diff options
Diffstat (limited to 'fs/exofs/super.c')
| -rw-r--r-- | fs/exofs/super.c | 49 |
1 files changed, 3 insertions, 46 deletions
diff --git a/fs/exofs/super.c b/fs/exofs/super.c index bce3686f0aa0..057b237b8b69 100644 --- a/fs/exofs/super.c +++ b/fs/exofs/super.c @@ -480,7 +480,7 @@ static void exofs_put_super(struct super_block *sb) static int _read_and_match_data_map(struct exofs_sb_info *sbi, unsigned numdevs, struct exofs_device_table *dt) { - u64 stripe_length; + int ret; sbi->layout.stripe_unit = le64_to_cpu(dt->dt_data_map.cb_stripe_unit); @@ -493,50 +493,7 @@ static int _read_and_match_data_map(struct exofs_sb_info *sbi, unsigned numdevs, sbi->layout.raid_algorithm = le32_to_cpu(dt->dt_data_map.cb_raid_algorithm); -/* FIXME: Only raid0 for now. if not so, do not mount */ - if (sbi->layout.raid_algorithm != PNFS_OSD_RAID_0) { - EXOFS_ERR("Only RAID_0 for now\n"); - return -EINVAL; - } - if (numdevs < (sbi->layout.group_width * sbi->layout.mirrors_p1)) { - EXOFS_ERR("Data Map wrong, " - "numdevs=%d < group_width=%d * mirrors=%d\n", - numdevs, sbi->layout.group_width, - sbi->layout.mirrors_p1); - return -EINVAL; - } - - if (0 != (sbi->layout.stripe_unit & ~PAGE_MASK)) { - EXOFS_ERR("Stripe Unit(0x%llx)" - " must be Multples of PAGE_SIZE(0x%lx)\n", - _LLU(sbi->layout.stripe_unit), PAGE_SIZE); - return -EINVAL; - } - - if (sbi->layout.group_width) { - if (!sbi->layout.group_depth) { - EXOFS_ERR("group_depth == 0 && group_width != 0\n"); - return -EINVAL; - } - sbi->layout.group_count = numdevs / sbi->layout.mirrors_p1 / - sbi->layout.group_width; - } else { - if (sbi->layout.group_depth) { - printk(KERN_NOTICE "Warning: group_depth ignored " - "group_width == 0 && group_depth == %lld\n", - _LLU(sbi->layout.group_depth)); - } - sbi->layout.group_width = numdevs / sbi->layout.mirrors_p1; - sbi->layout.group_depth = -1; - sbi->layout.group_count = 1; - } - - stripe_length = (u64)sbi->layout.group_width * sbi->layout.stripe_unit; - if (stripe_length >= (1ULL << 32)) { - EXOFS_ERR("Total Stripe length(0x%llx)" - " >= 32bit is not supported\n", _LLU(stripe_length)); - return -EINVAL; - } + ret = ore_verify_layout(numdevs, &sbi->layout); EXOFS_DBGMSG("exofs: layout: " "num_comps=%u stripe_unit=0x%x group_width=%u " @@ -547,7 +504,7 @@ static int _read_and_match_data_map(struct exofs_sb_info *sbi, unsigned numdevs, _LLU(sbi->layout.group_depth), sbi->layout.mirrors_p1, sbi->layout.raid_algorithm); - return 0; + return ret; } static unsigned __ra_pages(struct ore_layout *layout) |