From: Brian Foster <bfoster@redhat.com>
To: Dave Chinner <david@fromorbit.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH 14/22] xfs: convert allocbt cursors to use perags
Date: Tue, 11 May 2021 08:30:42 -0400 [thread overview]
Message-ID: <YJp48iO6YHX5G8x3@bfoster> (raw)
In-Reply-To: <20210506072054.271157-15-david@fromorbit.com>
On Thu, May 06, 2021 at 05:20:46PM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner@redhat.com>
>
> Signed-off-by: Dave Chinner <dchinner@redhat.com>
> ---
Reviewed-by: Brian Foster <bfoster@redhat.com>
> fs/xfs/libxfs/xfs_alloc.c | 25 ++++++++++---------------
> fs/xfs/libxfs/xfs_alloc_btree.c | 26 ++++++++++----------------
> fs/xfs/libxfs/xfs_alloc_btree.h | 8 ++++----
> fs/xfs/scrub/agheader_repair.c | 8 ++++----
> fs/xfs/scrub/common.c | 4 ++--
> fs/xfs/xfs_discard.c | 2 +-
> fs/xfs/xfs_fsmap.c | 2 +-
> 7 files changed, 32 insertions(+), 43 deletions(-)
>
> diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
> index 10747cc4d8f6..c99a80286efa 100644
> --- a/fs/xfs/libxfs/xfs_alloc.c
> +++ b/fs/xfs/libxfs/xfs_alloc.c
> @@ -776,8 +776,7 @@ xfs_alloc_cur_setup(
> */
> if (!acur->cnt)
> acur->cnt = xfs_allocbt_init_cursor(args->mp, args->tp,
> - args->agbp, args->agno,
> - args->pag, XFS_BTNUM_CNT);
> + args->agbp, args->pag, XFS_BTNUM_CNT);
> error = xfs_alloc_lookup_ge(acur->cnt, 0, args->maxlen, &i);
> if (error)
> return error;
> @@ -787,12 +786,10 @@ xfs_alloc_cur_setup(
> */
> if (!acur->bnolt)
> acur->bnolt = xfs_allocbt_init_cursor(args->mp, args->tp,
> - args->agbp, args->agno,
> - args->pag, XFS_BTNUM_BNO);
> + args->agbp, args->pag, XFS_BTNUM_BNO);
> if (!acur->bnogt)
> acur->bnogt = xfs_allocbt_init_cursor(args->mp, args->tp,
> - args->agbp, args->agno,
> - args->pag, XFS_BTNUM_BNO);
> + args->agbp, args->pag, XFS_BTNUM_BNO);
> return i == 1 ? 0 : -ENOSPC;
> }
>
> @@ -1220,7 +1217,7 @@ xfs_alloc_ag_vextent_exact(
> * Allocate/initialize a cursor for the by-number freespace btree.
> */
> bno_cur = xfs_allocbt_init_cursor(args->mp, args->tp, args->agbp,
> - args->agno, args->pag, XFS_BTNUM_BNO);
> + args->pag, XFS_BTNUM_BNO);
>
> /*
> * Lookup bno and minlen in the btree (minlen is irrelevant, really).
> @@ -1280,7 +1277,7 @@ xfs_alloc_ag_vextent_exact(
> * Allocate/initialize a cursor for the by-size btree.
> */
> cnt_cur = xfs_allocbt_init_cursor(args->mp, args->tp, args->agbp,
> - args->agno, args->pag, XFS_BTNUM_CNT);
> + args->pag, XFS_BTNUM_CNT);
> ASSERT(args->agbno + args->len <= be32_to_cpu(agf->agf_length));
> error = xfs_alloc_fixup_trees(cnt_cur, bno_cur, fbno, flen, args->agbno,
> args->len, XFSA_FIXUP_BNO_OK);
> @@ -1677,7 +1674,7 @@ xfs_alloc_ag_vextent_size(
> * Allocate and initialize a cursor for the by-size btree.
