#include "io.h"
#include "journal.h"
#include "journal_io.h"
+#include "journal_sb.h"
#include "journal_seq_blacklist.h"
#include "replicas.h"
#include "quota.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()
return 0;
}
-static int bch2_sb_validate(struct bch_sb_handle *disk_sb, struct printbuf *out)
+static int bch2_sb_validate(struct bch_sb_handle *disk_sb, struct printbuf *out,
+ int rw)
{
struct bch_sb *sb = disk_sb->sb;
struct bch_sb_field *f;
struct bch_sb_field_members *mi;
+ enum bch_opt_id opt_id;
u32 version, version_min;
u16 block_size;
int ret;
version = le16_to_cpu(sb->version);
- version_min = version >= bcachefs_metadata_version_new_versioning
+ version_min = version >= bcachefs_metadata_version_bkey_renumber
? le16_to_cpu(sb->version_min)
: version;
return -EINVAL;
}
+ if (rw == READ) {
+ /*
+ * Been seeing a bug where these are getting inexplicably
+ * zeroed, so we'r now validating them, but we have to be
+ * careful not to preven people's filesystems from mounting:
+ */
+ if (!BCH_SB_JOURNAL_FLUSH_DELAY(sb))
+ SET_BCH_SB_JOURNAL_FLUSH_DELAY(sb, 1000);
+ if (!BCH_SB_JOURNAL_RECLAIM_DELAY(sb))
+ SET_BCH_SB_JOURNAL_RECLAIM_DELAY(sb, 1000);
+ }
+
+ for (opt_id = 0; opt_id < bch2_opts_nr; opt_id++) {
+ const struct bch_option *opt = bch2_opt_table + opt_id;
+
+ if (opt->get_sb != BCH2_NO_SB_OPT) {
+ u64 v = bch2_opt_from_sb(sb, opt_id);
+
+ pr_buf(out, "Invalid option ");
+ ret = bch2_opt_validate(opt, v, out);
+ if (ret)
+ return ret;
+
+ printbuf_reset(out);
+ }
+ }
+
/* validate layout */
ret = validate_sb_layout(&sb->layout, out);
if (ret)
memcpy(dst->compat, src->compat, sizeof(dst->compat));
for (i = 0; i < BCH_SB_FIELD_NR; i++) {
- if (i == BCH_SB_FIELD_journal)
+ if ((1U << i) & BCH_SINGLE_DEVICE_SB_FIELDS)
continue;
src_f = bch2_sb_field_get(src, i);
}
version = le16_to_cpu(sb->sb->version);
- version_min = version >= bcachefs_metadata_version_new_versioning
+ version_min = version >= bcachefs_metadata_version_bkey_renumber
? le16_to_cpu(sb->sb->version_min)
: version;
ret = 0;
sb->have_layout = true;
- ret = bch2_sb_validate(sb, &err);
+ ret = bch2_sb_validate(sb, &err, READ);
if (ret) {
printk(KERN_ERR "bcachefs (%s): error validating superblock: %s",
path, err.buf);
unsigned degraded_flags = BCH_FORCE_IF_DEGRADED;
int ret = 0;
+ trace_write_super(c, _RET_IP_);
+
if (c->opts.very_degraded)
degraded_flags |= BCH_FORCE_IF_LOST;
for_each_online_member(ca, c, i) {
printbuf_reset(&err);
- ret = bch2_sb_validate(&ca->disk_sb, &err);
+ ret = bch2_sb_validate(&ca->disk_sb, &err, WRITE);
if (ret) {
bch2_fs_inconsistent(c, "sb invalid before write: %s", err.buf);
percpu_ref_put(&ca->io_ref);
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;
mutex_unlock(&c->sb_lock);
}
-/* BCH_SB_FIELD_journal: */
-
-static int u64_cmp(const void *_l, const void *_r)
-{
- u64 l = *((const u64 *) _l), r = *((const u64 *) _r);
-
- return l < r ? -1 : l > r ? 1 : 0;
-}
-
-static int bch2_sb_journal_validate(struct bch_sb *sb,
- struct bch_sb_field *f,
- struct printbuf *err)
-{
- struct bch_sb_field_journal *journal = field_to_type(f, journal);
- struct bch_member *m = bch2_sb_get_members(sb)->members + sb->dev_idx;
- int ret = -EINVAL;
- unsigned nr;
- unsigned i;
- u64 *b;
-
- nr = bch2_nr_journal_buckets(journal);
- if (!nr)
- return 0;
-
- b = kmalloc_array(sizeof(u64), nr, GFP_KERNEL);
- if (!b)
- return -ENOMEM;
-
- for (i = 0; i < nr; i++)
- b[i] = le64_to_cpu(journal->buckets[i]);
-
- sort(b, nr, sizeof(u64), u64_cmp, NULL);
-
- if (!b[0]) {
- pr_buf(err, "journal bucket at sector 0");
- goto err;
- }
-
- if (b[0] < le16_to_cpu(m->first_bucket)) {
- pr_buf(err, "journal bucket %llu before first bucket %u",
- b[0], le16_to_cpu(m->first_bucket));
- goto err;
- }
-
- if (b[nr - 1] >= le64_to_cpu(m->nbuckets)) {
- pr_buf(err, "journal bucket %llu past end of device (nbuckets %llu)",
- b[nr - 1], le64_to_cpu(m->nbuckets));
- goto err;
- }
-
- for (i = 0; i + 1 < nr; i++)
- if (b[i] == b[i + 1]) {
- pr_buf(err, "duplicate journal buckets %llu", b[i]);
- goto err;
- }
-
- ret = 0;
-err:
- kfree(b);
- return ret;
-}
-
-static void bch2_sb_journal_to_text(struct printbuf *out, struct bch_sb *sb,
- struct bch_sb_field *f)
-{
- struct bch_sb_field_journal *journal = field_to_type(f, journal);
- unsigned i, nr = bch2_nr_journal_buckets(journal);
-
- pr_buf(out, "Buckets: ");
- for (i = 0; i < nr; i++)
- pr_buf(out, " %llu", le64_to_cpu(journal->buckets[i]));
- pr_newline(out);
-}
-
-static const struct bch_sb_field_ops bch_sb_field_ops_journal = {
- .validate = bch2_sb_journal_validate,
- .to_text = bch2_sb_journal_to_text,
-};
-
/* BCH_SB_FIELD_members: */
static int bch2_sb_members_validate(struct bch_sb *sb,
pr_buf(out, "%llu", BCH_MEMBER_DISCARD(m));
pr_newline(out);
+ pr_buf(out, "Freespace initialized:");
+ pr_tab(out);
+ pr_buf(out, "%llu", BCH_MEMBER_FREESPACE_INITIALIZED(m));
+ pr_newline(out);
+
pr_indent_pop(out, 2);
}
}
pr_buf(out, "Version:");
pr_tab(out);
- pr_buf(out, "%u", le16_to_cpu(sb->version));
+ 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, "%u", le16_to_cpu(sb->version_min));
+ pr_buf(out, "%s", bch2_metadata_versions[le16_to_cpu(sb->version_min)]);
pr_newline(out);
pr_buf(out, "Created:");
projects / bcachefs-tools-debian / blobdiff