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Diffstat (limited to 'libbcachefs/sb-members.c')
-rw-r--r--libbcachefs/sb-members.c116
1 files changed, 51 insertions, 65 deletions
diff --git a/libbcachefs/sb-members.c b/libbcachefs/sb-members.c
index 0573c7b0..e3c73d90 100644
--- a/libbcachefs/sb-members.c
+++ b/libbcachefs/sb-members.c
@@ -68,34 +68,13 @@ struct bch_member *bch2_members_v2_get_mut(struct bch_sb *sb, int i)
return __bch2_members_v2_get_mut(bch2_sb_field_get(sb, members_v2), i);
}
-static struct bch_member members_v2_get(struct bch_sb_field_members_v2 *mi, int i)
-{
- struct bch_member ret, *p = __bch2_members_v2_get_mut(mi, i);
- memset(&ret, 0, sizeof(ret));
- memcpy(&ret, p, min_t(size_t, le16_to_cpu(mi->member_bytes), sizeof(ret)));
- return ret;
-}
-
-static struct bch_member *members_v1_get_mut(struct bch_sb_field_members_v1 *mi, int i)
-{
- return (void *) mi->_members + (i * BCH_MEMBER_V1_BYTES);
-}
-
-static struct bch_member members_v1_get(struct bch_sb_field_members_v1 *mi, int i)
-{
- struct bch_member ret, *p = members_v1_get_mut(mi, i);
- memset(&ret, 0, sizeof(ret));
- memcpy(&ret, p, min_t(size_t, BCH_MEMBER_V1_BYTES, sizeof(ret)));
- return ret;
-}
-
struct bch_member bch2_sb_member_get(struct bch_sb *sb, int i)
{
struct bch_sb_field_members_v2 *mi2 = bch2_sb_field_get(sb, members_v2);
if (mi2)
- return members_v2_get(mi2, i);
+ return bch2_members_v2_get(mi2, i);
struct bch_sb_field_members_v1 *mi1 = bch2_sb_field_get(sb, members_v1);
- return members_v1_get(mi1, i);
+ return bch2_members_v1_get(mi1, i);
}
static int sb_members_v2_resize_entries(struct bch_fs *c)
@@ -211,33 +190,25 @@ static int validate_member(struct printbuf *err,
return 0;
}
-static void member_to_text(struct printbuf *out,
- struct bch_member m,
- struct bch_sb_field_disk_groups *gi,
- struct bch_sb *sb,
- int i)
+void bch2_member_to_text(struct printbuf *out,
+ struct bch_member *m,
+ struct bch_sb_field_disk_groups *gi,
+ struct bch_sb *sb,
+ unsigned idx)
{
- unsigned data_have = bch2_sb_dev_has_data(sb, i);
- u64 bucket_size = le16_to_cpu(m.bucket_size);
- u64 device_size = le64_to_cpu(m.nbuckets) * bucket_size;
-
- if (!bch2_member_alive(&m))
- return;
-
- prt_printf(out, "Device:\t%u\n", i);
-
- printbuf_indent_add(out, 2);
+ u64 bucket_size = le16_to_cpu(m->bucket_size);
+ u64 device_size = le64_to_cpu(m->nbuckets) * bucket_size;
prt_printf(out, "Label:\t");
- if (BCH_MEMBER_GROUP(&m))
+ if (BCH_MEMBER_GROUP(m))
bch2_disk_path_to_text_sb(out, sb,
- BCH_MEMBER_GROUP(&m) - 1);
+ BCH_MEMBER_GROUP(m) - 1);
else
prt_printf(out, "(none)");
prt_newline(out);
prt_printf(out, "UUID:\t");
- pr_uuid(out, m.uuid.b);
+ pr_uuid(out, m->uuid.b);
prt_newline(out);
prt_printf(out, "Size:\t");
