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| author | Christoph Hellwig <hch@lst.de> | 2024-02-22 12:40:49 -0800 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2024-02-22 12:40:49 -0800 |
| commit | 14dd46cf31f4aaffcf26b00de9af39d01ec8d547 (patch) | |
| tree | 314d1ddce16d20476e80b49ac9557382090bdbd9 /fs/xfs/libxfs/xfs_ialloc_btree.c | |
| parent | 8541a7d9da2dd6e44f401f2363b21749b7413fc9 (diff) | |
| download | linux-14dd46cf31f4aaffcf26b00de9af39d01ec8d547.tar.gz linux-14dd46cf31f4aaffcf26b00de9af39d01ec8d547.tar.bz2 linux-14dd46cf31f4aaffcf26b00de9af39d01ec8d547.zip | |
xfs: split xfs_inobt_init_cursor
Split xfs_inobt_init_cursor into separate routines for the inobt and
finobt to prepare for the removal of the xfs_btnum global enumeration
of btree types.
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>
Diffstat (limited to 'fs/xfs/libxfs/xfs_ialloc_btree.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_ialloc_btree.c | 51 |
1 files changed, 38 insertions, 13 deletions
diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c index c920aee4a7da..9cb5da9be904 100644 --- a/fs/xfs/libxfs/xfs_ialloc_btree.c +++ b/fs/xfs/libxfs/xfs_ialloc_btree.c @@ -38,7 +38,15 @@ xfs_inobt_dup_cursor( struct xfs_btree_cur *cur) { return xfs_inobt_init_cursor(cur->bc_ag.pag, cur->bc_tp, - cur->bc_ag.agbp, cur->bc_btnum); + cur->bc_ag.agbp); +} + +STATIC struct xfs_btree_cur * +xfs_finobt_dup_cursor( + struct xfs_btree_cur *cur) +{ + return xfs_finobt_init_cursor(cur->bc_ag.pag, cur->bc_tp, + cur->bc_ag.agbp); } STATIC void @@ -441,7 +449,7 @@ const struct xfs_btree_ops xfs_finobt_ops = { .statoff = XFS_STATS_CALC_INDEX(xs_fibt_2), .sick_mask = XFS_SICK_AG_FINOBT, - .dup_cursor = xfs_inobt_dup_cursor, + .dup_cursor = xfs_finobt_dup_cursor, .set_root = xfs_finobt_set_root, .alloc_block = xfs_finobt_alloc_block, .free_block = xfs_finobt_free_block, @@ -468,28 +476,45 @@ struct xfs_btree_cur * xfs_inobt_init_cursor( struct xfs_perag *pag, struct xfs_trans *tp, - struct xfs_buf *agbp, - xfs_btnum_t btnum) /* ialloc or free ino btree */ + struct xfs_buf *agbp) { struct xfs_mount *mp = pag->pag_mount; - const struct xfs_btree_ops *ops = &xfs_inobt_ops; struct xfs_btree_cur *cur; - ASSERT(btnum == XFS_BTNUM_INO || btnum == XFS_BTNUM_FINO); + cur = xfs_btree_alloc_cursor(mp, tp, XFS_BTNUM_INO, &xfs_inobt_ops, + M_IGEO(mp)->inobt_maxlevels, xfs_inobt_cur_cache); + cur->bc_ag.pag = xfs_perag_hold(pag); + cur->bc_ag.agbp = agbp; + if (agbp) { + struct xfs_agi *agi = agbp->b_addr; - if (btnum == XFS_BTNUM_FINO) - ops = &xfs_finobt_ops; + cur->bc_nlevels = be32_to_cpu(agi->agi_level); + } + return cur; +} + +/* + * Create a free inode btree cursor. + * + * For staging cursors tp and agbp are NULL. + */ +struct xfs_btree_cur * +xfs_finobt_init_cursor( + struct xfs_perag *pag, + struct xfs_trans *tp, + struct xfs_buf *agbp) +{ + struct xfs_mount *mp = pag->pag_mount; + struct xfs_btree_cur *cur; - cur = xfs_btree_alloc_cursor(mp, tp, btnum, ops, + cur = xfs_btree_alloc_cursor(mp, tp, XFS_BTNUM_FINO, &xfs_finobt_ops, M_IGEO(mp)->inobt_maxlevels, xfs_inobt_cur_cache); cur->bc_ag.pag = xfs_perag_hold(pag); 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); + cur->bc_nlevels = be32_to_cpu(agi->agi_free_level); } return cur; } @@ -724,7 +749,7 @@ xfs_finobt_count_blocks( if (error) return error; - cur = xfs_inobt_init_cursor(pag, tp, agbp, XFS_BTNUM_FINO); + cur = xfs_inobt_init_cursor(pag, tp, agbp); error = xfs_btree_count_blocks(cur, tree_blocks); xfs_btree_del_cursor(cur, error); xfs_trans_brelse(tp, agbp); |