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_refcount_btree.c | |
| parent | 58d43a7e3263766ade4974c86118e6b5737ea259 (diff) | |
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_refcount_btree.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_refcount_btree.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/fs/xfs/libxfs/xfs_refcount_btree.c b/fs/xfs/libxfs/xfs_refcount_btree.c index c4ddf9ded00b..74f8ac0209f1 100644 --- a/fs/xfs/libxfs/xfs_refcount_btree.c +++ b/fs/xfs/libxfs/xfs_refcount_btree.c @@ -26,7 +26,7 @@ xfs_refcountbt_dup_cursor( struct xfs_btree_cur *cur) { return xfs_refcountbt_init_cursor(cur->bc_mp, cur->bc_tp, - cur->bc_ag.agbp, cur->bc_ag.agno); + cur->bc_ag.agbp, cur->bc_ag.agno, cur->bc_ag.pag); } STATIC void @@ -316,7 +316,8 @@ static struct xfs_btree_cur * xfs_refcountbt_init_common( struct xfs_mount *mp, struct xfs_trans *tp, - xfs_agnumber_t agno) + xfs_agnumber_t agno, + struct xfs_perag *pag) { struct xfs_btree_cur *cur; @@ -332,6 +333,11 @@ xfs_refcountbt_init_common( cur->bc_ag.agno = agno; cur->bc_flags |= XFS_BTREE_CRC_BLOCKS; + if (pag) { + /* take a reference for the cursor */ + atomic_inc(&pag->pag_ref); + } + cur->bc_ag.pag = pag; cur->bc_ag.refc.nr_ops = 0; cur->bc_ag.refc.shape_changes = 0; @@ -345,12 +351,13 @@ xfs_refcountbt_init_cursor( struct xfs_mount *mp, struct xfs_trans *tp, struct xfs_buf *agbp, - xfs_agnumber_t agno) + xfs_agnumber_t agno, + struct xfs_perag *pag) { struct xfs_agf *agf = agbp->b_addr; struct xfs_btree_cur *cur; - cur = xfs_refcountbt_init_common(mp, tp, agno); + cur = xfs_refcountbt_init_common(mp, tp, agno, pag); cur->bc_nlevels = be32_to_cpu(agf->agf_refcount_level); cur->bc_ag.agbp = agbp; return cur; @@ -365,7 +372,7 @@ xfs_refcountbt_stage_cursor( { struct xfs_btree_cur *cur; - cur = xfs_refcountbt_init_common(mp, NULL, agno); + cur = xfs_refcountbt_init_common(mp, NULL, agno, NULL); xfs_btree_stage_afakeroot(cur, afake); return cur; } |