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authorKent Overstreet <kent.overstreet@gmail.com>2022-04-04 00:50:01 +0300
committerKent Overstreet <kent.overstreet@linux.dev>2023-10-23 00:09:30 +0300
commitf0ac7df23d04f3c6d4cd82899aad7f06f6a0b1d4 (patch)
treee11cada7a81e2d1daab091b4552a498055bdce31 /fs
parentd1d7737fd9df0cc57cd276b0189faf8c92c1426f (diff)
downloadlinux-f0ac7df23d04f3c6d4cd82899aad7f06f6a0b1d4.tar.xz
bcachefs: Convert .key_invalid methods to printbufs
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/bcachefs/alloc_background.c75
-rw-r--r--fs/bcachefs/alloc_background.h8
-rw-r--r--fs/bcachefs/bkey_methods.c147
-rw-r--r--fs/bcachefs/bkey_methods.h16
-rw-r--r--fs/bcachefs/btree_io.c74
-rw-r--r--fs/bcachefs/btree_update_interior.c20
-rw-r--r--fs/bcachefs/btree_update_leaf.c20
-rw-r--r--fs/bcachefs/buckets.h4
-rw-r--r--fs/bcachefs/dirent.c56
-rw-r--r--fs/bcachefs/dirent.h2
-rw-r--r--fs/bcachefs/ec.c32
-rw-r--r--fs/bcachefs/ec.h3
-rw-r--r--fs/bcachefs/extents.c187
-rw-r--r--fs/bcachefs/extents.h17
-rw-r--r--fs/bcachefs/inode.c130
-rw-r--r--fs/bcachefs/inode.h10
-rw-r--r--fs/bcachefs/journal_io.c29
-rw-r--r--fs/bcachefs/lru.c12
-rw-r--r--fs/bcachefs/lru.h2
-rw-r--r--fs/bcachefs/quota.c19
-rw-r--r--fs/bcachefs/quota.h2
-rw-r--r--fs/bcachefs/reflink.c45
-rw-r--r--fs/bcachefs/reflink.h8
-rw-r--r--fs/bcachefs/subvolume.c66
-rw-r--r--fs/bcachefs/subvolume.h4
-rw-r--r--fs/bcachefs/xattr.c43
-rw-r--r--fs/bcachefs/xattr.h2
27 files changed, 629 insertions, 404 deletions
diff --git a/fs/bcachefs/alloc_background.c b/fs/bcachefs/alloc_background.c
index b0f49044ea24..42ef752932eb 100644
--- a/fs/bcachefs/alloc_background.c
+++ b/fs/bcachefs/alloc_background.c
@@ -302,71 +302,86 @@ static unsigned bch_alloc_v1_val_u64s(const struct bch_alloc *a)
return DIV_ROUND_UP(bytes, sizeof(u64));
}
-const char *bch2_alloc_v1_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_alloc_v1_invalid(const struct bch_fs *c, struct bkey_s_c k, struct printbuf *err)
{
struct bkey_s_c_alloc a = bkey_s_c_to_alloc(k);
- if (k.k->p.inode >= c->sb.nr_devices ||
- !c->devs[k.k->p.inode])
- return "invalid device";
+ if (!bch2_dev_exists2(c, k.k->p.inode)) {
+ pr_buf(err, "invalid device (%llu)", k.k->p.inode);
+ return -EINVAL;
+ }
/* allow for unknown fields */
- if (bkey_val_u64s(a.k) < bch_alloc_v1_val_u64s(a.v))
- return "incorrect value size";
+ if (bkey_val_u64s(a.k) < bch_alloc_v1_val_u64s(a.v)) {
+ pr_buf(err, "incorrect value size (%zu < %u)",
+ bkey_val_u64s(a.k), bch_alloc_v1_val_u64s(a.v));
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
-const char *bch2_alloc_v2_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_alloc_v2_invalid(const struct bch_fs *c, struct bkey_s_c k, struct printbuf *err)
{
struct bkey_alloc_unpacked u;
- if (k.k->p.inode >= c->sb.nr_devices ||
- !c->devs[k.k->p.inode])
- return "invalid device";
+ if (!bch2_dev_exists2(c, k.k->p.inode)) {
+ pr_buf(err, "invalid device (%llu)", k.k->p.inode);
+ return -EINVAL;
+ }
- if (bch2_alloc_unpack_v2(&u, k))
- return "unpack error";
+ if (bch2_alloc_unpack_v2(&u, k)) {
+ pr_buf(err, "unpack error");
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
-const char *bch2_alloc_v3_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_alloc_v3_invalid(const struct bch_fs *c, struct bkey_s_c k, struct printbuf *err)
{
struct bkey_alloc_unpacked u;
struct bch_dev *ca;
- if (k.k->p.inode >= c->sb.nr_devices ||
- !c->devs[k.k->p.inode])
- return "invalid device";
+ if (!bch2_dev_exists2(c, k.k->p.inode)) {
+ pr_buf(err, "invalid device (%llu)", k.k->p.inode);
+ return -EINVAL;
+ }
ca = bch_dev_bkey_exists(c, k.k->p.inode);
if (k.k->p.offset < ca->mi.first_bucket ||
- k.k->p.offset >= ca->mi.nbuckets)
- return "invalid bucket";
+ k.k->p.offset >= ca->mi.nbuckets) {
+ pr_buf(err, "invalid bucket");
+ return -EINVAL;
+ }
- if (bch2_alloc_unpack_v3(&u, k))
- return "unpack error";
+ if (bch2_alloc_unpack_v3(&u, k)) {
+ pr_buf(err, "unpack error");
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
-const char *bch2_alloc_v4_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_alloc_v4_invalid(const struct bch_fs *c, struct bkey_s_c k, struct printbuf *err)
{
struct bch_dev *ca;
- if (k.k->p.inode >= c->sb.nr_devices ||
- !c->devs[k.k->p.inode])
- return "invalid device";
+ if (!bch2_dev_exists2(c, k.k->p.inode)) {
+ pr_buf(err, "invalid device (%llu)", k.k->p.inode);
+ return -EINVAL;
+ }
ca = bch_dev_bkey_exists(c, k.k->p.inode);
if (k.k->p.offset < ca->mi.first_bucket ||
- k.k->p.offset >= ca->mi.nbuckets)
- return "invalid bucket";
+ k.k->p.offset >= ca->mi.nbuckets) {
+ pr_buf(err, "invalid bucket");
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
void bch2_alloc_v4_swab(struct bkey_s k)
diff --git a/fs/bcachefs/alloc_background.h b/fs/bcachefs/alloc_background.h
index 3b49abf1bbc0..93bd8feb9ebc 100644
--- a/fs/bcachefs/alloc_background.h
+++ b/fs/bcachefs/alloc_background.h
@@ -66,10 +66,10 @@ int bch2_bucket_io_time_reset(struct btree_trans *, unsigned, size_t, int);
#define ALLOC_SCAN_BATCH(ca) max_t(size_t, 1, (ca)->mi.nbuckets >> 9)
-const char *bch2_alloc_v1_invalid(const struct bch_fs *, struct bkey_s_c);
-const char *bch2_alloc_v2_invalid(const struct bch_fs *, struct bkey_s_c);
-const char *bch2_alloc_v3_invalid(const struct bch_fs *, struct bkey_s_c);
-const char *bch2_alloc_v4_invalid(const struct bch_fs *, struct bkey_s_c k);
+int bch2_alloc_v1_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
+int bch2_alloc_v2_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
+int bch2_alloc_v3_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
+int bch2_alloc_v4_invalid(const struct bch_fs *, struct bkey_s_c k, struct printbuf *);
void bch2_alloc_v4_swab(struct bkey_s);
void bch2_alloc_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
diff --git a/fs/bcachefs/bkey_methods.c b/fs/bcachefs/bkey_methods.c
index 9a1819147749..0351cbe7d48e 100644
--- a/fs/bcachefs/bkey_methods.c
+++ b/fs/bcachefs/bkey_methods.c
@@ -22,10 +22,10 @@ const char * const bch2_bkey_types[] = {
NULL
};
-static const char *deleted_key_invalid(const struct bch_fs *c,
- struct bkey_s_c k)
+static int deleted_key_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
- return NULL;
+ return 0;
}
#define bch2_bkey_ops_deleted (struct bkey_ops) { \
@@ -36,25 +36,32 @@ static const char *deleted_key_invalid(const struct bch_fs *c,
.key_invalid = deleted_key_invalid, \
}
-static const char *empty_val_key_invalid(const struct bch_fs *c, struct bkey_s_c k)
+static int empty_val_key_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
- if (bkey_val_bytes(k.k))
- return "value size should be zero";
+ if (bkey_val_bytes(k.k)) {
+ pr_buf(err, "incorrect value size (%zu != 0)",
+ bkey_val_bytes(k.k));
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
#define bch2_bkey_ops_error (struct bkey_ops) { \
.key_invalid = empty_val_key_invalid, \
}
-static const char *key_type_cookie_invalid(const struct bch_fs *c,
- struct bkey_s_c k)
+static int key_type_cookie_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
- if (bkey_val_bytes(k.k) != sizeof(struct bch_cookie))
- return "incorrect value size";
+ if (bkey_val_bytes(k.k) != sizeof(struct bch_cookie)) {
+ pr_buf(err, "incorrect value size (%zu != %zu)",
+ bkey_val_bytes(k.k), sizeof(struct bch_cookie));
