From patchwork Fri Dec 6 23:52:55 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: 13898047 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 A1B2B148827 for ; Fri, 6 Dec 2024 23:52:56 +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=1733529176; cv=none; b=HPrbwo/QoCqJJvvkNwEGoB0RROazZOOm9UMgYlNvJv4i0wVDDuDhfhWwUuSAd1R3RDipHblFdpiPZx9f2LMWsRdvq69BiIKNYM10hTes13xdK/KDjCenNaZiZEs8haDzgOYSbrrNu2fhmXUZJpJ5pFFHrATmGoBCTlKkyzMuWU4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733529176; c=relaxed/simple; bh=pnl1Ru7C2qN0LlPLcR+qg7uqYoN0rStJcdsM0Mke8jU=; h=Date:Subject:From:To:Cc:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=QqiSsrd7ULeGUYrO2IpUnsxJT8PftXMWzpkTYoeAAmxnBkCj+HUnRlhTh8zTIArueHBMfCs/2t1mRPIRXvACZFV6ljFCoE8PTSUyFUhrREst2pC9wyMSK9ys1PV71joUkxj6omeRy0jZ6KfJlWxiIBEJzik9h/youSgrAVTm/P4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KcRU1L8t; 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="KcRU1L8t" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6582EC4CED1; Fri, 6 Dec 2024 23:52:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733529176; bh=pnl1Ru7C2qN0LlPLcR+qg7uqYoN0rStJcdsM0Mke8jU=; h=Date:Subject:From:To:Cc:In-Reply-To:References:From; b=KcRU1L8tzwEoopF+6cy8CHbRsZY9tr8zqrVTKFFzzw0cuneV1I4xNa8y9uYFdK/pB g/SEwM25ChHowpv7N5wzHIKs/4+PwQydGZSWPDSb/qBJtCUPM4UdiHN43My2R4jfli IbpjHWCdHhrSKl+UTYVrADU+m9yTCkVRaYmEoKfpUXGmyQLqyyVqECdbJaLaCShvQb KKJ+gqDcxISUgHsLQ211C4Yo6cv89n6cPWeQUV7DIWRT/QcjfeFCZ5g9EYjM5nNJdG 74uohU7c9Z/fHG2PydAW5CzWaF7dJWRIesmfAbWpFN1lnaO/BQFe4r4hpeCvH1VQJS WYJ/kSmVQkfDg== Date: Fri, 06 Dec 2024 15:52:55 -0800 Subject: [PATCH 06/46] xfs: move RT bitmap and summary information to the rtgroup From: "Darrick J. Wong" To: aalbersh@kernel.org, djwong@kernel.org Cc: hch@lst.de, hch@lst.de, linux-xfs@vger.kernel.org Message-ID: <173352750086.124560.10144059226931224138.stgit@frogsfrogsfrogs> In-Reply-To: <173352749923.124560.17452697523660805471.stgit@frogsfrogsfrogs> References: <173352749923.124560.17452697523660805471.stgit@frogsfrogsfrogs> Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Christoph Hellwig Source kernel commit: e3088ae2dcae3c15d03d7970d4926c8095fd8c7c Move the pointers to the RT bitmap and summary inodes as well as the summary cache to the rtgroups structure to prepare for having a separate bitmap and summary inodes for each rtgroup. Code using the inodes now needs to operate on a rtgroup. Where easily possible such code is converted to iterate over all rtgroups, else rtgroup 0 (the only one that can currently exist) is hardcoded. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- include/xfs_mount.h | 9 -- libxfs/init.c | 7 -- libxfs/libxfs_api_defs.h | 10 ++ libxfs/xfs_bmap.c | 13 ++- libxfs/xfs_rtbitmap.c | 142 +++++++++++--------------------- libxfs/xfs_rtbitmap.h | 64 +++++---------- libxfs/xfs_rtgroup.c | 80 ++++++++++++++---- libxfs/xfs_rtgroup.h | 14 +++ mkfs/proto.c | 33 +++++-- repair/phase6.c | 203 +++++++++++++++++++++++----------------------- repair/rt.c | 34 +------- repair/rt.h | 4 - 12 files changed, 294 insertions(+), 319 deletions(-) diff --git a/include/xfs_mount.h b/include/xfs_mount.h index 14d640b1511cab..7406825cf7f57a 100644 --- a/include/xfs_mount.h +++ b/include/xfs_mount.h @@ -83,15 +83,6 @@ typedef struct xfs_mount { uint m_rsumlevels; /* rt summary levels */ xfs_filblks_t m_rsumblocks; /* size of rt summary, FSBs */ uint32_t m_rgblocks; /* size of rtgroup in rtblocks */ - /* - * Optional cache of rt summary level per bitmap block with the - * invariant that m_rsum_cache[bbno] <= the minimum i for which - * rsum[i][bbno] != 0. Reads and writes are serialized by the rsumip - * inode lock. - */ - uint8_t *m_rsum_cache; - struct xfs_inode *m_rbmip; /* pointer to bitmap inode */ - struct xfs_inode *m_rsumip; /* pointer to summary inode */ struct xfs_inode *m_metadirip; /* ptr to metadata directory */ struct xfs_inode *m_rtdirip; /* ptr to realtime metadir */ struct xfs_buftarg *m_ddev_targp; diff --git a/libxfs/init.c b/libxfs/init.c index 1a8084108f0778..5ec01537faac6b 100644 --- a/libxfs/init.c +++ b/libxfs/init.c @@ -326,7 +326,6 @@ rtmount_init( mp->m_rsumlevels = mp->m_sb.sb_rextslog + 1; mp->m_rsumblocks = xfs_rtsummary_blockcount(mp, mp->m_rsumlevels, mp->m_sb.sb_rbmblocks); - mp->m_rbmip = mp->m_rsumip = NULL; /* * Allow debugger to be run without the