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xfs: fold xfs_inobt_init_common into xfs_inobt_init_cursor

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Make the levels initialization in xfs_inobt_init_cursor conditional
and merge the two helpers.

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 2024-02-22 12:39:38 -08:00 committed by Darrick J. Wong
parent 91796b2eef
commit f6c98d921a
1 changed files with 15 additions and 24 deletions
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39
fs/xfs/libxfs/xfs_ialloc_btree.c
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@ -455,12 +455,15 @@ const struct xfs_btree_ops xfs_finobt_ops = {
};
/*
* Initialize a new inode btree cursor.
* Create an inode btree cursor.
*
* For staging cursors tp and agbp are NULL.
*/
static struct xfs_btree_cur *
xfs_inobt_init_common(
struct xfs_btree_cur *
xfs_inobt_init_cursor(
struct xfs_perag *pag,
struct xfs_trans *tp, /* transaction pointer */
struct xfs_trans *tp,
struct xfs_buf *agbp,
xfs_btnum_t btnum) /* ialloc or free ino btree */
{
struct xfs_mount *mp = pag->pag_mount;
@ -475,26 +478,14 @@ xfs_inobt_init_common(
cur = xfs_btree_alloc_cursor(mp, tp, btnum, ops,
M_IGEO(mp)->inobt_maxlevels, xfs_inobt_cur_cache);
cur->bc_ag.pag = xfs_perag_hold(pag);
return cur;
}
/* Create an inode btree cursor. */
struct xfs_btree_cur *
xfs_inobt_init_cursor(
struct xfs_perag *pag,
struct xfs_trans *tp,
struct xfs_buf *agbp,
xfs_btnum_t btnum)
{
struct xfs_btree_cur *cur;
struct xfs_agi *agi = agbp->b_addr;
cur = xfs_inobt_init_common(pag, tp, btnum);
if (btnum == XFS_BTNUM_INO)
cur->bc_nlevels = be32_to_cpu(agi->agi_level);
else
cur->bc_nlevels = be32_to_cpu(agi->agi_free_level);
cur->bc_ag.agbp = agbp;
if (agbp) {
struct xfs_agi *agi = agbp->b_addr;
cur->bc_nlevels = (btnum == XFS_BTNUM_INO) ?
be32_to_cpu(agi->agi_level) :
be32_to_cpu(agi->agi_free_level);
}
return cur;
}
@ -507,7 +498,7 @@ xfs_inobt_stage_cursor(
{
struct xfs_btree_cur *cur;
cur = xfs_inobt_init_common(pag, NULL, btnum);
cur = xfs_inobt_init_cursor(pag, NULL, NULL, btnum);
xfs_btree_stage_afakeroot(cur, afake);
return cur;
}