From patchwork Thu Dec 19 19:36:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Darrick J. Wong" X-Patchwork-Id: 13915615 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8C53E19884C for ; Thu, 19 Dec 2024 19:36:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734637017; cv=none; b=GUQo+VBb/Fz5gGwUlXvqeqj6Ocb+0Qi5FxJC4933J4vmohr1sRBGRtt0WtVA+ewyN8PnHD1KOBh7eFQPE5BJnU1RQpAKjqdn0yCP/x/DlaoV22nzbQwYKTlJ7OdNzYeZa7NDNJS05q9JqoMbEd+RLM6lBlD6vQxkdv7z8vEvK68= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734637017; c=relaxed/simple; bh=MWUsJf5LAwVnADKP8zAqai6EORpjE/kmaFcm+GMTHOw=; h=Date:Subject:From:To:Cc:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Zr19pUjPiAZ6loIdSSNHedR9fbpXlrrn2r/0L8U0EbA/yDGvOMlqg8KASXdNKiHbHgb6yzwytqW+iItR3A2PsiTOih2HRsvEVSfdX568X67+T6BREu6WlYjwq3YEnF5Iz1lzV18x58LhVFm8wIaVgmv0JPLr0KGJyjVR30KybUA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=i13pWUG5; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="i13pWUG5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 15D9DC4CECE; Thu, 19 Dec 2024 19:36:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1734637017; bh=MWUsJf5LAwVnADKP8zAqai6EORpjE/kmaFcm+GMTHOw=; h=Date:Subject:From:To:Cc:In-Reply-To:References:From; b=i13pWUG5z5xtzxR0QzvdwqkCG9RVYklO3MfoPS4jocy9wN1OLkQUZHwsbr9xUwM4N A+qDVynTdr/eItK/7rB1pnan6LoEm3IJDd9bsUMD68zy334BIn0ANa7KKexSDoBuuV 33lzdKgld2XVnHMjAVMGnuDZWb3u/MowyxlhvpSmOfCTvolf3olkObOR04w4cyNyEw 67JJkyyAKtwgug0dorgkmJgk1SRV9siTTzEIaTb7TsCrpm+OdEZ+sZpRZ8HjabuXL2 T3Q/x1LeetKq2REiSD2+1PO92XIV5lnC59xXo5G+YabPQ6MVXmgbYqXvtR+TXbo9G2 prTiQ3xnK5Row== Date: Thu, 19 Dec 2024 11:36:56 -0800 Subject: [PATCH 15/43] xfs: create routine to allocate and initialize a realtime refcount btree inode From: "Darrick J. Wong" To: djwong@kernel.org Cc: hch@lst.de, linux-xfs@vger.kernel.org, hch@lst.de Message-ID: <173463581236.1572761.8380322015327920196.stgit@frogsfrogsfrogs> In-Reply-To: <173463580863.1572761.14930951818251914429.stgit@frogsfrogsfrogs> References: <173463580863.1572761.14930951818251914429.stgit@frogsfrogsfrogs> Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Darrick J. Wong Create a library routine to allocate and initialize an empty realtime refcountbt inode. We'll use this for growfs, mkfs, and repair. Signed-off-by: "Darrick J. Wong" Reviewed-by: Christoph Hellwig --- fs/xfs/libxfs/xfs_rtgroup.c | 2 ++ fs/xfs/libxfs/xfs_rtrefcount_btree.c | 28 ++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_rtrefcount_btree.h | 3 +++ 3 files changed, 33 insertions(+) diff --git a/fs/xfs/libxfs/xfs_rtgroup.c b/fs/xfs/libxfs/xfs_rtgroup.c index d5ecc2f6c5c202..eab655a4a9ef5c 100644 --- a/fs/xfs/libxfs/xfs_rtgroup.c +++ b/fs/xfs/libxfs/xfs_rtgroup.c @@ -34,6 +34,7 @@ #include "xfs_metafile.h" #include "xfs_metadir.h" #include "xfs_rtrmap_btree.h" +#include "xfs_rtrefcount_btree.h" /* Find the first usable fsblock in this rtgroup. */ static inline uint32_t @@ -382,6 +383,7 @@ static const struct xfs_rtginode_ops xfs_rtginode_ops[XFS_RTGI_MAX] = { .fmt_mask = 1U << XFS_DINODE_FMT_META_BTREE, /* same comment about growfs and rmap inodes applies here */ .enabled = xfs_has_reflink, + .create = xfs_rtrefcountbt_create, }, }; diff --git a/fs/xfs/libxfs/xfs_rtrefcount_btree.c b/fs/xfs/libxfs/xfs_rtrefcount_btree.c index 6a5bc7ea42fbe6..151fb1ef7db126 100644 --- a/fs/xfs/libxfs/xfs_rtrefcount_btree.c +++ b/fs/xfs/libxfs/xfs_rtrefcount_btree.c @@ -721,3 +721,31 @@ xfs_iflush_rtrefcount( ifp->if_broot_bytes, dfp, XFS_DFORK_SIZE(dip, ip->i_mount, XFS_DATA_FORK)); } + +/* + * Create a realtime refcount btree inode. + */ +int +xfs_rtrefcountbt_create( + struct xfs_rtgroup *rtg, + struct xfs_inode *ip, + struct xfs_trans *tp, + bool init) +{ + struct xfs_ifork *ifp = xfs_ifork_ptr(ip, XFS_DATA_FORK); + struct xfs_mount *mp = ip->i_mount; + struct xfs_btree_block *broot; + + ifp->if_format = XFS_DINODE_FMT_META_BTREE; + ASSERT(ifp->if_broot_bytes == 0); + ASSERT(ifp->if_bytes == 0); + + /* Initialize the empty incore btree root. */ + broot = xfs_broot_realloc(ifp, + xfs_rtrefcount_broot_space_calc(mp, 0, 0)); + if (broot) + xfs_btree_init_block(mp, broot, &xfs_rtrefcountbt_ops, 0, 0, + ip->i_ino); + xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE | XFS_ILOG_DBROOT); + return 0; +} diff --git a/fs/xfs/libxfs/xfs_rtrefcount_btree.h b/fs/xfs/libxfs/xfs_rtrefcount_btree.h index e558a10c4744ad..a99b7a8aec8659 100644 --- a/fs/xfs/libxfs/xfs_rtrefcount_btree.h +++ b/fs/xfs/libxfs/xfs_rtrefcount_btree.h @@ -183,4 +183,7 @@ void xfs_rtrefcountbt_to_disk(struct xfs_mount *mp, struct xfs_rtrefcount_root *dblock, int dblocklen); void xfs_iflush_rtrefcount(struct xfs_inode *ip, struct xfs_dinode *dip); +int xfs_rtrefcountbt_create(struct xfs_rtgroup *rtg, struct xfs_inode *ip, + struct xfs_trans *tp, bool init); + #endif /* __XFS_RTREFCOUNT_BTREE_H__ */