#include "super-io.h"
#include "super.h"
#include "vstructs.h"
+#include "counters.h"
#include <linux/backing-dev.h>
#include <linux/sort.h>
+#include <trace/events/bcachefs.h>
+
const char * const bch2_sb_fields[] = {
#define x(name, nr) #name,
BCH_SB_FIELDS()
void bch2_free_super(struct bch_sb_handle *sb)
{
- if (sb->bio)
- bio_put(sb->bio);
+ kfree(sb->bio);
if (!IS_ERR_OR_NULL(sb->bdev))
blkdev_put(sb->bdev, sb->mode);
u64 max_bytes = 512 << sb->sb->layout.sb_max_size_bits;
if (new_bytes > max_bytes) {
- char buf[BDEVNAME_SIZE];
-
- pr_err("%s: superblock too big: want %zu but have %llu",
- bdevname(sb->bdev, buf), new_bytes, max_bytes);
- return -ENOSPC;
+ pr_err("%pg: superblock too big: want %zu but have %llu",
+ sb->bdev, new_bytes, max_bytes);
+ return -BCH_ERR_ENOSPC_sb;
}
}
return -ENOMEM;
if (sb->have_bio) {
- bio = bio_kmalloc(GFP_KERNEL,
- DIV_ROUND_UP(new_buffer_size, PAGE_SIZE));
+ unsigned nr_bvecs = DIV_ROUND_UP(new_buffer_size, PAGE_SIZE);
+
+ bio = bio_kmalloc(nr_bvecs, GFP_KERNEL);
if (!bio)
return -ENOMEM;
- if (sb->bio)
- bio_put(sb->bio);
+ bio_init(bio, NULL, bio->bi_inline_vecs, nr_bvecs, 0);
+
+ kfree(sb->bio);
sb->bio = bio;
}
u64 offset, prev_offset, max_sectors;
unsigned i;
- if (uuid_le_cmp(layout->magic, BCACHE_MAGIC)) {
- pr_buf(out, "Not a bcachefs superblock layout");
- return -EINVAL;
+ if (uuid_le_cmp(layout->magic, BCACHE_MAGIC) &&
+ uuid_le_cmp(layout->magic, BCHFS_MAGIC)) {
+ prt_printf(out, "Not a bcachefs superblock layout");
+ return -BCH_ERR_invalid_sb_layout;
}
if (layout->layout_type != 0) {
- pr_buf(out, "Invalid superblock layout type %u",
+ prt_printf(out, "Invalid superblock layout type %u",
layout->layout_type);
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_layout_type;
}
if (!layout->nr_superblocks) {
- pr_buf(out, "Invalid superblock layout: no superblocks");
- return -EINVAL;
+ prt_printf(out, "Invalid superblock layout: no superblocks");
+ return -BCH_ERR_invalid_sb_layout_nr_superblocks;
}
if (layout->nr_superblocks > ARRAY_SIZE(layout->sb_offset)) {
- pr_buf(out, "Invalid superblock layout: too many superblocks");
- return -EINVAL;
+ prt_printf(out, "Invalid superblock layout: too many superblocks");
+ return -BCH_ERR_invalid_sb_layout_nr_superblocks;
}
max_sectors = 1 << layout->sb_max_size_bits;
offset = le64_to_cpu(layout->sb_offset[i]);
if (offset < prev_offset + max_sectors) {
- pr_buf(out, "Invalid superblock layout: superblocks overlap\n"
+ prt_printf(out, "Invalid superblock layout: superblocks overlap\n"
" (sb %u ends at %llu next starts at %llu",
i - 1, prev_offset + max_sectors, offset);
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_layout_superblocks_overlap;
}
prev_offset = offset;
}
: version;
if (version >= bcachefs_metadata_version_max) {
- pr_buf(out, "Unsupported superblock version %u (min %u, max %u)",
+ prt_printf(out, "Unsupported superblock version %u (min %u, max %u)",
version, bcachefs_metadata_version_min, bcachefs_metadata_version_max);
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_version;
}
if (version_min < bcachefs_metadata_version_min) {
- pr_buf(out, "Unsupported superblock version %u (min %u, max %u)",
+ prt_printf(out, "Unsupported superblock version %u (min %u, max %u)",
version_min, bcachefs_metadata_version_min, bcachefs_metadata_version_max);
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_version;
}
if (version_min > version) {
- pr_buf(out, "Bad minimum version %u, greater than version field %u",
+ prt_printf(out, "Bad minimum version %u, greater than version field %u",
version_min, version);
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_version;
}
if (sb->features[1] ||
