#include "replicas.h"
#include "super.h"
#include "super-io.h"
+#include "trace.h"
#include "util.h"
-#include <trace/events/bcachefs.h>
-
static unsigned bch2_crc_field_size_max[] = {
[BCH_EXTENT_ENTRY_crc32] = CRC32_SIZE_MAX,
[BCH_EXTENT_ENTRY_crc64] = CRC64_SIZE_MAX,
/* KEY_TYPE_btree_ptr: */
int bch2_btree_ptr_invalid(const struct bch_fs *c, struct bkey_s_c k,
- unsigned flags, struct printbuf *err)
+ enum bkey_invalid_flags flags,
+ struct printbuf *err)
{
if (bkey_val_u64s(k.k) > BCH_REPLICAS_MAX) {
prt_printf(err, "value too big (%zu > %u)",
}
int bch2_btree_ptr_v2_invalid(const struct bch_fs *c, struct bkey_s_c k,
- unsigned flags, struct printbuf *err)
+ enum bkey_invalid_flags flags,
+ struct printbuf *err)
{
- struct bkey_s_c_btree_ptr_v2 bp = bkey_s_c_to_btree_ptr_v2(k);
-
- if (bkey_val_bytes(k.k) <= sizeof(*bp.v)) {
- prt_printf(err, "value too small (%zu <= %zu)",
- bkey_val_bytes(k.k), sizeof(*bp.v));
- return -BCH_ERR_invalid_bkey;
- }
-
if (bkey_val_u64s(k.k) > BKEY_BTREE_PTR_VAL_U64s_MAX) {
prt_printf(err, "value too big (%zu > %zu)",
bkey_val_u64s(k.k), BKEY_BTREE_PTR_VAL_U64s_MAX);
return -BCH_ERR_invalid_bkey;
}
- if (c->sb.version < bcachefs_metadata_version_snapshot &&
- bp.v->min_key.snapshot) {
- prt_printf(err, "invalid min_key.snapshot (%u != 0)",
- bp.v->min_key.snapshot);
- return -BCH_ERR_invalid_bkey;
- }
-
return bch2_bkey_ptrs_invalid(c, k, flags, err);
}
compat_bpos(0, btree_id, version, big_endian, write, &bp.v->min_key);
if (version < bcachefs_metadata_version_inode_btree_change &&
- btree_node_type_is_extents(btree_id) &&
+ btree_id_is_extents(btree_id) &&
!bkey_eq(bp.v->min_key, POS_MIN))
bp.v->min_key = write
? bpos_nosnap_predecessor(bp.v->min_key)
/* KEY_TYPE_reservation: */
int bch2_reservation_invalid(const struct bch_fs *c, struct bkey_s_c k,
- unsigned flags, struct printbuf *err)
+ enum bkey_invalid_flags flags,
+ struct printbuf *err)
{
struct bkey_s_c_reservation r = bkey_s_c_to_reservation(k);
- if (bkey_val_bytes(k.k) != sizeof(struct bch_reservation)) {
- prt_printf(err, "incorrect value size (%zu != %zu)",
- bkey_val_bytes(k.k), sizeof(*r.v));
- return -BCH_ERR_invalid_bkey;
- }
-
if (!r.v->nr_replicas || r.v->nr_replicas > BCH_REPLICAS_MAX) {
prt_printf(err, "invalid nr_replicas (%u)",
r.v->nr_replicas);
switch (type) {
case BCH_EXTENT_ENTRY_crc32:
set_common_fields(dst->crc32, src);
- dst->crc32.csum = *((__le32 *) &src.csum.lo);
+ dst->crc32.csum = (u32 __force) *((__le32 *) &src.csum.lo);
break;
case BCH_EXTENT_ENTRY_crc64:
set_common_fields(dst->crc64, src);
dst->crc64.nonce = src.nonce;
- dst->crc64.csum_lo = src.csum.lo;
- dst->crc64.csum_hi = *((__le16 *) &src.csum.hi);
+ dst->crc64.csum_lo = (u64 __force) src.csum.lo;
+ dst->crc64.csum_hi = (u64 __force) *((__le16 *) &src.csum.hi);
break;
case BCH_EXTENT_ENTRY_crc128:
set_common_fields(dst->crc128, src);
return replicas;
