[31/34] xfs: move the min and max group block numbers to xfs_group

Message ID	173084398714.1871887.1726621751935043813.stgit@frogsfrogsfrogs (mailing list archive)
State	New
Headers	show 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 0C40B1CCB2D for <linux-xfs@vger.kernel.org>; Tue, 5 Nov 2024 22:37:58 +0000 (UTC) Date: Tue, 05 Nov 2024 14:37:58 -0800 Subject: [PATCH 31/34] xfs: move the min and max group block numbers to xfs_group From: "Darrick J. Wong" <djwong@kernel.org> To: cem@kernel.org, djwong@kernel.org Cc: linux-xfs@vger.kernel.org Message-ID: <173084398714.1871887.1726621751935043813.stgit@frogsfrogsfrogs> In-Reply-To: <173084398097.1871887.5832278892963229059.stgit@frogsfrogsfrogs> References: <173084398097.1871887.5832278892963229059.stgit@frogsfrogsfrogs> Precedence: bulk MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit
Series	[01/34] xfs: define the format of rt groups \| expand [01/34] xfs: define the format of rt groups [02/34] xfs: check the realtime superblock at mount time [03/34] xfs: update realtime super every time we update the primary fs super [04/34] xfs: export realtime group geometry via XFS_FSOP_GEOM [05/34] xfs: check that rtblock extents do not break rtsupers or rtgroups [06/34] xfs: add a helper to prevent bmap merges across rtgroup boundaries [07/34] xfs: add frextents to the lazysbcounters when rtgroups enabled [08/34] xfs: convert sick_map loops to use ARRAY_SIZE [09/34] xfs: record rt group metadata errors in the health system [10/34] xfs: export the geometry of realtime groups to userspace [11/34] xfs: add block headers to realtime bitmap and summary blocks [12/34] xfs: encode the rtbitmap in big endian format [13/34] xfs: encode the rtsummary in big endian format [14/34] xfs: grow the realtime section when realtime groups are enabled [15/34] xfs: store rtgroup information with a bmap intent [16/34] xfs: force swapext to a realtime file to use the file content exchange ioctl [17/34] xfs: support logging EFIs for realtime extents [18/34] xfs: support error injection when freeing rt extents [19/34] xfs: use realtime EFI to free extents when rtgroups are enabled [20/34] xfs: don't merge ioends across RTGs [21/34] xfs: make the RT allocator rtgroup aware [22/34] xfs: don't coalesce file mappings that cross rtgroup boundaries in scrub [23/34] xfs: scrub the realtime group superblock [24/34] xfs: repair realtime group superblock [25/34] xfs: scrub metadir paths for rtgroup metadata [26/34] xfs: mask off the rtbitmap and summary inodes when metadir in use [27/34] xfs: create helpers to deal with rounding xfs_fileoff_t to rtx boundaries [28/34] xfs: create helpers to deal with rounding xfs_filblks_t to rtx boundaries [29/34] xfs: make xfs_rtblock_t a segmented address like xfs_fsblock_t [30/34] xfs: adjust min_block usage in xfs_verify_agbno [31/34] xfs: move the min and max group block numbers to xfs_group [32/34] xfs: port the perag discard code to handle generic groups [33/34] xfs: implement busy extent tracking for rtgroups [34/34] xfs: use rtgroup busy extent list for FITRIM

