Linux Btrfs filesystem development
 help / color / mirror / Atom feed
From: Nikolay Borisov <nborisov@suse.com>
To: linux-btrfs@vger.kernel.org
Cc: Nikolay Borisov <nborisov@suse.com>
Subject: [PATCH v2 6/8] btrfs-progs: Implement helper to remove received information of RW subvol
Date: Tue, 14 Sep 2021 12:05:56 +0300	[thread overview]
Message-ID: <20210914090558.79411-7-nborisov@suse.com> (raw)
In-Reply-To: <20210914090558.79411-1-nborisov@suse.com>

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
---
 check/mode-common.c | 40 ++++++++++++++++++++++++++++++++++++++++
 check/mode-common.h |  1 +
 2 files changed, 41 insertions(+)

diff --git a/check/mode-common.c b/check/mode-common.c
index 0059672c6402..7a5313280f3f 100644
--- a/check/mode-common.c
+++ b/check/mode-common.c
@@ -1301,3 +1301,43 @@ int repair_dev_item_bytes_used(struct btrfs_fs_info *fs_info,
 	btrfs_abort_transaction(trans, ret);
 	return ret;
 }
+
+int repair_received_subvol(struct btrfs_root *root)
+{
+	struct btrfs_root_item *root_item = &root->root_item;
+	struct btrfs_trans_handle *trans;
+	int ret;
+
+	trans = btrfs_start_transaction(root, 2);
+	if (IS_ERR(trans))
+		return PTR_ERR(trans);
+
+	ret = btrfs_uuid_tree_remove(trans, root_item->received_uuid,
+			BTRFS_UUID_KEY_RECEIVED_SUBVOL, root->root_key.objectid);
+
+	if (ret && ret != -ENOENT) {
+		btrfs_abort_transaction(trans, ret);
+		return ret;
+	}
+
+	memset(root_item->received_uuid, 0, BTRFS_UUID_SIZE);
+	btrfs_set_root_stransid(root_item, 0);
+	btrfs_set_root_rtransid(root_item, 0);
+	btrfs_set_stack_timespec_sec(&root_item->stime, 0);
+	btrfs_set_stack_timespec_nsec(&root_item->stime, 0);
+	btrfs_set_stack_timespec_sec(&root_item->rtime, 0);
+	btrfs_set_stack_timespec_nsec(&root_item->rtime, 0);
+
+	ret = btrfs_update_root(trans, gfs_info->tree_root, &root->root_key,
+			root_item);
+	if (ret < 0) {
+		btrfs_abort_transaction(trans, ret);
+		return ret;
+	}
+
+	ret = btrfs_commit_transaction(trans, gfs_info->tree_root);
+	if (!ret)
+		printf("Cleared received information for subvol: %llu\n",
+				root->root_key.objectid);
+	return ret;
+}
diff --git a/check/mode-common.h b/check/mode-common.h
index cdfb10d58cde..f1ec5dca0199 100644
--- a/check/mode-common.h
+++ b/check/mode-common.h
@@ -130,6 +130,7 @@ int reset_imode(struct btrfs_trans_handle *trans, struct btrfs_root *root,
 		struct btrfs_path *path, u64 ino, u32 mode);
 int repair_imode_common(struct btrfs_root *root, struct btrfs_path *path);
 int check_repair_free_space_inode(struct btrfs_path *path);
+int repair_received_subvol(struct btrfs_root *root);
 
 /*
  * Check if the inode mode @imode is valid
-- 
2.17.1


  parent reply	other threads:[~2021-09-14  9:06 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-14  9:05 [PATCH v2 0/8] Implement progs support for removing received uuid on RW vols Nikolay Borisov
2021-09-14  9:05 ` [PATCH v2 1/8] btrfs-progs: Add btrfs_is_empty_uuid Nikolay Borisov
2021-09-16  7:26   ` Anand Jain
2021-09-20 11:41     ` David Sterba
2021-09-14  9:05 ` [PATCH v2 2/8] btrfs-progs: Remove root argument from btrfs_fixup_low_keys Nikolay Borisov
2021-09-14  9:05 ` [PATCH v2 3/8] btrfs-progs: Remove fs_info argument from leaf_data_end Nikolay Borisov
2021-09-14  9:05 ` [PATCH v2 4/8] btrfs-progs: Remove root argument from btrfs_truncate_item Nikolay Borisov
2021-09-14  9:05 ` [PATCH v2 5/8] btrfs-progs: Add btrfs_uuid_tree_remove Nikolay Borisov
2021-09-14  9:22   ` Qu Wenruo
2021-09-14  9:05 ` Nikolay Borisov [this message]
2021-09-14  9:23   ` [PATCH v2 6/8] btrfs-progs: Implement helper to remove received information of RW subvol Qu Wenruo
2021-09-14  9:05 ` [PATCH v2 7/8] btrfs-progs: check: Implement removing received data for RW subvols Nikolay Borisov
2021-09-14  9:25   ` Qu Wenruo
2021-09-14  9:55     ` Nikolay Borisov
2021-09-14  9:05 ` [PATCH v2 8/8] btrfs-progs: tests: Add test for received information removal Nikolay Borisov
2021-09-14  9:30 ` [PATCH v2 0/8] Implement progs support for removing received uuid on RW vols Qu Wenruo
2021-09-14  9:30 ` Qu Wenruo
2021-09-14  9:31   ` Nikolay Borisov
2021-09-21 18:51 ` David Sterba
2021-09-21 22:08   ` Graham Cobb

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210914090558.79411-7-nborisov@suse.com \
    --to=nborisov@suse.com \
    --cc=linux-btrfs@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox