Btrfs: Send: preserve ownership (uid and gid) also for symlinks. (e2d044fe) · Commits · 戴 / test

This patch also requires a change in the user-space part of "receive". We need to use "lchown" instead of "chown". We will do this in the following patch. Signed-off-by:

Alex Lyakas <alex.btrfs@zadarastorage.com> if (S_ISREG(sctx->cur_inode_mode)) {

fs/btrfs/send.c

+13 −14

Original line number	Diff line number	Diff line
		@@ -4067,10 +4067,10 @@ static int finish_inode_if_needed(struct send_ctx *sctx, int at_end)
		if (ret < 0)
		goto out;

		if (!S_ISLNK(sctx->cur_inode_mode)) {
		if (!sctx->parent_root \|\| sctx->cur_inode_new) {
		need_chmod = 1;
		need_chown = 1;
		if (!S_ISLNK(sctx->cur_inode_mode))
		need_chmod = 1;
		} else {
		ret = get_inode_info(sctx->parent_root, sctx->cur_ino,
		NULL, NULL, &right_mode, &right_uid,
		@@ -4080,10 +4080,9 @@ static int finish_inode_if_needed(struct send_ctx *sctx, int at_end)

		if (left_uid != right_uid \|\| left_gid != right_gid)
		need_chown = 1;
		if (left_mode != right_mode)
		if (!S_ISLNK(sctx->cur_inode_mode) && left_mode != right_mode)
		need_chmod = 1;
		}
		}

		if (S_ISREG(sctx->cur_inode_mode)) {
		ret = send_truncate(sctx, sctx->cur_ino, sctx->cur_inode_gen,

Admin message