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
#define bch2_bkey_ops_cookie (struct bkey_ops) { \
@@ -65,10 +72,10 @@ static const char *key_type_cookie_invalid(const struct bch_fs *c,
.key_invalid = empty_val_key_invalid, \
}
-static const char *key_type_inline_data_invalid(const struct bch_fs *c,
- struct bkey_s_c k)
+static int key_type_inline_data_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
- return NULL;
+ return 0;
}
static void key_type_inline_data_to_text(struct printbuf *out, struct bch_fs *c,
@@ -86,11 +93,16 @@ static void key_type_inline_data_to_text(struct printbuf *out, struct bch_fs *c,
.val_to_text = key_type_inline_data_to_text, \
}
-static const char *key_type_set_invalid(const struct bch_fs *c, struct bkey_s_c k)
+static int key_type_set_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
- if (bkey_val_bytes(k.k))
- return "nonempty value";
- return NULL;
+ if (bkey_val_bytes(k.k)) {
+ pr_buf(err, "incorrect value size (%zu != %zu)",
+ bkey_val_bytes(k.k), sizeof(struct bch_cookie));
+ return -EINVAL;
+ }
+
+ return 0;
}
static bool key_type_set_merge(struct bch_fs *c, struct bkey_s l, struct bkey_s_c r)
@@ -110,12 +122,14 @@ const struct bkey_ops bch2_bkey_ops[] = {
#undef x
};
-const char *bch2_bkey_val_invalid(struct bch_fs *c, struct bkey_s_c k)
+int bch2_bkey_val_invalid(struct bch_fs *c, struct bkey_s_c k, struct printbuf *err)
{
- if (k.k->type >= KEY_TYPE_MAX)
- return "invalid type";
+ if (k.k->type >= KEY_TYPE_MAX) {
+ pr_buf(err, "invalid type (%u >= %u)", k.k->type, KEY_TYPE_MAX);
+ return -EINVAL;
+ }
- return bch2_bkey_ops[k.k->type].key_invalid(c, k);
+ return bch2_bkey_ops[k.k->type].key_invalid(c, k, err);
}
static unsigned bch2_key_types_allowed[] = {
@@ -182,63 +196,84 @@ static unsigned bch2_key_types_allowed[] = {
(1U << KEY_TYPE_btree_ptr_v2),
};
-const char *__bch2_bkey_invalid(struct bch_fs *c, struct bkey_s_c k,
- enum btree_node_type type)
+int __bch2_bkey_invalid(struct bch_fs *c, struct bkey_s_c k,
+ enum btree_node_type type,
+ struct printbuf *err)
{
- if (k.k->u64s < BKEY_U64s)
- return "u64s too small";
-
- if (!(bch2_key_types_allowed[type] & (1U << k.k->type)))
- return "invalid key type for this btree";
+ if (k.k->u64s < BKEY_U64s) {
+ pr_buf(err, "u64s too small (%u < %zu)", k.k->u64s, BKEY_U64s);
+ return -EINVAL;
+ }
- if (type == BKEY_TYPE_btree &&
- bkey_val_u64s(k.k) > BKEY_BTREE_PTR_VAL_U64s_MAX)
- return "value too big";
+ if (!(bch2_key_types_allowed[type] & (1U << k.k->type))) {
+ pr_buf(err, "invalid key type for this btree (%s)",
+ bch2_bkey_types[type]);
+ return -EINVAL;
+ }
if (btree_node_type_is_extents(type) && !bkey_whiteout(k.k)) {
- if (k.k->size == 0)
- return "bad size field";
+ if (k.k->size == 0) {
+ pr_buf(err, "size == 0");
+ return -EINVAL;
+ }
- if (k.k->size > k.k->p.offset)
- return "size greater than offset";
+ if (k.k->size > k.k->p.offset) {
+ pr_buf(err, "size greater than offset (%u > %llu)",
+ k.k->size, k.k->p.offset);
+ return -EINVAL;
+ }
} else {
- if (k.k->size)
- return "nonzero size field";
+ if (k.k->size) {
+ pr_buf(err, "size != 0");
+ return -EINVAL;
+ }
}
if (type != BKEY_TYPE_btree &&
!btree_type_has_snapshots(type) &&
- k.k->p.snapshot)
- return "nonzero snapshot";
+ k.k->p.snapshot) {
+ pr_buf(err, "nonzero snapshot");
+ return -EINVAL;
+ }
if (type != BKEY_TYPE_btree &&
btree_type_has_snapshots(type) &&
- !k.k->p.snapshot)
- return "invalid snapshot field";
+ !k.k->p.snapshot) {
+ pr_buf(err, "snapshot == 0");
+ return -EINVAL;
+ }
if (type != BKEY_TYPE_btree &&
- !bkey_cmp(k.k->p, POS_MAX))
- return "POS_MAX key";
+ !bkey_cmp(k.k->p, POS_MAX)) {
+ pr_buf(err, "key at POS_MAX");
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
-const char *bch2_bkey_invalid(struct bch_fs *c, struct bkey_s_c k,
- enum btree_node_type type)
+int bch2_bkey_invalid(struct bch_fs *c, struct bkey_s_c k,
+ enum btree_node_type type,
+ struct printbuf *err)
{
- return __bch2_bkey_invalid(c, k, type) ?:
- bch2_bkey_val_invalid(c, k);
+ return __bch2_bkey_invalid(c, k, type, err) ?:
+ bch2_bkey_val_invalid(c, k, err);
}
-const char *bch2_bkey_in_btree_node(struct btree *b, struct bkey_s_c k)
+int bch2_bkey_in_btree_node(struct btree *b, struct bkey_s_c k,
+ struct printbuf *err)
{
- if (bpos_cmp(k.k->p, b->data->min_key) < 0)
- return "key before start of btree node";
+ if (bpos_cmp(k.k->p, b->data->min_key) < 0) {
+ pr_buf(err, "key before start of btree node");
+ return -EINVAL;
+ }
- if (bpos_cmp(k.k->p, b->data->max_key) > 0)
- return "key past end of btree node";
+ if (bpos_cmp(k.k->p, b->data->max_key) > 0) {
+ pr_buf(err, "key past end of btree node");
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
void bch2_bpos_to_text(struct printbuf *out, struct bpos pos)
diff --git a/fs/bcachefs/bkey_methods.h b/fs/bcachefs/bkey_methods.h
index 2b1086971bbb..4b90d0873be6 100644
--- a/fs/bcachefs/bkey_methods.h
+++ b/fs/bcachefs/bkey_methods.h
@@ -14,8 +14,8 @@ extern const char * const bch2_bkey_types[];
struct bkey_ops {
/* Returns reason for being invalid if invalid, else NULL: */
- const char * (*key_invalid)(const struct bch_fs *,
- struct bkey_s_c);
+ int (*key_invalid)(const struct bch_fs *, struct bkey_s_c,
+ struct printbuf *);
void (*val_to_text)(struct printbuf *, struct bch_fs *,
struct bkey_s_c);
void (*swab)(struct bkey_s);
@@ -32,12 +32,12 @@ struct bkey_ops {
extern const struct bkey_ops bch2_bkey_ops[];
-const char *bch2_bkey_val_invalid(struct bch_fs *, struct bkey_s_c);
-const char *__bch2_bkey_invalid(struct bch_fs *, struct bkey_s_c,
- enum btree_node_type);
-const char *bch2_bkey_invalid(struct bch_fs *, struct bkey_s_c,
- enum btree_node_type);
-const char *bch2_bkey_in_btree_node(struct btree *, struct bkey_s_c);
+int bch2_bkey_val_invalid(struct bch_fs *, struct bkey_s_c, struct printbuf *);
+int __bch2_bkey_invalid(struct bch_fs *, struct bkey_s_c,
+ enum btree_node_type, struct printbuf *);
+int bch2_bkey_invalid(struct bch_fs *, struct bkey_s_c,
+ enum btree_node_type, struct printbuf *);
+int bch2_bkey_in_btree_node(struct btree *, struct bkey_s_c, struct printbuf *);
void bch2_bpos_to_text(struct printbuf *, struct bpos);
void bch2_bkey_to_text(struct printbuf *, const struct bkey *);
diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
index b1099958ed5e..d2b3ff6b9b15 100644
--- a/fs/bcachefs/btree_io.c
+++ b/fs/bcachefs/btree_io.c
@@ -762,14 +762,23 @@ fsck_err:
return ret;
}
+static int bset_key_invalid(struct bch_fs *c, struct btree *b,
+ struct bkey_s_c k,
+ bool updated_range, int write,
+ struct printbuf *err)
+{
+ return __bch2_bkey_invalid(c, k, btree_node_type(b), err) ?:
+ (!updated_range ? bch2_bkey_in_btree_node(b, k, err) : 0) ?:
+ (write ? bch2_bkey_val_invalid(c, k, err) : 0);
+}
+
static int validate_bset_keys(struct bch_fs *c, struct btree *b,
struct bset *i, unsigned *whiteout_u64s,
int write, bool have_retry)
{
unsigned version = le16_to_cpu(i->version);
struct bkey_packed *k, *prev = NULL;
- struct printbuf buf1 = PRINTBUF;
- struct printbuf buf2 = PRINTBUF;
+ struct printbuf buf = PRINTBUF;
bool updated_range = b->key.k.type == KEY_TYPE_btree_ptr_v2 &&
BTREE_PTR_RANGE_UPDATED(&bkey_i_to_btree_ptr_v2(&b->key)->v);
int ret = 0;
@@ -778,7 +787,6 @@ static int validate_bset_keys(struct bch_fs *c, struct btree *b,