}
-unsigned bch2_extent_ptr_durability(struct bch_fs *c, struct extent_ptr_decoded *p)
+unsigned bch2_extent_ptr_desired_durability(struct bch_fs *c, struct extent_ptr_decoded *p)
{
- unsigned durability = 0;
struct bch_dev *ca;
if (p->ptr.cached)
ca = bch_dev_bkey_exists(c, p->ptr.dev);
- if (ca->mi.state != BCH_MEMBER_STATE_failed)
- durability = max_t(unsigned, durability, ca->mi.durability);
+ return ca->mi.durability +
+ (p->has_ec
+ ? p->ec.redundancy
+ : 0);
+}
+
+unsigned bch2_extent_ptr_durability(struct bch_fs *c, struct extent_ptr_decoded *p)
+{
+ struct bch_dev *ca;
- if (p->has_ec)
- durability += p->ec.redundancy;
+ if (p->ptr.cached)
+ return 0;
- return durability;
+ ca = bch_dev_bkey_exists(c, p->ptr.dev);
+
+ if (ca->mi.state == BCH_MEMBER_STATE_failed)
+ return 0;
+
+ return ca->mi.durability +
+ (p->has_ec
+ ? p->ec.redundancy
+ : 0);
}
unsigned bch2_bkey_durability(struct bch_fs *c, struct bkey_s_c k)
bkey_for_each_ptr_decode(k1.k, ptrs1, p1, entry1)
bkey_for_each_ptr_decode(k2.k, ptrs2, p2, entry2)
- if (p1.ptr.dev == p2.ptr.dev &&
- p1.ptr.gen == p2.ptr.gen &&
- (s64) p1.ptr.offset + p1.crc.offset - bkey_start_offset(k1.k) ==
- (s64) p2.ptr.offset + p2.crc.offset - bkey_start_offset(k2.k))
- return true;
+ if (p1.ptr.dev == p2.ptr.dev &&
+ p1.ptr.gen == p2.ptr.gen &&
+ (s64) p1.ptr.offset + p1.crc.offset - bkey_start_offset(k1.k) ==
+ (s64) p2.ptr.offset + p2.crc.offset - bkey_start_offset(k2.k))
+ return true;
return false;
} else {
static int extent_ptr_invalid(const struct bch_fs *c,
struct bkey_s_c k,
+ enum bkey_invalid_flags flags,
const struct bch_extent_ptr *ptr,
unsigned size_ondisk,
bool metadata,
struct bch_dev *ca;
if (!bch2_dev_exists2(c, ptr->dev)) {
+ /*
+ * If we're in the write path this key might have already been
+ * overwritten, and we could be seeing a device that doesn't
+ * exist anymore due to racing with device removal:
+ */
+ if (flags & BKEY_INVALID_WRITE)
+ return 0;
+
prt_printf(err, "pointer to invalid device (%u)", ptr->dev);
return -BCH_ERR_invalid_bkey;
}
}
int bch2_bkey_ptrs_invalid(const struct bch_fs *c, struct bkey_s_c k,
- unsigned flags, struct printbuf *err)
+ enum bkey_invalid_flags flags,
+ struct printbuf *err)
{
struct bkey_ptrs_c ptrs = bch2_bkey_ptrs_c(k);
const union bch_extent_entry *entry;
switch (extent_entry_type(entry)) {
case BCH_EXTENT_ENTRY_ptr:
- ret = extent_ptr_invalid(c, k, &entry->ptr, size_ondisk,
- false, err);
+ ret = extent_ptr_invalid(c, k, flags, &entry->ptr,
+ size_ondisk, false, err);
if (ret)
return ret;
}
have_ec = true;
break;
+ case BCH_EXTENT_ENTRY_rebalance:
+ break;
}
}
break;
case BCH_EXTENT_ENTRY_stripe_ptr:
break;
+ case BCH_EXTENT_ENTRY_rebalance:
+ break;
}
}
}
break;
case BCH_EXTENT_ENTRY_stripe_ptr:
break;
+ case BCH_EXTENT_ENTRY_rebalance:
+ break;
}
if (extent_entry_is_crc(entry))
projects / bcachefs-tools-debian / blobdiff