(le64_to_cpu(sb->features[0]) & (~0ULL << BCH_FEATURE_NR))) {
- pr_buf(out, "Filesystem has incompatible features");
- return -EINVAL;
+ prt_printf(out, "Filesystem has incompatible features");
+ return -BCH_ERR_invalid_sb_features;
}
block_size = le16_to_cpu(sb->block_size);
if (block_size > PAGE_SECTORS) {
- pr_buf(out, "Block size too big (got %u, max %u)",
+ prt_printf(out, "Block size too big (got %u, max %u)",
block_size, PAGE_SECTORS);
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_block_size;
}
if (bch2_is_zero(sb->user_uuid.b, sizeof(uuid_le))) {
- pr_buf(out, "Bad user UUID (got zeroes)");
- return -EINVAL;
+ prt_printf(out, "Bad user UUID (got zeroes)");
+ return -BCH_ERR_invalid_sb_uuid;
}
if (bch2_is_zero(sb->uuid.b, sizeof(uuid_le))) {
- pr_buf(out, "Bad intenal UUID (got zeroes)");
- return -EINVAL;
+ prt_printf(out, "Bad intenal UUID (got zeroes)");
+ return -BCH_ERR_invalid_sb_uuid;
}
if (!sb->nr_devices ||
sb->nr_devices > BCH_SB_MEMBERS_MAX) {
- pr_buf(out, "Bad number of member devices %u (max %u)",
+ prt_printf(out, "Bad number of member devices %u (max %u)",
sb->nr_devices, BCH_SB_MEMBERS_MAX);
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_too_many_members;
}
if (sb->dev_idx >= sb->nr_devices) {
- pr_buf(out, "Bad dev_idx (got %u, nr_devices %u)",
+ prt_printf(out, "Bad dev_idx (got %u, nr_devices %u)",
sb->dev_idx, sb->nr_devices);
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_dev_idx;
}
if (!sb->time_precision ||
le32_to_cpu(sb->time_precision) > NSEC_PER_SEC) {
- pr_buf(out, "Invalid time precision: %u (min 1, max %lu)",
+ prt_printf(out, "Invalid time precision: %u (min 1, max %lu)",
le32_to_cpu(sb->time_precision), NSEC_PER_SEC);
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_time_precision;
}
if (rw == READ) {
if (opt->get_sb != BCH2_NO_SB_OPT) {
u64 v = bch2_opt_from_sb(sb, opt_id);
- pr_buf(out, "Invalid option ");
+ prt_printf(out, "Invalid option ");
ret = bch2_opt_validate(opt, v, out);
if (ret)
return ret;
vstruct_for_each(sb, f) {
if (!f->u64s) {
- pr_buf(out, "Invalid superblock: optional with size 0 (type %u)",
+ prt_printf(out, "Invalid superblock: optional field with size 0 (type %u)",
le32_to_cpu(f->type));
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_field_size;
}
if (vstruct_next(f) > vstruct_last(sb)) {
- pr_buf(out, "Invalid superblock: optional field extends past end of superblock (type %u)",
+ prt_printf(out, "Invalid superblock: optional field extends past end of superblock (type %u)",
le32_to_cpu(f->type));
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_field_size;
}
}
/* members must be validated first: */
mi = bch2_sb_get_members(sb);
if (!mi) {
- pr_buf(out, "Invalid superblock: member info area missing");
- return -EINVAL;
+ prt_printf(out, "Invalid superblock: member info area missing");
+ return -BCH_ERR_invalid_sb_members_missing;
}
ret = bch2_sb_field_validate(sb, &mi->field, out);
ca->mi = bch2_mi_to_cpu(mi->members + i);
}
-static void __copy_super(struct bch_sb_handle *dst_handle, struct bch_sb *src)
+static int __copy_super(struct bch_sb_handle *dst_handle, struct bch_sb *src)
{
struct bch_sb_field *src_f, *dst_f;
struct bch_sb *dst = dst_handle->sb;
memcpy(dst->compat, src->compat, sizeof(dst->compat));
for (i = 0; i < BCH_SB_FIELD_NR; i++) {
+ int d;
+
if ((1U << i) & BCH_SINGLE_DEVICE_SB_FIELDS)
continue;
src_f = bch2_sb_field_get(src, i);
dst_f = bch2_sb_field_get(dst, i);
+
+ d = (src_f ? le32_to_cpu(src_f->u64s) : 0) -
+ (dst_f ? le32_to_cpu(dst_f->u64s) : 0);
+ if (d > 0) {
+ int ret = bch2_sb_realloc(dst_handle, le32_to_cpu(dst_handle->sb->u64s) + d);
+ if (ret)
+ return ret;
+
+ dst = dst_handle->sb;
