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Diffstat (limited to 'fs/bcachefs/super-io.c')
-rw-r--r--fs/bcachefs/super-io.c124
1 files changed, 53 insertions, 71 deletions
diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c
index a337246e91..b156fc85b8 100644
--- a/fs/bcachefs/super-io.c
+++ b/fs/bcachefs/super-io.c
@@ -76,7 +76,7 @@ const char * const bch2_sb_fields[] = {
};
static int bch2_sb_field_validate(struct bch_sb *, struct bch_sb_field *,
- struct printbuf *);
+ enum bch_validate_flags, struct printbuf *);
struct bch_sb_field *bch2_sb_field_get_id(struct bch_sb *sb,
enum bch_sb_field_type type)
@@ -344,8 +344,8 @@ static int bch2_sb_compatible(struct bch_sb *sb, struct printbuf *out)
return 0;
}
-static int bch2_sb_validate(struct bch_sb_handle *disk_sb, struct printbuf *out,
- int rw)
+static int bch2_sb_validate(struct bch_sb_handle *disk_sb,
+ enum bch_validate_flags flags, struct printbuf *out)
{
struct bch_sb *sb = disk_sb->sb;
struct bch_sb_field_members_v1 *mi;
@@ -401,7 +401,7 @@ static int bch2_sb_validate(struct bch_sb_handle *disk_sb, struct printbuf *out,
return -BCH_ERR_invalid_sb_time_precision;
}
- if (rw == READ) {
+ if (!flags) {
/*
* Been seeing a bug where these are getting inexplicably
* zeroed, so we're now validating them, but we have to be
@@ -457,7 +457,7 @@ static int bch2_sb_validate(struct bch_sb_handle *disk_sb, struct printbuf *out,
return -BCH_ERR_invalid_sb_members_missing;
}
- ret = bch2_sb_field_validate(sb, &mi->field, out);
+ ret = bch2_sb_field_validate(sb, &mi->field, flags, out);
if (ret)
return ret;
@@ -465,12 +465,12 @@ static int bch2_sb_validate(struct bch_sb_handle *disk_sb, struct printbuf *out,
if (le32_to_cpu(f->type) == BCH_SB_FIELD_members_v1)
continue;
- ret = bch2_sb_field_validate(sb, f, out);
+ ret = bch2_sb_field_validate(sb, f, flags, out);
if (ret)
return ret;
}
- if (rw == WRITE &&
+ if ((flags & BCH_VALIDATE_write) &&
bch2_sb_member_get(sb, sb->dev_idx).seq != sb->seq) {
prt_printf(out, "Invalid superblock: member seq %llu != sb seq %llu",
le64_to_cpu(bch2_sb_member_get(sb, sb->dev_idx).seq),
@@ -649,9 +649,10 @@ reread:
bytes = vstruct_bytes(sb->sb);
- if (bytes > 512ULL << min(BCH_SB_LAYOUT_SIZE_BITS_MAX, sb->sb->layout.sb_max_size_bits)) {
- prt_printf(err, "Invalid superblock: too big (got %zu bytes, layout max %lu)",
- bytes, 512UL << sb->sb->layout.sb_max_size_bits);
+ u64 sb_size = 512ULL << min(BCH_SB_LAYOUT_SIZE_BITS_MAX, sb->sb->layout.sb_max_size_bits);
+ if (bytes > sb_size) {
+ prt_printf(err, "Invalid superblock: too big (got %zu bytes, layout max %llu)",
+ bytes, sb_size);
return -BCH_ERR_invalid_sb_too_big;
}
@@ -819,7 +820,7 @@ got_super:
sb->have_layout = true;
- ret = bch2_sb_validate(sb, &err, READ);
+ ret = bch2_sb_validate(sb, 0, &err);
if (ret) {
bch2_print_opts(opts, KERN_ERR "bcachefs (%s): error validating superblock: %s\n",
path, err.buf);
@@ -975,7 +976,7 @@ int bch2_write_super(struct bch_fs *c)
darray_for_each(online_devices, ca) {
printbuf_reset(&err);
- ret = bch2_sb_validate(&(*ca)->disk_sb, &err, WRITE);
+ ret = bch2_sb_validate(&(*ca)->disk_sb, BCH_VALIDATE_write, &err);
if (ret) {
bch2_fs_inconsistent(c, "sb invalid before write: %s", err.buf);
goto out;
