From: Lu Fengqi Date: Tue, 17 Jul 2018 08:58:22 +0000 (+0800) Subject: btrfs: qgroup: cleanup the unused srcroot from btrfs_qgroup_inherit X-Git-Tag: v4.19~236^2~83 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c8389d4c0d6eb7c0b7f8b8a98620874f9123cd20;p=platform%2Fkernel%2Flinux-rpi.git btrfs: qgroup: cleanup the unused srcroot from btrfs_qgroup_inherit Since commit 0b246afa62b0 ("btrfs: root->fs_info cleanup, add fs_info convenience variables"), the srcroot is no longer used to get fs_info::nodesize. In fact, it can be dropped after commit 707e8a071528 ("btrfs: use nodesize everywhere, kill leafsize"). Signed-off-by: Lu Fengqi Reviewed-by: David Sterba Signed-off-by: David Sterba --- diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 97a59a4..e0bd48c 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -2287,22 +2287,6 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, if (ret) goto out; - if (srcid) { - struct btrfs_root *srcroot; - struct btrfs_key srckey; - - srckey.objectid = srcid; - srckey.type = BTRFS_ROOT_ITEM_KEY; - srckey.offset = (u64)-1; - srcroot = btrfs_read_fs_root_no_name(fs_info, &srckey); - if (IS_ERR(srcroot)) { - ret = PTR_ERR(srcroot); - goto out; - } - - level_size = fs_info->nodesize; - } - /* * add qgroup to all inherited groups */ @@ -2359,6 +2343,7 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, * our counts don't go crazy, so at this point the only * difference between the two roots should be the root node. */ + level_size = fs_info->nodesize; dstgroup->rfer = srcgroup->rfer; dstgroup->rfer_cmpr = srcgroup->rfer_cmpr; dstgroup->excl = level_size;