+ dst_f = bch2_sb_field_get(dst, i);
+ }
+
dst_f = __bch2_sb_field_resize(dst_handle, dst_f,
src_f ? le32_to_cpu(src_f->u64s) : 0);
if (src_f)
memcpy(dst_f, src_f, vstruct_bytes(src_f));
}
+
+ return 0;
}
int bch2_sb_to_fs(struct bch_fs *c, struct bch_sb *src)
{
- struct bch_sb_field_journal *journal_buckets =
- bch2_sb_get_journal(src);
- unsigned journal_u64s = journal_buckets
- ? le32_to_cpu(journal_buckets->field.u64s)
- : 0;
int ret;
lockdep_assert_held(&c->sb_lock);
- ret = bch2_sb_realloc(&c->disk_sb,
- le32_to_cpu(src->u64s) - journal_u64s);
- if (ret)
- return ret;
-
- __copy_super(&c->disk_sb, src);
-
- ret = bch2_sb_replicas_to_cpu_replicas(c);
- if (ret)
- return ret;
-
- ret = bch2_sb_disk_groups_to_cpu(c);
+ ret = bch2_sb_realloc(&c->disk_sb, 0) ?:
+ __copy_super(&c->disk_sb, src) ?:
+ bch2_sb_replicas_to_cpu_replicas(c) ?:
+ bch2_sb_disk_groups_to_cpu(c);
if (ret)
return ret;
int bch2_sb_from_fs(struct bch_fs *c, struct bch_dev *ca)
{
- struct bch_sb *src = c->disk_sb.sb, *dst = ca->disk_sb.sb;
- struct bch_sb_field_journal *journal_buckets =
- bch2_sb_get_journal(dst);
- unsigned journal_u64s = journal_buckets
- ? le32_to_cpu(journal_buckets->field.u64s)
- : 0;
- unsigned u64s = le32_to_cpu(src->u64s) + journal_u64s;
- int ret;
-
- ret = bch2_sb_realloc(&ca->disk_sb, u64s);
- if (ret)
- return ret;
-
- __copy_super(&ca->disk_sb, src);
- return 0;
+ return __copy_super(&ca->disk_sb, c->disk_sb.sb);
}
/* read superblock: */
size_t bytes;
int ret;
reread:
- bio_reset(sb->bio);
- bio_set_dev(sb->bio, sb->bdev);
+ bio_reset(sb->bio, sb->bdev, REQ_OP_READ|REQ_SYNC|REQ_META);
sb->bio->bi_iter.bi_sector = offset;
- bio_set_op_attrs(sb->bio, REQ_OP_READ, REQ_SYNC|REQ_META);
bch2_bio_map(sb->bio, sb->sb, sb->buffer_size);
ret = submit_bio_wait(sb->bio);
if (ret) {
- pr_buf(err, "IO error: %i", ret);
+ prt_printf(err, "IO error: %i", ret);
return ret;
}
- if (uuid_le_cmp(sb->sb->magic, BCACHE_MAGIC)) {
- pr_buf(err, "Not a bcachefs superblock");
- return -EINVAL;
+ if (uuid_le_cmp(sb->sb->magic, BCACHE_MAGIC) &&
+ uuid_le_cmp(sb->sb->magic, BCHFS_MAGIC)) {
+ prt_printf(err, "Not a bcachefs superblock");
+ return -BCH_ERR_invalid_sb_magic;
}
version = le16_to_cpu(sb->sb->version);
: version;
if (version >= bcachefs_metadata_version_max) {
- pr_buf(err, "Unsupported superblock version %u (min %u, max %u)",
+ prt_printf(err, "Unsupported superblock version %u (min %u, max %u)",
version, bcachefs_metadata_version_min, bcachefs_metadata_version_max);
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_version;
}
if (version_min < bcachefs_metadata_version_min) {
- pr_buf(err, "Unsupported superblock version %u (min %u, max %u)",
+ prt_printf(err, "Unsupported superblock version %u (min %u, max %u)",
version_min, bcachefs_metadata_version_min, bcachefs_metadata_version_max);
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_version;
}
bytes = vstruct_bytes(sb->sb);
if (bytes > 512 << sb->sb->layout.sb_max_size_bits) {
- pr_buf(err, "Invalid superblock: too big (got %zu bytes, layout max %lu)",
+ prt_printf(err, "Invalid superblock: too big (got %zu bytes, layout max %lu)",
bytes, 512UL << sb->sb->layout.sb_max_size_bits);
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_too_big;
}
if (bytes > sb->buffer_size) {
}
if (BCH_SB_CSUM_TYPE(sb->sb) >= BCH_CSUM_NR) {
- pr_buf(err, "unknown checksum type %llu", BCH_SB_CSUM_TYPE(sb->sb));
- return -EINVAL;
+ prt_printf(err, "unknown checksum type %llu", BCH_SB_CSUM_TYPE(sb->sb));
+ return -BCH_ERR_invalid_sb_csum_type;
}
/* XXX: verify MACs */
null_nonce(), sb->sb);
if (bch2_crc_cmp(csum, sb->sb->csum)) {
- pr_buf(err, "bad checksum");
- return -EINVAL;
+ prt_printf(err, "bad checksum");