k != vstruct_last(i);) {
struct bkey_s u;
struct bkey tmp;
- const char *invalid;
if (btree_err_on(bkey_next(k) > vstruct_last(i),
BTREE_ERR_FIXABLE, c, NULL, b, i,
@@ -804,14 +812,15 @@ static int validate_bset_keys(struct bch_fs *c, struct btree *b,
u = __bkey_disassemble(b, k, &tmp);
- invalid = __bch2_bkey_invalid(c, u.s_c, btree_node_type(b)) ?:
- (!updated_range ? bch2_bkey_in_btree_node(b, u.s_c) : NULL) ?:
- (write ? bch2_bkey_val_invalid(c, u.s_c) : NULL);
- if (invalid) {
- printbuf_reset(&buf1);
- bch2_bkey_val_to_text(&buf1, c, u.s_c);
- btree_err(BTREE_ERR_FIXABLE, c, NULL, b, i,
- "invalid bkey: %s\n%s", invalid, buf1.buf);
+ printbuf_reset(&buf);
+ if (bset_key_invalid(c, b, u.s_c, updated_range, write, &buf)) {
+ printbuf_reset(&buf);
+ pr_buf(&buf, "invalid bkey:\n ");
+ bch2_bkey_val_to_text(&buf, c, u.s_c);
+ pr_buf(&buf, " \n");
+ bset_key_invalid(c, b, u.s_c, updated_range, write, &buf);
+
+ btree_err(BTREE_ERR_FIXABLE, c, NULL, b, i, "%s", buf.buf);
i->u64s = cpu_to_le16(le16_to_cpu(i->u64s) - k->u64s);
memmove_u64s_down(k, bkey_next(k),
@@ -827,16 +836,15 @@ static int validate_bset_keys(struct bch_fs *c, struct btree *b,
if (prev && bkey_iter_cmp(b, prev, k) > 0) {
struct bkey up = bkey_unpack_key(b, prev);
- printbuf_reset(&buf1);
- bch2_bkey_to_text(&buf1, &up);
- printbuf_reset(&buf2);
- bch2_bkey_to_text(&buf2, u.k);
+ printbuf_reset(&buf);
+ pr_buf(&buf, "keys out of order: ");
+ bch2_bkey_to_text(&buf, &up);
+ pr_buf(&buf, " > ");
+ bch2_bkey_to_text(&buf, u.k);
bch2_dump_bset(c, b, i, 0);
- if (btree_err(BTREE_ERR_FIXABLE, c, NULL, b, i,
- "keys out of order: %s > %s",
- buf1.buf, buf2.buf)) {
+ if (btree_err(BTREE_ERR_FIXABLE, c, NULL, b, i, "%s", buf.buf)) {
i->u64s = cpu_to_le16(le16_to_cpu(i->u64s) - k->u64s);
memmove_u64s_down(k, bkey_next(k),
(u64 *) vstruct_end(i) - (u64 *) k);
@@ -848,8 +856,7 @@ static int validate_bset_keys(struct bch_fs *c, struct btree *b,
k = bkey_next(k);
}
fsck_err:
- printbuf_exit(&buf2);
- printbuf_exit(&buf1);
+ printbuf_exit(&buf);
return ret;
}
@@ -868,6 +875,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
unsigned u64s;
unsigned blacklisted_written, nonblacklisted_written = 0;
unsigned ptr_written = btree_ptr_sectors_written(&b->key);
+ struct printbuf buf = PRINTBUF;
int ret, retry_read = 0, write = READ;
b->version_ondisk = U16_MAX;
@@ -1060,17 +1068,20 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
for (k = i->start; k != vstruct_last(i);) {
struct bkey tmp;
struct bkey_s u = __bkey_disassemble(b, k, &tmp);
- const char *invalid = bch2_bkey_val_invalid(c, u.s_c);
- if (invalid ||
+ printbuf_reset(&buf);
+
+ if (bch2_bkey_val_invalid(c, u.s_c, &buf) ||
(bch2_inject_invalid_keys &&
!bversion_cmp(u.k->version, MAX_VERSION))) {
- struct printbuf buf = PRINTBUF;
+ printbuf_reset(&buf);
+ pr_buf(&buf, "invalid bkey\n ");
bch2_bkey_val_to_text(&buf, c, u.s_c);
- btree_err(BTREE_ERR_FIXABLE, c, NULL, b, i,
- "invalid bkey %s: %s", buf.buf, invalid);
- printbuf_exit(&buf);
+ pr_buf(&buf, "\n ");
+ bch2_bkey_val_invalid(c, u.s_c, &buf);
+
+ btree_err(BTREE_ERR_FIXABLE, c, NULL, b, i, "%s", buf.buf);
btree_keys_account_key_drop(&b->nr, 0, k);
@@ -1107,6 +1118,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
set_btree_node_need_rewrite(b);
out:
mempool_free(iter, &c->fill_iter);
+ printbuf_exit(&buf);
return retry_read;
fsck_err:
if (ret == BTREE_RETRY_READ) {
@@ -1715,10 +1727,16 @@ static int validate_bset_for_write(struct bch_fs *c, struct btree *b,
struct bset *i, unsigned sectors)
{
unsigned whiteout_u64s = 0;
+ struct printbuf buf = PRINTBUF;
int ret;
- if (bch2_bkey_invalid(c, bkey_i_to_s_c(&b->key), BKEY_TYPE_btree))
- return -1;
+ ret = bch2_bkey_invalid(c, bkey_i_to_s_c(&b->key), BKEY_TYPE_btree, &buf);
+
+ if (ret)
+ bch2_fs_inconsistent(c, "invalid btree node key before write: %s", buf.buf);
+ printbuf_exit(&buf);
+ if (ret)
+ return ret;
ret = validate_bset_keys(c, b, i, &whiteout_u64s, WRITE, false) ?:
validate_bset(c, NULL, b, i, b->written, sectors, WRITE, false);
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index 2e958f88777b..0e3b3565be59 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -1176,7 +1176,7 @@ static void bch2_insert_fixup_btree_ptr(struct btree_update *as,
{
struct bch_fs *c = as->c;
struct bkey_packed *k;
- const char *invalid;
+ struct printbuf buf = PRINTBUF;
BUG_ON(insert->k.type == KEY_TYPE_btree_ptr_v2 &&
!btree_ptr_sectors_written(insert));
@@ -1184,14 +1184,16 @@ static void bch2_insert_fixup_btree_ptr(struct btree_update *as,
if (unlikely(!test_bit(JOURNAL_REPLAY_DONE, &c->journal.flags)))
bch2_journal_key_overwritten(c, b->c.btree_id, b->c.level, insert->k.p);
- invalid = bch2_bkey_invalid(c, bkey_i_to_s_c(insert), btree_node_type(b)) ?:
- bch2_bkey_in_btree_node(b, bkey_i_to_s_c(insert));
- if (invalid) {
- struct printbuf buf = PRINTBUF;
-
+ if (bch2_bkey_invalid(c, bkey_i_to_s_c(insert), btree_node_type(b), &buf) ?:
+ bch2_bkey_in_btree_node(b, bkey_i_to_s_c(insert), &buf)) {
+ printbuf_reset(&buf);
+ pr_buf(&buf, "inserting invalid bkey\n ");
bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(insert));
- bch2_fs_inconsistent(c, "inserting invalid bkey %s: %s", buf.buf, invalid);
- printbuf_exit(&buf);
+ pr_buf(&buf, "\n ");
+ bch2_bkey_invalid(c, bkey_i_to_s_c(insert), btree_node_type(b), &buf);
+ bch2_bkey_in_btree_node(b, bkey_i_to_s_c(insert), &buf);
+
+ bch2_fs_inconsistent(c, "%s", buf.buf);
dump_stack();
}
@@ -1211,6 +1213,8 @@ static void bch2_insert_fixup_btree_ptr(struct btree_update *as,
bch2_btree_bset_insert_key(trans, path, b, node_iter, insert);
set_btree_node_dirty_acct(c, b);
set_btree_node_need_write(b);
+
+ printbuf_exit(&buf);
}
static void
diff --git a/fs/bcachefs/btree_update_leaf.c b/fs/bcachefs/btree_update_leaf.c
index 90e6e5130672..fce93ed65ed9 100644
--- a/fs/bcachefs/btree_update_leaf.c
+++ b/fs/bcachefs/btree_update_leaf.c
@@ -862,23 +862,31 @@ static inline int do_bch2_trans_commit(struct btree_trans *trans,
{
struct bch_fs *c = trans->c;
struct btree_insert_entry *i;
+ struct printbuf buf = PRINTBUF;
int ret, u64s_delta = 0;
trans_for_each_update(trans, i) {
- const char *invalid = bch2_bkey_invalid(c,
- bkey_i_to_s_c(i->k), i->bkey_type);
- if (invalid) {
- struct printbuf buf = PRINTBUF;
+ if (bch2_bkey_invalid(c, bkey_i_to_s_c(i->k), i->bkey_type, &buf)) {
+ printbuf_reset(&buf);
+ pr_buf(&buf, "invalid bkey on insert from %s -> %ps",
+ trans->fn, (void *) i->ip_allocated);
+ pr_newline(&buf);
+ pr_indent_push(&buf, 2);
bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(i->k));
- bch2_fs_fatal_error(c, "invalid bkey %s on insert from %s -> %ps: %s\n",
- buf.buf, trans->fn, (void *) i->ip_allocated, invalid);
+ pr_newline(&buf);
+
+ bch2_bkey_invalid(c, bkey_i_to_s_c(i->k), i->bkey_type, &buf);
+
+ bch2_fs_fatal_error(c, "%s", buf.buf);
printbuf_exit(&buf);
return -EINVAL;
}
btree_insert_entry_checks(trans, i);
}
+ printbuf_exit(&buf);
+
trans_for_each_update(trans, i) {
if (i->cached)
continue;
diff --git a/fs/bcachefs/buckets.h b/fs/bcachefs/buckets.h
index 4675a1f5d189..053b6dc215b3 100644
--- a/fs/bcachefs/buckets.h
+++ b/fs/bcachefs/buckets.h
@@ -9,6 +9,7 @@
#define _BUCKETS_H
#include "buckets_types.h"
+#include "extents.h"
#include "super.h"
#define for_each_bucket(_b, _buckets) \
