[PATCH 06/50] xfs: pass perag to xfs_read_agi

Dave Chinner
2022-06-11T01:27:17Z

We have the perag in most palces we call xfs_read_agi, so pass the
perag instead of a mount/agno pair.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
---
fs/xfs/libxfs/xfs_ialloc.c | 21 ++++++++++-----------
fs/xfs/libxfs/xfs_ialloc.h | 10 +++-------
fs/xfs/xfs_inode.c | 14 ++++++++------
fs/xfs/xfs_log_recover.c | 38 +++++++++++++++++++-------------------
4 files changed, 40 insertions(+), 43 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c
index dfa8061f65d9..55757b990ac6 100644
--- a/fs/xfs/libxfs/xfs_ialloc.c
+++ b/fs/xfs/libxfs/xfs_ialloc.c
@@ -2571,25 +2571,24 @@ const struct xfs_buf_ops xfs_agi_buf_ops = {
*/
int
xfs_read_agi(
- struct xfs_mount *mp, /* file system mount structure */
- struct xfs_trans *tp, /* transaction pointer */
- xfs_agnumber_t agno, /* allocation group number */
- struct xfs_buf **bpp) /* allocation group hdr buf */
+ struct xfs_perag *pag,
+ struct xfs_trans *tp,
+ struct xfs_buf **agibpp)
{
+ struct xfs_mount *mp = pag->pag_mount;
int error;

- trace_xfs_read_agi(mp, agno);
+ trace_xfs_read_agi(pag->pag_mount, pag->pag_agno);

- ASSERT(agno != NULLAGNUMBER);
error = xfs_trans_read_buf(mp, tp, mp->m_ddev_targp,
- XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp)),
- XFS_FSS_TO_BB(mp, 1), 0, bpp, &xfs_agi_buf_ops);
+ XFS_AG_DADDR(mp, pag->pag_agno, XFS_AGI_DADDR(mp)),
+ XFS_FSS_TO_BB(mp, 1), 0, agibpp, &xfs_agi_buf_ops);
if (error)
return error;
if (tp)
- xfs_trans_buf_set_type(tp, *bpp, XFS_BLFT_AGI_BUF);
+ xfs_trans_buf_set_type(tp, *agibpp, XFS_BLFT_AGI_BUF);

- xfs_buf_set_ref(*bpp, XFS_AGI_REF);
+ xfs_buf_set_ref(*agibpp, XFS_AGI_REF);
return 0;
}

@@ -2609,7 +2608,7 @@ xfs_ialloc_read_agi(

trace_xfs_ialloc_read_agi(pag->pag_mount, pag->pag_agno);

- error = xfs_read_agi(pag->pag_mount, tp, pag->pag_agno, &agibp);
+ error = xfs_read_agi(pag, tp, &agibp);
if (error)
return error;

diff --git a/fs/xfs/libxfs/xfs_ialloc.h b/fs/xfs/libxfs/xfs_ialloc.h
index 72cb33170d9f..9bbbca6ac4ed 100644
--- a/fs/xfs/libxfs/xfs_ialloc.h
+++ b/fs/xfs/libxfs/xfs_ialloc.h
@@ -62,11 +62,9 @@ xfs_ialloc_log_agi(
struct xfs_buf *bp, /* allocation group header buffer */
uint32_t fields); /* bitmask of fields to log */

-/*
- * Read in the allocation group header (inode allocation section)
- */
-int /* error */
-xfs_ialloc_read_agi(struct xfs_perag *pag, struct xfs_trans *tp,
+int xfs_read_agi(struct xfs_perag *pag, struct xfs_trans *tp,
+ struct xfs_buf **agibpp);
+int xfs_ialloc_read_agi(struct xfs_perag *pag, struct xfs_trans *tp,
struct xfs_buf **agibpp);

/*
@@ -89,8 +87,6 @@ int xfs_ialloc_inode_init(struct xfs_mount *mp, struct xfs_trans *tp,
xfs_agnumber_t agno, xfs_agblock_t agbno,
xfs_agblock_t length, unsigned int gen);

-int xfs_read_agi(struct xfs_mount *mp, struct xfs_trans *tp,
- xfs_agnumber_t agno, struct xfs_buf **bpp);

union xfs_btree_rec;
void xfs_inobt_btrec_to_irec(struct xfs_mount *mp,
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 52d6f2c7d58b..6dcb9b0fa852 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -2157,7 +2157,7 @@ xfs_iunlink(
pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino));

/* Get the agi buffer first. It ensures lock ordering on the list. */
- error = xfs_read_agi(mp, tp, pag->pag_agno, &agibp);
+ error = xfs_read_agi(pag, tp, &agibp);
if (error)
goto out;
agi = agibp->b_addr;
@@ -2342,7 +2342,7 @@ xfs_iunlink_remove(
trace_xfs_iunlink_remove(ip);