+ return -BCH_ERR_invalid_sb_csum;
}
sb->seq = le64_to_cpu(sb->sb->seq);
ret = bch2_sb_realloc(sb, 0);
if (ret) {
- pr_buf(&err, "error allocating memory for superblock");
+ prt_printf(&err, "error allocating memory for superblock");
goto err;
}
if (bch2_fs_init_fault("read_super")) {
- pr_buf(&err, "dynamic fault");
+ prt_printf(&err, "dynamic fault");
ret = -EFAULT;
goto err;
}
* Error reading primary superblock - read location of backup
* superblocks:
*/
- bio_reset(sb->bio);
- bio_set_dev(sb->bio, sb->bdev);
+ bio_reset(sb->bio, sb->bdev, REQ_OP_READ|REQ_SYNC|REQ_META);
sb->bio->bi_iter.bi_sector = BCH_SB_LAYOUT_SECTOR;
- bio_set_op_attrs(sb->bio, REQ_OP_READ, REQ_SYNC|REQ_META);
/*
* use sb buffer to read layout, since sb buffer is page aligned but
* layout won't be:
ret = submit_bio_wait(sb->bio);
if (ret) {
- pr_buf(&err, "IO error: %i", ret);
+ prt_printf(&err, "IO error: %i", ret);
goto err;
}
got_super:
if (le16_to_cpu(sb->sb->block_size) << 9 <
bdev_logical_block_size(sb->bdev)) {
- pr_buf(&err, "block size (%u) smaller than device block size (%u)",
+ prt_printf(&err, "block size (%u) smaller than device block size (%u)",
le16_to_cpu(sb->sb->block_size) << 9,
bdev_logical_block_size(sb->bdev));
- ret = -EINVAL;
+ ret = -BCH_ERR_block_size_too_small;
goto err;
}
struct bch_sb *sb = ca->disk_sb.sb;
struct bio *bio = ca->disk_sb.bio;
- bio_reset(bio);
- bio_set_dev(bio, ca->disk_sb.bdev);
+ bio_reset(bio, ca->disk_sb.bdev, REQ_OP_READ|REQ_SYNC|REQ_META);
bio->bi_iter.bi_sector = le64_to_cpu(sb->layout.sb_offset[0]);
bio->bi_end_io = write_super_endio;
bio->bi_private = ca;
- bio_set_op_attrs(bio, REQ_OP_READ, REQ_SYNC|REQ_META);
bch2_bio_map(bio, ca->sb_read_scratch, PAGE_SIZE);
this_cpu_add(ca->io_done->sectors[READ][BCH_DATA_sb],
sb->csum = csum_vstruct(c, BCH_SB_CSUM_TYPE(sb),
null_nonce(), sb);
- bio_reset(bio);
- bio_set_dev(bio, ca->disk_sb.bdev);
+ bio_reset(bio, ca->disk_sb.bdev, REQ_OP_WRITE|REQ_SYNC|REQ_META);
bio->bi_iter.bi_sector = le64_to_cpu(sb->offset);
bio->bi_end_io = write_super_endio;
bio->bi_private = ca;
- bio_set_op_attrs(bio, REQ_OP_WRITE, REQ_SYNC|REQ_META);
bch2_bio_map(bio, sb,
roundup((size_t) vstruct_bytes(sb),
bdev_logical_block_size(ca->disk_sb.bdev)));
unsigned degraded_flags = BCH_FORCE_IF_DEGRADED;
int ret = 0;
+ trace_and_count(c, write_super, c, _RET_IP_);
+
if (c->opts.very_degraded)
degraded_flags |= BCH_FORCE_IF_LOST;
closure_init_stack(cl);
memset(&sb_written, 0, sizeof(sb_written));
+ if (c->opts.version_upgrade) {
+ c->disk_sb.sb->magic = BCHFS_MAGIC;
+ c->disk_sb.sb->layout.magic = BCHFS_MAGIC;
+ }
+
le64_add_cpu(&c->disk_sb.sb->seq, 1);
if (test_bit(BCH_FS_ERROR, &c->flags))
SET_BCH_SB_BIG_ENDIAN(c->disk_sb.sb, CPU_BIG_ENDIAN);
+ bch2_sb_counters_from_cpu(c);
+
for_each_online_member(ca, c, i)
bch2_sb_from_fs(c, ca);
if (c->opts.nochanges)
goto out;
+ /*
+ * Defer writing the superblock until filesystem initialization is
+ * complete - don't write out a partly initialized superblock:
+ */
+ if (!BCH_SB_INITIALIZED(c->disk_sb.sb))
+ goto out;
+
for_each_online_member(ca, c, i) {
__set_bit(ca->dev_idx, sb_written.d);
ca->sb_write_error = 0;
le64_to_cpu(ca->sb_read_scratch->seq),
ca->disk_sb.seq);
percpu_ref_put(&ca->io_ref);
- ret = -EROFS;
+ ret = -BCH_ERR_erofs_sb_err;
goto out;
}
le64_to_cpu(ca->sb_read_scratch->seq),
ca->disk_sb.seq);
percpu_ref_put(&ca->io_ref);
- ret = -EROFS;
+ ret = -BCH_ERR_erofs_sb_err;
goto out;
}
}
if ((void *) (mi->members + sb->nr_devices) >
vstruct_end(&mi->field)) {
- pr_buf(err, "too many devices for section size");
- return -EINVAL;
+ prt_printf(err, "too many devices for section size");
+ return -BCH_ERR_invalid_sb_members;