realtime device present. @@ -855,13 +854,9 @@ libxfs_rtmount_destroy( while ((rtg = xfs_rtgroup_next(mp, rtg))) { for (i = 0; i < XFS_RTGI_MAX; i++) libxfs_rtginode_irele(&rtg->rtg_inodes[i]); + kvfree(rtg->rtg_rsum_cache); } libxfs_rtginode_irele(&mp->m_rtdirip); - if (mp->m_rsumip) - libxfs_irele(mp->m_rsumip); - if (mp->m_rbmip) - libxfs_irele(mp->m_rbmip); - mp->m_rsumip = mp->m_rbmip = NULL; } /* Flush a device and report on writes that didn't make it to stable storage. */ diff --git a/libxfs/libxfs_api_defs.h b/libxfs/libxfs_api_defs.h index 83e31a507aca6f..c869a4b0a46551 100644 --- a/libxfs/libxfs_api_defs.h +++ b/libxfs/libxfs_api_defs.h @@ -274,12 +274,22 @@ #define xfs_rmap_query_all libxfs_rmap_query_all #define xfs_rmap_query_range libxfs_rmap_query_range +#define xfs_rtbitmap_create libxfs_rtbitmap_create #define xfs_rtbitmap_getword libxfs_rtbitmap_getword #define xfs_rtbitmap_setword libxfs_rtbitmap_setword #define xfs_rtbitmap_wordcount libxfs_rtbitmap_wordcount +#define xfs_rtginode_create libxfs_rtginode_create #define xfs_rtginode_irele libxfs_rtginode_irele +#define xfs_rtginode_load libxfs_rtginode_load +#define xfs_rtginode_load_parent libxfs_rtginode_load_parent +#define xfs_rtginode_metafile_type libxfs_rtginode_metafile_type +#define xfs_rtginode_mkdir_parent libxfs_rtginode_mkdir_parent +#define xfs_rtginode_name libxfs_rtginode_name +#define xfs_rtsummary_create libxfs_rtsummary_create #define xfs_rtgroup_alloc libxfs_rtgroup_alloc +#define xfs_rtgroup_grab libxfs_rtgroup_grab +#define xfs_rtgroup_rele libxfs_rtgroup_rele #define xfs_suminfo_add libxfs_suminfo_add #define xfs_suminfo_get libxfs_suminfo_get diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index 949546f3eba470..cebf5479189280 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -5115,19 +5115,26 @@ xfs_bmap_free_rtblocks( struct xfs_trans *tp, struct xfs_bmbt_irec *del) { + struct xfs_rtgroup *rtg; int error; + rtg = xfs_rtgroup_grab(tp->t_mountp, 0); + if (!rtg) + return -EIO; + /* * Ensure the bitmap and summary inodes are locked and joined to the * transaction before modifying them. */ if (!(tp->t_flags & XFS_TRANS_RTBITMAP_LOCKED)) { tp->t_flags |= XFS_TRANS_RTBITMAP_LOCKED; - xfs_rtbitmap_lock(tp->t_mountp); - xfs_rtbitmap_trans_join(tp); + xfs_rtgroup_lock(rtg, XFS_RTGLOCK_BITMAP); + xfs_rtgroup_trans_join(tp, rtg, XFS_RTGLOCK_BITMAP); } - error = xfs_rtfree_blocks(tp, del->br_startblock, del->br_blockcount); + error = xfs_rtfree_blocks(tp, rtg, del->br_startblock, + del->br_blockcount); + xfs_rtgroup_rele(rtg); return error; } diff --git a/libxfs/xfs_rtbitmap.c b/libxfs/xfs_rtbitmap.c index cff3030d1662b7..e4d0646ba19bfd 100644 --- a/libxfs/xfs_rtbitmap.c +++ b/libxfs/xfs_rtbitmap.c @@ -88,12 +88,12 @@ xfs_rtbuf_get( if (issum) { cbpp = &args->sumbp; coffp = &args->sumoff; - ip = mp->m_rsumip; + ip = args->rtg->rtg_inodes[XFS_RTGI_SUMMARY]; type = XFS_BLFT_RTSUMMARY_BUF; } else { cbpp = &args->rbmbp; coffp = &args->rbmoff; - ip = mp->m_rbmip; + ip = args->rtg->rtg_inodes[XFS_RTGI_BITMAP]; type = XFS_BLFT_RTBITMAP_BUF; } @@ -501,6 +501,7 @@ xfs_rtmodify_summary( { struct xfs_mount *mp = args->mp; xfs_rtsumoff_t so = xfs_rtsumoffs(mp, log, bbno); + uint8_t *rsum_cache = args->rtg->rtg_rsum_cache; unsigned int infoword; xfs_suminfo_t val; int error; @@ -512,11 +513,11 @@ xfs_rtmodify_summary( infoword = xfs_rtsumoffs_to_infoword(mp, so); val = xfs_suminfo_add(args, infoword, delta); - if (mp->m_rsum_cache) { - if (val == 0 && log + 1 == mp->m_rsum_cache[bbno]) - mp->m_rsum_cache[bbno] = log; - if (val != 0 && log >= mp->m_rsum_cache[bbno]) - mp->m_rsum_cache[bbno] = log + 1; + if (rsum_cache) { + if (val == 0 && log + 1 == rsum_cache[bbno]) + rsum_cache[bbno] = log; + if (val != 0 && log >= rsum_cache[bbno]) + rsum_cache[bbno] = log + 1; } xfs_trans_log_rtsummary(args, infoword); @@ -735,7 +736,7 @@ xfs_rtfree_range( /* * Find the next allocated block (end of allocated extent). */ - error = xfs_rtfind_forw(args, end, mp->m_sb.sb_rextents - 1, + error = xfs_rtfind_forw(args, end, args->rtg->rtg_extents - 1, &postblock); if (error) return error; @@ -959,19 +960,22 @@ xfs_rtcheck_alloc_range( int xfs_rtfree_extent( struct xfs_trans *tp, /* transaction pointer */ + struct xfs_rtgroup *rtg, xfs_rtxnum_t start, /* starting rtext number to free */ xfs_rtxlen_t len) /* length of extent freed */ { struct xfs_mount *mp = tp->t_mountp; + struct xfs_inode *rbmip = rtg->rtg_inodes[XFS_RTGI_BITMAP]; struct xfs_rtalloc_args args = { .mp = mp, .tp = tp, + .rtg = rtg, }; int error; struct timespec64 atime; - ASSERT(mp->m_rbmip->i_itemp != NULL); - xfs_assert_ilocked(mp->m_rbmip, XFS_ILOCK_EXCL); + ASSERT(rbmip->i_itemp != NULL); + xfs_assert_ilocked(rbmip, XFS_ILOCK_EXCL); error = xfs_rtcheck_alloc_range(&args, start, len); if (error) @@ -994,13 +998,13 @@ xfs_rtfree_extent( */ if (tp->t_frextents_delta + mp->m_sb.sb_frextents == mp->m_sb.sb_rextents) { - if (!