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xfs: store a generic xfs_group pointer in xfs_getfsmap_info

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Replace the pag and rtg pointers with a generic group pointer.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
This commit is contained in:
Christoph Hellwig 2024-11-03 20:18:45 -08:00 committed by Darrick J. Wong
parent 77a530e6c4
commit 198febb9fe
1 changed files with 14 additions and 12 deletions
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26
fs/xfs/xfs_fsmap.c
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@ -158,7 +158,7 @@ struct xfs_getfsmap_info {
struct xfs_fsmap_head *head;
struct fsmap *fsmap_recs; /* mapping records */
struct xfs_buf *agf_bp; /* AGF, for refcount queries */
struct xfs_perag *pag; /* AG info, if applicable */
struct xfs_group *group; /* group info, if applicable */
xfs_daddr_t next_daddr; /* next daddr we expect */
/* daddr of low fsmap key when we're using the rtbitmap */
xfs_daddr_t low_daddr;
@ -216,12 +216,13 @@ xfs_getfsmap_is_shared(
if (!xfs_has_reflink(mp))
return 0;
/* rt files will have no perag structure */
if (!info->pag)
if (!info->group)
return 0;
/* Are there any shared blocks here? */
flen = 0;
cur = xfs_refcountbt_init_cursor(mp, tp, info->agf_bp, info->pag);
cur = xfs_refcountbt_init_cursor(mp, tp, info->agf_bp,
to_perag(info->group));
error = xfs_refcount_find_shared(cur, rec->rm_startblock,
rec->rm_blockcount, &fbno, &flen, false);
@ -353,7 +354,8 @@ xfs_getfsmap_helper(
return -ECANCELED;
trace_xfs_fsmap_mapping(mp, info->dev,
info->pag ? pag_agno(info->pag) : NULLAGNUMBER, rec);
info->group ? info->group->xg_gno : NULLAGNUMBER,
rec);
fmr.fmr_device = info->dev;
fmr.fmr_physical = rec_daddr;
@ -519,7 +521,7 @@ __xfs_getfsmap_datadev(
* Set the AG high key from the fsmap high key if this
* is the last AG that we're querying.
*/
info->pag = pag;
info->group = pag_group(pag);
if (pag_agno(pag) == end_ag) {
info->high.rm_startblock = XFS_FSB_TO_AGBNO(mp,
end_fsb);
@ -569,7 +571,7 @@ __xfs_getfsmap_datadev(
if (error)
break;
}
info->pag = NULL;
info->group = NULL;
}
if (bt_cur)
@ -579,9 +581,9 @@ __xfs_getfsmap_datadev(
xfs_trans_brelse(tp, info->agf_bp);
info->agf_bp = NULL;
}
if (info->pag) {
xfs_perag_rele(info->pag);
info->pag = NULL;
if (info->group) {
xfs_perag_rele(pag);
info->group = NULL;
} else if (pag) {
/* loop termination case */
xfs_perag_rele(pag);
@ -604,7 +606,7 @@ xfs_getfsmap_datadev_rmapbt_query(
/* Allocate cursor for this AG and query_range it. */
*curpp = xfs_rmapbt_init_cursor(tp->t_mountp, tp, info->agf_bp,
info->pag);
to_perag(info->group));
return xfs_rmap_query_range(*curpp, &info->low, &info->high,
xfs_getfsmap_datadev_helper, info);
}
@ -637,7 +639,7 @@ xfs_getfsmap_datadev_bnobt_query(
/* Allocate cursor for this AG and query_range it. */
*curpp = xfs_bnobt_init_cursor(tp->t_mountp, tp, info->agf_bp,
info->pag);
to_perag(info->group));
key->ar_startblock = info->low.rm_startblock;
key[1].ar_startblock = info->high.rm_startblock;
return xfs_alloc_query_range(*curpp, key, &key[1],
@ -997,7 +999,7 @@ xfs_getfsmap(
info.dev = handlers[i].dev;
info.last = false;
info.pag = NULL;
info.group = NULL;
info.low_daddr = XFS_BUF_DADDR_NULL;
info.low.rm_blockcount = 0;
error = handlers[i].fn(tp, dkeys, &info);