}
for (i = 0; i < sb->nr_devices; i++) {
continue;
if (le64_to_cpu(m->nbuckets) > LONG_MAX) {
- pr_buf(err, "device %u: too many buckets (got %llu, max %lu)",
+ prt_printf(err, "device %u: too many buckets (got %llu, max %lu)",
i, le64_to_cpu(m->nbuckets), LONG_MAX);
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_members;
}
if (le64_to_cpu(m->nbuckets) -
le16_to_cpu(m->first_bucket) < BCH_MIN_NR_NBUCKETS) {
- pr_buf(err, "device %u: not enough buckets (got %llu, max %u)",
+ prt_printf(err, "device %u: not enough buckets (got %llu, max %u)",
i, le64_to_cpu(m->nbuckets), BCH_MIN_NR_NBUCKETS);
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_members;
}
if (le16_to_cpu(m->bucket_size) <
le16_to_cpu(sb->block_size)) {
- pr_buf(err, "device %u: bucket size %u smaller than block size %u",
+ prt_printf(err, "device %u: bucket size %u smaller than block size %u",
i, le16_to_cpu(m->bucket_size), le16_to_cpu(sb->block_size));
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_members;
}
if (le16_to_cpu(m->bucket_size) <
BCH_SB_BTREE_NODE_SIZE(sb)) {
- pr_buf(err, "device %u: bucket size %u smaller than btree node size %llu",
+ prt_printf(err, "device %u: bucket size %u smaller than btree node size %llu",
i, le16_to_cpu(m->bucket_size), BCH_SB_BTREE_NODE_SIZE(sb));
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_members;
}
}
if (!bch2_member_exists(m))
continue;
- pr_buf(out, "Device:");
- pr_tab(out);
- pr_buf(out, "%u", i);
- pr_newline(out);
+ prt_printf(out, "Device:");
+ prt_tab(out);
+ prt_printf(out, "%u", i);
+ prt_newline(out);
- pr_indent_push(out, 2);
+ printbuf_indent_add(out, 2);
- pr_buf(out, "UUID:");
- pr_tab(out);
+ prt_printf(out, "UUID:");
+ prt_tab(out);
pr_uuid(out, m->uuid.b);
- pr_newline(out);
-
- pr_buf(out, "Size:");
- pr_tab(out);
- pr_units(out, device_size, device_size << 9);
- pr_newline(out);
-
- pr_buf(out, "Bucket size:");
- pr_tab(out);
- pr_units(out, bucket_size, bucket_size << 9);
- pr_newline(out);
-
- pr_buf(out, "First bucket:");
- pr_tab(out);
- pr_buf(out, "%u", le16_to_cpu(m->first_bucket));
- pr_newline(out);
-
- pr_buf(out, "Buckets:");
- pr_tab(out);
- pr_buf(out, "%llu", le64_to_cpu(m->nbuckets));
- pr_newline(out);
-
- pr_buf(out, "Last mount:");
- pr_tab(out);
+ prt_newline(out);
+
+ prt_printf(out, "Size:");
+ prt_tab(out);
+ prt_units_u64(out, device_size << 9);
+ prt_newline(out);
+
+ prt_printf(out, "Bucket size:");
+ prt_tab(out);
+ prt_units_u64(out, bucket_size << 9);
+ prt_newline(out);
+
+ prt_printf(out, "First bucket:");
+ prt_tab(out);
+ prt_printf(out, "%u", le16_to_cpu(m->first_bucket));
+ prt_newline(out);
+
+ prt_printf(out, "Buckets:");
+ prt_tab(out);
+ prt_printf(out, "%llu", le64_to_cpu(m->nbuckets));
+ prt_newline(out);
+
+ prt_printf(out, "Last mount:");
+ prt_tab(out);
if (m->last_mount)
pr_time(out, le64_to_cpu(m->last_mount));
else
- pr_buf(out, "(never)");
- pr_newline(out);
+ prt_printf(out, "(never)");
+ prt_newline(out);
- pr_buf(out, "State:");
- pr_tab(out);
- pr_buf(out, "%s",
+ prt_printf(out, "State:");
+ prt_tab(out);
+ prt_printf(out, "%s",
BCH_MEMBER_STATE(m) < BCH_MEMBER_STATE_NR
? bch2_member_states[BCH_MEMBER_STATE(m)]
: "unknown");
- pr_newline(out);
+ prt_newline(out);
- pr_buf(out, "Group:");
- pr_tab(out);
+ prt_printf(out, "Label:");
+ prt_tab(out);
if (BCH_MEMBER_GROUP(m)) {
unsigned idx = BCH_MEMBER_GROUP(m) - 1;
if (idx < disk_groups_nr(gi))
- pr_buf(out, "%s (%u)",
+ prt_printf(out, "%s (%u)",
gi->entries[idx].label, idx);
else
- pr_buf(out, "(bad disk labels section)");
+ prt_printf(out, "(bad disk labels section)");
} else {
- pr_buf(out, "(none)");
+ prt_printf(out, "(none)");
}
- pr_newline(out);
