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xfs: refactor xfs_ialloc_btree.c to support multiple inobt numbers

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The introduction of the free inode btree (finobt) requires that
xfs_ialloc_btree.c handle multiple trees. Refactor xfs_ialloc_btree.c
so the caller specifies the btree type on cursor initialization to
prepare for addition of the finobt.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <david@fromorbit.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Brian Foster
2014-04-24 16:00:50 +10:00
committed by Dave Chinner
parent c9eaa447e7
commit 57bd3dbe40
4 changed files with 15 additions and 10 deletions
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8
fs/xfs/xfs_ialloc_btree.c
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@@ -49,7 +49,8 @@ xfs_inobt_dup_cursor(
struct xfs_btree_cur *cur)
{
return xfs_inobt_init_cursor(cur->bc_mp, cur->bc_tp,
cur->bc_private.a.agbp, cur->bc_private.a.agno);
cur->bc_private.a.agbp, cur->bc_private.a.agno,
cur->bc_btnum);
}
STATIC void
@@ -325,7 +326,8 @@ xfs_inobt_init_cursor(
struct xfs_mount *mp, /* file system mount point */
struct xfs_trans *tp, /* transaction pointer */
struct xfs_buf *agbp, /* buffer for agi structure */
xfs_agnumber_t agno) /* allocation group number */
xfs_agnumber_t agno, /* allocation group number */
xfs_btnum_t btnum) /* ialloc or free ino btree */
{
struct xfs_agi *agi = XFS_BUF_TO_AGI(agbp);
struct xfs_btree_cur *cur;
@@ -335,7 +337,7 @@ xfs_inobt_init_cursor(
cur->bc_tp = tp;
cur->bc_mp = mp;
cur->bc_nlevels = be32_to_cpu(agi->agi_level);
cur->bc_btnum = XFS_BTNUM_INO;
cur->bc_btnum = btnum;
cur->bc_blocklog = mp->m_sb.sb_blocklog;
cur->bc_ops = &xfs_inobt_ops;