@@ -245,40 +216,41 @@ static void member_to_text(struct printbuf *out,
prt_newline(out);
for (unsigned i = 0; i < BCH_MEMBER_ERROR_NR; i++)
- prt_printf(out, "%s errors:\t%llu\n", bch2_member_error_strs[i], le64_to_cpu(m.errors[i]));
+ prt_printf(out, "%s errors:\t%llu\n", bch2_member_error_strs[i], le64_to_cpu(m->errors[i]));
for (unsigned i = 0; i < BCH_IOPS_NR; i++)
- prt_printf(out, "%s iops:\t%u\n", bch2_iops_measurements[i], le32_to_cpu(m.iops[i]));
+ prt_printf(out, "%s iops:\t%u\n", bch2_iops_measurements[i], le32_to_cpu(m->iops[i]));
prt_printf(out, "Bucket size:\t");
prt_units_u64(out, bucket_size << 9);
prt_newline(out);
- prt_printf(out, "First bucket:\t%u\n", le16_to_cpu(m.first_bucket));
- prt_printf(out, "Buckets:\t%llu\n", le64_to_cpu(m.nbuckets));
+ prt_printf(out, "First bucket:\t%u\n", le16_to_cpu(m->first_bucket));
+ prt_printf(out, "Buckets:\t%llu\n", le64_to_cpu(m->nbuckets));
prt_printf(out, "Last mount:\t");
- if (m.last_mount)
- bch2_prt_datetime(out, le64_to_cpu(m.last_mount));
+ if (m->last_mount)
+ bch2_prt_datetime(out, le64_to_cpu(m->last_mount));
else
prt_printf(out, "(never)");
prt_newline(out);
- prt_printf(out, "Last superblock write:\t%llu\n", le64_to_cpu(m.seq));
+ prt_printf(out, "Last superblock write:\t%llu\n", le64_to_cpu(m->seq));
prt_printf(out, "State:\t%s\n",
- BCH_MEMBER_STATE(&m) < BCH_MEMBER_STATE_NR
- ? bch2_member_states[BCH_MEMBER_STATE(&m)]
+ BCH_MEMBER_STATE(m) < BCH_MEMBER_STATE_NR
+ ? bch2_member_states[BCH_MEMBER_STATE(m)]
: "unknown");
prt_printf(out, "Data allowed:\t");
- if (BCH_MEMBER_DATA_ALLOWED(&m))
- prt_bitflags(out, __bch2_data_types, BCH_MEMBER_DATA_ALLOWED(&m));
+ if (BCH_MEMBER_DATA_ALLOWED(m))
+ prt_bitflags(out, __bch2_data_types, BCH_MEMBER_DATA_ALLOWED(m));
else
prt_printf(out, "(none)");
prt_newline(out);
prt_printf(out, "Has data:\t");
+ unsigned data_have = bch2_sb_dev_has_data(sb, idx);
if (data_have)
prt_bitflags(out, __bch2_data_types, data_have);
else
@@ -286,22 +258,36 @@ static void member_to_text(struct printbuf *out,
prt_newline(out);
prt_printf(out, "Btree allocated bitmap blocksize:\t");
- if (m.btree_bitmap_shift < 64)
- prt_units_u64(out, 1ULL << m.btree_bitmap_shift);
+ if (m->btree_bitmap_shift < 64)
+ prt_units_u64(out, 1ULL << m->btree_bitmap_shift);
else
- prt_printf(out, "(invalid shift %u)", m.btree_bitmap_shift);
+ prt_printf(out, "(invalid shift %u)", m->btree_bitmap_shift);
prt_newline(out);
prt_printf(out, "Btree allocated bitmap:\t");
- bch2_prt_u64_base2_nbits(out, le64_to_cpu(m.btree_allocated_bitmap), 64);
+ bch2_prt_u64_base2_nbits(out, le64_to_cpu(m->btree_allocated_bitmap), 64);
prt_newline(out);
- prt_printf(out, "Durability:\t%llu\n", BCH_MEMBER_DURABILITY(&m) ? BCH_MEMBER_DURABILITY(&m) - 1 : 1);