+ prt_newline(out);
- pr_buf(out, "Data allowed:");
- pr_tab(out);
+ prt_printf(out, "Data allowed:");
+ prt_tab(out);
if (BCH_MEMBER_DATA_ALLOWED(m))
- bch2_flags_to_text(out, bch2_data_types,
- BCH_MEMBER_DATA_ALLOWED(m));
+ prt_bitflags(out, bch2_data_types, BCH_MEMBER_DATA_ALLOWED(m));
else
- pr_buf(out, "(none)");
- pr_newline(out);
+ prt_printf(out, "(none)");
+ prt_newline(out);
- pr_buf(out, "Has data:");
- pr_tab(out);
+ prt_printf(out, "Has data:");
+ prt_tab(out);
if (data_have)
- bch2_flags_to_text(out, bch2_data_types, data_have);
+ prt_bitflags(out, bch2_data_types, data_have);
else
- pr_buf(out, "(none)");
- pr_newline(out);
+ prt_printf(out, "(none)");
+ prt_newline(out);
- pr_buf(out, "Discard:");
- pr_tab(out);
- pr_buf(out, "%llu", BCH_MEMBER_DISCARD(m));
- pr_newline(out);
+ prt_printf(out, "Discard:");
+ prt_tab(out);
+ prt_printf(out, "%llu", BCH_MEMBER_DISCARD(m));
+ prt_newline(out);
- pr_buf(out, "Freespace initialized:");
- pr_tab(out);
- pr_buf(out, "%llu", BCH_MEMBER_FREESPACE_INITIALIZED(m));
- pr_newline(out);
+ prt_printf(out, "Freespace initialized:");
+ prt_tab(out);
+ prt_printf(out, "%llu", BCH_MEMBER_FREESPACE_INITIALIZED(m));
+ prt_newline(out);
- pr_indent_pop(out, 2);
+ printbuf_indent_sub(out, 2);
}
}
struct bch_sb_field_crypt *crypt = field_to_type(f, crypt);
if (vstruct_bytes(&crypt->field) < sizeof(*crypt)) {
- pr_buf(err, "wrong size (got %zu should be %zu)",
+ prt_printf(err, "wrong size (got %zu should be %zu)",
vstruct_bytes(&crypt->field), sizeof(*crypt));
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_crypt;
}
if (BCH_CRYPT_KDF_TYPE(crypt)) {
- pr_buf(err, "bad kdf type %llu", BCH_CRYPT_KDF_TYPE(crypt));
- return -EINVAL;
+ prt_printf(err, "bad kdf type %llu", BCH_CRYPT_KDF_TYPE(crypt));
+ return -BCH_ERR_invalid_sb_crypt;
}
return 0;
{
struct bch_sb_field_crypt *crypt = field_to_type(f, crypt);
- pr_buf(out, "KFD: %llu", BCH_CRYPT_KDF_TYPE(crypt));
- pr_newline(out);
- pr_buf(out, "scrypt n: %llu", BCH_KDF_SCRYPT_N(crypt));
- pr_newline(out);
- pr_buf(out, "scrypt r: %llu", BCH_KDF_SCRYPT_R(crypt));
- pr_newline(out);
- pr_buf(out, "scrypt p: %llu", BCH_KDF_SCRYPT_P(crypt));
- pr_newline(out);
+ prt_printf(out, "KFD: %llu", BCH_CRYPT_KDF_TYPE(crypt));
+ prt_newline(out);
+ prt_printf(out, "scrypt n: %llu", BCH_KDF_SCRYPT_N(crypt));
+ prt_newline(out);
+ prt_printf(out, "scrypt r: %llu", BCH_KDF_SCRYPT_R(crypt));
+ prt_newline(out);
+ prt_printf(out, "scrypt p: %llu", BCH_KDF_SCRYPT_P(crypt));
+ prt_newline(out);
}
static const struct bch_sb_field_ops bch_sb_field_ops_crypt = {
for (entry = clean->start;
entry < (struct jset_entry *) vstruct_end(&clean->field);
entry = vstruct_next(entry)) {
- ret = bch2_journal_entry_validate(c, "superblock", entry,
+ ret = bch2_journal_entry_validate(c, NULL, entry,
le16_to_cpu(c->disk_sb.sb->version),
BCH_SB_BIG_ENDIAN(c->disk_sb.sb),
write);
u->entry.type = BCH_JSET_ENTRY_data_usage;
u->v = cpu_to_le64(c->usage_base->replicas[i]);
- memcpy(&u->r, e, replicas_entry_bytes(e));
+ unsafe_memcpy(&u->r, e, replicas_entry_bytes(e),
+ "embedded variable length struct");
}
for_each_member_device(ca, c, dev) {
u->entry.type = BCH_JSET_ENTRY_dev_usage;
u->dev = cpu_to_le32(dev);
u->buckets_ec = cpu_to_le64(ca->usage_base->buckets_ec);
- u->buckets_unavailable = cpu_to_le64(ca->usage_base->buckets_unavailable);
for (i = 0; i < BCH_DATA_NR; i++) {
u->d[i].buckets = cpu_to_le64(ca->usage_base->d[i].buckets);
struct bch_sb_field_clean *clean = field_to_type(f, clean);
if (vstruct_bytes(&clean->field) < sizeof(*clean)) {
- pr_buf(err, "wrong size (got %zu should be %zu)",
+ prt_printf(err, "wrong size (got %zu should be %zu)",
