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-rw-r--r--fs/btrfs/backref.c13
-rw-r--r--fs/btrfs/ctree.h1
-rw-r--r--fs/btrfs/delayed-inode.c8
-rw-r--r--fs/btrfs/extent-tree.c14
-rw-r--r--fs/btrfs/extent_io.c2
-rw-r--r--fs/btrfs/inode.c4
-rw-r--r--fs/btrfs/scrub.c6
-rw-r--r--fs/btrfs/super.c14
-rw-r--r--fs/btrfs/transaction.c2
9 files changed, 47 insertions, 17 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 2d3e32ebfd1..8729cf68d2f 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -1552,7 +1552,6 @@ int tree_backref_for_extent(unsigned long *ptr, struct extent_buffer *eb,
{
int ret;
int type;
- struct btrfs_tree_block_info *info;
struct btrfs_extent_inline_ref *eiref;
if (*ptr == (unsigned long)-1)
@@ -1573,9 +1572,17 @@ int tree_backref_for_extent(unsigned long *ptr, struct extent_buffer *eb,
}
/* we can treat both ref types equally here */
- info = (struct btrfs_tree_block_info *)(ei + 1);
*out_root = btrfs_extent_inline_ref_offset(eb, eiref);
- *out_level = btrfs_tree_block_level(eb, info);
+
+ if (key->type == BTRFS_EXTENT_ITEM_KEY) {
+ struct btrfs_tree_block_info *info;
+
+ info = (struct btrfs_tree_block_info *)(ei + 1);
+ *out_level = btrfs_tree_block_level(eb, info);
+ } else {
+ ASSERT(key->type == BTRFS_METADATA_ITEM_KEY);
+ *out_level = (u8)key->offset;
+ }
if (ret == 1)
*ptr = (unsigned long)-1;
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 7e607416755..0b180708bf7 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1171,6 +1171,7 @@ struct btrfs_space_info {
struct percpu_counter total_bytes_pinned;
struct list_head list;
+ /* Protected by the spinlock 'lock'. */
struct list_head ro_bgs;
struct rw_semaphore groups_sem;
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 054577bddaf..de4e70fb3cb 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1857,6 +1857,14 @@ int btrfs_delayed_delete_inode_ref(struct inode *inode)
{
struct btrfs_delayed_node *delayed_node;
+ /*
+ * we don't do delayed inode updates during log recovery because it
+ * leads to enospc problems. This means we also can't do
+ * delayed inode refs
+ */
+ if (BTRFS_I(inode)->root->fs_info->log_root_recovering)
+ return -EAGAIN;
+
delayed_node = btrfs_get_or_create_delayed_node(inode);
if (IS_ERR(delayed_node))
return PTR_ERR(delayed_node);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index a80b97100d9..a684086c3c8 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3139,9 +3139,11 @@ static int write_one_cache_group(struct btrfs_trans_handle *trans,
struct extent_buffer *leaf;
ret = btrfs_search_slot(trans, extent_root, &cache->key, path, 0, 1);
- if (ret < 0)
+ if (ret) {
+ if (ret > 0)
+ ret = -ENOENT;
goto fail;
- BUG_ON(ret); /* Corruption */
+ }
leaf = path->nodes[0];
bi = btrfs_item_ptr_offset(leaf, path->slots[0]);
@@ -3149,11 +3151,9 @@ static int write_one_cache_group(struct btrfs_trans_handle *trans,
btrfs_mark_buffer_dirty(leaf);
btrfs_release_path(path);
fail:
- if (ret) {
+ if (ret)
btrfs_abort_transaction(trans, root, ret);
- return ret;
- }
- return 0;
+ return ret;
}
@@ -9422,7 +9422,6 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
* are still on the list after taking the semaphore
*/
list_del_init(&block_group->list);
- list_del_init(&block_group->ro_list);
if (list_empty(&block_group->space_info->block_groups[index])) {
kobj = block_group->space_info->block_group_kobjs[index];
block_group->space_info->block_group_kobjs[index] = NULL;
@@ -9464,6 +9463,7 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
btrfs_remove_free_space_cache(block_group);
spin_lock(&block_group->space_info->lock);
+ list_del_init(&block_group->ro_list);
block_group->space_info->total_bytes -= block_group->key.offset;
block_group->space_info->bytes_readonly -= block_group->key.offset;
block_group->space_info->disk_total -= block_group->key.offset * factor;
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 4ebabd23715..790dbae3343 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2190,7 +2190,7 @@ void btrfs_free_io_failure_record(struct inode *inode, u64 start, u64 end)
next = next_state(state);
- failrec = (struct io_failure_record *)state->private;
+ failrec = (struct io_failure_record *)(unsigned long)state->private;
free_extent_state(state);
kfree(failrec);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index e687bb0dc73..8bf326affb9 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6255,8 +6255,10 @@ static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
out_fail:
btrfs_end_transaction(trans, root);
- if (drop_on_err)
+ if (drop_on_err) {
+ inode_dec_link_count(inode);
iput(inode);
+ }
btrfs_balance_delayed_items(root);
btrfs_btree_balance_dirty(root);
return err;
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index f2bb13a23f8..e427cb7ee12 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -2607,9 +2607,9 @@ static int scrub_extent_for_parity(struct scrub_parity *sparity,
ret = scrub_pages_for_parity(sparity, logical, l, physical, dev,
flags, gen, mirror_num,
have_csum ? csum : NULL);
-skip:
if (ret)
return ret;
+skip:
len -= l;
logical += l;
physical += l;
@@ -3053,7 +3053,7 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
ppath = btrfs_alloc_path();
if (!ppath) {
- btrfs_free_path(ppath);
+ btrfs_free_path(path);
return -ENOMEM;
}
@@ -3065,6 +3065,8 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
path->search_commit_root = 1;
path->skip_locking = 1;
+ ppath->search_commit_root = 1;
+ ppath->skip_locking = 1;
/*
* trigger the readahead for extent tree csum tree and wait for
* completion. During readahead, the scrub is officially paused
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 60f7cbe815e..6f49b2872a6 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1000,10 +1000,20 @@ int btrfs_sync_fs(struct super_block *sb, int wait)
*/
if (fs_info->pending_changes == 0)
return 0;
+ /*
+ * A non-blocking test if the fs is frozen. We must not
+ * start a new transaction here otherwise a deadlock
+ * happens. The pending operations are delayed to the
+ * next commit after thawing.
+ */
+ if (__sb_start_write(sb, SB_FREEZE_WRITE, false))
+ __sb_end_write(sb, SB_FREEZE_WRITE);
+ else
+ return 0;
trans = btrfs_start_transaction(root, 0);
- } else {
- return PTR_ERR(trans);
}
+ if (IS_ERR(trans))
+ return PTR_ERR(trans);
}
return btrfs_commit_transaction(trans, root);
}
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index a605d4e2f2b..e88b59d1343 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -2118,7 +2118,7 @@ void btrfs_apply_pending_changes(struct btrfs_fs_info *fs_info)
unsigned long prev;
unsigned long bit;
- prev = cmpxchg(&fs_info->pending_changes, 0, 0);
+ prev = xchg(&fs_info->pending_changes, 0);
if (!prev)
return;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-18 07:48:49 +0000