(mp->m_rbmip->i_diflags & XFS_DIFLAG_NEWRTBM)) - mp->m_rbmip->i_diflags |= XFS_DIFLAG_NEWRTBM; + if (!(rbmip->i_diflags & XFS_DIFLAG_NEWRTBM)) + rbmip->i_diflags |= XFS_DIFLAG_NEWRTBM; - atime = inode_get_atime(VFS_I(mp->m_rbmip)); + atime = inode_get_atime(VFS_I(rbmip)); atime.tv_sec = 0; - inode_set_atime_to_ts(VFS_I(mp->m_rbmip), atime); - xfs_trans_log_inode(tp, mp->m_rbmip, XFS_ILOG_CORE); + inode_set_atime_to_ts(VFS_I(rbmip), atime); + xfs_trans_log_inode(tp, rbmip, XFS_ILOG_CORE); } error = 0; out: @@ -1016,6 +1020,7 @@ xfs_rtfree_extent( int xfs_rtfree_blocks( struct xfs_trans *tp, + struct xfs_rtgroup *rtg, xfs_fsblock_t rtbno, xfs_filblks_t rtlen) { @@ -1036,21 +1041,23 @@ xfs_rtfree_blocks( return -EIO; } - return xfs_rtfree_extent(tp, xfs_rtb_to_rtx(mp, rtbno), - xfs_rtb_to_rtx(mp, rtlen)); + return xfs_rtfree_extent(tp, rtg, xfs_rtb_to_rtx(mp, rtbno), + xfs_extlen_to_rtxlen(mp, rtlen)); } /* Find all the free records within a given range. */ int xfs_rtalloc_query_range( - struct xfs_mount *mp, + struct xfs_rtgroup *rtg, struct xfs_trans *tp, xfs_rtxnum_t start, xfs_rtxnum_t end, xfs_rtalloc_query_range_fn fn, void *priv) { + struct xfs_mount *mp = rtg_mount(rtg); struct xfs_rtalloc_args args = { + .rtg = rtg, .mp = mp, .tp = tp, }; @@ -1058,10 +1065,10 @@ xfs_rtalloc_query_range( if (start > end) return -EINVAL; - if (start == end || start >= mp->m_sb.sb_rextents) + if (start == end || start >= rtg->rtg_extents) return 0; - end = min(end, mp->m_sb.sb_rextents - 1); + end = min(end, rtg->rtg_extents - 1); /* Iterate the bitmap, looking for discrepancies. */ while (start <= end) { @@ -1084,7 +1091,7 @@ xfs_rtalloc_query_range( rec.ar_startext = start; rec.ar_extcount = rtend - start + 1; - error = fn(mp, tp, &rec, priv); + error = fn(rtg, tp, &rec, priv); if (error) break; } @@ -1099,26 +1106,27 @@ xfs_rtalloc_query_range( /* Find all the free records. */ int xfs_rtalloc_query_all( - struct xfs_mount *mp, + struct xfs_rtgroup *rtg, struct xfs_trans *tp, xfs_rtalloc_query_range_fn fn, void *priv) { - return xfs_rtalloc_query_range(mp, tp, 0, mp->m_sb.sb_rextents - 1, fn, + return xfs_rtalloc_query_range(rtg, tp, 0, rtg->rtg_extents - 1, fn, priv); } /* Is the given extent all free? */ int xfs_rtalloc_extent_is_free( - struct xfs_mount *mp, + struct xfs_rtgroup *rtg, struct xfs_trans *tp, xfs_rtxnum_t start, xfs_rtxlen_t len, bool *is_free) { struct xfs_rtalloc_args args = { - .mp = mp, + .mp = rtg_mount(rtg), + .rtg = rtg, .tp = tp, }; xfs_rtxnum_t end; @@ -1159,65 +1167,6 @@ xfs_rtsummary_blockcount( return XFS_B_TO_FSB(mp, rsumwords << XFS_WORDLOG); } -/* Lock both realtime free space metadata inodes for a freespace update. */ -void -xfs_rtbitmap_lock( - struct xfs_mount *mp) -{ - xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL | XFS_ILOCK_RTBITMAP); - xfs_ilock(mp->m_rsumip, XFS_ILOCK_EXCL | XFS_ILOCK_RTSUM); -} - -/* - * Join both realtime free space metadata inodes to the transaction. The - * ILOCKs will be released on transaction commit. - */ -void -xfs_rtbitmap_trans_join( - struct xfs_trans *tp) -{ - xfs_trans_ijoin(tp, tp->t_mountp->m_rbmip, XFS_ILOCK_EXCL); - xfs_trans_ijoin(tp, tp->t_mountp->m_rsumip, XFS_ILOCK_EXCL); -} - -/* Unlock both realtime free space metadata inodes after a freespace update. */ -void -xfs_rtbitmap_unlock( - struct xfs_mount *mp) -{ - xfs_iunlock(mp->m_rsumip, XFS_ILOCK_EXCL | XFS_ILOCK_RTSUM); - xfs_iunlock(mp->m_rbmip, XFS_ILOCK_EXCL | XFS_ILOCK_RTBITMAP); -} - -/* - * Lock the realtime free space metadata inodes for a freespace scan. Callers - * must walk metadata blocks in order of increasing file offset. - */ -void -xfs_rtbitmap_lock_shared( - struct xfs_mount *mp, - unsigned int rbmlock_flags) -{ - if (rbmlock_flags & XFS_RBMLOCK_BITMAP) - xfs_ilock(mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP); - - if (rbmlock_flags & XFS_RBMLOCK_SUMMARY) - xfs_ilock(mp->m_rsumip, XFS_ILOCK_SHARED | XFS_ILOCK_RTSUM); -} - -/* Unlock the realtime free space metadata inodes after a freespace scan. */ -void -xfs_rtbitmap_unlock_shared( - struct xfs_mount *mp, - unsigned int rbmlock_flags) -{ - if (rbmlock_flags & XFS_RBMLOCK_SUMMARY) - xfs_iunlock(mp->m_rsumip, XFS_ILOCK_SHARED | XFS_ILOCK_RTSUM); - - if (rbmlock_flags & XFS_RBMLOCK_BITMAP) - xfs_iunlock(mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP); -} - static int xfs_rtfile_alloc_blocks( struct xfs_inode *ip, @@ -1258,21 +1207,25 @@ xfs_rtfile_alloc_blocks( /* Get a buffer for the block. */ static int xfs_rtfile_initialize_block( - struct xfs_inode *ip, + struct xfs_rtgroup *rtg, + enum xfs_rtg_inodes type, xfs_fsblock_t fsbno, void *data) { - struct xfs_mount *mp = ip->i_mount; + struct xfs_mount *mp = rtg_mount(rtg); + struct xfs_inode *ip = rtg->rtg_inodes[type]; struct xfs_trans *tp; struct xfs_buf *bp; const size_t copylen = mp->m_blockwsize << XFS_WORDLOG; enum xfs_blft buf_type; int error; - if (ip == mp->m_rsumip) - buf_type = XFS_BLFT_RTSUMMARY_BUF; - else + if (type == XFS_RTGI_BITMAP) buf_type = XFS_BLFT_RTBITMAP_BUF; + else if (type == XFS_RTGI_SUMMARY) + buf_type = XFS_BLFT_RTSUMMARY_BUF; + else + return -EINVAL; error = xfs_trans_alloc(mp, &M_RES(mp)->tr_growrtzero, 0, 0, 0, &tp); if (error) @@ -1304,12 +1257,13 @@ xfs_rtfile_initialize_block( */ int xfs_rtfile_initialize_blocks( - struct xfs_inode *ip, /* inode (bitmap/summary) */ + struct xfs_rtgroup *rtg, + enum xfs_rtg_inodes type, xfs_fileoff_t offset_fsb, /* offset to start from */ xfs_fileoff_t end_fsb, /* offset to allocate to */ void *data) /* data to fill the blocks */ { - struct xfs_mount *mp = ip->i_mount; + struct xfs_mount *mp = rtg_mount(rtg); const size_t copylen = mp->m_blockwsize << XFS_WORDLOG; while (offset_fsb < end_fsb) { @@ -1317,8 +1271,8 @@ xfs_rtfile_initialize_blocks( xfs_filblks_t i; int error; - error = xfs_rtfile_alloc_blocks(ip, offset_fsb, - end_fsb - offset_fsb, &map); + error = xfs_rtfile_alloc_blocks(rtg->rtg_inodes[type], + offset_fsb, end_fsb - offset_fsb, &map); if (error) return error; @@ -1328,7 +1282,7 @@ xfs_rtfile_initialize_blocks( * Do this one block per transaction, to keep it simple. */ for (i = 0; i < map.br_blockcount; i++) { - error = xfs_rtfile_initialize_block(ip, + error = xfs_rtfile_initialize_block(rtg, type, map.br_startblock + i, data); if (error) return error; diff --git a/libxfs/xfs_rtbitmap.h b/libxfs/xfs_rtbitmap.h index 140513d1d6bcf1..b3cbc56aa255ed 100644 --- a/libxfs/xfs_rtbitmap.h +++ b/libxfs/xfs_rtbitmap.h @@ -6,7 +6,10 @@ #ifndef __XFS_RTBITMAP_H__ #define __XFS_RTBITMAP_H__ +#include "xfs_rtgroup.h" + struct xfs_rtalloc_args { + struct xfs_rtgroup *rtg; struct xfs_mount *mp; struct xfs_trans *tp; @@ -268,7 +271,7 @@ struct xfs_rtalloc_rec { }; typedef int (*xfs_rtalloc_query_range_fn)( - struct xfs_mount *mp, + struct xfs_rtgroup *rtg, struct xfs_trans *tp, const struct xfs_rtalloc_rec *rec, void *priv); @@ -291,53 +294,37 @@ int xfs_rtmodify_summary(struct xfs_rtalloc_args *args, int log, xfs_fileoff_t bbno, int delta); int xfs_rtfree_range(struct xfs_rtalloc_args *args, xfs_rtxnum_t start, xfs_rtxlen_t len); -int xfs_rtalloc_query_range(struct xfs_mount *mp, struct xfs_trans *tp, +int xfs_rtalloc_query_range(struct xfs_rtgroup *rtg, struct xfs_trans *tp, xfs_rtxnum_t start, xfs_rtxnum_t end, xfs_rtalloc_query_range_fn fn, void *priv); -int xfs_rtalloc_query_all(struct xfs_mount *mp, struct xfs_trans *tp, - xfs_rtalloc_query_range_fn fn, - void *priv); -int xfs_rtalloc_extent_is_free(struct xfs_mount *mp, struct xfs_trans *tp, - xfs_rtxnum_t start, xfs_rtxlen_t len, - bool *is_free); -/* - * Free an extent in the realtime subvolume. Length is expressed in - * realtime extents, as is the block number. - */ -int /* error */ -xfs_rtfree_extent( - struct xfs_trans *tp, /* transaction pointer */ - xfs_rtxnum_t start, /* starting rtext number to free */ - xfs_rtxlen_t len); /* length of extent freed */ - +int xfs_rtalloc_query_all(struct xfs_rtgroup *rtg, struct xfs_trans *tp, + xfs_rtalloc_query_range_fn fn, void *priv); +int xfs_rtalloc_extent_is_free(struct xfs_rtgroup *rtg, struct xfs_trans *tp, + xfs_rtxnum_t start, xfs_rtxlen_t len, bool *is_free); +int xfs_rtfree_extent(struct xfs_trans *tp, struct xfs_rtgroup *rtg, + xfs_rtxnum_t start, xfs_rtxlen_t len); /* Same as above, but in units of rt blocks. */ -int xfs_rtfree_blocks(struct xfs_trans *tp, xfs_fsblock_t rtbno, - xfs_filblks_t rtlen); +int xfs_rtfree_blocks(struct xfs_trans *tp, struct xfs_rtgroup *rtg, + xfs_fsblock_t rtbno, xfs_filblks_t rtlen); xfs_filblks_t xfs_rtbitmap_blockcount(struct xfs_mount *mp, xfs_rtbxlen_t rtextents); xfs_filblks_t xfs_rtsummary_blockcount(struct xfs_mount *mp, unsigned int rsumlevels, xfs_extlen_t rbmblocks); -int xfs_rtfile_initialize_blocks(struct xfs_inode *ip, - xfs_fileoff_t offset_fsb, xfs_fileoff_t end_fsb, void *data); +int xfs_rtfile_initialize_blocks(struct xfs_rtgroup *rtg, + enum xfs_rtg_inodes type, xfs_fileoff_t offset_fsb, + xfs_fileoff_t end_fsb, void *data); -void xfs_rtbitmap_lock(struct xfs_mount *mp); -void xfs_rtbitmap_unlock(struct xfs_mount *mp); -void xfs_rtbitmap_trans_join(struct xfs_trans *tp); - -/* Lock the rt bitmap inode in shared mode */ -#define XFS_RBMLOCK_BITMAP (1U << 0) -/* Lock the rt summary inode in shared mode */ -#define XFS_RBMLOCK_SUMMARY (1U << 1) - -void xfs_rtbitmap_lock_shared(struct xfs_mount *mp, - unsigned int rbmlock_flags); -void xfs_rtbitmap_unlock_shared(struct xfs_mount *mp, - unsigned int rbmlock_flags); #else /* CONFIG_XFS_RT */ # define xfs_rtfree_extent(t,b,l) (-ENOSYS) -# define xfs_rtfree_blocks(t,rb,rl) (-ENOSYS) + +static inline int xfs_rtfree_blocks(struct xfs_trans *tp, + struct xfs_rtgroup *rtg, xfs_fsblock_t rtbno, + xfs_filblks_t rtlen) +{ + return -ENOSYS; +} # define xfs_rtalloc_query_range(m,t,l,h,f,p) (-ENOSYS) # define xfs_rtalloc_query_all(m,t,f,p) (-ENOSYS) # define xfs_rtbitmap_read_buf(a,b) (-ENOSYS) @@ -351,11 +338,6 @@ xfs_rtbitmap_blockcount(struct xfs_mount *mp, xfs_rtbxlen_t rtextents) return 0; } # define xfs_rtsummary_blockcount(mp, l, b) (0) -# define xfs_rtbitmap_lock(mp) do { } while (0) -# define xfs_rtbitmap_trans_join(tp) do { } while (0) -# define xfs_rtbitmap_unlock(mp) do { } while (0) -# define xfs_rtbitmap_lock_shared(mp, lf) do { } while (0) -# define xfs_rtbitmap_unlock_shared(mp, lf) do { } while (0) #endif /* CONFIG_XFS_RT */ #endif /* __XFS_RTBITMAP_H__ */ diff --git a/libxfs/xfs_rtgroup.c b/libxfs/xfs_rtgroup.c index 09dd0c2ed8769c..41c794718e06c9 100644 --- a/libxfs/xfs_rtgroup.c +++ b/libxfs/xfs_rtgroup.c @@ -160,10 +160,16 @@ xfs_rtgroup_lock( ASSERT(!(rtglock_flags & XFS_RTGLOCK_BITMAP_SHARED) || !(rtglock_flags & XFS_RTGLOCK_BITMAP)); - if (rtglock_flags & XFS_RTGLOCK_BITMAP) - xfs_rtbitmap_lock(rtg_mount(rtg)); - else if (rtglock_flags & XFS_RTGLOCK_BITMAP_SHARED) - xfs_rtbitmap_lock_shared(rtg_mount(rtg), XFS_RBMLOCK_BITMAP); + if (rtglock_flags & XFS_RTGLOCK_BITMAP) { + /* + * Lock both realtime free space metadata inodes for a freespace + * update. + */ + xfs_ilock(rtg->rtg_inodes[XFS_RTGI_BITMAP], XFS_ILOCK_EXCL); + xfs_ilock(rtg->rtg_inodes[XFS_RTGI_SUMMARY], XFS_ILOCK_EXCL); + } else if (rtglock_flags & XFS_RTGLOCK_BITMAP_SHARED) { + xfs_ilock(rtg->rtg_inodes[XFS_RTGI_BITMAP], XFS_ILOCK_SHARED); + } } /* Unlock metadata inodes associated with this rt group. */ @@ -176,10 +182,12 @@ xfs_rtgroup_unlock( ASSERT(!(rtglock_flags & XFS_RTGLOCK_BITMAP_SHARED) || !(rtglock_flags & XFS_RTGLOCK_BITMAP)); - if (rtglock_flags & XFS_RTGLOCK_BITMAP) - xfs_rtbitmap_unlock(rtg_mount(rtg)); - else if (rtglock_flags & XFS_RTGLOCK_BITMAP_SHARED) - xfs_rtbitmap_unlock_shared(rtg_mount(rtg), XFS_RBMLOCK_BITMAP); + if (rtglock_flags & XFS_RTGLOCK_BITMAP) { + xfs_iunlock(rtg->rtg_inodes[XFS_RTGI_SUMMARY], XFS_ILOCK_EXCL); + xfs_iunlock(rtg->rtg_inodes[XFS_RTGI_BITMAP], XFS_ILOCK_EXCL); + } else if (rtglock_flags & XFS_RTGLOCK_BITMAP_SHARED) { + xfs_iunlock(rtg->rtg_inodes[XFS_RTGI_BITMAP], XFS_ILOCK_SHARED); + } } /* @@ -195,8 +203,12 @@ xfs_rtgroup_trans_join( ASSERT(!(rtglock_flags & ~XFS_RTGLOCK_ALL_FLAGS)); ASSERT(!