> */
> cnt_cur = xfs_allocbt_init_cursor(args->mp, args->tp, args->agbp,
> - args->agno, args->pag, XFS_BTNUM_CNT);
> + args->pag, XFS_BTNUM_CNT);
> bno_cur = NULL;
> busy = false;
>
> @@ -1840,7 +1837,7 @@ xfs_alloc_ag_vextent_size(
> * Allocate and initialize a cursor for the by-block tree.
> */
> bno_cur = xfs_allocbt_init_cursor(args->mp, args->tp, args->agbp,
> - args->agno, args->pag, XFS_BTNUM_BNO);
> + args->pag, XFS_BTNUM_BNO);
> if ((error = xfs_alloc_fixup_trees(cnt_cur, bno_cur, fbno, flen,
> rbno, rlen, XFSA_FIXUP_CNT_OK)))
> goto error0;
> @@ -1913,8 +1910,7 @@ xfs_free_ag_extent(
> /*
> * Allocate and initialize a cursor for the by-block btree.
> */
> - bno_cur = xfs_allocbt_init_cursor(mp, tp, agbp, agno,
> - NULL, XFS_BTNUM_BNO);
> + bno_cur = xfs_allocbt_init_cursor(mp, tp, agbp, pag, XFS_BTNUM_BNO);
> /*
> * Look for a neighboring block on the left (lower block numbers)
> * that is contiguous with this space.
> @@ -1984,8 +1980,7 @@ xfs_free_ag_extent(
> /*
> * Now allocate and initialize a cursor for the by-size tree.
> */
> - cnt_cur = xfs_allocbt_init_cursor(mp, tp, agbp, agno,
> - NULL, XFS_BTNUM_CNT);
> + cnt_cur = xfs_allocbt_init_cursor(mp, tp, agbp, pag, XFS_BTNUM_CNT);
> /*
> * Have both left and right contiguous neighbors.
> * Merge all three into a single free block.
> @@ -2496,7 +2491,7 @@ xfs_exact_minlen_extent_available(
> int error = 0;
>
> cnt_cur = xfs_allocbt_init_cursor(args->mp, args->tp, agbp,
> - args->agno, args->pag, XFS_BTNUM_CNT);
> + args->pag, XFS_BTNUM_CNT);
> error = xfs_alloc_lookup_ge(cnt_cur, 0, args->minlen, stat);
> if (error)
> goto out;
> diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c
> index a52ab25bbf0b..0c2e4cff4ee3 100644
> --- a/fs/xfs/libxfs/xfs_alloc_btree.c
> +++ b/fs/xfs/libxfs/xfs_alloc_btree.c
> @@ -26,8 +26,7 @@ xfs_allocbt_dup_cursor(
> struct xfs_btree_cur *cur)
> {
> return xfs_allocbt_init_cursor(cur->bc_mp, cur->bc_tp,
> - cur->bc_ag.agbp, cur->bc_ag.agno,
> - cur->bc_ag.pag, cur->bc_btnum);
> + cur->bc_ag.agbp, cur->bc_ag.pag, cur->bc_btnum);
> }
>
> STATIC void
> @@ -39,13 +38,12 @@ xfs_allocbt_set_root(
> struct xfs_buf *agbp = cur->bc_ag.agbp;
> struct xfs_agf *agf = agbp->b_addr;
> int btnum = cur->bc_btnum;
> - struct xfs_perag *pag = agbp->b_pag;
>
> ASSERT(ptr->s != 0);
>
> agf->agf_roots[btnum] = ptr->s;
> be32_add_cpu(&agf->agf_levels[btnum], inc);
> - pag->pagf_levels[btnum] += inc;
> + cur->bc_ag.pag->pagf_levels[btnum] += inc;
>
> xfs_alloc_log_agf(cur->bc_tp, agbp, XFS_AGF_ROOTS | XFS_AGF_LEVELS);
> }
> @@ -224,7 +222,7 @@ xfs_allocbt_init_ptr_from_cur(
> {
> struct xfs_agf *agf = cur->bc_ag.agbp->b_addr;
>
> - ASSERT(cur->bc_ag.agno == be32_to_cpu(agf->agf_seqno));
> + ASSERT(cur->bc_ag.pag->pag_agno == be32_to_cpu(agf->agf_seqno));
>
> ptr->s = agf->agf_roots[cur->bc_btnum];
> }
> @@ -472,7 +470,6 @@ STATIC struct xfs_btree_cur *
> xfs_allocbt_init_common(
