diff options
Diffstat (limited to 'fs/exofs/ore.c')
| -rw-r--r-- | fs/exofs/ore.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/fs/exofs/ore.c b/fs/exofs/ore.c index dae884694bd9..92157b6971b3 100644 --- a/fs/exofs/ore.c +++ b/fs/exofs/ore.c @@ -675,8 +675,8 @@ static int _prepare_for_striping(struct ore_io_state *ios) si->cur_pg = si->unit_off / PAGE_SIZE; while (length) { - unsigned comp = dev - first_dev; - struct ore_per_dev_state *per_dev = &ios->per_dev[comp]; + struct ore_per_dev_state *per_dev = + &ios->per_dev[dev - first_dev]; unsigned cur_len, page_off = 0; if (!per_dev->length) { @@ -708,11 +708,9 @@ static int _prepare_for_striping(struct ore_io_state *ios) if (unlikely(ret)) goto out; - dev += mirrors_p1; - dev = (dev % devs_in_group) + first_dev; - length -= cur_len; + dev = ((dev + mirrors_p1) % devs_in_group) + first_dev; si->cur_comp = (si->cur_comp + 1) % group_width; if (unlikely((dev == si->par_dev) || (!length && ios->sp2d))) { if (!length && ios->sp2d) { @@ -721,11 +719,6 @@ static int _prepare_for_striping(struct ore_io_state *ios) */ dev = si->par_dev; } - if (ios->sp2d) - /* In writes cur_len just means if it's the - * last one. See _ore_add_parity_unit. - */ - cur_len = length; per_dev = &ios->per_dev[dev - first_dev]; if (!per_dev->length) { /* Only/always the parity unit of the first @@ -736,7 +729,11 @@ static int _prepare_for_striping(struct ore_io_state *ios) per_dev->offset = si->obj_offset - si->unit_off; } - ret = _ore_add_parity_unit(ios, si, per_dev, cur_len); + /* In writes cur_len just means if it's the + * last one. See _ore_add_parity_unit. + */ + ret = _ore_add_parity_unit(ios, si, per_dev, + ios->sp2d ? length : cur_len); if (unlikely(ret)) goto out; |