@@ -83,8 +84,7 @@ static inline struct bucket *PTR_GC_BUCKET(struct bch_dev *ca,
static inline enum bch_data_type ptr_data_type(const struct bkey *k,
const struct bch_extent_ptr *ptr)
{
- if (k->type == KEY_TYPE_btree_ptr ||
- k->type == KEY_TYPE_btree_ptr_v2)
+ if (bkey_is_btree_ptr(k))
return BCH_DATA_btree;
return ptr->cached ? BCH_DATA_cached : BCH_DATA_user;
diff --git a/fs/bcachefs/dirent.c b/fs/bcachefs/dirent.c
index 760e4f74715f..e8a284a69be4 100644
--- a/fs/bcachefs/dirent.c
+++ b/fs/bcachefs/dirent.c
@@ -83,38 +83,58 @@ const struct bch_hash_desc bch2_dirent_hash_desc = {
.is_visible = dirent_is_visible,
};
-const char *bch2_dirent_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_dirent_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
struct bkey_s_c_dirent d = bkey_s_c_to_dirent(k);
unsigned len;
- if (bkey_val_bytes(k.k) < sizeof(struct bch_dirent))
- return "value too small";
+ if (bkey_val_bytes(k.k) < sizeof(struct bch_dirent)) {
+ pr_buf(err, "incorrect value size (%zu < %zu)",
+ bkey_val_bytes(k.k), sizeof(*d.v));
+ return -EINVAL;
+ }
len = bch2_dirent_name_bytes(d);
- if (!len)
- return "empty name";
+ if (!len) {
+ pr_buf(err, "empty name");
+ return -EINVAL;
+ }
- if (bkey_val_u64s(k.k) > dirent_val_u64s(len))
- return "value too big";
+ if (bkey_val_u64s(k.k) > dirent_val_u64s(len)) {
+ pr_buf(err, "value too big (%zu > %u)",
+ bkey_val_u64s(k.k),dirent_val_u64s(len));
+ return -EINVAL;
+ }
- if (len > BCH_NAME_MAX)
- return "dirent name too big";
+ if (len > BCH_NAME_MAX) {
+ pr_buf(err, "dirent name too big (%u > %lu)",
+ len, BCH_NAME_MAX);
+ return -EINVAL;
+ }
- if (len == 1 && !memcmp(d.v->d_name, ".", 1))
- return "invalid name";
+ if (len == 1 && !memcmp(d.v->d_name, ".", 1)) {
+ pr_buf(err, "invalid name");
+ return -EINVAL;
+ }
- if (len == 2 && !memcmp(d.v->d_name, "..", 2))
- return "invalid name";
+ if (len == 2 && !memcmp(d.v->d_name, "..", 2)) {
+ pr_buf(err, "invalid name");
+ return -EINVAL;
+ }
- if (memchr(d.v->d_name, '/', len))
- return "invalid name";
+ if (memchr(d.v->d_name, '/', len)) {
+ pr_buf(err, "invalid name");
+ return -EINVAL;
+ }
if (d.v->d_type != DT_SUBVOL &&
- le64_to_cpu(d.v->d_inum) == d.k->p.inode)
- return "dirent points to own directory";
+ le64_to_cpu(d.v->d_inum) == d.k->p.inode) {
+ pr_buf(err, "dirent points to own directory");
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
void bch2_dirent_to_text(struct printbuf *out, struct bch_fs *c,
diff --git a/fs/bcachefs/dirent.h b/fs/bcachefs/dirent.h
index 1bb4d802bc1d..046f297a4eff 100644
--- a/fs/bcachefs/dirent.h
+++ b/fs/bcachefs/dirent.h
@@ -6,7 +6,7 @@
extern const struct bch_hash_desc bch2_dirent_hash_desc;
-const char *bch2_dirent_invalid(const struct bch_fs *, struct bkey_s_c);
+int bch2_dirent_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
void bch2_dirent_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
#define bch2_bkey_ops_dirent (struct bkey_ops) { \
diff --git a/fs/bcachefs/ec.c b/fs/bcachefs/ec.c
index 5030a5b831af..cf9ecb7711c6 100644
--- a/fs/bcachefs/ec.c
+++ b/fs/bcachefs/ec.c
@@ -102,24 +102,34 @@ struct ec_bio {
/* Stripes btree keys: */
-const char *bch2_stripe_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_stripe_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
const struct bch_stripe *s = bkey_s_c_to_stripe(k).v;
- if (!bkey_cmp(k.k->p, POS_MIN))
- return "stripe at pos 0";
+ if (!bkey_cmp(k.k->p, POS_MIN)) {
+ pr_buf(err, "stripe at POS_MIN");
+ return -EINVAL;
+ }
- if (k.k->p.inode)
- return "invalid stripe key";
+ if (k.k->p.inode) {
+ pr_buf(err, "nonzero inode field");
+ return -EINVAL;
+ }
- if (bkey_val_bytes(k.k) < sizeof(*s))
- return "incorrect value size";
+ if (bkey_val_bytes(k.k) < sizeof(*s)) {
+ pr_buf(err, "incorrect value size (%zu < %zu)",
+ bkey_val_bytes(k.k), sizeof(*s));
+ return -EINVAL;
+ }
- if (bkey_val_bytes(k.k) < sizeof(*s) ||
- bkey_val_u64s(k.k) < stripe_val_u64s(s))
- return "incorrect value size";
+ if (bkey_val_u64s(k.k) < stripe_val_u64s(s)) {
+ pr_buf(err, "incorrect value size (%zu < %u)",
+ bkey_val_u64s(k.k), stripe_val_u64s(s));
+ return -EINVAL;
+ }
- return bch2_bkey_ptrs_invalid(c, k);
+ return bch2_bkey_ptrs_invalid(c, k, err);
}
void bch2_stripe_to_text(struct printbuf *out, struct bch_fs *c,
diff --git a/fs/bcachefs/ec.h b/fs/bcachefs/ec.h
index 9d508a2f3bbc..8e866460f8a0 100644
--- a/fs/bcachefs/ec.h
+++ b/fs/bcachefs/ec.h
@@ -6,7 +6,8 @@
#include "buckets_types.h"
#include "keylist_types.h"
-const char *bch2_stripe_invalid(const struct bch_fs *, struct bkey_s_c);
+int bch2_stripe_invalid(const struct bch_fs *, struct bkey_s_c,
+ struct printbuf *);
void bch2_stripe_to_text(struct printbuf *, struct bch_fs *,
struct bkey_s_c);
diff --git a/fs/bcachefs/extents.c b/fs/bcachefs/extents.c
index 01d14645579b..e09636023882 100644
--- a/fs/bcachefs/extents.c
+++ b/fs/bcachefs/extents.c
@@ -155,12 +155,16 @@ int bch2_bkey_pick_read_device(struct bch_fs *c, struct bkey_s_c k,
/* KEY_TYPE_btree_ptr: */
-const char *bch2_btree_ptr_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_btree_ptr_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
- if (bkey_val_u64s(k.k) > BCH_REPLICAS_MAX)
- return "value too big";
+ if (bkey_val_u64s(k.k) > BCH_REPLICAS_MAX) {
+ pr_buf(err, "value too big (%zu > %u)",
+ bkey_val_u64s(k.k), BCH_REPLICAS_MAX);
+ return -EINVAL;
+ }
- return bch2_bkey_ptrs_invalid(c, k);
+ return bch2_bkey_ptrs_invalid(c, k, err);
}
void bch2_btree_ptr_to_text(struct printbuf *out, struct bch_fs *c,
@@ -169,21 +173,31 @@ void bch2_btree_ptr_to_text(struct printbuf *out, struct bch_fs *c,
bch2_bkey_ptrs_to_text(out, c, k);
}
-const char *bch2_btree_ptr_v2_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_btree_ptr_v2_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ 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))
- return "value too small";
+ if (bkey_val_bytes(k.k) <= sizeof(*bp.v)) {
+ pr_buf(err, "value too small (%zu <= %zu)",
+ bkey_val_bytes(k.k), sizeof(*bp.v));
+ return -EINVAL;
+ }
- if (bkey_val_u64s(k.k) > BKEY_BTREE_PTR_VAL_U64s_MAX)
- return "value too big";
+ if (bkey_val_u64s(k.k) > BKEY_BTREE_PTR_VAL_U64s_MAX) {
+ pr_buf(err, "value too big (%zu > %zu)",
+ bkey_val_u64s(k.k), BKEY_BTREE_PTR_VAL_U64s_MAX);
+ return -EINVAL;
+ }
if (c->sb.version < bcachefs_metadata_version_snapshot &&
- bp.v->min_key.snapshot)
- return "invalid min_key.snapshot";
+ bp.v->min_key.snapshot) {
+ pr_buf(err, "invalid min_key.snapshot (%u != 0)",
+ bp.v->min_key.snapshot);
+ return -EINVAL;
+ }
- return bch2_bkey_ptrs_invalid(c, k);
+ return bch2_bkey_ptrs_invalid(c, k, err);
}
void bch2_btree_ptr_v2_to_text(struct printbuf *out, struct bch_fs *c,
@@ -219,17 +233,6 @@ void bch2_btree_ptr_v2_compat(enum btree_id btree_id, unsigned version,
/* KEY_TYPE_extent: */
-const char *bch2_extent_invalid(const struct bch_fs *c, struct bkey_s_c k)
-{
- return bch2_bkey_ptrs_invalid(c, k);
-}
-
-void bch2_extent_to_text(struct printbuf *out, struct bch_fs *c,
- struct bkey_s_c k)
-{
- bch2_bkey_ptrs_to_text(out, c, k);
-}
-
bool bch2_extent_merge(struct bch_fs *c, struct bkey_s l, struct bkey_s_c r)
{
struct bkey_ptrs l_ptrs = bch2_bkey_ptrs(l);
@@ -362,17 +365,24 @@ bool bch2_extent_merge(struct bch_fs *c, struct bkey_s l, struct bkey_s_c r)
/* KEY_TYPE_reservation: */
