[02/21] xfs: refactor log recovery item dispatch for pass2 readhead functions
diff mbox series

Message ID 158820766792.467894.3995732139270270438.stgit@magnolia
State Superseded
Headers show
Series
  • xfs: refactor log recovery
Related show

Commit Message

Darrick J. Wong April 30, 2020, 12:47 a.m. UTC
From: Darrick J. Wong <darrick.wong@oracle.com>

Move the pass2 readhead code into the per-item source code files and use
the dispatch function to call them.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
 fs/xfs/libxfs/xfs_log_recover.h |    6 ++
 fs/xfs/xfs_buf_item_recover.c   |   11 +++++
 fs/xfs/xfs_dquot_item.c         |   34 ++++++++++++++
 fs/xfs/xfs_inode_item_recover.c |   19 ++++++++
 fs/xfs/xfs_log_recover.c        |   95 +--------------------------------------
 5 files changed, 73 insertions(+), 92 deletions(-)

Comments

Chandan Rajendra May 1, 2020, 12:10 p.m. UTC | #1
On Thursday, April 30, 2020 6:17 AM Darrick J. Wong wrote: 
> From: Darrick J. Wong <darrick.wong@oracle.com>
> 
> Move the pass2 readhead code into the per-item source code files and use
> the dispatch function to call them.
>

Readahead is issued for buf, inode and dquot items similar to how it is done in
the present code.

