super-io.c (7468c4effc8c93464ec0fd4336494312bebb8033) super-io.c (8244f3209b5b49a6bde9921d7825af9f57161b23)
1// SPDX-License-Identifier: GPL-2.0
2
3#include "bcachefs.h"
4#include "btree_update_interior.h"
5#include "buckets.h"
6#include "checksum.h"
7#include "disk_groups.h"
8#include "ec.h"

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262 return "Bad minimum version";
263
264 if (sb->features[1] ||
265 (le64_to_cpu(sb->features[0]) & (~0ULL << BCH_FEATURE_NR)))
266 return "Filesystem has incompatible features";
267
268 block_size = le16_to_cpu(sb->block_size);
269
1// SPDX-License-Identifier: GPL-2.0
2
3#include "bcachefs.h"
4#include "btree_update_interior.h"
5#include "buckets.h"
6#include "checksum.h"
7#include "disk_groups.h"
8#include "ec.h"

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262 return "Bad minimum version";
263
264 if (sb->features[1] ||
265 (le64_to_cpu(sb->features[0]) & (~0ULL << BCH_FEATURE_NR)))
266 return "Filesystem has incompatible features";
267
268 block_size = le16_to_cpu(sb->block_size);
269
270 if (!is_power_of_2(block_size) ||
271 block_size > PAGE_SECTORS)
270 if (block_size > PAGE_SECTORS)
272 return "Bad block size";
273
274 if (bch2_is_zero(sb->user_uuid.b, sizeof(sb->user_uuid)))
275 return "Bad user UUID";
276
277 if (bch2_is_zero(sb->uuid.b, sizeof(sb->uuid)))
278 return "Bad internal UUID";
279

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305 return "Invalid metadata checksum type";
306
307 if (BCH_SB_COMPRESSION_TYPE(sb) >= BCH_COMPRESSION_OPT_NR)
308 return "Invalid compression type";
309
310 if (!BCH_SB_BTREE_NODE_SIZE(sb))
311 return "Btree node size not set";
312
271 return "Bad block size";
272
273 if (bch2_is_zero(sb->user_uuid.b, sizeof(sb->user_uuid)))
274 return "Bad user UUID";
275
276 if (bch2_is_zero(sb->uuid.b, sizeof(sb->uuid)))
277 return "Bad internal UUID";
278

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304 return "Invalid metadata checksum type";
305
306 if (BCH_SB_COMPRESSION_TYPE(sb) >= BCH_COMPRESSION_OPT_NR)
307 return "Invalid compression type";
308
309 if (!BCH_SB_BTREE_NODE_SIZE(sb))
310 return "Btree node size not set";
311
313 if (!is_power_of_2(BCH_SB_BTREE_NODE_SIZE(sb)))
314 return "Btree node size not a power of two";
315
316 if (BCH_SB_GC_RESERVE(sb) < 5)
317 return "gc reserve percentage too small";
318
319 if (!sb->time_precision ||
320 le32_to_cpu(sb->time_precision) > NSEC_PER_SEC)
321 return "invalid time precision";
322
323 /* validate layout */

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622
623 ret = -EINVAL;
624 goto err;
625
626got_super:
627 err = "Superblock block size smaller than device block size";
628 ret = -EINVAL;
629 if (le16_to_cpu(sb->sb->block_size) << 9 <
312 if (BCH_SB_GC_RESERVE(sb) < 5)
313 return "gc reserve percentage too small";
314
315 if (!sb->time_precision ||
316 le32_to_cpu(sb->time_precision) > NSEC_PER_SEC)
317 return "invalid time precision";
318
319 /* validate layout */

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618
619 ret = -EINVAL;
620 goto err;
621
622got_super:
623 err = "Superblock block size smaller than device block size";
624 ret = -EINVAL;
625 if (le16_to_cpu(sb->sb->block_size) << 9 <
630 bdev_logical_block_size(sb->bdev))
631 goto err;
626 bdev_logical_block_size(sb->bdev)) {
627 pr_err("error reading superblock: Superblock block size (%u) smaller than device block size (%u)",
628 le16_to_cpu(sb->sb->block_size) << 9,
629 bdev_logical_block_size(sb->bdev));
630 goto err_no_print;
631 }
632
633 ret = 0;
634 sb->have_layout = true;
635out:
636 pr_verbose_init(*opts, "ret %i", ret);
637 return ret;
638err:
632
633 ret = 0;
634 sb->have_layout = true;
635out:
636 pr_verbose_init(*opts, "ret %i", ret);
637 return ret;
638err:
639 bch2_free_super(sb);
640 pr_err("error reading superblock: %s", err);
639 pr_err("error reading superblock: %s", err);
640err_no_print:
641 bch2_free_super(sb);
641 goto out;
642}
643
644/* write superblock: */
645
646static void write_super_endio(struct bio *bio)
647{
648 struct bch_dev *ca = bio->bi_private;

--- 557 unchanged lines hidden --- 		642 goto out;
643}
644
645/* write superblock: */
646
647static void write_super_endio(struct bio *bio)
648{
649 struct bch_dev *ca = bio->bi_private;

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