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xfs: push perags through the ag reservation callouts

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We currently pass an agno from the AG reservation functions to the
individual feature accounting functions, which in future may have to
do perag lookups to access per-AG state. Instead, pre-emptively
plumb the perag through from the highest AG reservation layer to the
feature callouts so they won't have to look it up again.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This commit is contained in:
Dave Chinner 2021-06-02 10:48:24 +10:00 committed by Dave Chinner
parent 45d0662117
commit 30933120ad
7 changed files with 23 additions and 23 deletions
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9
fs/xfs/libxfs/xfs_ag_resv.c
View File

@ -250,7 +250,6 @@ xfs_ag_resv_init(
struct xfs_trans *tp)
{
struct xfs_mount *mp = pag->pag_mount;
xfs_agnumber_t agno = pag->pag_agno;
xfs_extlen_t ask;
xfs_extlen_t used;
int error = 0, error2;
@ -260,11 +259,11 @@ xfs_ag_resv_init(
if (pag->pag_meta_resv.ar_asked == 0) {
ask = used = 0;
error = xfs_refcountbt_calc_reserves(mp, tp, agno, &ask, &used);
error = xfs_refcountbt_calc_reserves(mp, tp, pag, &ask, &used);
if (error)
goto out;
error = xfs_finobt_calc_reserves(mp, tp, agno, &ask, &used);
error = xfs_finobt_calc_reserves(mp, tp, pag, &ask, &used);
if (error)
goto out;
@ -282,7 +281,7 @@ xfs_ag_resv_init(
mp->m_finobt_nores = true;
error = xfs_refcountbt_calc_reserves(mp, tp, agno, &ask,
error = xfs_refcountbt_calc_reserves(mp, tp, pag, &ask,
&used);
if (error)
goto out;
@ -300,7 +299,7 @@ xfs_ag_resv_init(
if (pag->pag_rmapbt_resv.ar_asked == 0) {
ask = used = 0;
error = xfs_rmapbt_calc_reserves(mp, tp, agno, &ask, &used);
error = xfs_rmapbt_calc_reserves(mp, tp, pag, &ask, &used);
if (error)
goto out;

17
fs/xfs/libxfs/xfs_ialloc_btree.c
View File

@ -20,6 +20,7 @@
#include "xfs_trace.h"
#include "xfs_trans.h"
#include "xfs_rmap.h"
#include "xfs_ag.h"
STATIC int
xfs_inobt_get_minrecs(
@ -680,7 +681,7 @@ static int
xfs_inobt_count_blocks(
struct xfs_mount *mp,
struct xfs_trans *tp,
xfs_agnumber_t agno,
struct xfs_perag *pag,
xfs_btnum_t btnum,
xfs_extlen_t *tree_blocks)
{
@ -688,7 +689,7 @@ xfs_inobt_count_blocks(
struct xfs_btree_cur *cur = NULL;
int error;
error = xfs_inobt_cur(mp, tp, agno, btnum, &cur, &agbp);
error = xfs_inobt_cur(mp, tp, pag->pag_agno, btnum, &cur, &agbp);
if (error)
return error;
@ -704,14 +705,14 @@ static int
xfs_finobt_read_blocks(
struct xfs_mount *mp,
struct xfs_trans *tp,
xfs_agnumber_t agno,
struct xfs_perag *pag,
xfs_extlen_t *tree_blocks)
{
struct xfs_buf *agbp;
struct xfs_agi *agi;
int error;
error = xfs_ialloc_read_agi(mp, tp, agno, &agbp);
error = xfs_ialloc_read_agi(mp, tp, pag->pag_agno, &agbp);
if (error)
return error;
@ -728,7 +729,7 @@ int
xfs_finobt_calc_reserves(
struct xfs_mount *mp,
struct xfs_trans *tp,
xfs_agnumber_t agno,
struct xfs_perag *pag,
xfs_extlen_t *ask,
xfs_extlen_t *used)
{
@ -739,14 +740,14 @@ xfs_finobt_calc_reserves(
return 0;
if (xfs_sb_version_hasinobtcounts(&mp->m_sb))
error = xfs_finobt_read_blocks(mp, tp, agno, &tree_len);
error = xfs_finobt_read_blocks(mp, tp, pag, &tree_len);
else
error = xfs_inobt_count_blocks(mp, tp, agno, XFS_BTNUM_FINO,
error = xfs_inobt_count_blocks(mp, tp, pag, XFS_BTNUM_FINO,
&tree_len);
if (error)
return error;
*ask += xfs_inobt_max_size(mp, agno);
*ask += xfs_inobt_max_size(mp, pag->pag_agno);
*used += tree_len;
return 0;
}