diff --git a/fs/xfs/libxfs/xfs_ag.c b/fs/xfs/libxfs/xfs_ag.c index 8fe96a9e047205..b59cb461e096ea 100644 --- a/fs/xfs/libxfs/xfs_ag.c +++ b/fs/xfs/libxfs/xfs_ag.c @@ -205,9 +205,10 @@ xfs_update_last_ag_size( if (!pag) return -EFSCORRUPTED; - pag->block_count = __xfs_ag_block_count(mp, prev_agcount - 1, - mp->m_sb.sb_agcount, mp->m_sb.sb_dblocks); - __xfs_agino_range(mp, pag->block_count, &pag->agino_min, + pag_group(pag)->xg_block_count = __xfs_ag_block_count(mp, + prev_agcount - 1, mp->m_sb.sb_agcount, + mp->m_sb.sb_dblocks); + __xfs_agino_range(mp, pag_group(pag)->xg_block_count, &pag->agino_min, &pag->agino_max); xfs_perag_rele(pag); return 0; @@ -241,9 +242,10 @@ xfs_perag_alloc( /* * Pre-calculated geometry */ - pag->block_count = __xfs_ag_block_count(mp, index, agcount, dblocks); - pag->min_block = XFS_AGFL_BLOCK(mp) + 1; - __xfs_agino_range(mp, pag->block_count, &pag->agino_min, + pag_group(pag)->xg_block_count = __xfs_ag_block_count(mp, index, agcount, + dblocks); + pag_group(pag)->xg_min_gbno = XFS_AGFL_BLOCK(mp) + 1; + __xfs_agino_range(mp, pag_group(pag)->xg_block_count, &pag->agino_min, &pag->agino_max); error = xfs_group_insert(mp, pag_group(pag), index, XG_TYPE_AG); @@ -852,8 +854,8 @@ xfs_ag_shrink_space( } /* Update perag geometry */ - pag->block_count -= delta; - __xfs_agino_range(mp, pag->block_count, &pag->agino_min, + pag_group(pag)->xg_block_count -= delta; + __xfs_agino_range(mp, pag_group(pag)->xg_block_count, &pag->agino_min, &pag->agino_max); xfs_ialloc_log_agi(*tpp, agibp, XFS_AGI_LENGTH); @@ -924,8 +926,8 @@ xfs_ag_extend_space( return error; /* Update perag geometry */ - pag->block_count = be32_to_cpu(agf->agf_length); - __xfs_agino_range(mp, pag->block_count, &pag->agino_min, + pag_group(pag)->xg_block_count = be32_to_cpu(agf->agf_length); + __xfs_agino_range(mp, pag_group(pag)->xg_block_count, &pag->agino_min, &pag->agino_max); return 0; } diff --git a/fs/xfs/libxfs/xfs_ag.h b/fs/xfs/libxfs/xfs_ag.h index 9c22a76d58cfc2..1f24cfa2732172 100644 --- a/fs/xfs/libxfs/xfs_ag.h +++ b/fs/xfs/libxfs/xfs_ag.h @@ -61,8 +61,6 @@ struct xfs_perag { struct xfs_ag_resv pag_rmapbt_resv; /* Precalculated geometry info */ - xfs_agblock_t block_count; - xfs_agblock_t min_block; xfs_agino_t agino_min; xfs_agino_t agino_max; @@ -220,11 +218,7 @@ void xfs_agino_range(struct xfs_mount *mp, xfs_agnumber_t agno, static inline bool xfs_verify_agbno(struct xfs_perag *pag, xfs_agblock_t agbno) { - if (agbno >= pag->block_count) - return false; - if (agbno < pag->min_block) - return false; - return true; + return xfs_verify_gbno(pag_group(pag), agbno); } static inline bool @@ -233,13 +227,7 @@ xfs_verify_agbext( xfs_agblock_t