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-rw-r--r--fs/btrfs/delayed-ref.h6
-rw-r--r--fs/btrfs/disk-io.c23
-rw-r--r--fs/btrfs/file.c4
-rw-r--r--fs/btrfs/qgroup.c5
-rw-r--r--fs/btrfs/relocation.c34
-rw-r--r--fs/btrfs/tree-log.c7
6 files changed, 37 insertions, 42 deletions
diff --git a/fs/btrfs/delayed-ref.h b/fs/btrfs/delayed-ref.h
index dba97842b47a..50947b5a9152 100644
--- a/fs/btrfs/delayed-ref.h
+++ b/fs/btrfs/delayed-ref.h
@@ -34,12 +34,6 @@
* ref_head. Must clean this mess up later.
*/
struct btrfs_delayed_ref_node {
- /*
- * ref_head use rb tree, stored in ref_root->href.
- * indexed by bytenr
- */
- struct rb_node rb_node;
-
/*data/tree ref use list, stored in ref_head->ref_list. */
struct list_head list;
/*
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 848d5e1c0585..066d9b929a0c 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -560,7 +560,15 @@ static noinline int check_leaf(struct btrfs_root *root,
u32 nritems = btrfs_header_nritems(leaf);
int slot;
- if (nritems == 0) {
+ /*
+ * Extent buffers from a relocation tree have a owner field that
+ * corresponds to the subvolume tree they are based on. So just from an
+ * extent buffer alone we can not find out what is the id of the
+ * corresponding subvolume tree, so we can not figure out if the extent
+ * buffer corresponds to the root of the relocation tree or not. So skip
+ * this check for relocation trees.
+ */
+ if (nritems == 0 && !btrfs_header_flag(leaf, BTRFS_HEADER_FLAG_RELOC)) {
struct btrfs_root *check_root;
key.objectid = btrfs_header_owner(leaf);
@@ -573,17 +581,24 @@ static noinline int check_leaf(struct btrfs_root *root,
* open_ctree() some roots has not yet been set up.
*/
if (!IS_ERR_OR_NULL(check_root)) {
+ struct extent_buffer *eb;
+
+ eb = btrfs_root_node(check_root);
/* if leaf is the root, then it's fine */
- if (leaf->start !=
- btrfs_root_bytenr(&check_root->root_item)) {
+ if (leaf != eb) {
CORRUPT("non-root leaf's nritems is 0",
- leaf, root, 0);
+ leaf, check_root, 0);
+ free_extent_buffer(eb);
return -EIO;
}
+ free_extent_buffer(eb);
}
return 0;
}
+ if (nritems == 0)
+ return 0;
+
/* Check the 0 item */
if (btrfs_item_offset_nr(leaf, 0) + btrfs_item_size_nr(leaf, 0) !=
BTRFS_LEAF_DATA_SIZE(fs_info)) {
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 140271b1ea2e..448f57d108d1 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -2372,7 +2372,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len)
u64 tail_len;
u64 orig_start = offset;
u64 cur_offset;
- u64 min_size = btrfs_calc_trunc_metadata_size(fs_info, 1);
+ u64 min_size = btrfs_calc_trans_metadata_size(fs_info, 1);
u64 drop_end;
int ret = 0;
int err = 0;
@@ -2519,7 +2519,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len)
ret = -ENOMEM;
goto out_free;
}
- rsv->size = btrfs_calc_trunc_metadata_size(fs_info, 1);
+ rsv->size = btrfs_calc_trans_metadata_size(fs_info, 1);
rsv->failfast = 1;
/*
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 3e473e9a4844..662821f1252c 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -2555,10 +2555,6 @@ static void btrfs_qgroup_rescan_worker(struct btrfs_work *work)
int err = -ENOMEM;
int ret = 0;
- mutex_lock(&fs_info->qgroup_rescan_lock);
- fs_info->qgroup_rescan_running = true;
- mutex_unlock(&fs_info->qgroup_rescan_lock);
-
path = btrfs_alloc_path();
if (!path)
goto out;
@@ -2669,6 +2665,7 @@ qgroup_rescan_init(struct btrfs_fs_info *fs_info, u64 progress_objectid,
sizeof(fs_info->qgroup_rescan_progress));
fs_info->qgroup_rescan_progress.objectid = progress_objectid;
init_completion(&fs_info->qgroup_rescan_completion);
+ fs_info->qgroup_rescan_running = true;
spin_unlock(&fs_info->qgroup_lock);
mutex_unlock(&fs_info->qgroup_rescan_lock);