@@ -1020,26 +1021,35 @@ int bch2_write_super(struct bch_fs *c)
continue;
if (le64_to_cpu(ca->sb_read_scratch->seq) < ca->disk_sb.seq) {
- bch2_fs_fatal_error(c,
+ struct printbuf buf = PRINTBUF;
+ prt_char(&buf, ' ');
+ prt_bdevname(&buf, ca->disk_sb.bdev);
+ prt_printf(&buf,
": Superblock write was silently dropped! (seq %llu expected %llu)",
le64_to_cpu(ca->sb_read_scratch->seq),
ca->disk_sb.seq);
- percpu_ref_put(&ca->io_ref);
+ bch2_fs_fatal_error(c, "%s", buf.buf);
+ printbuf_exit(&buf);
ret = -BCH_ERR_erofs_sb_err;
- goto out;
}
if (le64_to_cpu(ca->sb_read_scratch->seq) > ca->disk_sb.seq) {
- bch2_fs_fatal_error(c,
+ struct printbuf buf = PRINTBUF;
+ prt_char(&buf, ' ');
+ prt_bdevname(&buf, ca->disk_sb.bdev);
+ prt_printf(&buf,
": Superblock modified by another process (seq %llu expected %llu)",
le64_to_cpu(ca->sb_read_scratch->seq),
ca->disk_sb.seq);
- percpu_ref_put(&ca->io_ref);
+ bch2_fs_fatal_error(c, "%s", buf.buf);
+ printbuf_exit(&buf);
ret = -BCH_ERR_erofs_sb_err;
- goto out;
}
}
+ if (ret)
+ goto out;
+
do {
wrote = false;
darray_for_each(online_devices, cap) {
@@ -1146,7 +1156,7 @@ void bch2_sb_upgrade(struct bch_fs *c, unsigned new_version)
}
static int bch2_sb_ext_validate(struct bch_sb *sb, struct bch_sb_field *f,
- struct printbuf *err)
+ enum bch_validate_flags flags, struct printbuf *err)
{
if (vstruct_bytes(f) < 88) {
prt_printf(err, "field too small (%zu < %u)", vstruct_bytes(f), 88);
@@ -1161,8 +1171,7 @@ static void bch2_sb_ext_to_text(struct printbuf *out, struct bch_sb *sb,
{
struct bch_sb_field_ext *e = field_to_type(f, ext);
- prt_printf(out, "Recovery passes required:");
- prt_tab(out);
+ prt_printf(out, "Recovery passes required:\t");
prt_bitflags(out, bch2_recovery_passes,
bch2_recovery_passes_from_stable(le64_to_cpu(e->recovery_passes_required[0])));
prt_newline(out);
@@ -1171,16 +1180,14 @@ static void bch2_sb_ext_to_text(struct printbuf *out, struct bch_sb *sb,
if (errors_silent) {
le_bitvector_to_cpu(errors_silent, (void *) e->errors_silent, sizeof(e->errors_silent) * 8);
- prt_printf(out, "Errors to silently fix:");
- prt_tab(out);
+ prt_printf(out, "Errors to silently fix:\t");
prt_bitflags_vector(out, bch2_sb_error_strs, errors_silent, sizeof(e->errors_silent) * 8);
prt_newline(out);
kfree(errors_silent);
}
- prt_printf(out, "Btrees with missing data:");
- prt_tab(out);
+ prt_printf(out, "Btrees with missing data:\t");
prt_bitflags(out, __bch2_btree_ids, le64_to_cpu(e->btrees_lost_data));
prt_newline(out);
}
@@ -1207,14 +1214,14 @@ static const struct bch_sb_field_ops *bch2_sb_field_type_ops(unsigned type)
}
static int bch2_sb_field_validate(struct bch_sb *sb, struct bch_sb_field *f,
- struct printbuf *err)
+ enum bch_validate_flags flags, struct printbuf *err)
{
unsigned type = le32_to_cpu(f->type);
struct printbuf field_err = PRINTBUF;
const struct bch_sb_field_ops *ops = bch2_sb_field_type_ops(type);
int ret;
- ret = ops->validate ? ops->validate(sb, f, &field_err) : 0;
+ ret = ops->validate ? ops->validate(sb, f, flags, &field_err) : 0;
if (ret) {
prt_printf(err, "Invalid superblock section %s: %s",
bch2_sb_fields[type], field_err.buf);
@@ -1288,97 +1295,73 @@ void bch2_sb_to_text(struct printbuf *out, struct bch_sb *sb,
printbuf_tabstop_push(out, 44);
for (int i = 0; i < sb->nr_devices; i++)