Reviewed-by: Chandan Rajendra <chandanrlinux@gmail.com>

> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
> ---
>  fs/xfs/libxfs/xfs_log_recover.h |    6 ++
>  fs/xfs/xfs_buf_item_recover.c   |   11 +++++
>  fs/xfs/xfs_dquot_item.c         |   34 ++++++++++++++
>  fs/xfs/xfs_inode_item_recover.c |   19 ++++++++
>  fs/xfs/xfs_log_recover.c        |   95 +--------------------------------------
>  5 files changed, 73 insertions(+), 92 deletions(-)
> 
> 
> diff --git a/fs/xfs/libxfs/xfs_log_recover.h b/fs/xfs/libxfs/xfs_log_recover.h
> index 38ae9c371edb..1463eba47254 100644
> --- a/fs/xfs/libxfs/xfs_log_recover.h
> +++ b/fs/xfs/libxfs/xfs_log_recover.h
> @@ -29,6 +29,9 @@ struct xlog_recover_item_type {
>  	 * values mean.
>  	 */
>  	enum xlog_recover_reorder (*reorder_fn)(struct xlog_recover_item *item);
> +
> +	/* Start readahead for pass2, if provided. */
> +	void (*ra_pass2_fn)(struct xlog *log, struct xlog_recover_item *item);
>  };
>  
>  extern const struct xlog_recover_item_type xlog_icreate_item_type;
> @@ -90,4 +93,7 @@ struct xlog_recover {
>  #define	XLOG_RECOVER_PASS1	1
>  #define	XLOG_RECOVER_PASS2	2
>  
> +void xlog_buf_readahead(struct xlog *log, xfs_daddr_t blkno, uint len,
> +		const struct xfs_buf_ops *ops);
> +
>  #endif	/* __XFS_LOG_RECOVER_H__ */
> diff --git a/fs/xfs/xfs_buf_item_recover.c b/fs/xfs/xfs_buf_item_recover.c
> index 07ddf58209c3..c756b8e55fde 100644
> --- a/fs/xfs/xfs_buf_item_recover.c
> +++ b/fs/xfs/xfs_buf_item_recover.c
> @@ -32,6 +32,17 @@ xlog_buf_reorder_fn(
>  	return XLOG_REORDER_BUFFER_LIST;
>  }
>  
> +STATIC void
> +xlog_recover_buffer_ra_pass2(
> +	struct xlog                     *log,
> +	struct xlog_recover_item        *item)
> +{
> +	struct xfs_buf_log_format	*buf_f = item->ri_buf[0].i_addr;
> +
> +	xlog_buf_readahead(log, buf_f->blf_blkno, buf_f->blf_len, NULL);
> +}
> +
>  const struct xlog_recover_item_type xlog_buf_item_type = {
>  	.reorder_fn		= xlog_buf_reorder_fn,
> +	.ra_pass2_fn		= xlog_recover_buffer_ra_pass2,
>  };
> diff --git a/fs/xfs/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c
> index 3bd5b6c7e235..2a05d1239423 100644
> --- a/fs/xfs/xfs_dquot_item.c
> +++ b/fs/xfs/xfs_dquot_item.c
> @@ -386,7 +386,41 @@ xfs_qm_qoff_logitem_init(
>  	return qf;
>  }
>  
> +STATIC void
> +xlog_recover_dquot_ra_pass2(
> +	struct xlog			*log,
> +	struct xlog_recover_item	*item)
> +{
> +	struct xfs_mount	*mp = log->l_mp;
> +	struct xfs_disk_dquot	*recddq;
> +	struct xfs_dq_logformat	*dq_f;
> +	uint			type;
> +
> +	if (mp->m_qflags == 0)
> +		return;
> +
> +	recddq = item->ri_buf[1].i_addr;
> +	if (recddq == NULL)
> +		return;
> +	if (item->ri_buf[1].i_len < sizeof(struct xfs_disk_dquot))
> +		return;
> +
> +	type = recddq->d_flags & (XFS_DQ_USER | XFS_DQ_PROJ | XFS_DQ_GROUP);
> +	ASSERT(type);
> +	if (log->l_quotaoffs_flag & type)
> +		return;
> +
> +	dq_f = item->ri_buf[0].i_addr;
> +	ASSERT(dq_f);
> +	ASSERT(dq_f->qlf_len == 1);
> +
> +	xlog_buf_readahead(log, dq_f->qlf_blkno,
> +			XFS_FSB_TO_BB(mp, dq_f->qlf_len),
> +			&xfs_dquot_buf_ra_ops);
> +}
> +
>  const struct xlog_recover_item_type xlog_dquot_item_type = {
> +	.ra_pass2_fn		= xlog_recover_dquot_ra_pass2,
>  };
>  
>  const struct xlog_recover_item_type xlog_quotaoff_item_type = {
> diff --git a/fs/xfs/xfs_inode_item_recover.c b/fs/xfs/xfs_inode_item_recover.c
> index 478f0a5c08ab..d97d8caa4652 100644
> --- a/fs/xfs/xfs_inode_item_recover.c
> +++ b/fs/xfs/xfs_inode_item_recover.c
> @@ -21,5 +21,24 @@
>  #include "xfs_log_priv.h"
>  #include "xfs_log_recover.h"
>  
> +STATIC void
> +xlog_recover_inode_ra_pass2(
> +	struct xlog                     *log,
> +	struct xlog_recover_item        *item)
> +{
> +	if (item->ri_buf[0].i_len == sizeof(struct xfs_inode_log_format)) {
> +		struct xfs_inode_log_format	*ilfp = item->ri_buf[0].i_addr;
> +
> +		xlog_buf_readahead(log, ilfp->ilf_blkno, ilfp->ilf_len,
> +				   &xfs_inode_buf_ra_ops);
> +	} else {
> +		struct xfs_inode_log_format_32	*ilfp = item->ri_buf[0].i_addr;
> +
> +		xlog_buf_readahead(log, ilfp->ilf_blkno, ilfp->ilf_len,
> +				   &xfs_inode_buf_ra_ops);
> +	}
> +}
> +
>  const struct xlog_recover_item_type xlog_inode_item_type = {
> +	.ra_pass2_fn		= xlog_recover_inode_ra_pass2,
>  };
> diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
> index 8ab107680883..b61323cc5a11 100644
> --- a/fs/xfs/xfs_log_recover.c
> +++ b/fs/xfs/xfs_log_recover.c
> @@ -2045,7 +2045,7 @@ xlog_put_buffer_cancelled(
>  	return true;
>  }
>  
> -static void
> +void
>  xlog_buf_readahead(
>  	struct xlog		*log,
>  	xfs_daddr_t		blkno,
> @@ -3912,96 +3912,6 @@ xlog_recover_do_icreate_pass2(
>  				     length, be32_to_cpu(icl->icl_gen));
>  }
>  
> -STATIC void
> -xlog_recover_buffer_ra_pass2(
> -	struct xlog                     *log,
> -	struct xlog_recover_item        *item)
> -{
> -	struct xfs_buf_log_format	*buf_f = item->ri_buf[0].i_addr;
> -
> -	xlog_buf_readahead(log, buf_f->blf_blkno, buf_f->blf_len, NULL);
> -}
> -
> -STATIC void
> -xlog_recover_inode_ra_pass2(
> -	struct xlog                     *log,
> -	struct xlog_recover_item        *item)
> -{
> -	if (item->ri_buf[0].i_len == sizeof(struct xfs_inode_log_format)) {
> -		struct xfs_inode_log_format	*ilfp = item->ri_buf[0].i_addr;
> -
> -		xlog_buf_readahead(log, ilfp->ilf_blkno, ilfp->ilf_len,
> -				   &xfs_inode_buf_ra_ops);
> -	} else {
> -		struct xfs_inode_log_format_32	*ilfp = item->ri_buf[0].i_addr;
> -
> -		xlog_buf_readahead(log, ilfp->ilf_blkno, ilfp->ilf_len,
> -				   &xfs_inode_buf_ra_ops);
> -	}
> -}
> -
> -STATIC void
> -xlog_recover_dquot_ra_pass2(
> -	struct xlog			*log,
> -	struct xlog_recover_item	*item)
> -{
> -	struct xfs_mount	*mp = log->l_mp;
> -	struct xfs_disk_dquot	*recddq;
> -	struct xfs_dq_logformat	*dq_f;
> -	uint			type;
> -
> -	if (mp->m_qflags == 0)
> -		return;
> -
> -	recddq = item->ri_buf[1].i_addr;
> -	if (recddq == NULL)
> -		return;
> -	if (item->ri_buf[1].i_len < sizeof(struct xfs_disk_dquot))
> -		return;
> -
> -	type = recddq->d_flags & (XFS_DQ_USER | XFS_DQ_PROJ | XFS_DQ_GROUP);
> -	ASSERT(type);
> -	if (log->l_quotaoffs_flag & type)
> -		return;
> -
> -	dq_f = item->ri_buf[0].i_addr;
> -	ASSERT(dq_f);
> -	ASSERT(dq_f->qlf_len == 1);
> -
> -	xlog_buf_readahead(log, dq_f->qlf_blkno,
> -			XFS_FSB_TO_BB(mp, dq_f->qlf_len),
> -			&xfs_dquot_buf_ra_ops);
> -}
> -
> -STATIC void
> -xlog_recover_ra_pass2(
> -	struct xlog			*log,
> -	struct xlog_recover_item	*item)
> -{
> -	switch (ITEM_TYPE(item)) {
> -	case XFS_LI_BUF:
> -		xlog_recover_buffer_ra_pass2(log, item);
> -		break;
> -	case XFS_LI_INODE:
> -		xlog_recover_inode_ra_pass2(log, item);
> -		break;
> -	case XFS_LI_DQUOT:
> -		xlog_recover_dquot_ra_pass2(log, item);
> -		break;
> -	case XFS_LI_EFI:
> -	case XFS_LI_EFD:
> -	case XFS_LI_QUOTAOFF:
> -	case XFS_LI_RUI:
> -	case XFS_LI_RUD:
> -	case XFS_LI_CUI:
> -	case XFS_LI_CUD:
> -	case XFS_LI_BUI:
> -	case XFS_LI_BUD:
> -	default:
> -		break;
> -	}
> -}
> -
>  STATIC int
>  xlog_recover_commit_pass1(
>  	struct xlog			*log,
> @@ -4138,7 +4048,8 @@ xlog_recover_commit_trans(
>  			error = xlog_recover_commit_pass1(log, trans, item);
>  			break;
>  		case XLOG_RECOVER_PASS2:
> -			xlog_recover_ra_pass2(log, item);
> +			if (item->ri_type && item->ri_type->ra_pass2_fn)
> +				item->ri_type->ra_pass2_fn(log, item);
>  			list_move_tail(&item->ri_list, &ra_list);
>  			items_queued++;
>  			if (items_queued >= XLOG_RECOVER_COMMIT_QUEUE_MAX) {
> 
>

