bcachefs: sb-members.c

Split out a new file for bch_sb_field_members - we'll likely want to
move more code here in the future.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 1 insertions, 166 deletions

diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c
index 405ea74d0b83..bea922e720a2 100644
--- a/fs/bcachefs/super-io.c
+++ b/fs/bcachefs/super-io.c
@@ -16,6 +16,7 @@
 #include "recovery.h"
 #include "replicas.h"
 #include "quota.h"
+#include "sb-members.h"
 #include "super-io.h"
 #include "super.h"
 #include "trace.h"
@@ -1015,172 +1016,6 @@ void __bch2_check_set_feature(struct bch_fs *c, unsigned feat)
 	mutex_unlock(&c->sb_lock);
 }
 
-/* BCH_SB_FIELD_members: */
-
-static int bch2_sb_members_validate(struct bch_sb *sb,
-				    struct bch_sb_field *f,
-				    struct printbuf *err)
-{
-	struct bch_sb_field_members *mi = field_to_type(f, members);
-	unsigned i;
-
-	if ((void *) (mi->members + sb->nr_devices) >
-	    vstruct_end(&mi->field)) {
-		prt_printf(err, "too many devices for section size");
-		return -BCH_ERR_invalid_sb_members;
-	}
-
-	for (i = 0; i < sb->nr_devices; i++) {
-		struct bch_member *m = mi->members + i;
-
-		if (!bch2_member_exists(m))
-			continue;
-
-		if (le64_to_cpu(m->nbuckets) > LONG_MAX) {
-			prt_printf(err, "device %u: too many buckets (got %llu, max %lu)",
-			       i, le64_to_cpu(m->nbuckets), LONG_MAX);
-			return -BCH_ERR_invalid_sb_members;
-		}
-
-		if (le64_to_cpu(m->nbuckets) -
-		    le16_to_cpu(m->first_bucket) < BCH_MIN_NR_NBUCKETS) {
-			prt_printf(err, "device %u: not enough buckets (got %llu, max %u)",
-			       i, le64_to_cpu(m->nbuckets), BCH_MIN_NR_NBUCKETS);
-			return -BCH_ERR_invalid_sb_members;
-		}
-
-		if (le16_to_cpu(m->bucket_size) <
-		    le16_to_cpu(sb->block_size)) {
-			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 -BCH_ERR_invalid_sb_members;
-		}
-
-		if (le16_to_cpu(m->bucket_size) <
-		    BCH_SB_BTREE_NODE_SIZE(sb)) {
-			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 -BCH_ERR_invalid_sb_members;
-		}
-	}
-
-	return 0;
-}
-
-static void bch2_sb_members_to_text(struct printbuf *out, struct bch_sb *sb,
-				    struct bch_sb_field *f)
-{
-	struct bch_sb_field_members *mi = field_to_type(f, members);
-	struct bch_sb_field_disk_groups *gi = bch2_sb_get_disk_groups(sb);
-	unsigned i;
-
-	for (i = 0; i < sb->nr_devices; i++) {
-		struct bch_member *m = mi->members + i;
-		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_exists(m))
-			continue;
-
-		prt_printf(out, "Device:");
-		prt_tab(out);
-		prt_printf(out, "%u", i);
-		prt_newline(out);
-
-		printbuf_indent_add(out, 2);
-
-		prt_printf(out, "UUID:");
-		prt_tab(out);
-		pr_uuid(out, m->uuid.b);
-		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
-			prt_printf(out, "(never)");
-		prt_newline(out);
-
-		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");
-		prt_newline(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))
-				prt_printf(out, "%s (%u)",
-				       gi->entries[idx].label, idx);
-			else
-				prt_printf(out, "(bad disk labels section)");
-		} else {
-			prt_printf(out, "(none)");
-		}
-		prt_newline(out);
-
-		prt_printf(out, "Data allowed:");
-		prt_tab(out);
-		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:");
-		prt_tab(out);
-		if (data_have)
-			prt_bitflags(out, bch2_data_types, data_have);
-		else
-			prt_printf(out, "(none)");
-		prt_newline(out);
-
-		prt_printf(out, "Discard:");
-		prt_tab(out);
-		prt_printf(out, "%llu", BCH_MEMBER_DISCARD(m));
-		prt_newline(out);
-
-		prt_printf(out, "Freespace initialized:");
-		prt_tab(out);
-		prt_printf(out, "%llu", BCH_MEMBER_FREESPACE_INITIALIZED(m));
-		prt_newline(out);
-
-		printbuf_indent_sub(out, 2);
-	}
-}
-
-static const struct bch_sb_field_ops bch_sb_field_ops_members = {
-	.validate	= bch2_sb_members_validate,
-	.to_text	= bch2_sb_members_to_text,
-};
-
 /* BCH_SB_FIELD_crypt: */
 
 static int bch2_sb_crypt_validate(struct bch_sb *sb,