diff options
| author |   Dave Chinner <dchinner@redhat.com> | 2021-06-02 10:48:24 +1000 |
|---|---|---|
| committer |   Dave Chinner <david@fromorbit.com> | 2021-06-02 10:48:24 +1000 |
| commit | be9fb17d88f08af648a89784d30dbac83d893154 (patch) | |
| tree | 7609c3af495c79f3d2c183b1f9e9cfdc4cde38a8 /fs/xfs/libxfs/xfs_alloc_btree.c | |
| parent | xfs: pass perags around in fsmap data dev functions (diff) | |
| download | linux-dev-be9fb17d88f08af648a89784d30dbac83d893154.tar.xz linux-dev-be9fb17d88f08af648a89784d30dbac83d893154.zip | |
xfs: add a perag to the btree cursor
Which will eventually completely replace the agno in it.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_alloc_btree.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_alloc_btree.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c index 19fdf87e86b9..a52ab25bbf0b 100644 --- a/fs/xfs/libxfs/xfs_alloc_btree.c +++ b/fs/xfs/libxfs/xfs_alloc_btree.c @@ -27,7 +27,7 @@ xfs_allocbt_dup_cursor( { return xfs_allocbt_init_cursor(cur->bc_mp, cur->bc_tp, cur->bc_ag.agbp, cur->bc_ag.agno, - cur->bc_btnum); + cur->bc_ag.pag, cur->bc_btnum); } STATIC void @@ -473,6 +473,7 @@ xfs_allocbt_init_common( struct xfs_mount *mp, struct xfs_trans *tp, xfs_agnumber_t agno, + struct xfs_perag *pag, xfs_btnum_t btnum) { struct xfs_btree_cur *cur; @@ -497,6 +498,11 @@ xfs_allocbt_init_common( cur->bc_ag.agno = agno; cur->bc_ag.abt.active = false; + if (pag) { + /* take a reference for the cursor */ + atomic_inc(&pag->pag_ref); + } + cur->bc_ag.pag = pag; if (xfs_sb_version_hascrc(&mp->m_sb)) cur->bc_flags |= XFS_BTREE_CRC_BLOCKS; @@ -513,12 +519,13 @@ xfs_allocbt_init_cursor( 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, btnum); + cur = xfs_allocbt_init_common(mp, tp, agno, pag, btnum); if (btnum == XFS_BTNUM_CNT) cur->bc_nlevels = be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]); else @@ -539,7 +546,7 @@ xfs_allocbt_stage_cursor( { struct xfs_btree_cur *cur; - cur = xfs_allocbt_init_common(mp, NULL, agno, btnum); + cur = xfs_allocbt_init_common(mp, NULL, agno, NULL, btnum); xfs_btree_stage_afakeroot(cur, afake); return cur; } |