-const char *bch2_reservation_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_reservation_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ 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))
- return "incorrect value size";
+ if (bkey_val_bytes(k.k) != sizeof(struct bch_reservation)) {
+ pr_buf(err, "incorrect value size (%zu != %zu)",
+ bkey_val_bytes(k.k), sizeof(*r.v));
+ return -EINVAL;
+ }
- if (!r.v->nr_replicas || r.v->nr_replicas > BCH_REPLICAS_MAX)
- return "invalid nr_replicas";
+ if (!r.v->nr_replicas || r.v->nr_replicas > BCH_REPLICAS_MAX) {
+ pr_buf(err, "invalid nr_replicas (%u)",
+ r.v->nr_replicas);
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
void bch2_reservation_to_text(struct printbuf *out, struct bch_fs *c,
@@ -1000,69 +1010,86 @@ void bch2_bkey_ptrs_to_text(struct printbuf *out, struct bch_fs *c,
}
}
-static const char *extent_ptr_invalid(const struct bch_fs *c,
- struct bkey_s_c k,
- const struct bch_extent_ptr *ptr,
- unsigned size_ondisk,
- bool metadata)
+static int extent_ptr_invalid(const struct bch_fs *c,
+ struct bkey_s_c k,
+ const struct bch_extent_ptr *ptr,
+ unsigned size_ondisk,
+ bool metadata,
+ struct printbuf *err)
{
struct bkey_ptrs_c ptrs = bch2_bkey_ptrs_c(k);
const struct bch_extent_ptr *ptr2;
+ u64 bucket;
+ u32 bucket_offset;
struct bch_dev *ca;
- if (!bch2_dev_exists2(c, ptr->dev))
- return "pointer to invalid device";
+ if (!bch2_dev_exists2(c, ptr->dev)) {
+ pr_buf(err, "pointer to invalid device (%u)", ptr->dev);
+ return -EINVAL;
+ }
ca = bch_dev_bkey_exists(c, ptr->dev);
- if (!ca)
- return "pointer to invalid device";
-
bkey_for_each_ptr(ptrs, ptr2)
- if (ptr != ptr2 && ptr->dev == ptr2->dev)
- return "multiple pointers to same device";
+ if (ptr != ptr2 && ptr->dev == ptr2->dev) {
+ pr_buf(err, "multiple pointers to same device (%u)", ptr->dev);
+ return -EINVAL;
+ }
- if (ptr->offset + size_ondisk > bucket_to_sector(ca, ca->mi.nbuckets))
- return "offset past end of device";
+ bucket = sector_to_bucket_and_offset(ca, ptr->offset, &bucket_offset);
- if (ptr->offset < bucket_to_sector(ca, ca->mi.first_bucket))
- return "offset before first bucket";
+ if (bucket >= ca->mi.nbuckets) {
+ pr_buf(err, "pointer past last bucket (%llu > %llu)",
+ bucket, ca->mi.nbuckets);
+ return -EINVAL;
+ }
- if (bucket_remainder(ca, ptr->offset) +
- size_ondisk > ca->mi.bucket_size)
- return "spans multiple buckets";
+ if (ptr->offset < bucket_to_sector(ca, ca->mi.first_bucket)) {
+ pr_buf(err, "pointer before first bucket (%llu < %u)",
+ bucket, ca->mi.first_bucket);
+ return -EINVAL;
+ }
- return NULL;
+ if (bucket_offset + size_ondisk > ca->mi.bucket_size) {
+ pr_buf(err, "pointer spans multiple buckets (%u + %u > %u)",
+ bucket_offset, size_ondisk, ca->mi.bucket_size);
+ return -EINVAL;
+ }
+
+ return 0;
}
-const char *bch2_bkey_ptrs_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_bkey_ptrs_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
struct bkey_ptrs_c ptrs = bch2_bkey_ptrs_c(k);
- struct bch_devs_list devs;
const union bch_extent_entry *entry;
struct bch_extent_crc_unpacked crc;
unsigned size_ondisk = k.k->size;
- const char *reason;
unsigned nonce = UINT_MAX;
- unsigned i;
+ int ret;
- if (k.k->type == KEY_TYPE_btree_ptr ||
- k.k->type == KEY_TYPE_btree_ptr_v2)
+ if (bkey_is_btree_ptr(k.k))
size_ondisk = btree_sectors(c);
bkey_extent_entry_for_each(ptrs, entry) {
- if (__extent_entry_type(entry) >= BCH_EXTENT_ENTRY_MAX)
- return "invalid extent entry type";
+ if (__extent_entry_type(entry) >= BCH_EXTENT_ENTRY_MAX) {
+ pr_buf(err, "invalid extent entry type (got %u, max %u)",
+ __extent_entry_type(entry), BCH_EXTENT_ENTRY_MAX);
+ return -EINVAL;
+ }
- if (k.k->type == KEY_TYPE_btree_ptr &&
- !extent_entry_is_ptr(entry))
- return "has non ptr field";
+ if (bkey_is_btree_ptr(k.k) &&
+ !extent_entry_is_ptr(entry)) {
+ pr_buf(err, "has non ptr field");
+ return -EINVAL;
+ }
switch (extent_entry_type(entry)) {
case BCH_EXTENT_ENTRY_ptr:
- reason = extent_ptr_invalid(c, k, &entry->ptr,
- size_ondisk, false);
- if (reason)
- return reason;
+ ret = extent_ptr_invalid(c, k, &entry->ptr, size_ondisk,
+ false, err);
+ if (ret)
+ return ret;
break;
case BCH_EXTENT_ENTRY_crc32:
case BCH_EXTENT_ENTRY_crc64:
@@ -1070,22 +1097,30 @@ const char *bch2_bkey_ptrs_invalid(const struct bch_fs *c, struct bkey_s_c k)
crc = bch2_extent_crc_unpack(k.k, entry_to_crc(entry));
if (crc.offset + crc.live_size >
- crc.uncompressed_size)
- return "checksum offset + key size > uncompressed size";
+ crc.uncompressed_size) {
+ pr_buf(err, "checksum offset + key size > uncompressed size");
+ return -EINVAL;
+ }
size_ondisk = crc.compressed_size;
- if (!bch2_checksum_type_valid(c, crc.csum_type))
- return "invalid checksum type";
+ if (!bch2_checksum_type_valid(c, crc.csum_type)) {
+ pr_buf(err, "invalid checksum type");
+ return -EINVAL;
+ }
- if (crc.compression_type >= BCH_COMPRESSION_TYPE_NR)
- return "invalid compression type";
+ if (crc.compression_type >= BCH_COMPRESSION_TYPE_NR) {
+ pr_buf(err, "invalid compression type");
+ return -EINVAL;
+ }
if (bch2_csum_type_is_encryption(crc.csum_type)) {
if (nonce == UINT_MAX)
nonce = crc.offset + crc.nonce;
- else if (nonce != crc.offset + crc.nonce)
- return "incorrect nonce";
+ else if (nonce != crc.offset + crc.nonce) {
+ pr_buf(err, "incorrect nonce");
+ return -EINVAL;
+ }
}
break;
case BCH_EXTENT_ENTRY_stripe_ptr:
@@ -1093,13 +1128,7 @@ const char *bch2_bkey_ptrs_invalid(const struct bch_fs *c, struct bkey_s_c k)
}
}
- devs = bch2_bkey_devs(k);
- bubble_sort(devs.devs, devs.nr, u8_cmp);
- for (i = 0; i + 1 < devs.nr; i++)
- if (devs.devs[i] == devs.devs[i + 1])
- return "multiple ptrs to same device";
-
- return NULL;
+ return 0;
}
void bch2_ptr_swab(struct bkey_s k)
diff --git a/fs/bcachefs/extents.h b/fs/bcachefs/extents.h
index ae650849d98a..21f79e663c74 100644
--- a/fs/bcachefs/extents.h
+++ b/fs/bcachefs/extents.h
@@ -367,13 +367,12 @@ int bch2_bkey_pick_read_device(struct bch_fs *, struct bkey_s_c,
/* KEY_TYPE_btree_ptr: */
-const char *bch2_btree_ptr_invalid(const struct bch_fs *, struct bkey_s_c);
+int bch2_btree_ptr_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
void bch2_btree_ptr_to_text(struct printbuf *, struct bch_fs *,
struct bkey_s_c);
-const char *bch2_btree_ptr_v2_invalid(const struct bch_fs *, struct bkey_s_c);
-void bch2_btree_ptr_v2_to_text(struct printbuf *, struct bch_fs *,
- struct bkey_s_c);
+int bch2_btree_ptr_v2_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
+void bch2_btree_ptr_v2_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
void bch2_btree_ptr_v2_compat(enum btree_id, unsigned, unsigned,
int, struct bkey_s);
@@ -396,13 +395,11 @@ void bch2_btree_ptr_v2_compat(enum btree_id, unsigned, unsigned,
/* KEY_TYPE_extent: */
-const char *bch2_extent_invalid(const struct bch_fs *, struct bkey_s_c);
-void bch2_extent_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
bool bch2_extent_merge(struct bch_fs *, struct bkey_s, struct bkey_s_c);
#define bch2_bkey_ops_extent (struct bkey_ops) { \
- .key_invalid = bch2_extent_invalid, \
- .val_to_text = bch2_extent_to_text, \
+ .key_invalid = bch2_bkey_ptrs_invalid, \
+ .val_to_text = bch2_bkey_ptrs_to_text, \
.swab = bch2_ptr_swab, \
.key_normalize = bch2_extent_normalize, \
