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authorTakashi Iwai <tiwai@suse.de>2023-08-28 16:13:03 +0200
committerTakashi Iwai <tiwai@suse.de>2023-08-28 16:13:03 +0200
commit692f5510159c79bfa312a4e27a15e266232bfb4c (patch)
treed58825a761ff8b525a9565f30f3bc47bc6b47147 /fs/btrfs/disk-io.c
parentab574d1629552b6831cd91b926b38092c15d6142 (diff)
parent199cd64140f222c66b68ebe288a3fcd0570e2e41 (diff)
Merge tag 'asoc-v6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v6.6 The rest of the updates for v6.6, some of the highlights include: - A big API cleanup from Morimoto-san, rationalising the places we put functions. - Lots of work on the SOF framework, AMD and Intel drivers, including a lot of cleanup and new device support. - Standardisation of the presentation of jacks from drivers. - Provision of some generic sound card DT properties. - Conversion oof more drivers to the maple tree register cache. - New drivers for AMD Van Gogh, AWInic AW88261, Cirrus Logic cs42l43, various Intel platforms, Mediatek MT7986, RealTek RT1017 and StarFive JH7110.
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 9b9914e5f03d..a9a2c5446c18 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1103,7 +1103,8 @@ static int btrfs_init_fs_root(struct btrfs_root *root, dev_t anon_dev)
btrfs_drew_lock_init(&root->snapshot_lock);
if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID &&
- !btrfs_is_data_reloc_root(root)) {
+ !btrfs_is_data_reloc_root(root) &&
+ is_fstree(root->root_key.objectid)) {
set_bit(BTRFS_ROOT_SHAREABLE, &root->state);
btrfs_check_and_init_root_item(&root->root_item);
}
@@ -1300,6 +1301,16 @@ static struct btrfs_root *btrfs_get_root_ref(struct btrfs_fs_info *fs_info,
root = btrfs_get_global_root(fs_info, objectid);
if (root)
return root;
+
+ /*
+ * If we're called for non-subvolume trees, and above function didn't
+ * find one, do not try to read it from disk.
+ *
+ * This is namely for free-space-tree and quota tree, which can change
+ * at runtime and should only be grabbed from fs_info.
+ */
+ if (!is_fstree(objectid) && objectid != BTRFS_DATA_RELOC_TREE_OBJECTID)
+ return ERR_PTR(-ENOENT);
again:
root = btrfs_lookup_fs_root(fs_info, objectid);
if (root) {