/* Get the agi buffer first. It ensures lock ordering on the list. */
- error = xfs_read_agi(mp, tp, pag->pag_agno, &agibp);
+ error = xfs_read_agi(pag, tp, &agibp);
if (error)
return error;
agi = agibp->b_addr;
@@ -3243,11 +3243,13 @@ xfs_rename(
if (inodes[i] == wip ||
(inodes[i] == target_ip &&
(VFS_I(target_ip)->i_nlink == 1 || src_is_directory))) {
- struct xfs_buf *bp;
- xfs_agnumber_t agno;
+ struct xfs_perag *pag;
+ struct xfs_buf *bp;

- agno = XFS_INO_TO_AGNO(mp, inodes[i]->i_ino);
- error = xfs_read_agi(mp, tp, agno, &bp);
+ pag = xfs_perag_get(mp,
+ XFS_INO_TO_AGNO(mp, inodes[i]->i_ino));
+ error = xfs_read_agi(pag, tp, &bp);
+ xfs_perag_put(pag);
if (error)
goto out_trans_cancel;
}
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 5f7e4e6e33ce..38aae3409c96 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -2629,21 +2629,21 @@ xlog_recover_cancel_intents(
*/
STATIC void
xlog_recover_clear_agi_bucket(
- xfs_mount_t *mp,
- xfs_agnumber_t agno,
- int bucket)
+ struct xfs_perag *pag,
+ int bucket)
{
- xfs_trans_t *tp;
- xfs_agi_t *agi;
- struct xfs_buf *agibp;
- int offset;
- int error;
+ struct xfs_mount *mp = pag->pag_mount;
+ struct xfs_trans *tp;
+ struct xfs_agi *agi;
+ struct xfs_buf *agibp;
+ int offset;
+ int error;

error = xfs_trans_alloc(mp, &M_RES(mp)->tr_clearagi, 0, 0, 0, &tp);
if (error)
goto out_error;

- error = xfs_read_agi(mp, tp, agno, &agibp);
+ error = xfs_read_agi(pag, tp, &agibp);
if (error)
goto out_abort;

@@ -2662,14 +2662,14 @@ xlog_recover_clear_agi_bucket(
out_abort:
xfs_trans_cancel(tp);
out_error:
- xfs_warn(mp, "%s: failed to clear agi %d. Continuing.", __func__, agno);
+ xfs_warn(mp, "%s: failed to clear agi %d. Continuing.", __func__,
+ pag->pag_agno);
return;
}

STATIC xfs_agino_t
xlog_recover_process_one_iunlink(
- struct xfs_mount *mp,
- xfs_agnumber_t agno,
+ struct xfs_perag *pag,
xfs_agino_t agino,
int bucket)
{
@@ -2679,15 +2679,15 @@ xlog_recover_process_one_iunlink(
xfs_ino_t ino;
int error;

- ino = XFS_AGINO_TO_INO(mp, agno, agino);
- error = xfs_iget(mp, NULL, ino, 0, 0, &ip);
+ ino = XFS_AGINO_TO_INO(pag->pag_mount, pag->pag_agno, agino);
+ error = xfs_iget(pag->pag_mount, NULL, ino, 0, 0, &ip);
if (error)
goto fail;

/*
* Get the on disk inode to find the next inode in the bucket.
*/
- error = xfs_imap_to_bp(mp, NULL, &ip->i_imap, &ibp);
+ error = xfs_imap_to_bp(pag->pag_mount, NULL, &ip->i_imap, &ibp);
if (error)
goto fail_iput;
dip = xfs_buf_offset(ibp, ip->i_imap.im_boffset);
@@ -2714,7 +2714,7 @@ xlog_recover_process_one_iunlink(
* Call xlog_recover_clear_agi_bucket() to perform a transaction to
* clear the inode pointer in the bucket.
*/
- xlog_recover_clear_agi_bucket(mp, agno, bucket);
+ xlog_recover_clear_agi_bucket(pag, bucket);
return NULLAGINO;
}

@@ -2755,7 +2755,7 @@ xlog_recover_process_iunlinks(
int error;

for_each_perag(mp, agno, pag) {
- error = xfs_read_agi(mp, NULL, pag->pag_agno, &agibp);
+ error = xfs_read_agi(pag, NULL, &agibp);
if (error) {
/*
* AGI is b0rked. Don't process it.
@@ -2780,8 +2780,8 @@ xlog_recover_process_iunlinks(
for (bucket = 0; bucket < XFS_AGI_UNLINKED_BUCKETS; bucket++) {
agino = be32_to_cpu(agi->agi_unlinked[bucket]);
while (agino != NULLAGINO) {
- agino = xlog_recover_process_one_iunlink(mp,
- pag->pag_agno, agino, bucket);
+ agino = xlog_recover_process_one_iunlink(pag,
+ agino, bucket);
cond_resched();
}
}
--
2.35.1