> struct xfs_mount *mp,
> struct xfs_trans *tp,
> - xfs_agnumber_t agno,
> struct xfs_perag *pag,
> xfs_btnum_t btnum)
> {
> @@ -486,6 +483,7 @@ xfs_allocbt_init_common(
> cur->bc_mp = mp;
> cur->bc_btnum = btnum;
> cur->bc_blocklog = mp->m_sb.sb_blocklog;
> + cur->bc_ag.abt.active = false;
>
> if (btnum == XFS_BTNUM_CNT) {
> cur->bc_ops = &xfs_cntbt_ops;
> @@ -496,13 +494,10 @@ xfs_allocbt_init_common(
> cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_abtb_2);
> }
>
> - cur->bc_ag.agno = agno;
> - cur->bc_ag.abt.active = false;
> - if (pag) {
> - /* take a reference for the cursor */
> - atomic_inc(&pag->pag_ref);
> - }
> + /* take a reference for the cursor */
> + atomic_inc(&pag->pag_ref);
> cur->bc_ag.pag = pag;
> + cur->bc_ag.agno = pag->pag_agno;
>
> if (xfs_sb_version_hascrc(&mp->m_sb))
> cur->bc_flags |= XFS_BTREE_CRC_BLOCKS;
> @@ -518,14 +513,13 @@ xfs_allocbt_init_cursor(
> struct xfs_mount *mp, /* file system mount point */
> struct xfs_trans *tp, /* transaction pointer */
> struct xfs_buf *agbp, /* buffer for agf structure */
> - xfs_agnumber_t agno, /* allocation group number */
> struct xfs_perag *pag,
> xfs_btnum_t btnum) /* btree identifier */
> {
> struct xfs_agf *agf = agbp->b_addr;
> struct xfs_btree_cur *cur;
>
> - cur = xfs_allocbt_init_common(mp, tp, agno, pag, btnum);
> + cur = xfs_allocbt_init_common(mp, tp, pag, btnum);
> if (btnum == XFS_BTNUM_CNT)
> cur->bc_nlevels = be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]);
> else
> @@ -541,12 +535,12 @@ struct xfs_btree_cur *
> xfs_allocbt_stage_cursor(
> struct xfs_mount *mp,
> struct xbtree_afakeroot *afake,
> - xfs_agnumber_t agno,
> + struct xfs_perag *pag,
> xfs_btnum_t btnum)
> {
> struct xfs_btree_cur *cur;
>
> - cur = xfs_allocbt_init_common(mp, NULL, agno, NULL, btnum);
> + cur = xfs_allocbt_init_common(mp, NULL, pag, btnum);
> xfs_btree_stage_afakeroot(cur, afake);
> return cur;
> }
> diff --git a/fs/xfs/libxfs/xfs_alloc_btree.h b/fs/xfs/libxfs/xfs_alloc_btree.h
> index a10cedba18d8..9eb4c667a6b8 100644
> --- a/fs/xfs/libxfs/xfs_alloc_btree.h
> +++ b/fs/xfs/libxfs/xfs_alloc_btree.h
> @@ -47,11 +47,11 @@ struct xbtree_afakeroot;
> (maxrecs) * sizeof(xfs_alloc_key_t) + \
> ((index) - 1) * sizeof(xfs_alloc_ptr_t)))
>
> -extern struct xfs_btree_cur *xfs_allocbt_init_cursor(struct xfs_mount *,
> - struct xfs_trans *, struct xfs_buf *,
> - xfs_agnumber_t, struct xfs_perag *pag, xfs_btnum_t);
> +extern struct xfs_btree_cur *xfs_allocbt_init_cursor(struct xfs_mount *mp,
> + struct xfs_trans *tp, struct xfs_buf *bp,
> + struct xfs_perag *pag, xfs_btnum_t btnum);
> struct xfs_btree_cur *xfs_allocbt_stage_cursor(struct xfs_mount *mp,
> - struct xbtree_afakeroot *afake, xfs_agnumber_t agno,
> + struct xbtree_afakeroot *afake, struct xfs_perag *pag,
> xfs_btnum_t btnum);
> extern int xfs_allocbt_maxrecs(struct xfs_mount *, int, int);
