diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 059546aa8fdf963c46c9ff188237bdf947d0ea06..8dcd4ff0c3a58fc8be83cafeceb6cd925c1bbc52 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -530,9 +530,10 @@ static noinline int create_subvol(struct btrfs_root *root, return ret; } -static int create_snapshot(struct btrfs_root *root, struct dentry *dentry, - char *name, int namelen, u64 *async_transid, - bool readonly, struct btrfs_qgroup_inherit *inherit) +static int create_snapshot(struct btrfs_root *root, struct inode *dir, + struct dentry *dentry, char *name, int namelen, + u64 *async_transid, bool readonly, + struct btrfs_qgroup_inherit *inherit) { struct inode *inode; struct btrfs_pending_snapshot *pending_snapshot; @@ -551,6 +552,7 @@ static int create_snapshot(struct btrfs_root *root, struct dentry *dentry, pending_snapshot->dentry = dentry; pending_snapshot->root = root; pending_snapshot->readonly = readonly; + pending_snapshot->dir = dir; pending_snapshot->inherit = inherit; trans = btrfs_start_transaction(root->fs_info->extent_root, 6); @@ -728,7 +730,7 @@ static noinline int btrfs_mksubvol(struct path *parent, goto out_up_read; if (snap_src) { - error = create_snapshot(snap_src, dentry, name, namelen, + error = create_snapshot(snap_src, dir, dentry, name, namelen, async_transid, readonly, inherit); } else { error = create_subvol(BTRFS_I(dir)->root, dentry, diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 3733c4939a27a6c2dc1cc3dce41de7989fd7be58..71de435a291ebc974bdc931dfd8c2756cacdbfb8 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -1068,7 +1068,6 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, struct inode *parent_inode; struct btrfs_path *path; struct btrfs_dir_item *dir_item; - struct dentry *parent; struct dentry *dentry; struct extent_buffer *tmp; struct extent_buffer *old; @@ -1126,8 +1125,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, trans->bytes_reserved = trans->block_rsv->reserved; dentry = pending->dentry; - parent = dget_parent(dentry); - parent_inode = parent->d_inode; + parent_inode = pending->dir; parent_root = BTRFS_I(parent_inode)->root; record_root_in_trans(trans, parent_root); @@ -1275,7 +1273,6 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, if (ret) btrfs_abort_transaction(trans, root, ret); fail: - dput(parent); trans->block_rsv = rsv; trans->bytes_reserved = 0; no_free_objectid: diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index 5afd7b1dceacf27a92e2b026aa7d76432ee9f18a..5f67fba07ab4294bfadacc2c135573ab6fa2c7d7 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -84,6 +84,7 @@ struct btrfs_trans_handle { struct btrfs_pending_snapshot { struct dentry *dentry; + struct inode *dir; struct btrfs_root *root; struct btrfs_root *snap; struct btrfs_qgroup_inherit *inherit;