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authorKent Overstreet <kent.overstreet@linux.dev>2023-09-23 18:42:30 -0400
committerKent Overstreet <kent.overstreet@linux.dev>2023-09-23 20:03:23 -0400
commita053ebfb8c89e023a44c365e369f4053cfc53376 (patch)
treec39f6a6689bbdeee358e824971d3e186ac4c3877 /libbcachefs/bkey.c
parent731926b5e5fc28752433f830569d228513cceea6 (diff)
Update bcachefs sources to f9c612bbf82d bcachefs: Fixes for building in userspace
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'libbcachefs/bkey.c')
-rw-r--r--libbcachefs/bkey.c33
1 files changed, 23 insertions, 10 deletions
diff --git a/libbcachefs/bkey.c b/libbcachefs/bkey.c
index 0a5bfe6e..abdb0550 100644
--- a/libbcachefs/bkey.c
+++ b/libbcachefs/bkey.c
@@ -127,7 +127,7 @@ static void pack_state_finish(struct pack_state *state,
struct bkey_packed *k)
{
EBUG_ON(state->p < k->_data);
- EBUG_ON(state->p >= k->_data + state->format->key_u64s);
+ EBUG_ON(state->p >= (u64 *) k->_data + state->format->key_u64s);
*state->p = state->w;
}
@@ -308,9 +308,14 @@ struct bpos __bkey_unpack_pos(const struct bkey_format *format,
/**
* bch2_bkey_pack_key -- pack just the key, not the value
+ * @out: packed result
+ * @in: key to pack
+ * @format: format of packed result
+ *
+ * Returns: true on success, false on failure
*/
bool bch2_bkey_pack_key(struct bkey_packed *out, const struct bkey *in,
- const struct bkey_format *format)
+ const struct bkey_format *format)
{
struct pack_state state = pack_state_init(format, out);
u64 *w = out->_data;
@@ -336,9 +341,12 @@ bool bch2_bkey_pack_key(struct bkey_packed *out, const struct bkey *in,
/**
* bch2_bkey_unpack -- unpack the key and the value
+ * @b: btree node of @src key (for packed format)
+ * @dst: unpacked result
+ * @src: packed input
*/
void bch2_bkey_unpack(const struct btree *b, struct bkey_i *dst,
- const struct bkey_packed *src)
+ const struct bkey_packed *src)
{
__bkey_unpack_key(b, &dst->k, src);
@@ -349,19 +357,24 @@ void bch2_bkey_unpack(const struct btree *b, struct bkey_i *dst,
/**
* bch2_bkey_pack -- pack the key and the value
+ * @dst: packed result
+ * @src: unpacked input
+ * @format: format of packed result
+ *
+ * Returns: true on success, false on failure
*/
-bool bch2_bkey_pack(struct bkey_packed *out, const struct bkey_i *in,
- const struct bkey_format *format)
+bool bch2_bkey_pack(struct bkey_packed *dst, const struct bkey_i *src,
+ const struct bkey_format *format)
{
struct bkey_packed tmp;
- if (!bch2_bkey_pack_key(&tmp, &in->k, format))
+ if (!bch2_bkey_pack_key(&tmp, &src->k, format))
return false;
- memmove_u64s((u64 *) out + format->key_u64s,
- &in->v,
- bkey_val_u64s(&in->k));
- memcpy_u64s_small(out, &tmp, format->key_u64s);
+ memmove_u64s((u64 *) dst + format->key_u64s,
+ &src->v,
+ bkey_val_u64s(&src->k));
+ memcpy_u64s_small(dst, &tmp, format->key_u64s);
return true;
}