agbno, xfs_agblock_t len) { - if (agbno + len <= agbno) - return false; - - if (!xfs_verify_agbno(pag, agbno)) - return false; - - return xfs_verify_agbno(pag, agbno + len - 1); + return xfs_verify_gbext(pag_group(pag), agbno, len); } /* diff --git a/fs/xfs/libxfs/xfs_group.h b/fs/xfs/libxfs/xfs_group.h index 5b7362277c3f7a..242b05627c7a6e 100644 --- a/fs/xfs/libxfs/xfs_group.h +++ b/fs/xfs/libxfs/xfs_group.h @@ -12,6 +12,10 @@ struct xfs_group { atomic_t xg_ref; /* passive reference count */ atomic_t xg_active_ref; /* active reference count */ + /* Precalculated geometry info */ + uint32_t xg_block_count; /* max usable gbno */ + uint32_t xg_min_gbno; /* min usable gbno */ + #ifdef __KERNEL__ /* -- kernel only structures below this line -- */ @@ -128,4 +132,33 @@ xfs_fsb_to_gbno( return fsbno & mp->m_groups[type].blkmask; } +static inline bool +xfs_verify_gbno( + struct xfs_group *xg, + uint32_t gbno) +{ + if (gbno >= xg->xg_block_count) + return false; + if (gbno < xg->xg_min_gbno) + return false; + return true; +} + +static inline bool +xfs_verify_gbext( + struct xfs_group *xg, + uint32_t gbno, + uint32_t glen) +{ + uint32_t end; + + if (!xfs_verify_gbno(xg, gbno)) + return false; + if (glen == 0 || check_add_overflow(gbno, glen - 1, &end)) + return false; + if (!xfs_verify_gbno(xg, end)) + return false; + return true; +} + #endif /* __LIBXFS_GROUP_H */ diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c index 4c28deb3e9881d..9b34896dd1a32f 100644 --- a/fs/xfs/libxfs/xfs_ialloc_btree.c +++ b/fs/xfs/libxfs/xfs_ialloc_btree.c @@ -717,7 +717,7 @@ xfs_inobt_max_size( struct xfs_perag *pag) { struct xfs_mount *mp = pag_mount(pag); - xfs_agblock_t agblocks = pag->block_count; + xfs_agblock_t agblocks = pag_group(pag)->xg_block_count; /* Bail out if we're uninitialized, which can happen in mkfs. */ if (M_IGEO(mp)->inobt_mxr[0] == 0) diff --git a/fs/xfs/libxfs/xfs_rtgroup.c b/fs/xfs/libxfs/xfs_rtgroup.c index 624d8b25eba0ec..e74bb059f24fa1 100644 --- a/fs/xfs/libxfs/xfs_rtgroup.c +++ b/fs/xfs/libxfs/xfs_rtgroup.c @@ -34,6 +34,32 @@ #include "xfs_metafile.h" #include "xfs_metadir.h" +/* Find the first usable fsblock in this rtgroup. */ +static inline uint32_t +xfs_rtgroup_min_block( + struct xfs_mount *mp, + xfs_rgnumber_t rgno) +{ + if (xfs_has_rtsb(mp) && rgno == 0) + return mp->m_sb.sb_rextsize; + + return 0; +} + +/* Precompute this group's geometry */ +void +xfs_rtgroup_calc_geometry( + struct xfs_mount *mp, + struct xfs_rtgroup *rtg, + xfs_rgnumber_t rgno, + xfs_rgnumber_t rgcount, + xfs_rtbxlen_t rextents) +{ + rtg->rtg_extents = __xfs_rtgroup_extents(mp, rgno, rgcount, rextents); + rtg_group(rtg)->xg_block_count = rtg->rtg_extents * mp->m_sb.sb_rextsize; + rtg_group(rtg)->xg_min_gbno = xfs_rtgroup_min_block(mp, rgno); +} + int xfs_rtgroup_alloc( struct xfs_mount *mp, @@ -48,6 +74,8 @@ xfs_rtgroup_alloc( if (!rtg) return -ENOMEM; + xfs_rtgroup_calc_geometry(mp, rtg, rgno, rgcount, rextents); + error = xfs_group_insert(mp, rtg_group(rtg), rgno, XG_TYPE_RTG); if (error) goto out_free_rtg; @@ -149,6 +177,7 @@ xfs_update_last_rtgroup_size( return -EFSCORRUPTED; rtg->rtg_extents = __xfs_rtgroup_extents(mp, prev_rgcount - 1, mp->m_sb.sb_rgcount, mp->m_sb.sb_rextents); + rtg_group(rtg)->xg_block_count = rtg->rtg_extents * mp->m_sb.sb_rextsize; xfs_rtgroup_rele(rtg); return 0; } @@ -223,7 +252,7 @@ xfs_rtgroup_get_geometry( /* Fill out form. */ memset(rgeo, 0, sizeof(*rgeo)); rgeo->rg_number = rtg_rgno(rtg); - rgeo->rg_length = rtg->rtg_extents * rtg_mount(rtg)->m_sb.sb_rextsize; + rgeo->rg_length = rtg_group(rtg)->xg_block_count; xfs_rtgroup_geom_health(rtg, rgeo); return 0; } diff --git a/fs/xfs/libxfs/xfs_rtgroup.h b/fs/xfs/libxfs/xfs_rtgroup.h index c15b232e1f8e77..1e51dc62d1143e 100644 --- a/fs/xfs/libxfs/xfs_rtgroup.h +++ b/fs/xfs/libxfs/xfs_rtgroup.h @@ -199,6 +199,9 @@ int xfs_initialize_rtgroups(struct xfs_mount *mp, xfs_rgnumber_t first_rgno, xfs_rtxnum_t __xfs_rtgroup_extents(struct xfs_mount *mp, xfs_rgnumber_t rgno, xfs_rgnumber_t rgcount, xfs_rtbxlen_t rextents); xfs_rtxnum_t xfs_rtgroup_extents(struct xfs_mount *mp, xfs_rgnumber_t rgno); +void xfs_rtgroup_calc_geometry(struct xfs_mount *mp, struct xfs_rtgroup *rtg, + xfs_rgnumber_t rgno, xfs_rgnumber_t rgcount, + xfs_rtbxlen_t rextents); int xfs_update_last_rtgroup_size(struct xfs_mount *mp, xfs_rgnumber_t prev_rgcount); diff --git a/fs/xfs/scrub/agheader.c b/fs/xfs/scrub/agheader.c index 05f5e94b99382b..d037de6dd821d2 100644 --- a/fs/xfs/scrub/agheader.c +++ b/fs/xfs/scrub/agheader.c @@ -564,7 +564,7 @@ xchk_agf( /* Check the AG length */ eoag = be32_to_cpu(agf->agf_length); - if (eoag != pag->block_count) + if (eoag != pag_group(pag)->xg_block_count) xchk_block_set_corrupt(sc, sc->sa.agf_bp); /* Check the AGF btree roots and levels */ @@ -944,7 +944,7 @@ xchk_agi( /* Check the AG length */ eoag = be32_to_cpu(agi->agi_length); - if (eoag != pag->block_count) + if (eoag != pag_group(pag)->xg_block_count) xchk_block_set_corrupt(sc, sc->sa.agi_bp); /* Check btree roots and levels */ diff --git a/fs/xfs/scrub/agheader_repair.c b/fs/xfs/scrub/agheader_repair.c index 0ea04d6e21cd83..0fad0baaba2f69 100644 --- a/fs/xfs/scrub/agheader_repair.c +++ b/fs/xfs/scrub/agheader_repair.c @@ -209,7 +209,7 @@ xrep_agf_init_header( agf->agf_magicnum = cpu_to_be32(XFS_AGF_MAGIC); agf->agf_versionnum = cpu_to_be32(XFS_AGF_VERSION); agf->agf_seqno = cpu_to_be32(pag_agno(pag)); - agf->agf_length = cpu_to_be32(pag->block_count); + agf->agf_length = cpu_to_be32(pag_group(pag)->xg_block_count); agf->agf_flfirst = old_agf->agf_flfirst; agf->agf_fllast = old_agf->agf_fllast; agf->agf_flcount = old_agf->agf_flcount; @@ -898,7 +898,7 @@ xrep_agi_init_header( agi->agi_magicnum = cpu_to_be32(XFS_AGI_MAGIC); agi->agi_versionnum = cpu_to_be32(XFS_AGI_VERSION); agi->agi_seqno = cpu_to_be32(pag_agno(pag)); - agi->agi_length = cpu_to_be32(pag->block_count); + agi->agi_length = cpu_to_be32(pag_group(pag)->xg_block_count); agi->agi_newino = cpu_to_be32(NULLAGINO); agi->agi_dirino = cpu_to_be32(NULLAGINO); if (xfs_has_crc(mp)) diff --git a/fs/xfs/scrub/repair.c b/fs/xfs/scrub/repair.c index 3fa009126170e6..91c8bc055a4fd7 100644 --- a/fs/xfs/scrub/repair.c +++ b/fs/xfs/scrub/repair.c @@ -306,7 +306,7 @@ xrep_calc_ag_resblks( /* Now grab the block counters from the AGF. */ error = xfs_alloc_read_agf(pag, NULL, 0, &bp); if (error) { - aglen = pag->block_count; + aglen = pag_group(pag)->xg_block_count; freelen = aglen; usedlen = aglen; } else { @@ -326,9 +326,9 @@ xrep_calc_ag_resblks( /* If the block counts are impossible, make worst-case assumptions. */ if (aglen == NULLAGBLOCK || - aglen != pag->block_count || + aglen != pag_group(pag)->xg_block_count || freelen >= aglen) { - aglen = pag->block_count; + aglen = pag_group(pag)->xg_block_count; freelen = aglen; usedlen = aglen; } diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c index e71bd64685f900..a7635962448911 100644 --- a/fs/xfs/xfs_discard.c +++ b/fs/xfs/xfs_discard.c @@ -337,7 +337,7 @@ xfs_trim_perag_extents( }; int error = 0; - if (start != 0 || end != pag->block_count) + if (start != 0 || end != pag_group(pag)->xg_block_count) tcur.by_bno = true; do { @@ -403,7 +403,7 @@ xfs_trim_datadev_extents( end_agbno = xfs_daddr_to_agbno(mp, ddev_end); while ((pag = xfs_perag_next_range(mp, pag, start_agno, end_agno))) { - xfs_agblock_t agend = pag->block_count; + xfs_agblock_t agend = pag_group(pag)->xg_block_count; if (pag_agno(pag) == end_agno) agend = end_agbno; diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index 42070587e856ef..8520d72afac0d9 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -878,7 +878,8 @@ xfs_growfs_rt_bmblock( if (!nmp) return -ENOMEM; - rtg->rtg_extents = xfs_rtgroup_extents(nmp, rtg_rgno(rtg)); + xfs_rtgroup_calc_geometry(nmp, rtg, rtg_rgno(rtg), + nmp->m_sb.sb_rgcount, nmp->m_sb.sb_rextents); /* * Recompute the growfsrt reservation from the new rsumsize, so that the @@ -1137,7 +1138,8 @@ xfs_growfs_rtg( /* * Reset rtg_extents to the old value if adding more blocks failed. */ - rtg->rtg_extents = xfs_rtgroup_extents(rtg_mount(rtg), rtg_rgno(rtg)); + xfs_rtgroup_calc_geometry(mp, rtg, rtg_rgno(rtg), mp->m_sb.sb_rgcount, + mp->m_sb.sb_rextents); if (old_rsum_cache) { kvfree(rtg->rtg_rsum_cache); rtg->rtg_rsum_cache = old_rsum_cache; @@ -1519,8 +1521,6 @@ xfs_rtmount_rtg( { int error, i; - rtg->rtg_extents = xfs_rtgroup_extents(mp, rtg_rgno(rtg)); - for (i = 0; i < XFS_RTGI_MAX; i++) { error = xfs_rtginode_load(rtg, i, tp); if (error)

[31/34] xfs: move the min and max group block numbers to xfs_group

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