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Diffstat (limited to 'libbcachefs/dirent.c')
-rw-r--r--libbcachefs/dirent.c77
1 files changed, 38 insertions, 39 deletions
diff --git a/libbcachefs/dirent.c b/libbcachefs/dirent.c
index 02b29681..1d510f77 100644
--- a/libbcachefs/dirent.c
+++ b/libbcachefs/dirent.c
@@ -183,7 +183,8 @@ int bch2_dirent_rename(struct btree_trans *trans,
const struct qstr *dst_name, u64 *dst_inum, u64 *dst_offset,
enum bch_rename_mode mode)
{
- struct btree_iter *src_iter = NULL, *dst_iter = NULL;
+ struct btree_iter src_iter = { NULL };
+ struct btree_iter dst_iter = { NULL };
struct bkey_s_c old_src, old_dst;
struct bkey_i_dirent *new_src = NULL, *new_dst = NULL;
struct bpos dst_pos =
@@ -199,17 +200,16 @@ int bch2_dirent_rename(struct btree_trans *trans,
* the target already exists - we're relying on the VFS
* to do that check for us for correctness:
*/
- dst_iter = mode == BCH_RENAME
- ? bch2_hash_hole(trans, bch2_dirent_hash_desc,
+ ret = mode == BCH_RENAME
+ ? bch2_hash_hole(trans, &dst_iter, bch2_dirent_hash_desc,
dst_hash, dst_dir, dst_name)
- : bch2_hash_lookup(trans, bch2_dirent_hash_desc,
+ : bch2_hash_lookup(trans, &dst_iter, bch2_dirent_hash_desc,
dst_hash, dst_dir, dst_name,
BTREE_ITER_INTENT);
- ret = PTR_ERR_OR_ZERO(dst_iter);
if (ret)
goto out;
- old_dst = bch2_btree_iter_peek_slot(dst_iter);
+ old_dst = bch2_btree_iter_peek_slot(&dst_iter);
ret = bkey_err(old_dst);
if (ret)
goto out;
@@ -217,17 +217,16 @@ int bch2_dirent_rename(struct btree_trans *trans,
if (mode != BCH_RENAME)
*dst_inum = le64_to_cpu(bkey_s_c_to_dirent(old_dst).v->d_inum);
if (mode != BCH_RENAME_EXCHANGE)
- *src_offset = dst_iter->pos.offset;
+ *src_offset = dst_iter.pos.offset;
/* Lookup src: */
- src_iter = bch2_hash_lookup(trans, bch2_dirent_hash_desc,
- src_hash, src_dir, src_name,
- BTREE_ITER_INTENT);
- ret = PTR_ERR_OR_ZERO(src_iter);
+ ret = bch2_hash_lookup(trans, &src_iter, bch2_dirent_hash_desc,
+ src_hash, src_dir, src_name,
+ BTREE_ITER_INTENT);
if (ret)
goto out;
- old_src = bch2_btree_iter_peek_slot(src_iter);
+ old_src = bch2_btree_iter_peek_slot(&src_iter);
ret = bkey_err(old_src);
if (ret)
goto out;
@@ -241,7 +240,7 @@ int bch2_dirent_rename(struct btree_trans *trans,
goto out;
dirent_copy_target(new_dst, bkey_s_c_to_dirent(old_src));
- new_dst->k.p = dst_iter->pos;
+ new_dst->k.p = dst_iter.pos;
/* Create new src key: */
if (mode == BCH_RENAME_EXCHANGE) {
@@ -251,7 +250,7 @@ int bch2_dirent_rename(struct btree_trans *trans,
goto out;
dirent_copy_target(new_src, bkey_s_c_to_dirent(old_dst));
- new_src->k.p = src_iter->pos;
+ new_src->k.p = src_iter.pos;
} else {
new_src = bch2_trans_kmalloc(trans, sizeof(struct bkey_i));
ret = PTR_ERR_OR_ZERO(new_src);
@@ -259,10 +258,10 @@ int bch2_dirent_rename(struct btree_trans *trans,
goto out;
bkey_init(&new_src->k);
- new_src->k.p = src_iter->pos;
+ new_src->k.p = src_iter.pos;
- if (bkey_cmp(dst_pos, src_iter->pos) <= 0 &&
- bkey_cmp(src_iter->pos, dst_iter->pos) < 0) {
+ if (bkey_cmp(dst_pos, src_iter.pos) <= 0 &&
+ bkey_cmp(src_iter.pos, dst_iter.pos) < 0) {
/*
* We have a hash collision for the new dst key,
* and new_src - the key we're deleting - is between
@@ -275,8 +274,8 @@ int bch2_dirent_rename(struct btree_trans *trans,
* If we're not overwriting, we can just insert
* new_dst at the src position:
*/
- new_dst->k.p = src_iter->pos;