> extern xfs_extlen_t xfs_allocbt_calc_size(struct xfs_mount *mp,
> diff --git a/fs/xfs/scrub/agheader_repair.c b/fs/xfs/scrub/agheader_repair.c
> index 251410c19198..ee2d85e3fd4a 100644
> --- a/fs/xfs/scrub/agheader_repair.c
> +++ b/fs/xfs/scrub/agheader_repair.c
> @@ -246,7 +246,7 @@ xrep_agf_calc_from_btrees(
> int error;
>
> /* Update the AGF counters from the bnobt. */
> - cur = xfs_allocbt_init_cursor(mp, sc->tp, agf_bp, sc->sa.agno,
> + cur = xfs_allocbt_init_cursor(mp, sc->tp, agf_bp,
> sc->sa.pag, XFS_BTNUM_BNO);
> error = xfs_alloc_query_all(cur, xrep_agf_walk_allocbt, &raa);
> if (error)
> @@ -260,7 +260,7 @@ xrep_agf_calc_from_btrees(
> agf->agf_longest = cpu_to_be32(raa.longest);
>
> /* Update the AGF counters from the cntbt. */
> - cur = xfs_allocbt_init_cursor(mp, sc->tp, agf_bp, sc->sa.agno,
> + cur = xfs_allocbt_init_cursor(mp, sc->tp, agf_bp,
> sc->sa.pag, XFS_BTNUM_CNT);
> error = xfs_btree_count_blocks(cur, &blocks);
> if (error)
> @@ -497,7 +497,7 @@ xrep_agfl_collect_blocks(
> xfs_btree_del_cursor(cur, error);
>
> /* Find all blocks currently being used by the bnobt. */
> - cur = xfs_allocbt_init_cursor(mp, sc->tp, agf_bp, sc->sa.agno,
> + cur = xfs_allocbt_init_cursor(mp, sc->tp, agf_bp,
> sc->sa.pag, XFS_BTNUM_BNO);
> error = xbitmap_set_btblocks(&ra.agmetablocks, cur);
> if (error)
> @@ -505,7 +505,7 @@ xrep_agfl_collect_blocks(
> xfs_btree_del_cursor(cur, error);
>
> /* Find all blocks currently being used by the cntbt. */
> - cur = xfs_allocbt_init_cursor(mp, sc->tp, agf_bp, sc->sa.agno,
> + cur = xfs_allocbt_init_cursor(mp, sc->tp, agf_bp,
> sc->sa.pag, XFS_BTNUM_CNT);
> error = xbitmap_set_btblocks(&ra.agmetablocks, cur);
> if (error)
> diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c
> index cc7688ce79b2..3035f8cee6f6 100644
> --- a/fs/xfs/scrub/common.c
> +++ b/fs/xfs/scrub/common.c
> @@ -465,14 +465,14 @@ xchk_ag_btcur_init(
> xchk_ag_btree_healthy_enough(sc, sa->pag, XFS_BTNUM_BNO)) {
> /* Set up a bnobt cursor for cross-referencing. */
> sa->bno_cur = xfs_allocbt_init_cursor(mp, sc->tp, sa->agf_bp,
> - agno, sa->pag, XFS_BTNUM_BNO);
> + sa->pag, XFS_BTNUM_BNO);
> }
>
> if (sa->agf_bp &&
> xchk_ag_btree_healthy_enough(sc, sa->pag, XFS_BTNUM_CNT)) {
> /* Set up a cntbt cursor for cross-referencing. */
> sa->cnt_cur = xfs_allocbt_init_cursor(mp, sc->tp, sa->agf_bp,
> - agno, sa->pag, XFS_BTNUM_CNT);
> + sa->pag, XFS_BTNUM_CNT);
> }
>
> /* Set up a inobt cursor for cross-referencing. */
> diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c
> index 311ebaad4f5a..736df5660f1f 100644
> --- a/fs/xfs/xfs_discard.c
> +++ b/fs/xfs/xfs_discard.c
> @@ -50,7 +50,7 @@ xfs_trim_extents(
> goto out_put_perag;
> agf = agbp->b_addr;
>
> - cur = xfs_allocbt_init_cursor(mp, NULL, agbp, agno, pag, XFS_BTNUM_CNT);
> + cur = xfs_allocbt_init_cursor(mp, NULL, agbp, pag, XFS_BTNUM_CNT);
>
> /*
> * Look up the longest btree in the AGF and start with it.