(rtglock_flags & XFS_RTGLOCK_BITMAP_SHARED)); - if (rtglock_flags & XFS_RTGLOCK_BITMAP) - xfs_rtbitmap_trans_join(tp); + if (rtglock_flags & XFS_RTGLOCK_BITMAP) { + xfs_trans_ijoin(tp, rtg->rtg_inodes[XFS_RTGI_BITMAP], + XFS_ILOCK_EXCL); + xfs_trans_ijoin(tp, rtg->rtg_inodes[XFS_RTGI_SUMMARY], + XFS_ILOCK_EXCL); + } } #ifdef CONFIG_PROVE_LOCKING @@ -261,6 +273,14 @@ struct xfs_rtginode_ops { }; static const struct xfs_rtginode_ops xfs_rtginode_ops[XFS_RTGI_MAX] = { + [XFS_RTGI_BITMAP] = { + .name = "bitmap", + .metafile_type = XFS_METAFILE_RTBITMAP, + }, + [XFS_RTGI_SUMMARY] = { + .name = "summary", + .metafile_type = XFS_METAFILE_RTSUMMARY, + }, }; /* Return the shortname of this rtgroup inode. */ @@ -300,7 +320,6 @@ xfs_rtginode_load( struct xfs_trans *tp) { struct xfs_mount *mp = tp->t_mountp; - const char *path; struct xfs_inode *ip; const struct xfs_rtginode_ops *ops = &xfs_rtginode_ops[type]; int error; @@ -308,15 +327,36 @@ xfs_rtginode_load( if (!xfs_rtginode_enabled(rtg, type)) return 0; - if (!mp->m_rtdirip) - return -EFSCORRUPTED; - - path = xfs_rtginode_path(rtg_rgno(rtg), type); - if (!path) - return -ENOMEM; - error = xfs_metadir_load(tp, mp->m_rtdirip, path, ops->metafile_type, - &ip); - kfree(path); + if (!xfs_has_rtgroups(mp)) { + xfs_ino_t ino; + + switch (type) { + case XFS_RTGI_BITMAP: + ino = mp->m_sb.sb_rbmino; + break; + case XFS_RTGI_SUMMARY: + ino = mp->m_sb.sb_rsumino; + break; + default: + /* None of the other types exist on !rtgroups */ + return 0; + } + + error = xfs_trans_metafile_iget(tp, ino, ops->metafile_type, + &ip); + } else { + const char *path; + + if (!mp->m_rtdirip) + return -EFSCORRUPTED; + + path = xfs_rtginode_path(rtg_rgno(rtg), type); + if (!path) + return -ENOMEM; + error = xfs_metadir_load(tp, mp->m_rtdirip, path, + ops->metafile_type, &ip); + kfree(path); + } if (error) return error; diff --git a/libxfs/xfs_rtgroup.h b/libxfs/xfs_rtgroup.h index 2c894df723a786..3732f65ba8a1f6 100644 --- a/libxfs/xfs_rtgroup.h +++ b/libxfs/xfs_rtgroup.h @@ -12,6 +12,9 @@ struct xfs_mount; struct xfs_trans; enum xfs_rtg_inodes { + XFS_RTGI_BITMAP, /* allocation bitmap */ + XFS_RTGI_SUMMARY, /* allocation summary */ + XFS_RTGI_MAX, }; @@ -26,10 +29,19 @@ struct xfs_rtgroup { struct xfs_group rtg_group; /* per-rtgroup metadata inodes */ - struct xfs_inode *rtg_inodes[1 /* hack */]; + struct xfs_inode *rtg_inodes[XFS_RTGI_MAX]; /* Number of blocks in this group */ xfs_rtxnum_t rtg_extents; + + /* + * Cache of rt summary level per bitmap block with the invariant that + * rtg_rsum_cache[bbno] > the maximum i for which rsum[i][bbno] != 0, + * or 0 if rsum[i][bbno] == 0 for all i. + * + * Reads and writes are serialized by the rsumip inode lock. + */ + uint8_t *rtg_rsum_cache; }; static inline struct xfs_rtgroup *to_rtg(struct xfs_group *xg) diff --git a/mkfs/proto.c b/mkfs/proto.c index 7a0493ec71cfd9..55182bf50fd399 100644 --- a/mkfs/proto.c +++ b/mkfs/proto.c @@ -946,9 +946,11 @@ parse_proto( /* Create a sb-rooted metadata file. */ static void create_sb_metadata_file( - struct xfs_mount *mp, + struct xfs_rtgroup *rtg, + enum xfs_rtg_inodes type, void (*create)(struct xfs_inode *ip)) { + struct xfs_mount *mp = rtg_mount(rtg); struct xfs_icreate_args args = { .mode = S_IFREG, .flags = XFS_ICREATE_UNLINKABLE, @@ -978,6 +980,8 @@ create_sb_metadata_file( error = -libxfs_trans_commit(tp); if (error) goto fail; + rtg->rtg_inodes[type] = ip; + return; fail: if (ip) @@ -997,8 +1001,6 @@ rtbitmap_create( inode_set_atime(VFS_I(ip), 0, 0); mp->m_sb.sb_rbmino = ip->i_ino; - mp->m_rbmip = ip; - ihold(VFS_I(ip)); } static void @@ -1010,8 +1012,6 @@ rtsummary_create( ip->i_disk_size = mp->m_rsumblocks * mp->m_sb.sb_blocksize; mp->m_sb.sb_rsumino = ip->i_ino; - mp->m_rsumip = ip; - ihold(VFS_I(ip)); } /* @@ -1020,8 +1020,9 @@ rtsummary_create( */ static void rtfreesp_init( - struct xfs_mount *mp) + struct xfs_rtgroup *rtg) { + struct xfs_mount *mp = rtg_mount(rtg); struct xfs_trans *tp; xfs_rtxnum_t rtx; xfs_rtxnum_t ertx; @@ -1030,12 +1031,12 @@ rtfreesp_init( /* * First zero the realtime bitmap and summary files. */ - error = -libxfs_rtfile_initialize_blocks(mp->m_rbmip, 0, + error = -libxfs_rtfile_initialize_blocks(rtg, XFS_RTGI_BITMAP, 0, mp->m_sb.sb_rbmblocks, NULL); if (error) fail(_("Initialization of rtbitmap inode failed"), error); - error = -libxfs_rtfile_initialize_blocks(mp->m_rsumip, 0, + error = -libxfs_rtfile_initialize_blocks(rtg, XFS_RTGI_SUMMARY, 0, mp->m_rsumblocks, NULL); if (error) fail(_("Initialization of rtsummary inode failed"), error); @@ -1049,11 +1050,11 @@ rtfreesp_init( if (error) res_failed(error); - libxfs_trans_ijoin(tp, mp->m_rbmip, 0); + libxfs_trans_ijoin(tp, rtg->rtg_inodes[XFS_RTGI_BITMAP], 