- nr_devices += bch2_dev_exists(sb, i);
+ nr_devices += bch2_member_exists(sb, i);
- prt_printf(out, "External UUID:");
- prt_tab(out);
+ prt_printf(out, "External UUID:\t");
pr_uuid(out, sb->user_uuid.b);
prt_newline(out);
- prt_printf(out, "Internal UUID:");
- prt_tab(out);
+ prt_printf(out, "Internal UUID:\t");
pr_uuid(out, sb->uuid.b);
prt_newline(out);
- prt_printf(out, "Magic number:");
- prt_tab(out);
+ prt_printf(out, "Magic number:\t");
pr_uuid(out, sb->magic.b);
prt_newline(out);
- prt_str(out, "Device index:");
- prt_tab(out);
- prt_printf(out, "%u", sb->dev_idx);
- prt_newline(out);
+ prt_printf(out, "Device index:\t%u\n", sb->dev_idx);
- prt_str(out, "Label:");
- prt_tab(out);
+ prt_printf(out, "Label:\t");
prt_printf(out, "%.*s", (int) sizeof(sb->label), sb->label);
prt_newline(out);
- prt_str(out, "Version:");
- prt_tab(out);
+ prt_printf(out, "Version:\t");
bch2_version_to_text(out, le16_to_cpu(sb->version));
prt_newline(out);
- prt_str(out, "Version upgrade complete:");
- prt_tab(out);
+ prt_printf(out, "Version upgrade complete:\t");
bch2_version_to_text(out, BCH_SB_VERSION_UPGRADE_COMPLETE(sb));
prt_newline(out);
- prt_printf(out, "Oldest version on disk:");
- prt_tab(out);
+ prt_printf(out, "Oldest version on disk:\t");
bch2_version_to_text(out, le16_to_cpu(sb->version_min));
prt_newline(out);
- prt_printf(out, "Created:");
- prt_tab(out);
+ prt_printf(out, "Created:\t");
if (sb->time_base_lo)
bch2_prt_datetime(out, div_u64(le64_to_cpu(sb->time_base_lo), NSEC_PER_SEC));
else
prt_printf(out, "(not set)");
prt_newline(out);
- prt_printf(out, "Sequence number:");
- prt_tab(out);
+ prt_printf(out, "Sequence number:\t");
prt_printf(out, "%llu", le64_to_cpu(sb->seq));
prt_newline(out);
- prt_printf(out, "Time of last write:");
- prt_tab(out);
+ prt_printf(out, "Time of last write:\t");
bch2_prt_datetime(out, le64_to_cpu(sb->write_time));
prt_newline(out);
- prt_printf(out, "Superblock size:");
- prt_tab(out);
+ prt_printf(out, "Superblock size:\t");
prt_units_u64(out, vstruct_bytes(sb));
prt_str(out, "/");
prt_units_u64(out, 512ULL << sb->layout.sb_max_size_bits);
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, "Clean:\t%llu\n", BCH_SB_CLEAN(sb));
+ prt_printf(out, "Devices:\t%u\n", nr_devices);
- prt_printf(out, "Sections:");
+ prt_printf(out, "Sections:\t");
vstruct_for_each(sb, f)
fields_have |= 1 << le32_to_cpu(f->type);
- prt_tab(out);
prt_bitflags(out, bch2_sb_fields, fields_have);
prt_newline(out);
- prt_printf(out, "Features:");
- prt_tab(out);
+ prt_printf(out, "Features:\t");
prt_bitflags(out, bch2_sb_features, le64_to_cpu(sb->features[0]));
prt_newline(out);
- prt_printf(out, "Compat features:");
- prt_tab(out);
+ prt_printf(out, "Compat features:\t");
prt_bitflags(out, bch2_sb_compat, le64_to_cpu(sb->compat[0]));
prt_newline(out);
@@ -1395,8 +1378,7 @@ void bch2_sb_to_text(struct printbuf *out, struct bch_sb *sb,
if (opt->get_sb != BCH2_NO_SB_OPT) {
u64 v = bch2_opt_from_sb(sb, id);
- prt_printf(out, "%s:", opt->attr.name);
- prt_tab(out);
+ prt_printf(out, "%s:\t", opt->attr.name);
bch2_opt_to_text(out, NULL, sb, opt, v,
OPT_HUMAN_READABLE|OPT_SHOW_FULL_LIST);
prt_newline(out);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 06:54:58 +0000