/geom/class/part/geom_part.c index 81d0291..19d1502 100644 --- a/sbin/geom/class/part/geom_part.c +++ b/sbin/geom/class/part/geom_part.c @@ -416,7 +416,7 @@ gpart_autofill(struct gctl_req *req) struct gprovider *pp; off_t first, last, a_first; off_t size, start, a_lba; - off_t lba, len, alignment; + off_t lba, len, alignment, offset; uintmax_t grade; const char *s; int error, has_size, has_start, has_alignment; @@ -467,8 +467,6 @@ gpart_autofill(struct gctl_req *req) error = g_parse_lba(s, pp->lg_sectorsize, &size); if (error) errc(EXIT_FAILURE, error, "Invalid size param"); - if (size > alignment) - size = ALIGNDOWN(size, alignment); } s = gctl_get_ascii(req, "start"); @@ -478,22 +476,29 @@ gpart_autofill(struct gctl_req *req) error = g_parse_lba(s, pp->lg_sectorsize, &start); if (error) errc(EXIT_FAILURE, error, "Invalid start param"); - start = ALIGNUP(start, alignment); } /* No autofill necessary. */ if (has_size && has_start && !has_alignment) goto done; + /* Adjust parameters to offset value for better alignment */ + s = find_provcfg(pp, "offset"); + offset = (s == NULL) ? 0: + (off_t)strtoimax(s, NULL, 0) / pp->lg_sectorsize; + start = ALIGNUP(start + offset, alignment); + if (size + offset > alignment) + size = ALIGNDOWN(size + offset, alignment); + first = (off_t)strtoimax(find_geomcfg(gp, "first"), NULL, 0); last = (off_t)strtoimax(find_geomcfg(gp, "last"), NULL, 0); grade = ~0ULL; - a_first = ALIGNUP(first, alignment); - last = ALIGNDOWN(last, alignment); + a_first = ALIGNUP(first + offset, alignment); + last = ALIGNDOWN(last + offset, alignment); while ((pp = find_provider(gp, first)) != NULL) { s = find_provcfg(pp, "start"); lba = (off_t)strtoimax(s, NULL, 0); - a_lba = ALIGNDOWN(lba, alignment); + a_lba = ALIGNDOWN(lba + offset, alignment); if (first < a_lba && a_first < a_lba) { /* Free space [first, lba> */ len = a_lba - a_first; @@ -519,7 +524,7 @@ gpart_autofill(struct gctl_req *req) s = find_provcfg(pp, "end"); first = (off_t)strtoimax(s, NULL, 0) + 1; - a_first = ALIGNUP(first, alignment); + a_first = ALIGNUP(first + offset, alignment); } if (a_first <= last) { /* Free space [first-last] */ @@ -543,12 +548,11 @@ gpart_autofill(struct gctl_req *req) } } } - if (grade == ~0ULL) { geom_deletetree(&mesh); return (ENOSPC); } - + start -= offset; /* Return back to real offset */ done: snprintf(ssize, sizeof(ssize), "%jd", (intmax_t)size); gctl_change_param(req, "size", -1, ssize); |