vstruct_bytes(&clean->field), sizeof(*clean));
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_clean;
}
return 0;
struct bch_sb_field_clean *clean = field_to_type(f, clean);
struct jset_entry *entry;
- pr_buf(out, "flags: %x", le32_to_cpu(clean->flags));
- pr_newline(out);
- pr_buf(out, "journal_seq: %llu", le64_to_cpu(clean->journal_seq));
- pr_newline(out);
+ prt_printf(out, "flags: %x", le32_to_cpu(clean->flags));
+ prt_newline(out);
+ prt_printf(out, "journal_seq: %llu", le64_to_cpu(clean->journal_seq));
+ prt_newline(out);
for (entry = clean->start;
entry != vstruct_end(&clean->field);
continue;
bch2_journal_entry_to_text(out, NULL, entry);
- pr_newline(out);
+ prt_newline(out);
}
}
ret = bch2_sb_field_ops[type]->validate(sb, f, &field_err);
if (ret) {
- pr_buf(err, "Invalid superblock section %s: %s",
+ prt_printf(err, "Invalid superblock section %s: %s",
bch2_sb_fields[type],
field_err.buf);
- pr_newline(err);
+ prt_newline(err);
bch2_sb_field_to_text(err, sb, f);
}
const struct bch_sb_field_ops *ops = type < BCH_SB_FIELD_NR
? bch2_sb_field_ops[type] : NULL;
- if (!out->tabstops[0])
- out->tabstops[0] = 32;
+ if (!out->nr_tabstops)
+ printbuf_tabstop_push(out, 32);
if (ops)
- pr_buf(out, "%s", bch2_sb_fields[type]);
+ prt_printf(out, "%s", bch2_sb_fields[type]);
else
- pr_buf(out, "(unknown field %u)", type);
+ prt_printf(out, "(unknown field %u)", type);
- pr_buf(out, " (size %zu):", vstruct_bytes(f));
- pr_newline(out);
+ prt_printf(out, " (size %zu):", vstruct_bytes(f));
+ prt_newline(out);
if (ops && ops->to_text) {
- pr_indent_push(out, 2);
+ printbuf_indent_add(out, 2);
bch2_sb_field_ops[type]->to_text(out, sb, f);
- pr_indent_pop(out, 2);
+ printbuf_indent_sub(out, 2);
}
}
{
unsigned i;
- pr_buf(out, "Type: %u", l->layout_type);
- pr_newline(out);
+ prt_printf(out, "Type: %u", l->layout_type);
+ prt_newline(out);
- pr_buf(out, "Superblock max size: ");
- pr_units(out,
- 1 << l->sb_max_size_bits,
- 512 << l->sb_max_size_bits);
- pr_newline(out);
+ prt_str(out, "Superblock max size: ");
+ prt_units_u64(out, 512 << l->sb_max_size_bits);
+ prt_newline(out);
- pr_buf(out, "Nr superblocks: %u", l->nr_superblocks);
- pr_newline(out);
+ prt_printf(out, "Nr superblocks: %u", l->nr_superblocks);
+ prt_newline(out);
- pr_buf(out, "Offsets: ");
+ prt_str(out, "Offsets: ");
for (i = 0; i < l->nr_superblocks; i++) {
if (i)
- pr_buf(out, ", ");
- pr_buf(out, "%llu", le64_to_cpu(l->sb_offset[i]));
+ prt_str(out, ", ");
+ prt_printf(out, "%llu", le64_to_cpu(l->sb_offset[i]));
}
- pr_newline(out);
+ prt_newline(out);
}
void bch2_sb_to_text(struct printbuf *out, struct bch_sb *sb,
u64 fields_have = 0;
unsigned nr_devices = 0;
- if (!out->tabstops[0])
- out->tabstops[0] = 32;
+ if (!out->nr_tabstops)
+ printbuf_tabstop_push(out, 44);
mi = bch2_sb_get_members(sb);
if (mi) {
nr_devices += bch2_member_exists(m);
}
- pr_buf(out, "External UUID:");
- pr_tab(out);
+ prt_printf(out, "External UUID:");
+ prt_tab(out);
pr_uuid(out, sb->user_uuid.b);
- pr_newline(out);
+ prt_newline(out);
- pr_buf(out, "Internal UUID:");
- pr_tab(out);
+ prt_printf(out, "Internal UUID:");
+ prt_tab(out);
pr_uuid(out, sb->uuid.b);
- pr_newline(out);
-
- pr_buf(out, "Device index:");
- pr_tab(out);
- pr_buf(out, "%u", sb->dev_idx);
- pr_newline(out);
-
- pr_buf(out, "Label:");
- pr_tab(out);
- pr_buf(out, "%.*s", (int) sizeof(sb->label), sb->label);
- pr_newline(out);
-
- pr_buf(out, "Version:");
- pr_tab(out);
- pr_buf(out, "%s", bch2_metadata_versions[le16_to_cpu(sb->version)]);
- pr_newline(out);
-
- pr_buf(out, "Oldest version on disk:");
- pr_tab(out);
- pr_buf(out, "%s", bch2_metadata_versions[le16_to_cpu(sb->version_min)]);
- pr_newline(out);
-