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 5d222c8d2213..379711048fb0 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -1388,7 +1388,6 @@ static struct btrfs_root *create_reloc_root(struct btrfs_trans_handle *trans,
struct extent_buffer *eb;
struct btrfs_root_item *root_item;
struct btrfs_key root_key;
- u64 last_snap = 0;
int ret;
root_item = kmalloc(sizeof(*root_item), GFP_NOFS);
@@ -1399,14 +1398,22 @@ static struct btrfs_root *create_reloc_root(struct btrfs_trans_handle *trans,
root_key.offset = objectid;
if (root->root_key.objectid == objectid) {
+ u64 commit_root_gen;
+
/* called by btrfs_init_reloc_root */
ret = btrfs_copy_root(trans, root, root->commit_root, &eb,
BTRFS_TREE_RELOC_OBJECTID);
BUG_ON(ret);
-
- last_snap = btrfs_root_last_snapshot(&root->root_item);
- btrfs_set_root_last_snapshot(&root->root_item,
- trans->transid - 1);
+ /*
+ * Set the last_snapshot field to the generation of the commit
+ * root - like this ctree.c:btrfs_block_can_be_shared() behaves
+ * correctly (returns true) when the relocation root is created
+ * either inside the critical section of a transaction commit
+ * (through transaction.c:qgroup_account_snapshot()) and when
+ * it's created before the transaction commit is started.
+ */
+ commit_root_gen = btrfs_header_generation(root->commit_root);
+ btrfs_set_root_last_snapshot(&root->root_item, commit_root_gen);
} else {
/*
* called by btrfs_reloc_post_snapshot_hook.
@@ -1430,12 +1437,6 @@ static struct btrfs_root *create_reloc_root(struct btrfs_trans_handle *trans,
memset(&root_item->drop_progress, 0,
sizeof(struct btrfs_disk_key));
root_item->drop_level = 0;
- /*
- * abuse rtransid, it is safe because it is impossible to
- * receive data into a relocation tree.
- */
- btrfs_set_root_rtransid(root_item, last_snap);
- btrfs_set_root_otransid(root_item, trans->transid);
}
btrfs_tree_unlock(eb);
@@ -2406,9 +2407,6 @@ void merge_reloc_roots(struct reloc_control *rc)
struct btrfs_fs_info *fs_info = rc->extent_root->fs_info;
struct btrfs_root *root;
struct btrfs_root *reloc_root;
- u64 last_snap;
- u64 otransid;
- u64 objectid;
LIST_HEAD(reloc_roots);
int found = 0;
int ret = 0;
@@ -2447,14 +2445,6 @@ again:
list_del_init(&reloc_root->root_list);
}
- /*
- * we keep the old last snapshot transid in rtranid when we
- * created the relocation tree.
- */
- last_snap = btrfs_root_rtransid(&reloc_root->root_item);
- otransid = btrfs_root_otransid(&reloc_root->root_item);
- objectid = reloc_root->root_key.offset;
-
ret = btrfs_drop_snapshot(reloc_root, rc->block_rsv, 0, 1);
if (ret < 0) {
if (list_empty(&reloc_root->root_list))
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index f7324189413c..f10bf5213ed8 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -1948,12 +1948,11 @@ static noinline int find_dir_range(struct btrfs_root *root,
next:
/* check the next slot in the tree to see if it is a valid item */
nritems = btrfs_header_nritems(path->nodes[0]);
+ path->slots[0]++;
if (path->slots[0] >= nritems) {
ret = btrfs_next_leaf(root, path);
if (ret)
goto out;
- } else {
- path->slots[0]++;
}
btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]);
@@ -5224,6 +5223,7 @@ process_leaf:
if (di_key.type == BTRFS_ROOT_ITEM_KEY)
continue;
+ btrfs_release_path(path);
di_inode = btrfs_iget(fs_info->sb, &di_key, root, NULL);
if (IS_ERR(di_inode)) {
ret = PTR_ERR(di_inode);
@@ -5232,13 +5232,12 @@ process_leaf:
if (btrfs_inode_in_log(di_inode, trans->transid)) {
iput(di_inode);
- continue;
+ break;
}
ctx->log_new_dentries = false;
if (type == BTRFS_FT_DIR || type == BTRFS_FT_SYMLINK)
log_mode = LOG_INODE_ALL;
- btrfs_release_path(path);
ret = btrfs_log_inode(trans, root, di_inode,
log_mode, 0, LLONG_MAX, ctx);
if (!ret &&
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 00:34:22 +0000