Patch
diff mbox series

diff --git a/fs/xfs/libxfs/xfs_log_recover.h b/fs/xfs/libxfs/xfs_log_recover.h
index 38ae9c371edb..1463eba47254 100644
--- a/fs/xfs/libxfs/xfs_log_recover.h
+++ b/fs/xfs/libxfs/xfs_log_recover.h
@@ -29,6 +29,9 @@  struct xlog_recover_item_type {
 	 * values mean.
 	 */
 	enum xlog_recover_reorder (*reorder_fn)(struct xlog_recover_item *item);
+
+	/* Start readahead for pass2, if provided. */
+	void (*ra_pass2_fn)(struct xlog *log, struct xlog_recover_item *item);
 };
 
 extern const struct xlog_recover_item_type xlog_icreate_item_type;
@@ -90,4 +93,7 @@  struct xlog_recover {
 #define	XLOG_RECOVER_PASS1	1
 #define	XLOG_RECOVER_PASS2	2
 
+void xlog_buf_readahead(struct xlog *log, xfs_daddr_t blkno, uint len,
+		const struct xfs_buf_ops *ops);
+
 #endif	/* __XFS_LOG_RECOVER_H__ */
diff --git a/fs/xfs/xfs_buf_item_recover.c b/fs/xfs/xfs_buf_item_recover.c
index 07ddf58209c3..c756b8e55fde 100644
--- a/fs/xfs/xfs_buf_item_recover.c
+++ b/fs/xfs/xfs_buf_item_recover.c
@@ -32,6 +32,17 @@  xlog_buf_reorder_fn(
 	return XLOG_REORDER_BUFFER_LIST;
 }
 
