summaryrefslogtreecommitdiff
path: root/fs/bcachefs/subvolume.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/bcachefs/subvolume.c')
-rw-r--r--fs/bcachefs/subvolume.c30
1 files changed, 9 insertions, 21 deletions
diff --git a/fs/bcachefs/subvolume.c b/fs/bcachefs/subvolume.c
index 9145b7e73481..6023ae46ca72 100644
--- a/fs/bcachefs/subvolume.c
+++ b/fs/bcachefs/subvolume.c
@@ -539,13 +539,8 @@ static int bch2_subvolume_wait_for_pagecache_and_delete_hook(struct btree_trans
int bch2_subvolume_unlink(struct btree_trans *trans, u32 subvolid)
{
- struct btree_iter iter;
- struct bkey_i_subvolume *n;
- struct subvolume_unlink_hook *h;
- int ret = 0;
-
- h = bch2_trans_kmalloc(trans, sizeof(*h));
- ret = PTR_ERR_OR_ZERO(h);
+ struct subvolume_unlink_hook *h = bch2_trans_kmalloc(trans, sizeof(*h));
+ int ret = PTR_ERR_OR_ZERO(h);
if (ret)
return ret;
@@ -553,9 +548,9 @@ int bch2_subvolume_unlink(struct btree_trans *trans, u32 subvolid)
h->subvol = subvolid;
bch2_trans_commit_hook(trans, &h->h);
- n = bch2_bkey_get_mut_typed(trans, &iter,
- BTREE_ID_subvolumes, POS(0, subvolid),
- BTREE_ITER_cached, subvolume);
+ struct bkey_i_subvolume *n =
+ bch2_bkey_get_mut_typed(trans, BTREE_ID_subvolumes, POS(0, subvolid),
+ BTREE_ITER_cached, subvolume);
ret = PTR_ERR_OR_ZERO(n);
if (bch2_err_matches(ret, ENOENT))
ret = bch2_subvolume_missing(trans->c, subvolid) ?: ret;
@@ -564,7 +559,6 @@ int bch2_subvolume_unlink(struct btree_trans *trans, u32 subvolid)
SET_BCH_SUBVOLUME_UNLINKED(&n->v, true);
n->v.fs_path_parent = 0;
- bch2_trans_iter_exit(&iter);
return ret;
}
@@ -576,7 +570,7 @@ int bch2_subvolume_create(struct btree_trans *trans, u64 inode,
bool ro)
{
struct bch_fs *c = trans->c;
- struct btree_iter dst_iter, src_iter = (struct btree_iter) { NULL };
+ struct btree_iter dst_iter;
struct bkey_i_subvolume *new_subvol = NULL;
struct bkey_i_subvolume *src_subvol = NULL;
u32 parent = 0, new_nodes[2], snapshot_subvols[2];
@@ -595,9 +589,8 @@ int bch2_subvolume_create(struct btree_trans *trans, u64 inode,
if (src_subvolid) {
/* Creating a snapshot: */
- src_subvol = bch2_bkey_get_mut_typed(trans, &src_iter,
- BTREE_ID_subvolumes, POS(0, src_subvolid),
- BTREE_ITER_cached, subvolume);
+ src_subvol = bch2_bkey_get_mut_typed(trans, BTREE_ID_subvolumes, POS(0, src_subvolid),
+ BTREE_ITER_cached, subvolume);
ret = PTR_ERR_OR_ZERO(src_subvol);
if (bch2_err_matches(ret, ENOENT))
ret = bch2_subvolume_missing(trans->c, src_subvolid) ?: ret;
@@ -613,12 +606,8 @@ int bch2_subvolume_create(struct btree_trans *trans, u64 inode,
if (ret)
goto err;
- if (src_subvolid) {
+ if (src_subvolid)
src_subvol->v.snapshot = cpu_to_le32(new_nodes[1]);
- ret = bch2_trans_update(trans, &src_iter, &src_subvol->k_i, 0);
- if (ret)
- goto err;
- }
new_subvol = bch2_bkey_alloc(trans, &dst_iter, 0, subvolume);
ret = PTR_ERR_OR_ZERO(new_subvol);
@@ -639,7 +628,6 @@ int bch2_subvolume_create(struct btree_trans *trans, u64 inode,
*new_subvolid = new_subvol->k.p.offset;
*new_snapshotid = new_nodes[0];
err:
- bch2_trans_iter_exit(&src_iter);
bch2_trans_iter_exit(&dst_iter);
return ret;
}