- bch2_trans_update(trans, src_iter,
+ new_dst->k.p = src_iter.pos;
+ bch2_trans_update(trans, &src_iter,
&new_dst->k_i, 0);
goto out_set_offset;
} else {
@@ -290,7 +289,7 @@ int bch2_dirent_rename(struct btree_trans *trans,
} else {
/* Check if we need a whiteout to delete src: */
ret = bch2_hash_needs_whiteout(trans, bch2_dirent_hash_desc,
- src_hash, src_iter);
+ src_hash, &src_iter);
if (ret < 0)
goto out;
@@ -299,15 +298,15 @@ int bch2_dirent_rename(struct btree_trans *trans,
}
}
- bch2_trans_update(trans, src_iter, &new_src->k_i, 0);
- bch2_trans_update(trans, dst_iter, &new_dst->k_i, 0);
+ bch2_trans_update(trans, &src_iter, &new_src->k_i, 0);
+ bch2_trans_update(trans, &dst_iter, &new_dst->k_i, 0);
out_set_offset:
if (mode == BCH_RENAME_EXCHANGE)
*src_offset = new_src->k.p.offset;
*dst_offset = new_dst->k.p.offset;
out:
- bch2_trans_iter_put(trans, src_iter);
- bch2_trans_iter_put(trans, dst_iter);
+ bch2_trans_iter_exit(trans, &src_iter);
+ bch2_trans_iter_exit(trans, &dst_iter);
return ret;
}
@@ -319,12 +318,13 @@ int bch2_dirent_delete_at(struct btree_trans *trans,
hash_info, iter);
}
-struct btree_iter *
-__bch2_dirent_lookup_trans(struct btree_trans *trans, u64 dir_inum,
- const struct bch_hash_info *hash_info,
- const struct qstr *name, unsigned flags)
+int __bch2_dirent_lookup_trans(struct btree_trans *trans,
+ struct btree_iter *iter,
+ u64 dir_inum,
+ const struct bch_hash_info *hash_info,
+ const struct qstr *name, unsigned flags)
{
- return bch2_hash_lookup(trans, bch2_dirent_hash_desc,
+ return bch2_hash_lookup(trans, iter, bch2_dirent_hash_desc,
hash_info, dir_inum, name, flags);
}
@@ -333,26 +333,25 @@ u64 bch2_dirent_lookup(struct bch_fs *c, u64 dir_inum,
const struct qstr *name)
{
struct btree_trans trans;
- struct btree_iter *iter;
+ struct btree_iter iter;
struct bkey_s_c k;
u64 inum = 0;
int ret = 0;
bch2_trans_init(&trans, c, 0, 0);
- iter = __bch2_dirent_lookup_trans(&trans, dir_inum,
- hash_info, name, 0);
- ret = PTR_ERR_OR_ZERO(iter);
+ ret = __bch2_dirent_lookup_trans(&trans, &iter, dir_inum,
+ hash_info, name, 0);
if (ret)
goto out;
- k = bch2_btree_iter_peek_slot(iter);
+ k = bch2_btree_iter_peek_slot(&iter);
ret = bkey_err(k);
if (ret)
goto out;
inum = le64_to_cpu(bkey_s_c_to_dirent(k).v->d_inum);
- bch2_trans_iter_put(&trans, iter);
+ bch2_trans_iter_exit(&trans, &iter);
out:
BUG_ON(ret == -EINTR);
bch2_trans_exit(&trans);
@@ -361,7 +360,7 @@ out:
int bch2_empty_dir_trans(struct btree_trans *trans, u64 dir_inum)
{
- struct btree_iter *iter;
+ struct btree_iter iter;
struct bkey_s_c k;
int ret;
@@ -375,7 +374,7 @@ int bch2_empty_dir_trans(struct btree_trans *trans, u64 dir_inum)
break;
}
}
- bch2_trans_iter_put(trans, iter);
+ bch2_trans_iter_exit(trans, &iter);
return ret;
}
@@ -383,7 +382,7 @@ int bch2_empty_dir_trans(struct btree_trans *trans, u64 dir_inum)
int bch2_readdir(struct bch_fs *c, u64 inum, struct dir_context *ctx)
{
struct btree_trans trans;
- struct btree_iter *iter;
+ struct btree_iter iter;
struct bkey_s_c k;
struct bkey_s_c_dirent dirent;
int ret;
@@ -412,7 +411,7 @@ int bch2_readdir(struct bch_fs *c, u64 inum, struct dir_context *ctx)
break;
ctx->pos = dirent.k->p.offset + 1;
}
- bch2_trans_iter_put(&trans, iter);
+ bch2_trans_iter_exit(&trans, &iter);
ret = bch2_trans_exit(&trans) ?: ret;
generated by cgit v1.2.3 (git 2.46.0) at 2025-08-01 16:52:16 +0000