- pr_buf(out, "Created:");
- pr_tab(out);
+ prt_newline(out);
+
+ prt_str(out, "Device index:");
+ prt_tab(out);
+ prt_printf(out, "%u", sb->dev_idx);
+ prt_newline(out);
+
+ prt_str(out, "Label:");
+ prt_tab(out);
+ prt_printf(out, "%.*s", (int) sizeof(sb->label), sb->label);
+ prt_newline(out);
+
+ prt_str(out, "Version:");
+ prt_tab(out);
+ prt_printf(out, "%s", bch2_metadata_versions[le16_to_cpu(sb->version)]);
+ prt_newline(out);
+
+ prt_printf(out, "Oldest version on disk:");
+ prt_tab(out);
+ prt_printf(out, "%s", bch2_metadata_versions[le16_to_cpu(sb->version_min)]);
+ prt_newline(out);
+
+ prt_printf(out, "Created:");
+ prt_tab(out);
if (sb->time_base_lo)
pr_time(out, div_u64(le64_to_cpu(sb->time_base_lo), NSEC_PER_SEC));
else
- pr_buf(out, "(not set)");
- pr_newline(out);
-
- pr_buf(out, "Sequence number:");
- pr_tab(out);
- pr_buf(out, "%llu", le64_to_cpu(sb->seq));
- pr_newline(out);
-
- pr_buf(out, "Superblock size:");
- pr_tab(out);
- pr_buf(out, "%zu", vstruct_bytes(sb));
- pr_newline(out);
-
- pr_buf(out, "Clean:");
- pr_tab(out);
- pr_buf(out, "%llu", BCH_SB_CLEAN(sb));
- pr_newline(out);
-
- pr_buf(out, "Devices:");
- pr_tab(out);
- pr_buf(out, "%u", nr_devices);
- pr_newline(out);
-
- pr_buf(out, "Sections:");
+ prt_printf(out, "(not set)");
+ prt_newline(out);
+
+ prt_printf(out, "Sequence number:");
+ prt_tab(out);
+ prt_printf(out, "%llu", le64_to_cpu(sb->seq));
+ prt_newline(out);
+
+ prt_printf(out, "Superblock size:");
+ prt_tab(out);
+ prt_printf(out, "%zu", vstruct_bytes(sb));
+ prt_newline(out);
+
+ prt_printf(out, "Clean:");
+ prt_tab(out);
+ prt_printf(out, "%llu", BCH_SB_CLEAN(sb));
+ prt_newline(out);
+
+ prt_printf(out, "Devices:");
+ prt_tab(out);
+ prt_printf(out, "%u", nr_devices);
+ prt_newline(out);
+
+ prt_printf(out, "Sections:");
vstruct_for_each(sb, f)
fields_have |= 1 << le32_to_cpu(f->type);
- pr_tab(out);
- bch2_flags_to_text(out, bch2_sb_fields, fields_have);
- pr_newline(out);
-
- pr_buf(out, "Features:");
- pr_tab(out);
- bch2_flags_to_text(out, bch2_sb_features,
- le64_to_cpu(sb->features[0]));
- pr_newline(out);
-
- pr_buf(out, "Compat features:");
- pr_tab(out);
- bch2_flags_to_text(out, bch2_sb_compat,
- le64_to_cpu(sb->compat[0]));
- pr_newline(out);
-
- pr_newline(out);
- pr_buf(out, "Options:");
- pr_newline(out);
- pr_indent_push(out, 2);
+ prt_tab(out);
+ prt_bitflags(out, bch2_sb_fields, fields_have);
+ prt_newline(out);
+
+ prt_printf(out, "Features:");
+ prt_tab(out);
+ prt_bitflags(out, bch2_sb_features, le64_to_cpu(sb->features[0]));
+ prt_newline(out);
+
+ prt_printf(out, "Compat features:");
+ prt_tab(out);
+ prt_bitflags(out, bch2_sb_compat, le64_to_cpu(sb->compat[0]));
+ prt_newline(out);
+
+ prt_newline(out);
+ prt_printf(out, "Options:");
+ prt_newline(out);
+ printbuf_indent_add(out, 2);
{
enum bch_opt_id id;
if (opt->get_sb != BCH2_NO_SB_OPT) {
u64 v = bch2_opt_from_sb(sb, id);
- pr_buf(out, "%s:", opt->attr.name);
- pr_tab(out);
+ prt_printf(out, "%s:", opt->attr.name);
+ prt_tab(out);
bch2_opt_to_text(out, NULL, sb, opt, v,
OPT_HUMAN_READABLE|OPT_SHOW_FULL_LIST);
- pr_newline(out);
+ prt_newline(out);
}
}
}
- pr_indent_pop(out, 2);
+ printbuf_indent_sub(out, 2);
if (print_layout) {
- pr_newline(out);
- pr_buf(out, "layout:");
- pr_newline(out);
- pr_indent_push(out, 2);
+ prt_newline(out);
+ prt_printf(out, "layout:");
+ prt_newline(out);
+ printbuf_indent_add(out, 2);
bch2_sb_layout_to_text(out, &sb->layout);
- pr_indent_pop(out, 2);
+ printbuf_indent_sub(out, 2);
}
vstruct_for_each(sb, f)
if (fields & (1 << le32_to_cpu(f->type))) {
- pr_newline(out);
+ prt_newline(out);
bch2_sb_field_to_text(out, sb, f);
}
}
projects / bcachefs-tools-debian / blobdiff