int
xfs_ag_shrink_space(
- struct xfs_mount *mp,
+ struct xfs_perag *pag,
struct xfs_trans **tpp,
- xfs_agnumber_t agno,
xfs_extlen_t delta)
{
+ struct xfs_mount *mp = pag->pag_mount;
struct xfs_alloc_arg args = {
.tp = *tpp,
.mp = mp,
xfs_agblock_t aglen;
int error, err2;
- ASSERT(agno == mp->m_sb.sb_agcount - 1);
- error = xfs_ialloc_read_agi(mp, *tpp, agno, &agibp);
+ ASSERT(pag->pag_agno == mp->m_sb.sb_agcount - 1);
+ error = xfs_ialloc_read_agi(mp, *tpp, pag->pag_agno, &agibp);
if (error)
return error;
agi = agibp->b_addr;
- error = xfs_alloc_read_agf(mp, *tpp, agno, 0, &agfbp);
+ error = xfs_alloc_read_agf(mp, *tpp, pag->pag_agno, 0, &agfbp);
if (error)
return error;
if (delta >= aglen)
return -EINVAL;
- args.fsbno = XFS_AGB_TO_FSB(mp, agno, aglen - delta);
+ args.fsbno = XFS_AGB_TO_FSB(mp, pag->pag_agno, aglen - delta);
/*
* Make sure that the last inode cluster cannot overlap with the new
* end of the AG, even if it's sparse.
*/
- error = xfs_ialloc_check_shrink(*tpp, agno, agibp, aglen - delta);
+ error = xfs_ialloc_check_shrink(*tpp, pag->pag_agno, agibp,
+ aglen - delta);
if (error)
return error;
*/
int
xfs_ag_extend_space(
- struct xfs_mount *mp,
+ struct xfs_perag *pag,
struct xfs_trans *tp,
- struct aghdr_init_data *id,
xfs_extlen_t len)
{
struct xfs_buf *bp;
struct xfs_agf *agf;
int error;
- /*
- * Change the agi length.
- */
- error = xfs_ialloc_read_agi(mp, tp, id->agno, &bp);
+ ASSERT(pag->pag_agno == pag->pag_mount->m_sb.sb_agcount - 1);
+
+ error = xfs_ialloc_read_agi(pag->pag_mount, tp, pag->pag_agno, &bp);
if (error)
return error;
agi = bp->b_addr;
be32_add_cpu(&agi->agi_length, len);
- ASSERT(id->agno == mp->m_sb.sb_agcount - 1 ||
- be32_to_cpu(agi->agi_length) == mp->m_sb.sb_agblocks);
xfs_ialloc_log_agi(tp, bp, XFS_AGI_LENGTH);
/*
* Change agf length.
*/
- error = xfs_alloc_read_agf(mp, tp, id->agno, 0, &bp);
+ error = xfs_alloc_read_agf(pag->pag_mount, tp, pag->pag_agno, 0, &bp);
if (error)
return error;
* XFS_RMAP_OINFO_SKIP_UPDATE is used here to tell the rmap btree that
* this doesn't actually exist in the rmap btree.
*/
- error = xfs_rmap_free(tp, bp, bp->b_pag,
- be32_to_cpu(agf->agf_length) - len,
+ error = xfs_rmap_free(tp, bp, pag, be32_to_cpu(agf->agf_length) - len,
len, &XFS_RMAP_OINFO_SKIP_UPDATE);
if (error)
return error;
- return xfs_free_extent(tp, XFS_AGB_TO_FSB(mp, id->agno,
+ return xfs_free_extent(tp, XFS_AGB_TO_FSB(pag->pag_mount, pag->pag_agno,
be32_to_cpu(agf->agf_length) - len),
len, &XFS_RMAP_OINFO_SKIP_UPDATE,
XFS_AG_RESV_NONE);
/* Retrieve AG geometry. */
int
xfs_ag_get_geometry(
- struct xfs_mount *mp,
- xfs_agnumber_t agno,
+ struct xfs_perag *pag,
struct xfs_ag_geometry *ageo)
{
struct xfs_buf *agi_bp;
struct xfs_buf *agf_bp;
struct xfs_agi *agi;
struct xfs_agf *agf;
- struct xfs_perag *pag;
unsigned int freeblks;
int error;
- if (agno >= mp->m_sb.sb_agcount)
- return -EINVAL;
-
/* Lock the AG headers. */
- error = xfs_ialloc_read_agi(mp, NULL, agno, &agi_bp);
+ error = xfs_ialloc_read_agi(pag->pag_mount, NULL, pag->pag_agno,
+ &agi_bp);
if (error)
return error;
- error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agf_bp);
+ error = xfs_alloc_read_agf(pag->pag_mount, NULL, pag->pag_agno, 0,
+ &agf_bp);
if (error)
goto out_agi;
- pag = agi_bp->b_pag;
-
/* Fill out form. */
memset(ageo, 0, sizeof(*ageo));
- ageo->ag_number = agno;
+ ageo->ag_number = pag->pag_agno;
agi = agi_bp->b_addr;
ageo->ag_icount = be32_to_cpu(agi->agi_count);