.key_merge = bch2_extent_merge, \
@@ -412,7 +409,7 @@ bool bch2_extent_merge(struct bch_fs *, struct bkey_s, struct bkey_s_c);
/* KEY_TYPE_reservation: */
-const char *bch2_reservation_invalid(const struct bch_fs *, struct bkey_s_c);
+int bch2_reservation_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
void bch2_reservation_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
bool bch2_reservation_merge(struct bch_fs *, struct bkey_s, struct bkey_s_c);
@@ -618,7 +615,7 @@ bool bch2_bkey_matches_ptr(struct bch_fs *, struct bkey_s_c,
bool bch2_extent_normalize(struct bch_fs *, struct bkey_s);
void bch2_bkey_ptrs_to_text(struct printbuf *, struct bch_fs *,
struct bkey_s_c);
-const char *bch2_bkey_ptrs_invalid(const struct bch_fs *, struct bkey_s_c);
+int bch2_bkey_ptrs_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
void bch2_ptr_swab(struct bkey_s);
diff --git a/fs/bcachefs/inode.c b/fs/bcachefs/inode.c
index 3735397ee9c5..2f7bafc7db13 100644
--- a/fs/bcachefs/inode.c
+++ b/fs/bcachefs/inode.c
@@ -293,76 +293,89 @@ int bch2_inode_write(struct btree_trans *trans,
return bch2_trans_update(trans, iter, &inode_p->inode.k_i, 0);
}
-const char *bch2_inode_invalid(const struct bch_fs *c, struct bkey_s_c k)
+static int __bch2_inode_invalid(struct bkey_s_c k, struct printbuf *err)
{
- struct bkey_s_c_inode inode = bkey_s_c_to_inode(k);
struct bch_inode_unpacked unpacked;
- if (k.k->p.inode)
- return "nonzero k.p.inode";
-
- if (bkey_val_bytes(k.k) < sizeof(struct bch_inode))
- return "incorrect value size";
-
- if (k.k->p.offset < BLOCKDEV_INODE_MAX)
- return "fs inode in blockdev range";
+ if (k.k->p.inode) {
+ pr_buf(err, "nonzero k.p.inode");
+ return -EINVAL;
+ }
- if (INODE_STR_HASH(inode.v) >= BCH_STR_HASH_NR)
- return "invalid str hash type";
+ if (k.k->p.offset < BLOCKDEV_INODE_MAX) {
+ pr_buf(err, "fs inode in blockdev range");
+ return -EINVAL;
+ }
- if (bch2_inode_unpack(k, &unpacked))
- return "invalid variable length fields";
+ if (bch2_inode_unpack(k, &unpacked)){
+ pr_buf(err, "invalid variable length fields");
+ return -EINVAL;
+ }
- if (unpacked.bi_data_checksum >= BCH_CSUM_OPT_NR + 1)
- return "invalid data checksum type";
+ if (unpacked.bi_data_checksum >= BCH_CSUM_OPT_NR + 1) {
+ pr_buf(err, "invalid data checksum type (%u >= %u",
+ unpacked.bi_data_checksum, BCH_CSUM_OPT_NR + 1);
+ return -EINVAL;
+ }
- if (unpacked.bi_compression >= BCH_COMPRESSION_OPT_NR + 1)
- return "invalid data checksum type";
+ if (unpacked.bi_compression >= BCH_COMPRESSION_OPT_NR + 1) {
+ pr_buf(err, "invalid data checksum type (%u >= %u)",
+ unpacked.bi_compression, BCH_COMPRESSION_OPT_NR + 1);
+ return -EINVAL;
+ }
if ((unpacked.bi_flags & BCH_INODE_UNLINKED) &&
- unpacked.bi_nlink != 0)
- return "flagged as unlinked but bi_nlink != 0";
+ unpacked.bi_nlink != 0) {
+ pr_buf(err, "flagged as unlinked but bi_nlink != 0");
+ return -EINVAL;
+ }
- if (unpacked.bi_subvol && !S_ISDIR(unpacked.bi_mode))
- return "subvolume root but not a directory";
+ if (unpacked.bi_subvol && !S_ISDIR(unpacked.bi_mode)) {
+ pr_buf(err, "subvolume root but not a directory");
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
-const char *bch2_inode_v2_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_inode_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
- struct bkey_s_c_inode_v2 inode = bkey_s_c_to_inode_v2(k);
- struct bch_inode_unpacked unpacked;
-
- if (k.k->p.inode)
- return "nonzero k.p.inode";
-
- if (bkey_val_bytes(k.k) < sizeof(struct bch_inode))
- return "incorrect value size";
-
- if (k.k->p.offset < BLOCKDEV_INODE_MAX)
- return "fs inode in blockdev range";
+ struct bkey_s_c_inode inode = bkey_s_c_to_inode(k);
- if (INODEv2_STR_HASH(inode.v) >= BCH_STR_HASH_NR)
- return "invalid str hash type";
+ if (bkey_val_bytes(k.k) < sizeof(*inode.v)) {
+ pr_buf(err, "incorrect value size (%zu < %zu)",
+ bkey_val_bytes(k.k), sizeof(*inode.v));
+ return -EINVAL;
+ }
- if (bch2_inode_unpack(k, &unpacked))
- return "invalid variable length fields";
+ if (INODE_STR_HASH(inode.v) >= BCH_STR_HASH_NR) {
+ pr_buf(err, "invalid str hash type (%llu >= %u)",
+ INODE_STR_HASH(inode.v), BCH_STR_HASH_NR);
+ return -EINVAL;
+ }
- if (unpacked.bi_data_checksum >= BCH_CSUM_OPT_NR + 1)
- return "invalid data checksum type";
+ return __bch2_inode_invalid(k, err);
+}
- if (unpacked.bi_compression >= BCH_COMPRESSION_OPT_NR + 1)
- return "invalid data checksum type";
+int bch2_inode_v2_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
+{
+ struct bkey_s_c_inode_v2 inode = bkey_s_c_to_inode_v2(k);
- if ((unpacked.bi_flags & BCH_INODE_UNLINKED) &&
- unpacked.bi_nlink != 0)
- return "flagged as unlinked but bi_nlink != 0";
+ if (bkey_val_bytes(k.k) < sizeof(*inode.v)) {
+ pr_buf(err, "incorrect value size (%zu < %zu)",
+ bkey_val_bytes(k.k), sizeof(*inode.v));
+ return -EINVAL;
+ }
- if (unpacked.bi_subvol && !S_ISDIR(unpacked.bi_mode))
- return "subvolume root but not a directory";
+ if (INODEv2_STR_HASH(inode.v) >= BCH_STR_HASH_NR) {
+ pr_buf(err, "invalid str hash type (%llu >= %u)",
+ INODEv2_STR_HASH(inode.v), BCH_STR_HASH_NR);
+ return -EINVAL;
+ }
- return NULL;
+ return __bch2_inode_invalid(k, err);
}
static void __bch2_inode_unpacked_to_text(struct printbuf *out, struct bch_inode_unpacked *inode)
@@ -396,16 +409,21 @@ void bch2_inode_to_text(struct printbuf *out, struct bch_fs *c,
__bch2_inode_unpacked_to_text(out, &inode);
}
-const char *bch2_inode_generation_invalid(const struct bch_fs *c,
- struct bkey_s_c k)
+int bch2_inode_generation_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
- if (k.k->p.inode)
- return "nonzero k.p.inode";
+ if (k.k->p.inode) {
+ pr_buf(err, "nonzero k.p.inode");
+ return -EINVAL;
+ }
- if (bkey_val_bytes(k.k) != sizeof(struct bch_inode_generation))
- return "incorrect value size";
+ if (bkey_val_bytes(k.k) != sizeof(struct bch_inode_generation)) {
+ pr_buf(err, "incorrect value size (%zu != %zu)",
+ bkey_val_bytes(k.k), sizeof(struct bch_inode_generation));
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
void bch2_inode_generation_to_text(struct printbuf *out, struct bch_fs *c,
diff --git a/fs/bcachefs/inode.h b/fs/bcachefs/inode.h
index 2337ecfc600e..e3418dc4a1e9 100644
--- a/fs/bcachefs/inode.h
+++ b/fs/bcachefs/inode.h
@@ -6,8 +6,8 @@
extern const char * const bch2_inode_opts[];
-const char *bch2_inode_invalid(const struct bch_fs *, struct bkey_s_c);
-const char *bch2_inode_v2_invalid(const struct bch_fs *, struct bkey_s_c);
+int bch2_inode_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
+int bch2_inode_v2_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
void bch2_inode_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
#define bch2_bkey_ops_inode (struct bkey_ops) { \
@@ -30,10 +30,8 @@ static inline bool bkey_is_inode(const struct bkey *k)
k->type == KEY_TYPE_inode_v2;
}
-const char *bch2_inode_generation_invalid(const struct bch_fs *,
- struct bkey_s_c);
-void bch2_inode_generation_to_text(struct printbuf *, struct bch_fs *,
- struct bkey_s_c);
+int bch2_inode_generation_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
+void bch2_inode_generation_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
#define bch2_bkey_ops_inode_generation (struct bkey_ops) { \
.key_invalid = bch2_inode_generation_invalid, \
diff --git a/fs/bcachefs/journal_io.c b/fs/bcachefs/journal_io.c
