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_ialloc_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_ialloc_btree.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_ialloc_btree.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c index 4ec8ea1331a5..6c4efdf01674 100644 --- a/fs/xfs/libxfs/xfs_ialloc_btree.c +++ b/fs/xfs/libxfs/xfs_ialloc_btree.c @@ -36,7 +36,7 @@ xfs_inobt_dup_cursor( { return xfs_inobt_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 @@ -429,6 +429,7 @@ xfs_inobt_init_common( struct xfs_mount *mp, /* file system mount point */ struct xfs_trans *tp, /* transaction pointer */ xfs_agnumber_t agno, /* allocation group number */ + struct xfs_perag *pag, xfs_btnum_t btnum) /* ialloc or free ino btree */ { struct xfs_btree_cur *cur; @@ -451,6 +452,11 @@ xfs_inobt_init_common( cur->bc_flags |= XFS_BTREE_CRC_BLOCKS; cur->bc_ag.agno = agno; + if (pag) { + /* take a reference for the cursor */ + atomic_inc(&pag->pag_ref); + } + cur->bc_ag.pag = pag; return cur; } @@ -461,12 +467,13 @@ xfs_inobt_init_cursor( struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno, + struct xfs_perag *pag, xfs_btnum_t btnum) { struct xfs_btree_cur *cur; struct xfs_agi *agi = agbp->b_addr; - cur = xfs_inobt_init_common(mp, tp, agno, btnum); + cur = xfs_inobt_init_common(mp, tp, agno, pag, btnum); if (btnum == XFS_BTNUM_INO) cur->bc_nlevels = be32_to_cpu(agi->agi_level); else @@ -485,7 +492,7 @@ xfs_inobt_stage_cursor( { struct xfs_btree_cur *cur; - cur = xfs_inobt_init_common(mp, NULL, agno, btnum); + cur = xfs_inobt_init_common(mp, NULL, agno, NULL, btnum); xfs_btree_stage_afakeroot(cur, afake); return cur; } @@ -672,7 +679,7 @@ xfs_inobt_cur( if (error) return error; - cur = xfs_inobt_init_cursor(mp, tp, *agi_bpp, agno, which); + cur = xfs_inobt_init_cursor(mp, tp, *agi_bpp, agno, NULL, which); *curpp = cur; return 0; } |