> diff --git a/fs/xfs/xfs_fsmap.c b/fs/xfs/xfs_fsmap.c
> index 623cabaeafee..7501dd941a63 100644
> --- a/fs/xfs/xfs_fsmap.c
> +++ b/fs/xfs/xfs_fsmap.c
> @@ -740,7 +740,7 @@ xfs_getfsmap_datadev_bnobt_query(
>
> /* Allocate cursor for this AG and query_range it. */
> *curpp = xfs_allocbt_init_cursor(tp->t_mountp, tp, info->agf_bp,
> - info->pag->pag_agno, info->pag, XFS_BTNUM_BNO);
> + info->pag, XFS_BTNUM_BNO);
> key->ar_startblock = info->low.rm_startblock;
> key[1].ar_startblock = info->high.rm_startblock;
> return xfs_alloc_query_range(*curpp, key, &key[1],
> --
> 2.31.1
>
next prev parent reply other threads:[~2021-05-11 12:30 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-06 7:20 [RFC 00/22] xfs: initial agnumber -> perag conversions for shrink Dave Chinner
2021-05-06 7:20 ` [PATCH 01/22] xfs: move xfs_perag_get/put to xfs_ag.[ch] Dave Chinner
2021-05-10 12:52 ` Brian Foster
2021-05-11 7:18 ` Dave Chinner
2021-05-10 22:28 ` Darrick J. Wong
2021-05-06 7:20 ` [PATCH 02/22] xfs: prepare for moving perag definitions and support to libxfs Dave Chinner
2021-05-10 12:53 ` Brian Foster
2021-05-11 7:19 ` Dave Chinner
2021-05-06 7:20 ` [PATCH 03/22] xfs: move perag structure and setup to libxfs/xfs_ag.[ch] Dave Chinner
2021-05-10 22:26 ` Darrick J. Wong
2021-05-10 23:38 ` Dave Chinner
2021-05-06 7:20 ` [PATCH 04/22] xfs: make for_each_perag... a first class citizen Dave Chinner
2021-05-10 12:53 ` Brian Foster
2021-05-11 7:35 ` Dave Chinner
2021-05-11 12:29 ` Brian Foster
2021-05-11 21:33 ` Dave Chinner
2021-05-12 21:58 ` Darrick J. Wong
2021-05-06 7:20 ` [PATCH 05/22] xfs: convert raw ag walks to use for_each_perag Dave Chinner
2021-05-10 12:54 ` Brian Foster
2021-05-06 7:20 ` [PATCH 06/22] xfs: convert xfs_iwalk to use perag references Dave Chinner
2021-05-10 13:41 ` Brian Foster
2021-05-12 22:08 ` Darrick J. Wong
2021-05-06 7:20 ` [PATCH 07/22] xfs: convert secondary superblock walk to use perags Dave Chinner
2021-05-10 13:41 ` Brian Foster
2021-05-12 22:09 ` Darrick J. Wong
2021-05-06 7:20 ` [PATCH 08/22] xfs: pass perags through to the busy extent code Dave Chinner
2021-05-11 12:29 ` Brian Foster
2021-05-12 22:13 ` Darrick J. Wong
2021-05-06 7:20 ` [PATCH 09/22] xfs: push perags through the ag reservation callouts Dave Chinner
2021-05-11 12:29 ` Brian Foster
2021-05-13 0:29 ` Dave Chinner
2021-05-12 22:16 ` Darrick J. Wong
2021-05-06 7:20 ` [PATCH 10/22] xfs: pass perags around in fsmap data dev functions Dave Chinner
2021-05-11 12:30 ` Brian Foster
2021-05-12 22:23 ` Darrick J. Wong