index 3974d043fd8a..56221e316ee6 100644
--- a/fs/bcachefs/journal_io.c
+++ b/fs/bcachefs/journal_io.c
@@ -209,7 +209,7 @@ static int journal_validate_key(struct bch_fs *c, const char *where,
unsigned version, int big_endian, int write)
{
void *next = vstruct_next(entry);
- const char *invalid;
+ struct printbuf buf = PRINTBUF;
int ret = 0;
if (journal_entry_err_on(!k->k.u64s, c,
@@ -249,22 +249,28 @@ static int journal_validate_key(struct bch_fs *c, const char *where,
bch2_bkey_compat(level, btree_id, version, big_endian,
write, NULL, bkey_to_packed(k));
- invalid = bch2_bkey_invalid(c, bkey_i_to_s_c(k),
- __btree_node_type(level, btree_id));
- if (invalid) {
- struct printbuf buf = PRINTBUF;
+ if (bch2_bkey_invalid(c, bkey_i_to_s_c(k),
+ __btree_node_type(level, btree_id), &buf)) {
+ printbuf_reset(&buf);
+ pr_buf(&buf, "invalid %s in %s entry offset %zi/%u:",
+ type, where,
+ (u64 *) k - entry->_data,
+ le16_to_cpu(entry->u64s));
+ pr_newline(&buf);
+ pr_indent_push(&buf, 2);
bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(k));
- mustfix_fsck_err(c, "invalid %s in %s entry offset %zi/%u: %s\n%s",
- type, where,
- (u64 *) k - entry->_data,
- le16_to_cpu(entry->u64s),
- invalid, buf.buf);
- printbuf_exit(&buf);
+ pr_newline(&buf);
+ bch2_bkey_invalid(c, bkey_i_to_s_c(k),
+ __btree_node_type(level, btree_id), &buf);
+
+ mustfix_fsck_err(c, "%s", buf.buf);
le16_add_cpu(&entry->u64s, -((u16) k->k.u64s));
memmove(k, bkey_next(k), next - (void *) bkey_next(k));
journal_entry_null_range(vstruct_next(entry), next);
+
+ printbuf_exit(&buf);
return FSCK_DELETED_KEY;
}
@@ -272,6 +278,7 @@ static int journal_validate_key(struct bch_fs *c, const char *where,
bch2_bkey_compat(level, btree_id, version, big_endian,
write, NULL, bkey_to_packed(k));
fsck_err:
+ printbuf_exit(&buf);
return ret;
}
diff --git a/fs/bcachefs/lru.c b/fs/bcachefs/lru.c
index 4f0e6960e597..c20a3bc2336b 100644
--- a/fs/bcachefs/lru.c
+++ b/fs/bcachefs/lru.c
@@ -8,14 +8,18 @@
#include "lru.h"
#include "recovery.h"
-const char *bch2_lru_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_lru_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
const struct bch_lru *lru = bkey_s_c_to_lru(k).v;
- if (bkey_val_bytes(k.k) < sizeof(*lru))
- return "incorrect value size";
+ if (bkey_val_bytes(k.k) < sizeof(*lru)) {
+ pr_buf(err, "incorrect value size (%zu < %zu)",
+ bkey_val_bytes(k.k), sizeof(*lru));
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
void bch2_lru_to_text(struct printbuf *out, struct bch_fs *c,
diff --git a/fs/bcachefs/lru.h b/fs/bcachefs/lru.h
index 4db6a8399332..0af62ecf6638 100644
--- a/fs/bcachefs/lru.h
+++ b/fs/bcachefs/lru.h
@@ -2,7 +2,7 @@
#ifndef _BCACHEFS_LRU_H
#define _BCACHEFS_LRU_H
-const char *bch2_lru_invalid(const struct bch_fs *, struct bkey_s_c);
+int bch2_lru_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
void bch2_lru_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
#define bch2_bkey_ops_lru (struct bkey_ops) { \
diff --git a/fs/bcachefs/quota.c b/fs/bcachefs/quota.c
index ca029a00e7b8..5f370da2f3d2 100644
--- a/fs/bcachefs/quota.c
+++ b/fs/bcachefs/quota.c
@@ -57,15 +57,22 @@ const struct bch_sb_field_ops bch_sb_field_ops_quota = {
.to_text = bch2_sb_quota_to_text,
};
-const char *bch2_quota_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_quota_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
- if (k.k->p.inode >= QTYP_NR)
- return "invalid quota type";
+ if (k.k->p.inode >= QTYP_NR) {
+ pr_buf(err, "invalid quota type (%llu >= %u)",
+ k.k->p.inode, QTYP_NR);
+ return -EINVAL;
+ }
- if (bkey_val_bytes(k.k) != sizeof(struct bch_quota))
- return "incorrect value size";
+ if (bkey_val_bytes(k.k) != sizeof(struct bch_quota)) {
+ pr_buf(err, "incorrect value size (%zu != %zu)",
+ bkey_val_bytes(k.k), sizeof(struct bch_quota));
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
void bch2_quota_to_text(struct printbuf *out, struct bch_fs *c,
diff --git a/fs/bcachefs/quota.h b/fs/bcachefs/quota.h
index 51e4f9713ef0..4ba40fce39a8 100644
--- a/fs/bcachefs/quota.h
+++ b/fs/bcachefs/quota.h
@@ -7,7 +7,7 @@
extern const struct bch_sb_field_ops bch_sb_field_ops_quota;
-const char *bch2_quota_invalid(const struct bch_fs *, struct bkey_s_c);
+int bch2_quota_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
void bch2_quota_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
#define bch2_bkey_ops_quota (struct bkey_ops) { \
diff --git a/fs/bcachefs/reflink.c b/fs/bcachefs/reflink.c
index 6824730945d4..e07f0339d87e 100644
--- a/fs/bcachefs/reflink.c
+++ b/fs/bcachefs/reflink.c
@@ -25,18 +25,25 @@ static inline unsigned bkey_type_to_indirect(const struct bkey *k)
/* reflink pointers */
-const char *bch2_reflink_p_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_reflink_p_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
struct bkey_s_c_reflink_p p = bkey_s_c_to_reflink_p(k);
- if (bkey_val_bytes(p.k) != sizeof(*p.v))
- return "incorrect value size";
+ if (bkey_val_bytes(p.k) != sizeof(*p.v)) {
+ pr_buf(err, "incorrect value size (%zu != %zu)",
+ bkey_val_bytes(p.k), sizeof(*p.v));
+ return -EINVAL;
+ }
if (c->sb.version >= bcachefs_metadata_version_reflink_p_fix &&
- le64_to_cpu(p.v->idx) < le32_to_cpu(p.v->front_pad))
- return "idx < front_pad";
+ le64_to_cpu(p.v->idx) < le32_to_cpu(p.v->front_pad)) {
+ pr_buf(err, "idx < front_pad (%llu < %u)",
+ le64_to_cpu(p.v->idx), le32_to_cpu(p.v->front_pad));
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
void bch2_reflink_p_to_text(struct printbuf *out, struct bch_fs *c,
@@ -70,14 +77,18 @@ bool bch2_reflink_p_merge(struct bch_fs *c, struct bkey_s _l, struct bkey_s_c _r
/* indirect extents */
-const char *bch2_reflink_v_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_reflink_v_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
struct bkey_s_c_reflink_v r = bkey_s_c_to_reflink_v(k);
- if (bkey_val_bytes(r.k) < sizeof(*r.v))
- return "incorrect value size";
+ if (bkey_val_bytes(r.k) < sizeof(*r.v)) {
+ pr_buf(err, "incorrect value size (%zu < %zu)",
+ bkey_val_bytes(r.k), sizeof(*r.v));
+ return -EINVAL;
+ }
- return bch2_bkey_ptrs_invalid(c, k);
+ return bch2_bkey_ptrs_invalid(c, k, err);
}
void bch2_reflink_v_to_text(struct printbuf *out, struct bch_fs *c,
@@ -118,12 +129,16 @@ int bch2_trans_mark_reflink_v(struct btree_trans *trans,
/* indirect inline data */
-const char *bch2_indirect_inline_data_invalid(const struct bch_fs *c,
- struct bkey_s_c k)
+int bch2_indirect_inline_data_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
- if (bkey_val_bytes(k.k) < sizeof(struct bch_indirect_inline_data))
- return "incorrect value size";
- return NULL;
+ if (bkey_val_bytes(k.k) < sizeof(struct bch_indirect_inline_data)) {
+ pr_buf(err, "incorrect value size (%zu < %zu)",
+ bkey_val_bytes(k.k), sizeof(struct bch_indirect_inline_data));
+ return -EINVAL;
+ }
+
+ return 0;
}
void bch2_indirect_inline_data_to_text(struct printbuf *out,
diff --git a/fs/bcachefs/reflink.h b/fs/bcachefs/reflink.h
index 8eb41c0292eb..d292761f8a98 100644
--- a/fs/bcachefs/reflink.h
+++ b/fs/bcachefs/reflink.h
@@ -2,7 +2,7 @@
#ifndef _BCACHEFS_REFLINK_H
#define _BCACHEFS_REFLINK_H
-const char *bch2_reflink_p_invalid(const struct bch_fs *, struct bkey_s_c);
+int bch2_reflink_p_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