2
fs/xfs/libxfs/xfs_ialloc_btree.h
View File

@ -64,7 +64,7 @@ int xfs_inobt_rec_check_count(struct xfs_mount *,
#endif /* DEBUG */
int xfs_finobt_calc_reserves(struct xfs_mount *mp, struct xfs_trans *tp,
xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used);
struct xfs_perag *pag, xfs_extlen_t *ask, xfs_extlen_t *used);
extern xfs_extlen_t xfs_iallocbt_calc_size(struct xfs_mount *mp,
unsigned long long len);
int xfs_inobt_cur(struct xfs_mount *mp, struct xfs_trans *tp,

7
fs/xfs/libxfs/xfs_refcount_btree.c
View File

@ -450,7 +450,7 @@ int
xfs_refcountbt_calc_reserves(
struct xfs_mount *mp,
struct xfs_trans *tp,
xfs_agnumber_t agno,
struct xfs_perag *pag,
xfs_extlen_t *ask,
xfs_extlen_t *used)
{
@ -463,8 +463,7 @@ xfs_refcountbt_calc_reserves(
if (!xfs_sb_version_hasreflink(&mp->m_sb))
return 0;
error = xfs_alloc_read_agf(mp, tp, agno, 0, &agbp);
error = xfs_alloc_read_agf(mp, tp, pag->pag_agno, 0, &agbp);
if (error)
return error;
@ -479,7 +478,7 @@ xfs_refcountbt_calc_reserves(
* expansion. We therefore can pretend the space isn't there.
*/
if (mp->m_sb.sb_logstart &&
XFS_FSB_TO_AGNO(mp, mp->m_sb.sb_logstart) == agno)
XFS_FSB_TO_AGNO(mp, mp->m_sb.sb_logstart) == pag->pag_agno)
agblocks -= mp->m_sb.sb_logblocks;
*ask += xfs_refcountbt_max_size(mp, agblocks);

3
fs/xfs/libxfs/xfs_refcount_btree.h
View File

@ -13,6 +13,7 @@
struct xfs_buf;
struct xfs_btree_cur;
struct xfs_mount;
struct xfs_perag;
struct xbtree_afakeroot;
/*
@ -58,7 +59,7 @@ extern xfs_extlen_t xfs_refcountbt_max_size(struct xfs_mount *mp,
xfs_agblock_t agblocks);
extern int xfs_refcountbt_calc_reserves(struct xfs_mount *mp,
struct xfs_trans *tp, xfs_agnumber_t agno, xfs_extlen_t *ask,
struct xfs_trans *tp, struct xfs_perag *pag, xfs_extlen_t *ask,
xfs_extlen_t *used);
void xfs_refcountbt_commit_staged_btree(struct xfs_btree_cur *cur,

6
fs/xfs/libxfs/xfs_rmap_btree.c
View File

@ -595,7 +595,7 @@ int
xfs_rmapbt_calc_reserves(
struct xfs_mount *mp,
struct xfs_trans *tp,
xfs_agnumber_t agno,
struct xfs_perag *pag,
xfs_extlen_t *ask,
xfs_extlen_t *used)
{
@ -608,7 +608,7 @@ xfs_rmapbt_calc_reserves(
if (!xfs_sb_version_hasrmapbt(&mp->m_sb))
return 0;
error = xfs_alloc_read_agf(mp, tp, agno, 0, &agbp);
error = xfs_alloc_read_agf(mp, tp, pag->pag_agno, 0, &agbp);
if (error)
return error;
@ -623,7 +623,7 @@ xfs_rmapbt_calc_reserves(
* expansion. We therefore can pretend the space isn't there.
*/
if (mp->m_sb.sb_logstart &&
XFS_FSB_TO_AGNO(mp, mp->m_sb.sb_logstart) == agno)
XFS_FSB_TO_AGNO(mp, mp->m_sb.sb_logstart) == pag->pag_agno)
agblocks -= mp->m_sb.sb_logblocks;
/* Reserve 1% of the AG or enough for 1 block per record. */

2
fs/xfs/libxfs/xfs_rmap_btree.h
View File

@ -57,6 +57,6 @@ extern xfs_extlen_t xfs_rmapbt_max_size(struct xfs_mount *mp,
xfs_agblock_t agblocks);
extern int xfs_rmapbt_calc_reserves(struct xfs_mount *mp, struct xfs_trans *tp,
xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used);
struct xfs_perag *pag, xfs_extlen_t *ask, xfs_extlen_t *used);
#endif /* __XFS_RMAP_BTREE_H__ */