2021-05-18 1:00 ` Dave Chinner
2021-05-06 7:20 ` [PATCH 11/22] xfs: add a perag to the btree cursor Dave Chinner
2021-05-11 12:30 ` Brian Foster
2021-05-11 20:51 ` Darrick J. Wong
2021-05-11 21:52 ` Dave Chinner
2021-05-12 12:49 ` Brian Foster
2021-05-12 22:41 ` Darrick J. Wong
2021-05-12 22:40 ` Darrick J. Wong
2021-05-13 0:12 ` Dave Chinner
2021-05-13 0:55 ` Darrick J. Wong
2021-05-13 1:07 ` Dave Chinner
2021-05-13 3:49 ` Darrick J. Wong
2021-05-06 7:20 ` [PATCH 12/22] xfs: convert rmap btree cursor to using a perag Dave Chinner
2021-05-11 12:30 ` Brian Foster
2021-05-12 22:45 ` Darrick J. Wong
2021-05-13 3:54 ` Darrick J. Wong
2021-05-06 7:20 ` [PATCH 13/22] xfs: convert refcount btree cursor to use perags Dave Chinner
2021-05-11 12:30 ` Brian Foster
2021-05-12 22:47 ` Darrick J. Wong
2021-05-06 7:20 ` [PATCH 14/22] xfs: convert allocbt cursors " Dave Chinner
2021-05-11 12:30 ` Brian Foster [this message]
2021-05-13 3:55 ` Darrick J. Wong
2021-05-06 7:20 ` [PATCH 15/22] xfs: use perag for ialloc btree cursors Dave Chinner
2021-05-11 12:30 ` Brian Foster
2021-05-13 3:55 ` Darrick J. Wong
2021-05-06 7:20 ` [PATCH 16/22] xfs: remove agno from btree cursor Dave Chinner
2021-05-11 12:34 ` Brian Foster
2021-05-11 22:02 ` Dave Chinner
2021-05-12 22:52 ` Darrick J. Wong
2021-05-06 7:20 ` [PATCH 17/22] xfs: simplify xfs_dialloc_select_ag() return values Dave Chinner
2021-05-12 12:49 ` Brian Foster
2021-05-12 22:55 ` Darrick J. Wong
2021-05-06 7:20 ` [PATCH 18/22] xfs: collapse AG selection for inode allocation Dave Chinner
2021-05-12 12:52 ` Brian Foster
2021-05-18 1:21 ` Dave Chinner
2021-05-12 23:11 ` Darrick J. Wong
2021-05-18 1:29 ` Dave Chinner
2021-05-06 7:20 ` [PATCH 19/22] xfs: get rid of xfs_dir_ialloc() Dave Chinner
2021-05-06 11:26 ` kernel test robot
2021-05-06 11:26 ` kernel test robot
2021-05-06 11:26 ` [RFC PATCH] xfs: xfs_dialloc_ag can be static kernel test robot
2021-05-06 11:26 ` kernel test robot
2021-05-12 12:52 ` [PATCH 19/22] xfs: get rid of xfs_dir_ialloc() Brian Foster
2021-05-12 23:19 ` Darrick J. Wong
2021-05-06 7:20 ` [PATCH 20/22] xfs: inode allocation can use a single perag instance Dave Chinner
2021-05-12 12:52 ` Brian Foster
2021-05-12 23:19 ` Darrick J. Wong
2021-05-06 7:20 ` [PATCH 21/22] xfs: clean up and simplify xfs_dialloc() Dave Chinner
2021-05-12 21:49 ` Darrick J. Wong
2021-05-18 1:46 ` Dave Chinner
2021-05-06 7:20 ` [PATCH 22/22] xfs: use perag through unlink processing Dave Chinner
2021-05-12 21:37 ` Darrick J. Wong
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