On 8/2/17 3:54 PM, [email protected] wrote: > From: Jeff Mahoney <[email protected]> > > btrfs_find_root and btrfs_del_root always use the tree_root. Let's pass > fs_info instead.
This one is broken. btrfs_read_fs_root is called during log tree recovery with the log_root_tree. I'll send an updated patch. -Jeff > Signed-off-by: Jeff Mahoney <[email protected]> > --- > fs/btrfs/ctree.h | 7 ++++--- > fs/btrfs/disk-io.c | 2 +- > fs/btrfs/extent-tree.c | 4 ++-- > fs/btrfs/free-space-tree.c | 2 +- > fs/btrfs/qgroup.c | 3 +-- > fs/btrfs/root-tree.c | 15 +++++++++------ > 6 files changed, 18 insertions(+), 15 deletions(-) > > diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h > index 3f3eb7b17cac..eed7cc991a80 100644 > --- a/fs/btrfs/ctree.h > +++ b/fs/btrfs/ctree.h > @@ -2973,8 +2973,8 @@ int btrfs_del_root_ref(struct btrfs_trans_handle *trans, > struct btrfs_fs_info *fs_info, > u64 root_id, u64 ref_id, u64 dirid, u64 *sequence, > const char *name, int name_len); > -int btrfs_del_root(struct btrfs_trans_handle *trans, struct btrfs_root *root, > - const struct btrfs_key *key); > +int btrfs_del_root(struct btrfs_trans_handle *trans, > + struct btrfs_fs_info *fs_info, const struct btrfs_key *key); > int btrfs_insert_root(struct btrfs_trans_handle *trans, struct btrfs_root > *root, > const struct btrfs_key *key, > struct btrfs_root_item *item); > @@ -2982,7 +2982,8 @@ int __must_check btrfs_update_root(struct > btrfs_trans_handle *trans, > struct btrfs_root *root, > struct btrfs_key *key, > struct btrfs_root_item *item); > -int btrfs_find_root(struct btrfs_root *root, const struct btrfs_key > *search_key, > +int btrfs_find_root(struct btrfs_fs_info *fs_info, > + const struct btrfs_key *search_key, > struct btrfs_path *path, struct btrfs_root_item *root_item, > struct btrfs_key *root_key); > int btrfs_find_orphan_roots(struct btrfs_fs_info *fs_info); > diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c > index 080e2ebb8aa0..ea1959937875 100644 > --- a/fs/btrfs/disk-io.c > +++ b/fs/btrfs/disk-io.c > @@ -1581,7 +1581,7 @@ static struct btrfs_root *btrfs_read_tree_root(struct > btrfs_root *tree_root, > > __setup_root(root, fs_info, key->objectid); > > - ret = btrfs_find_root(tree_root, key, path, > + ret = btrfs_find_root(fs_info, key, path, > &root->root_item, &root->root_key); > if (ret) { > if (ret > 0) > diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c > index 82d53a7b6652..12fa33accdcc 100644 > --- a/fs/btrfs/extent-tree.c > +++ b/fs/btrfs/extent-tree.c > @@ -9192,14 +9192,14 @@ int btrfs_drop_snapshot(struct btrfs_root *root, > if (err) > goto out_end_trans; > > - ret = btrfs_del_root(trans, tree_root, &root->root_key); > + ret = btrfs_del_root(trans, fs_info, &root->root_key); > if (ret) { > btrfs_abort_transaction(trans, ret); > goto out_end_trans; > } > > if (root->root_key.objectid != BTRFS_TREE_RELOC_OBJECTID) { > - ret = btrfs_find_root(tree_root, &root->root_key, path, > + ret = btrfs_find_root(fs_info, &root->root_key, path, > NULL, NULL); > if (ret < 0) { > btrfs_abort_transaction(trans, ret); > diff --git a/fs/btrfs/free-space-tree.c b/fs/btrfs/free-space-tree.c > index a5e34de06c2f..684f12247db7 100644 > --- a/fs/btrfs/free-space-tree.c > +++ b/fs/btrfs/free-space-tree.c > @@ -1257,7 +1257,7 @@ int btrfs_clear_free_space_tree(struct btrfs_fs_info > *fs_info) > if (ret) > goto abort; > > - ret = btrfs_del_root(trans, tree_root, &free_space_root->root_key); > + ret = btrfs_del_root(trans, fs_info, &free_space_root->root_key); > if (ret) > goto abort; > > diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c > index 4ce351efe281..ba60523a443c 100644 > --- a/fs/btrfs/qgroup.c > +++ b/fs/btrfs/qgroup.c > @@ -946,7 +946,6 @@ int btrfs_quota_enable(struct btrfs_trans_handle *trans, > int btrfs_quota_disable(struct btrfs_trans_handle *trans, > struct btrfs_fs_info *fs_info) > { > - struct btrfs_root *tree_root = fs_info->tree_root; > struct btrfs_root *quota_root; > int ret = 0; > > @@ -968,7 +967,7 @@ int btrfs_quota_disable(struct btrfs_trans_handle *trans, > if (ret) > goto out; > > - ret = btrfs_del_root(trans, tree_root, "a_root->root_key); > + ret = btrfs_del_root(trans, fs_info, "a_root->root_key); > if (ret) > goto out; > > diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c > index 460db0cb2d07..31c0e7265f44 100644 > --- a/fs/btrfs/root-tree.c > +++ b/fs/btrfs/root-tree.c > @@ -62,7 +62,7 @@ static void btrfs_read_root_item(struct extent_buffer *eb, > int slot, > > /* > * btrfs_find_root - lookup the root by the key. > - * root: the root of the root tree > + * fs_info: the fs_info for the file system to search > * search_key: the key to search > * path: the path we search > * root_item: the root item of the tree we look for > @@ -74,7 +74,8 @@ static void btrfs_read_root_item(struct extent_buffer *eb, > int slot, > * > * If we find something return 0, otherwise > 0, < 0 on error. > */ > -int btrfs_find_root(struct btrfs_root *root, const struct btrfs_key > *search_key, > +int btrfs_find_root(struct btrfs_fs_info *fs_info, > + const struct btrfs_key *search_key, > struct btrfs_path *path, struct btrfs_root_item *root_item, > struct btrfs_key *root_key) > { > @@ -83,7 +84,8 @@ int btrfs_find_root(struct btrfs_root *root, const struct > btrfs_key *search_key, > int ret; > int slot; > > - ret = btrfs_search_slot(NULL, root, search_key, path, 0, 0); > + ret = btrfs_search_slot(NULL, fs_info->tree_root, search_key, > + path, 0, 0); > if (ret < 0) > return ret; > > @@ -335,10 +337,11 @@ int btrfs_find_orphan_roots(struct btrfs_fs_info > *fs_info) > return err; > } > > -/* drop the root item for 'key' from 'root' */ > -int btrfs_del_root(struct btrfs_trans_handle *trans, struct btrfs_root *root, > - const struct btrfs_key *key) > +/* drop the root item for 'key' from the tree root */ > +int btrfs_del_root(struct btrfs_trans_handle *trans, > + struct btrfs_fs_info *fs_info, const struct btrfs_key *key) > { > + struct btrfs_root *root = fs_info->tree_root; > struct btrfs_path *path; > int ret; > > -- Jeff Mahoney SUSE Labs
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