Re: [PATCH 5/7] xfs: log items should have a xlog pointer, not a mount

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On Tue, Mar 15, 2022 at 05:42:39PM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
> 
> Log items belong to the log, not the xfs_mount. Convert the mount
> pointer in the log item to a xlog pointer in preparation for
> upcoming log centric changes to the log items.
> 
> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>

Straightforward conversion,
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>

--D

> ---
>  fs/xfs/xfs_bmap_item.c     | 2 +-
>  fs/xfs/xfs_buf_item.c      | 5 +++--
>  fs/xfs/xfs_extfree_item.c  | 2 +-
>  fs/xfs/xfs_log.c           | 2 +-
>  fs/xfs/xfs_log_cil.c       | 2 +-
>  fs/xfs/xfs_refcount_item.c | 2 +-
>  fs/xfs/xfs_rmap_item.c     | 2 +-
>  fs/xfs/xfs_trace.h         | 4 ++--
>  fs/xfs/xfs_trans.c         | 2 +-
>  fs/xfs/xfs_trans.h         | 3 ++-
>  10 files changed, 14 insertions(+), 12 deletions(-)
> 
> diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c
> index fa710067aac2..65ac261b3b28 100644
> --- a/fs/xfs/xfs_bmap_item.c
> +++ b/fs/xfs/xfs_bmap_item.c
> @@ -476,7 +476,7 @@ xfs_bui_item_recover(
>  	struct xfs_bui_log_item		*buip = BUI_ITEM(lip);
>  	struct xfs_trans		*tp;
>  	struct xfs_inode		*ip = NULL;
> -	struct xfs_mount		*mp = lip->li_mountp;
> +	struct xfs_mount		*mp = lip->li_log->l_mp;
>  	struct xfs_map_extent		*bmap;
>  	struct xfs_bud_log_item		*budp;
>  	xfs_filblks_t			count;
> diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
> index a7a8e4528881..522d450a94b1 100644
> --- a/fs/xfs/xfs_buf_item.c
> +++ b/fs/xfs/xfs_buf_item.c
> @@ -21,6 +21,7 @@
>  #include "xfs_dquot.h"
>  #include "xfs_trace.h"
>  #include "xfs_log.h"
> +#include "xfs_log_priv.h"
>  
>  
>  struct kmem_cache	*xfs_buf_item_cache;
> @@ -428,7 +429,7 @@ xfs_buf_item_format(
>  	 * occurs during recovery.
>  	 */
>  	if (bip->bli_flags & XFS_BLI_INODE_BUF) {
> -		if (xfs_has_v3inodes(lip->li_mountp) ||
> +		if (xfs_has_v3inodes(lip->li_log->l_mp) ||
>  		    !((bip->bli_flags & XFS_BLI_INODE_ALLOC_BUF) &&
>  		      xfs_log_item_in_current_chkpt(lip)))
>  			bip->__bli_format.blf_flags |= XFS_BLF_INODE_BUF;
> @@ -616,7 +617,7 @@ xfs_buf_item_put(
>  	 * that case, the bli is freed on buffer writeback completion.
>  	 */
>  	aborted = test_bit(XFS_LI_ABORTED, &lip->li_flags) ||
> -		  xfs_is_shutdown(lip->li_mountp);
> +			xlog_is_shutdown(lip->li_log);
>  	dirty = bip->bli_flags & XFS_BLI_DIRTY;
>  	if (dirty && !aborted)
>  		return false;
> diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
> index 36eeac9413f5..893a7dd15cbb 100644
> --- a/fs/xfs/xfs_extfree_item.c
> +++ b/fs/xfs/xfs_extfree_item.c
> @@ -615,7 +615,7 @@ xfs_efi_item_recover(
>  	struct list_head		*capture_list)
>  {
>  	struct xfs_efi_log_item		*efip = EFI_ITEM(lip);
> -	struct xfs_mount		*mp = lip->li_mountp;
> +	struct xfs_mount		*mp = lip->li_log->l_mp;
>  	struct xfs_efd_log_item		*efdp;
>  	struct xfs_trans		*tp;
>  	struct xfs_extent		*extp;
> diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
> index b0e05fa902d4..5c4ef45f42d2 100644
> --- a/fs/xfs/xfs_log.c
> +++ b/fs/xfs/xfs_log.c
> @@ -1136,7 +1136,7 @@ xfs_log_item_init(
>  	int			type,
>  	const struct xfs_item_ops *ops)
>  {
> -	item->li_mountp = mp;
> +	item->li_log = mp->m_log;
>  	item->li_ailp = mp->m_ail;
>  	item->li_type = type;
>  	item->li_ops = ops;
> diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
> index 48b16a5feb27..e9b80036268a 100644
> --- a/fs/xfs/xfs_log_cil.c
> +++ b/fs/xfs/xfs_log_cil.c
> @@ -76,7 +76,7 @@ bool
>  xfs_log_item_in_current_chkpt(
>  	struct xfs_log_item *lip)
>  {
> -	return xlog_item_in_current_chkpt(lip->li_mountp->m_log->l_cilp, lip);
> +	return xlog_item_in_current_chkpt(lip->li_log->l_cilp, lip);
>  }
>  
>  /*
> diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c
> index d4632f2ceb89..1b82b818f515 100644
> --- a/fs/xfs/xfs_refcount_item.c
> +++ b/fs/xfs/xfs_refcount_item.c
> @@ -468,7 +468,7 @@ xfs_cui_item_recover(
>  	struct xfs_cud_log_item		*cudp;
>  	struct xfs_trans		*tp;
>  	struct xfs_btree_cur		*rcur = NULL;
> -	struct xfs_mount		*mp = lip->li_mountp;
> +	struct xfs_mount		*mp = lip->li_log->l_mp;
>  	xfs_fsblock_t			new_fsb;
>  	xfs_extlen_t			new_len;
>  	unsigned int			refc_type;
> diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c
> index cb0490919b2c..546bd824cdf7 100644
> --- a/fs/xfs/xfs_rmap_item.c
> +++ b/fs/xfs/xfs_rmap_item.c
> @@ -523,7 +523,7 @@ xfs_rui_item_recover(
>  	struct xfs_rud_log_item		*rudp;
>  	struct xfs_trans		*tp;
>  	struct xfs_btree_cur		*rcur = NULL;
> -	struct xfs_mount		*mp = lip->li_mountp;
> +	struct xfs_mount		*mp = lip->li_log->l_mp;
>  	enum xfs_rmap_intent_type	type;
>  	xfs_exntst_t			state;
>  	int				i;
> diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
> index 585bd9853b6b..cc69b7c066e8 100644
> --- a/fs/xfs/xfs_trace.h
> +++ b/fs/xfs/xfs_trace.h
> @@ -1308,7 +1308,7 @@ DECLARE_EVENT_CLASS(xfs_log_item_class,
>  		__field(xfs_lsn_t, lsn)
>  	),
>  	TP_fast_assign(
> -		__entry->dev = lip->li_mountp->m_super->s_dev;
> +		__entry->dev = lip->li_log->l_mp->m_super->s_dev;
>  		__entry->lip = lip;
>  		__entry->type = lip->li_type;
>  		__entry->flags = lip->li_flags;
> @@ -1364,7 +1364,7 @@ DECLARE_EVENT_CLASS(xfs_ail_class,
>  		__field(xfs_lsn_t, new_lsn)
>  	),
>  	TP_fast_assign(
> -		__entry->dev = lip->li_mountp->m_super->s_dev;
> +		__entry->dev = lip->li_log->l_mp->m_super->s_dev;
>  		__entry->lip = lip;
>  		__entry->type = lip->li_type;
>  		__entry->flags = lip->li_flags;
> diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
> index 82590007e6c5..de87fb136b51 100644
> --- a/fs/xfs/xfs_trans.c
> +++ b/fs/xfs/xfs_trans.c
> @@ -646,7 +646,7 @@ xfs_trans_add_item(
>  	struct xfs_trans	*tp,
>  	struct xfs_log_item	*lip)
>  {
> -	ASSERT(lip->li_mountp == tp->t_mountp);
> +	ASSERT(lip->li_log == tp->t_mountp->m_log);
>  	ASSERT(lip->li_ailp == tp->t_mountp->m_ail);
>  	ASSERT(list_empty(&lip->li_trans));
>  	ASSERT(!test_bit(XFS_LI_DIRTY, &lip->li_flags));
> diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
> index 85dca2c9b559..1c5c5d7f522f 100644
> --- a/fs/xfs/xfs_trans.h
> +++ b/fs/xfs/xfs_trans.h
> @@ -8,6 +8,7 @@
>  
>  /* kernel only transaction subsystem defines */
>  
> +struct xlog;
>  struct xfs_buf;
>  struct xfs_buftarg;
>  struct xfs_efd_log_item;
> @@ -31,7 +32,7 @@ struct xfs_log_item {
>  	struct list_head		li_ail;		/* AIL pointers */
>  	struct list_head		li_trans;	/* transaction list */
>  	xfs_lsn_t			li_lsn;		/* last on-disk lsn */
> -	struct xfs_mount		*li_mountp;	/* ptr to fs mount */
> +	struct xlog			*li_log;
>  	struct xfs_ail			*li_ailp;	/* ptr to AIL */
>  	uint				li_type;	/* item type */
>  	unsigned long			li_flags;	/* misc flags */
> -- 
> 2.35.1
> 



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