void bch2_reflink_p_to_text(struct printbuf *, struct bch_fs *,
struct bkey_s_c);
bool bch2_reflink_p_merge(struct bch_fs *, struct bkey_s, struct bkey_s_c);
@@ -15,7 +15,7 @@ bool bch2_reflink_p_merge(struct bch_fs *, struct bkey_s, struct bkey_s_c);
.atomic_trigger = bch2_mark_reflink_p, \
}
-const char *bch2_reflink_v_invalid(const struct bch_fs *, struct bkey_s_c);
+int bch2_reflink_v_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
void bch2_reflink_v_to_text(struct printbuf *, struct bch_fs *,
struct bkey_s_c);
int bch2_trans_mark_reflink_v(struct btree_trans *, struct bkey_s_c,
@@ -29,8 +29,8 @@ int bch2_trans_mark_reflink_v(struct btree_trans *, struct bkey_s_c,
.atomic_trigger = bch2_mark_extent, \
}
-const char *bch2_indirect_inline_data_invalid(const struct bch_fs *,
- struct bkey_s_c);
+int bch2_indirect_inline_data_invalid(const struct bch_fs *, struct bkey_s_c,
+ struct printbuf *);
void bch2_indirect_inline_data_to_text(struct printbuf *,
struct bch_fs *, struct bkey_s_c);
int bch2_trans_mark_indirect_inline_data(struct btree_trans *,
diff --git a/fs/bcachefs/subvolume.c b/fs/bcachefs/subvolume.c
index 20c6b21e54d3..d3f043f90110 100644
--- a/fs/bcachefs/subvolume.c
+++ b/fs/bcachefs/subvolume.c
@@ -26,39 +26,55 @@ void bch2_snapshot_to_text(struct printbuf *out, struct bch_fs *c,
le32_to_cpu(s.v->subvol));
}
-const char *bch2_snapshot_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_snapshot_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
struct bkey_s_c_snapshot s;
u32 i, id;
if (bkey_cmp(k.k->p, POS(0, U32_MAX)) > 0 ||
- bkey_cmp(k.k->p, POS(0, 1)) < 0)
- return "bad pos";
+ bkey_cmp(k.k->p, POS(0, 1)) < 0) {
+ pr_buf(err, "bad pos");
+ return -EINVAL;
+ }
- if (bkey_val_bytes(k.k) != sizeof(struct bch_snapshot))
- return "bad val size";
+ if (bkey_val_bytes(k.k) != sizeof(struct bch_snapshot)) {
+ pr_buf(err, "bad val size (%zu != %zu)",
+ bkey_val_bytes(k.k), sizeof(struct bch_snapshot));
+ return -EINVAL;
+ }
s = bkey_s_c_to_snapshot(k);
id = le32_to_cpu(s.v->parent);
- if (id && id <= k.k->p.offset)
- return "bad parent node";
+ if (id && id <= k.k->p.offset) {
+ pr_buf(err, "bad parent node (%u <= %llu)",
+ id, k.k->p.offset);
+ return -EINVAL;
+ }
- if (le32_to_cpu(s.v->children[0]) < le32_to_cpu(s.v->children[1]))
- return "children not normalized";
+ if (le32_to_cpu(s.v->children[0]) < le32_to_cpu(s.v->children[1])) {
+ pr_buf(err, "children not normalized");
+ return -EINVAL;
+ }
if (s.v->children[0] &&
- s.v->children[0] == s.v->children[1])
- return "duplicate child nodes";
+ s.v->children[0] == s.v->children[1]) {
+ pr_buf(err, "duplicate child nodes");
+ return -EINVAL;
+ }
for (i = 0; i < 2; i++) {
id = le32_to_cpu(s.v->children[i]);
- if (id >= k.k->p.offset)
- return "bad child node";
+ if (id >= k.k->p.offset) {
+ pr_buf(err, "bad child node (%u >= %llu)",
+ id, k.k->p.offset);
+ return -EINVAL;
+ }
}
- return NULL;
+ return 0;
}
int bch2_mark_snapshot(struct btree_trans *trans,
@@ -729,18 +745,22 @@ static int bch2_delete_dead_snapshots_hook(struct btree_trans *trans,
/* Subvolumes: */
-const char *bch2_subvolume_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_subvolume_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
- if (bkey_cmp(k.k->p, SUBVOL_POS_MIN) < 0)
- return "invalid pos";
-
- if (bkey_cmp(k.k->p, SUBVOL_POS_MAX) > 0)
- return "invalid pos";
+ if (bkey_cmp(k.k->p, SUBVOL_POS_MIN) < 0 ||
+ bkey_cmp(k.k->p, SUBVOL_POS_MAX) > 0) {
+ pr_buf(err, "invalid pos");
+ return -EINVAL;
+ }
- if (bkey_val_bytes(k.k) != sizeof(struct bch_subvolume))
- return "bad val size";
+ if (bkey_val_bytes(k.k) != sizeof(struct bch_subvolume)) {
+ pr_buf(err, "incorrect value size (%zu != %zu)",
+ bkey_val_bytes(k.k), sizeof(struct bch_subvolume));
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
void bch2_subvolume_to_text(struct printbuf *out, struct bch_fs *c,
diff --git a/fs/bcachefs/subvolume.h b/fs/bcachefs/subvolume.h
index b3d5ae49101d..f466bf7e4543 100644
--- a/fs/bcachefs/subvolume.h
+++ b/fs/bcachefs/subvolume.h
@@ -6,7 +6,7 @@
#include "subvolume_types.h"
void bch2_snapshot_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
-const char *bch2_snapshot_invalid(const struct bch_fs *, struct bkey_s_c);
+int bch2_snapshot_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
#define bch2_bkey_ops_snapshot (struct bkey_ops) { \
.key_invalid = bch2_snapshot_invalid, \
@@ -96,7 +96,7 @@ int bch2_fs_snapshots_check(struct bch_fs *);
void bch2_fs_snapshots_exit(struct bch_fs *);
int bch2_fs_snapshots_start(struct bch_fs *);
-const char *bch2_subvolume_invalid(const struct bch_fs *, struct bkey_s_c);
+int bch2_subvolume_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
void bch2_subvolume_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
#define bch2_bkey_ops_subvolume (struct bkey_ops) { \
diff --git a/fs/bcachefs/xattr.c b/fs/bcachefs/xattr.c
index 270276a0289f..55c4d48f8b38 100644
--- a/fs/bcachefs/xattr.c
+++ b/fs/bcachefs/xattr.c
@@ -69,32 +69,51 @@ const struct bch_hash_desc bch2_xattr_hash_desc = {
.cmp_bkey = xattr_cmp_bkey,
};
-const char *bch2_xattr_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_xattr_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ struct printbuf *err)
{
const struct xattr_handler *handler;
struct bkey_s_c_xattr xattr = bkey_s_c_to_xattr(k);
- if (bkey_val_bytes(k.k) < sizeof(struct bch_xattr))
- return "value too small";
+ if (bkey_val_bytes(k.k) < sizeof(struct bch_xattr)) {
+ pr_buf(err, "incorrect value size (%zu < %zu)",
+ bkey_val_bytes(k.k), sizeof(*xattr.v));
+ return -EINVAL;
+ }
if (bkey_val_u64s(k.k) <
xattr_val_u64s(xattr.v->x_name_len,
- le16_to_cpu(xattr.v->x_val_len)))
- return "value too small";
+ le16_to_cpu(xattr.v->x_val_len))) {
+ pr_buf(err, "value too small (%zu < %u)",
+ bkey_val_u64s(k.k),
+ xattr_val_u64s(xattr.v->x_name_len,
+ le16_to_cpu(xattr.v->x_val_len)));
+ return -EINVAL;
+ }
+ /* XXX why +4 ? */
if (bkey_val_u64s(k.k) >
xattr_val_u64s(xattr.v->x_name_len,
- le16_to_cpu(xattr.v->x_val_len) + 4))
- return "value too big";
+ le16_to_cpu(xattr.v->x_val_len) + 4)) {
+ pr_buf(err, "value too big (%zu > %u)",
+ bkey_val_u64s(k.k),
+ xattr_val_u64s(xattr.v->x_name_len,
+ le16_to_cpu(xattr.v->x_val_len) + 4));
+ return -EINVAL;
+ }
handler = bch2_xattr_type_to_handler(xattr.v->x_type);
- if (!handler)
- return "invalid type";
+ if (!handler) {
+ pr_buf(err, "invalid type (%u)", xattr.v->x_type);
+ return -EINVAL;
+ }
- if (memchr(xattr.v->x_name, '\0', xattr.v->x_name_len))
- return "xattr name has invalid characters";
+ if (memchr(xattr.v->x_name, '\0', xattr.v->x_name_len)) {
+ pr_buf(err, "xattr name has invalid characters");
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
void bch2_xattr_to_text(struct printbuf *out, struct bch_fs *c,
diff --git a/fs/bcachefs/xattr.h b/fs/bcachefs/xattr.h
index f4f896545e1c..3fd03018fdd8 100644
--- a/fs/bcachefs/xattr.h
+++ b/fs/bcachefs/xattr.h
@@ -6,7 +6,7 @@
extern const struct bch_hash_desc bch2_xattr_hash_desc;
-const char *bch2_xattr_invalid(const struct bch_fs *, struct bkey_s_c);
+int bch2_xattr_invalid(const struct bch_fs *, struct bkey_s_c, struct printbuf *);
void bch2_xattr_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
#define bch2_bkey_ops_xattr (struct bkey_ops) { \