+ prt_printf(out, "Durability:\t%llu\n", BCH_MEMBER_DURABILITY(m) ? BCH_MEMBER_DURABILITY(m) - 1 : 1);
+
+ prt_printf(out, "Discard:\t%llu\n", BCH_MEMBER_DISCARD(m));
+ prt_printf(out, "Freespace initialized:\t%llu\n", BCH_MEMBER_FREESPACE_INITIALIZED(m));
+ prt_printf(out, "Resize on mount:\t%llu\n", BCH_MEMBER_RESIZE_ON_MOUNT(m));
+}
+
+static void member_to_text(struct printbuf *out,
+ struct bch_member m,
+ struct bch_sb_field_disk_groups *gi,
+ struct bch_sb *sb,
+ unsigned idx)
+{
+ if (!bch2_member_alive(&m))
+ return;
- prt_printf(out, "Discard:\t%llu\n", BCH_MEMBER_DISCARD(&m));
- prt_printf(out, "Freespace initialized:\t%llu\n", BCH_MEMBER_FREESPACE_INITIALIZED(&m));
- prt_printf(out, "Resize on mount:\t%llu\n", BCH_MEMBER_RESIZE_ON_MOUNT(&m));
+ prt_printf(out, "Device:\t%u\n", idx);
+ printbuf_indent_add(out, 2);
+ bch2_member_to_text(out, &m, gi, sb, idx);
printbuf_indent_sub(out, 2);
}
@@ -317,7 +303,7 @@ static int bch2_sb_members_v1_validate(struct bch_sb *sb, struct bch_sb_field *f
}
for (i = 0; i < sb->nr_devices; i++) {
- struct bch_member m = members_v1_get(mi, i);
+ struct bch_member m = bch2_members_v1_get(mi, i);
int ret = validate_member(err, m, sb, i);
if (ret)
@@ -343,7 +329,7 @@ static void bch2_sb_members_v1_to_text(struct printbuf *out, struct bch_sb *sb,
prt_printf(out, "nr_devices mismatch: have %i entries, should be %u", nr, sb->nr_devices);
for (unsigned i = 0; i < min(sb->nr_devices, nr); i++)
- member_to_text(out, members_v1_get(mi, i), gi, sb, i);
+ member_to_text(out, bch2_members_v1_get(mi, i), gi, sb, i);
}
const struct bch_sb_field_ops bch_sb_field_ops_members_v1 = {
@@ -377,7 +363,7 @@ static void bch2_sb_members_v2_to_text(struct printbuf *out, struct bch_sb *sb,
*/
for (unsigned i = 0; i < min(sb->nr_devices, nr); i++)
- member_to_text(out, members_v2_get(mi, i), gi, sb, i);
+ member_to_text(out, bch2_members_v2_get(mi, i), gi, sb, i);
}
static int bch2_sb_members_v2_validate(struct bch_sb *sb, struct bch_sb_field *f,
@@ -394,7 +380,7 @@ static int bch2_sb_members_v2_validate(struct bch_sb *sb, struct bch_sb_field *f
}
for (unsigned i = 0; i < sb->nr_devices; i++) {
- int ret = validate_member(err, members_v2_get(mi, i), sb, i);
+ int ret = validate_member(err, bch2_members_v2_get(mi, i), sb, i);
if (ret)
return ret;
}
@@ -430,7 +416,7 @@ void bch2_sb_members_to_cpu(struct bch_fs *c)
struct bch_sb_field_members_v2 *mi2 = bch2_sb_field_get(c->disk_sb.sb, members_v2);
if (mi2)
for (unsigned i = 0; i < c->sb.nr_devices; i++) {
- struct bch_member m = members_v2_get(mi2, i);
+ struct bch_member m = bch2_members_v2_get(mi2, i);
bool removed = uuid_equal(&m.uuid, &BCH_SB_MEMBER_DELETED_UUID);
mod_bit(i, c->devs_removed.d, removed);
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-08-03 06:08:21 +0000