0); ertx = min(mp->m_sb.sb_rextents, rtx + NBBY * mp->m_sb.sb_blocksize); - error = -libxfs_rtfree_extent(tp, rtx, + error = -libxfs_rtfree_extent(tp, rtg, rtx, (xfs_rtxlen_t)(ertx - rtx)); if (error) { fail(_("Error initializing the realtime space"), @@ -1073,10 +1074,16 @@ static void rtinit( struct xfs_mount *mp) { - create_sb_metadata_file(mp, rtbitmap_create); - create_sb_metadata_file(mp, rtsummary_create); + struct xfs_rtgroup *rtg = NULL; - rtfreesp_init(mp); + while ((rtg = xfs_rtgroup_next(mp, rtg))) { + create_sb_metadata_file(rtg, XFS_RTGI_BITMAP, + rtbitmap_create); + create_sb_metadata_file(rtg, XFS_RTGI_SUMMARY, + rtsummary_create); + + rtfreesp_init(rtg); + } } static off_t diff --git a/repair/phase6.c b/repair/phase6.c index 93df5c358338bf..d7a88133eb78e9 100644 --- a/repair/phase6.c +++ b/repair/phase6.c @@ -493,98 +493,85 @@ mark_ino_metadata( set_inode_is_meta(irec, ino_offset); } -/* Load a realtime freespace metadata inode from disk and reset it. */ -static int -ensure_rtino( - struct xfs_trans *tp, - enum xfs_metafile_type metafile_type, - struct xfs_inode **ipp) -{ - struct xfs_mount *mp = tp->t_mountp; - xfs_ino_t ino; - int error; - - switch (metafile_type) { - case XFS_METAFILE_RTBITMAP: - ino = mp->m_sb.sb_rbmino; - break; - case XFS_METAFILE_RTSUMMARY: - ino = mp->m_sb.sb_rsumino; - break; - default: - ASSERT(0); - return -EFSCORRUPTED; - } - - /* - * Don't use metafile iget here because we're resetting sb-rooted - * inodes that live at fixed inumbers, but these inodes could be in - * an arbitrary state. - */ - error = -libxfs_iget(mp, tp, ino, 0, ipp); - if (error) - return error; - - reset_sbroot_ino(tp, S_IFREG, *ipp); - if (xfs_has_metadir(mp)) - libxfs_metafile_set_iflag(tp, *ipp, metafile_type); - return 0; -} - +/* (Re)create a missing sb-rooted rt freespace inode. */ static void -mk_rbmino( - struct xfs_mount *mp) +mk_rtino( + struct xfs_rtgroup *rtg, + enum xfs_rtg_inodes type) { + struct xfs_mount *mp = rtg_mount(rtg); + struct xfs_inode *ip = rtg->rtg_inodes[type]; struct xfs_trans *tp; - struct xfs_inode *ip; + enum xfs_metafile_type metafile_type = + libxfs_rtginode_metafile_type(type); int error; error = -libxfs_trans_alloc_rollable(mp, 10, &tp); if (error) res_failed(error); - /* Reset the realtime bitmap inode. */ - error = ensure_rtino(tp, XFS_METAFILE_RTBITMAP, &ip); - if (error) { - do_error( - _("couldn't iget realtime bitmap inode -- error - %d\n"), - error); + if (!ip) { + xfs_ino_t rootino = mp->m_sb.sb_rootino; + xfs_ino_t ino = NULLFSINO; + + if (xfs_has_metadir(mp)) + rootino++; + + switch (type) { + case XFS_RTGI_BITMAP: + mp->m_sb.sb_rbmino = rootino + 1; + ino = mp->m_sb.sb_rbmino; + break; + case XFS_RTGI_SUMMARY: + mp->m_sb.sb_rsumino = rootino + 2; + ino = mp->m_sb.sb_rsumino; + break; + default: + break; + } + + /* + * Don't use metafile iget here because we're resetting + * sb-rooted inodes that live at fixed inumbers, but these + * inodes could be in an arbitrary state. + */ + error = -libxfs_iget(mp, tp, ino, 0, &ip); + if (error) { + do_error( +_("couldn't iget realtime %s inode -- error - %d\n"), + libxfs_rtginode_name(type), + error); + } + + rtg->rtg_inodes[type] = ip; } - ip->i_disk_size = mp->m_sb.sb_rbmblocks * mp->m_sb.sb_blocksize; - libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - error = -libxfs_trans_commit(tp); - if (error) - do_error(_("%s: commit failed, error %d\n"), __func__, error); - libxfs_irele(ip); -} - -static void -mk_rsumino( - struct xfs_mount *mp) -{ - struct xfs_trans *tp; - struct xfs_inode *ip; - int error; - - error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 10, 0, 0, &tp); - if (error) - res_failed(error); - - /* Reset the rt summary inode. */ - error = ensure_rtino(tp, XFS_METAFILE_RTSUMMARY, &ip); - if (error) { - do_error( - _("couldn't iget realtime summary inode -- error - %d\n"), - error); + reset_sbroot_ino(tp, S_IFREG, ip); + if (xfs_has_metadir(mp)) + libxfs_metafile_set_iflag(tp, ip, metafile_type); + + switch (type) { + case XFS_RTGI_BITMAP: + ip->i_disk_size = mp->m_sb.sb_rbmblocks * mp->m_sb.sb_blocksize; + libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); + error = 0; + break; + case XFS_RTGI_SUMMARY: + ip->i_disk_size = mp->m_rsumblocks * mp->m_sb.sb_blocksize; + libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); + error = 0; + break; + default: + error = EINVAL; } - ip->i_disk_size = mp->m_rsumblocks * mp->m_sb.sb_blocksize; - libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); + if (error) + do_error(_("%s inode re-initialization failed for rtgroup %u\n"), + libxfs_rtginode_name(type), rtg_rgno(rtg)); + error = -libxfs_trans_commit(tp); if (error) do_error(_("%s: commit failed, error %d\n"), __func__, error); - libxfs_irele(ip); } /* Initialize a root directory. */ @@ -3225,6 +3212,43 @@ traverse_ags( do_inode_prefetch(mp, ag_stride, traverse_function, false, true); } +static void +reset_rt_sb_inodes( + struct xfs_mount *mp) +{ + struct xfs_rtgroup *rtg; + + if (no_modify) { + if (need_rbmino) + do_warn(_("would reinitialize realtime bitmap inode\n")); + if (need_rsumino) + do_warn(_("would reinitialize realtime summary inode\n")); + return; + } + + rtg = libxfs_rtgroup_grab(mp, 0); + + if (need_rbmino) { + do_warn(_("reinitializing realtime bitmap inode\n")); + mk_rtino(rtg, XFS_RTGI_BITMAP); + need_rbmino = 0; + } + + if (need_rsumino) { + do_warn(_("reinitializing realtime summary inode\n")); + mk_rtino(rtg, XFS_RTGI_SUMMARY); + need_rsumino = 0; + } + + do_log( +_(" - resetting contents of realtime bitmap and summary inodes\n")); + + fill_rtbitmap(rtg); + fill_rtsummary(rtg); + + libxfs_rtgroup_rele(rtg); +} + void phase6(xfs_mount_t *mp) { @@ -3273,32 +3297,7 @@ phase6(xfs_mount_t *mp) do_warn(_("would reinitialize metadata root directory\n")); } - if (need_rbmino) { - if (!no_modify) { - do_warn(_("reinitializing realtime bitmap inode\n")); - mk_rbmino(mp); - need_rbmino = 0; - } else { - do_warn(_("would reinitialize realtime bitmap inode\n")); - } - } - - if (need_rsumino) { - if (!no_modify) { - do_warn(_("reinitializing realtime summary inode\n")); - mk_rsumino(mp); - need_rsumino = 0; - } else { - do_warn(_("would reinitialize realtime summary inode\n")); - } - } - - if (!no_modify) { - do_log( -_(" - resetting contents of realtime bitmap and summary inodes\n")); - fill_rtbitmap(mp); - fill_rtsummary(mp); - } + reset_rt_sb_inodes(mp); mark_standalone_inodes(mp); diff --git a/repair/rt.c b/repair/rt.c index d0a171020c4b49..711891a724b076 100644 --- a/repair/rt.c +++ b/repair/rt.c @@ -69,8 +69,6 @@ _("couldn't allocate memory for incore realtime bitmap.\n")); do_error( _("couldn't allocate memory for incore realtime summary info.\n")); - ASSERT(mp->m_rbmip == NULL); - /* * Slower but simple, don't play around with trying to set things one * word at a time, just set bit as required. Have to track start and @@ -234,46 +232,26 @@ check_rtsummary( void fill_rtbitmap( - struct xfs_mount *mp) + struct xfs_rtgroup *rtg) { - struct xfs_inode *ip; int error; - error = -libxfs_metafile_iget(mp, mp->m_sb.sb_rbmino, - XFS_METAFILE_RTBITMAP, &ip); - if (error) - do_error( -_("couldn't iget realtime bitmap inode, error %d\n"), error); - - error = -libxfs_rtfile_initialize_blocks(ip, 0, mp->m_sb.sb_rbmblocks, - btmcompute); + error = -libxfs_rtfile_initialize_blocks(rtg, XFS_RTGI_BITMAP, + 0, rtg_mount(rtg)->m_sb.sb_rbmblocks, btmcompute); if (error) do_error( _("couldn't re-initialize realtime bitmap inode, error %d\n"), error); - - libxfs_irele(ip); } void fill_rtsummary( - struct xfs_mount *mp) + struct xfs_rtgroup *rtg) { - struct xfs_inode *ip; int error; - error = -libxfs_metafile_iget(mp, mp->m_sb.sb_rsumino, - XFS_METAFILE_RTSUMMARY, &ip); - if (error) - do_error( -_("couldn't iget realtime summary inode, error %d\n"), error); - - mp->m_rsumip = ip; - error = -libxfs_rtfile_initialize_blocks(ip, 0, mp->m_rsumblocks, - sumcompute); - mp->m_rsumip = NULL; + error = -libxfs_rtfile_initialize_blocks(rtg, XFS_RTGI_SUMMARY, + 0, rtg_mount(rtg)->m_rsumblocks, sumcompute); if (error) do_error( _("couldn't re-initialize realtime summary inode, error %d\n"), error); - - libxfs_irele(ip); } diff --git a/repair/rt.h b/repair/rt.h index f8caa5dc874ec2..9d837de65a7dfc 100644 --- a/repair/rt.h +++ b/repair/rt.h @@ -10,7 +10,7 @@ void generate_rtinfo(struct xfs_mount *mp); void check_rtbitmap(struct xfs_mount *mp); void check_rtsummary(struct xfs_mount *mp); -void fill_rtbitmap(struct xfs_mount *mp); -void fill_rtsummary(struct xfs_mount *mp); +void fill_rtbitmap(struct xfs_rtgroup *rtg); +void fill_rtsummary(struct xfs_rtgroup *rtg); #endif /* _XFS_REPAIR_RT_H_ */