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xfs: make is_log_ag() a first class helper

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We check if an ag contains the log in many places, so make this
a first class XFS helper by lifting it to fs/xfs/libxfs/xfs_ag.h and
renaming it xfs_ag_contains_log(). The convert all the places that
check if the AG contains the log to use this helper.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
This commit is contained in:
Dave Chinner 2022-07-07 19:13:21 +10:00 committed by Dave Chinner
parent 3829c9a10f
commit 36029dee38
8 changed files with 18 additions and 17 deletions
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12
fs/xfs/libxfs/xfs_ag.c
View File

@ -390,12 +390,6 @@ xfs_get_aghdr_buf(
return 0;
}
static inline bool is_log_ag(struct xfs_mount *mp, struct aghdr_init_data *id)
{
return mp->m_sb.sb_logstart > 0 &&
id->agno == XFS_FSB_TO_AGNO(mp, mp->m_sb.sb_logstart);
}
/*
* Generic btree root block init function
*/
@ -421,7 +415,7 @@ xfs_freesp_init_recs(
arec = XFS_ALLOC_REC_ADDR(mp, XFS_BUF_TO_BLOCK(bp), 1);
arec->ar_startblock = cpu_to_be32(mp->m_ag_prealloc_blocks);
if (is_log_ag(mp, id)) {
if (xfs_ag_contains_log(mp, id->agno)) {
struct xfs_alloc_rec *nrec;
xfs_agblock_t start = XFS_FSB_TO_AGBNO(mp,
mp->m_sb.sb_logstart);
@ -548,7 +542,7 @@ xfs_rmaproot_init(
}
/* account for the log space */
if (is_log_ag(mp, id)) {
if (xfs_ag_contains_log(mp, id->agno)) {
rrec = XFS_RMAP_REC_ADDR(block,
be16_to_cpu(block->bb_numrecs) + 1);
rrec->rm_startblock = cpu_to_be32(
@ -619,7 +613,7 @@ xfs_agfblock_init(
agf->agf_refcount_blocks = cpu_to_be32(1);
}
if (is_log_ag(mp, id)) {
if (xfs_ag_contains_log(mp, id->agno)) {
int64_t logblocks = mp->m_sb.sb_logblocks;
be32_add_cpu(&agf->agf_freeblks, -logblocks);

7
fs/xfs/libxfs/xfs_ag.h
View File

@ -165,6 +165,13 @@ xfs_verify_agino_or_null(struct xfs_perag *pag, xfs_agino_t agino)
return xfs_verify_agino(pag, agino);
}
static inline bool
xfs_ag_contains_log(struct xfs_mount *mp, xfs_agnumber_t agno)
{
return mp->m_sb.sb_logstart > 0 &&
agno == XFS_FSB_TO_AGNO(mp, mp->m_sb.sb_logstart);
}
/*
* Perag iteration APIs
*/

3
fs/xfs/libxfs/xfs_ialloc.c
View File

@ -2897,8 +2897,7 @@ xfs_ialloc_calc_rootino(
* allocation group, or very odd geometries created by old mkfs
* versions on very small filesystems.
*/
if (mp->m_sb.sb_logstart &&
XFS_FSB_TO_AGNO(mp, mp->m_sb.sb_logstart) == 0)
if (xfs_ag_contains_log(mp, 0))
first_bno += mp->m_sb.sb_logblocks;
/*

3
fs/xfs/libxfs/xfs_ialloc_btree.c
View File

@ -697,8 +697,7 @@ xfs_inobt_max_size(
* never be available for the kinds of things that would require btree
* 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) == pag->pag_agno)
if (xfs_ag_contains_log(mp, pag->pag_agno))
agblocks -= mp->m_sb.sb_logblocks;
return xfs_btree_calc_size(M_IGEO(mp)->inobt_mnr,

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

@ -507,8 +507,7 @@ xfs_refcountbt_calc_reserves(
* never be available for the kinds of things that would require btree
* 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) == pag->pag_agno)
if (xfs_ag_contains_log(mp, pag->pag_agno))
agblocks -= mp->m_sb.sb_logblocks;
*ask += xfs_refcountbt_max_size(mp, agblocks);

3
fs/xfs/libxfs/xfs_rmap_btree.c
View File

@ -666,8 +666,7 @@ xfs_rmapbt_calc_reserves(
* never be available for the kinds of things that would require btree
* 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) == pag->pag_agno)
if (xfs_ag_contains_log(mp, pag->pag_agno))
agblocks -= mp->m_sb.sb_logblocks;
/* Reserve 1% of the AG or enough for 1 block per record. */

2
fs/xfs/scrub/health.c
View File

@ -8,6 +8,8 @@
#include "xfs_shared.h"
#include "xfs_format.h"
#include "xfs_btree.h"
#include "xfs_trans_resv.h"
#include "xfs_mount.h"
#include "xfs_ag.h"
#include "xfs_health.h"
#include "scrub/scrub.h"

2
fs/xfs/scrub/refcount.c
View File

@ -13,6 +13,8 @@
#include "scrub/scrub.h"
#include "scrub/common.h"
#include "scrub/btree.h"
#include "xfs_trans_resv.h"
#include "xfs_mount.h"
#include "xfs_ag.h"
/*