+STATIC void
+xlog_recover_buffer_ra_pass2(
+	struct xlog                     *log,
+	struct xlog_recover_item        *item)
+{
+	struct xfs_buf_log_format	*buf_f = item->ri_buf[0].i_addr;
+
+	xlog_buf_readahead(log, buf_f->blf_blkno, buf_f->blf_len, NULL);
+}
+
 const struct xlog_recover_item_type xlog_buf_item_type = {
 	.reorder_fn		= xlog_buf_reorder_fn,
+	.ra_pass2_fn		= xlog_recover_buffer_ra_pass2,
 };
diff --git a/fs/xfs/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c
index 3bd5b6c7e235..2a05d1239423 100644
--- a/fs/xfs/xfs_dquot_item.c
+++ b/fs/xfs/xfs_dquot_item.c
@@ -386,7 +386,41 @@  xfs_qm_qoff_logitem_init(
 	return qf;
 }
 
+STATIC void
+xlog_recover_dquot_ra_pass2(
+	struct xlog			*log,
+	struct xlog_recover_item	*item)
+{
+	struct xfs_mount	*mp = log->l_mp;
+	struct xfs_disk_dquot	*recddq;
+	struct xfs_dq_logformat	*dq_f;
+	uint			type;
+
+	if (mp->m_qflags == 0)
+		return;
+
+	recddq = item->ri_buf[1].i_addr;
+	if (recddq == NULL)
+		return;
+	if (item->ri_buf[1].i_len < sizeof(struct xfs_disk_dquot))
+		return;
+
+	type = recddq->d_flags & (XFS_DQ_USER | XFS_DQ_PROJ | XFS_DQ_GROUP);
+	ASSERT(type);
+	if (log->l_quotaoffs_flag & type)
+		return;
+
+	dq_f = item->ri_buf[0].i_addr;
+	ASSERT(dq_f);
+	ASSERT(dq_f->qlf_len == 1);
+
+	xlog_buf_readahead(log, dq_f->qlf_blkno,
+			XFS_FSB_TO_BB(mp, dq_f->qlf_len),
+			&xfs_dquot_buf_ra_ops);
+}
+
 const struct xlog_recover_item_type xlog_dquot_item_type = {
+	.ra_pass2_fn		= xlog_recover_dquot_ra_pass2,
 };
 
 const struct xlog_recover_item_type xlog_quotaoff_item_type = {
diff --git a/fs/xfs/xfs_inode_item_recover.c b/fs/xfs/xfs_inode_item_recover.c
index 478f0a5c08ab..d97d8caa4652 100644
--- a/fs/xfs/xfs_inode_item_recover.c
+++ b/fs/xfs/xfs_inode_item_recover.c
@@ -21,5 +21,24 @@ 
 #include "xfs_log_priv.h"
 #include "xfs_log_recover.h"
 
+STATIC void
+xlog_recover_inode_ra_pass2(
+	struct xlog                     *log,
+	struct xlog_recover_item        *item)
+{
+	if (item->ri_buf[0].i_len == sizeof(struct xfs_inode_log_format)) {
+		struct xfs_inode_log_format	*ilfp = item->ri_buf[0].i_addr;
+
+		xlog_buf_readahead(log, ilfp->ilf_blkno, ilfp->ilf_len,
+				   &xfs_inode_buf_ra_ops);
+	} else {
+		struct xfs_inode_log_format_32	*ilfp = item->ri_buf[0].i_addr;
+
+		xlog_buf_readahead(log, ilfp->ilf_blkno, ilfp->ilf_len,
+				   &xfs_inode_buf_ra_ops);
+	}
+}
+
 const struct xlog_recover_item_type xlog_inode_item_type = {
+	.ra_pass2_fn		= xlog_recover_inode_ra_pass2,
 };
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 8ab107680883..b61323cc5a11 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -2045,7 +2045,7 @@  xlog_put_buffer_cancelled(
 	return true;
 }
 
-static void
+void
 xlog_buf_readahead(
 	struct xlog		*log,
 	xfs_daddr_t		blkno,
@@ -3912,96 +3912,6 @@  xlog_recover_do_icreate_pass2(
 				     length, be32_to_cpu(icl->icl_gen));
 }
 
-STATIC void
-xlog_recover_buffer_ra_pass2(
-	struct xlog                     *log,
-	struct xlog_recover_item        *item)
-{
-	struct xfs_buf_log_format	*buf_f = item->ri_buf[0].i_addr;
-
-	xlog_buf_readahead(log, buf_f->blf_blkno, buf_f->blf_len, NULL);
-}
-
-STATIC void
-xlog_recover_inode_ra_pass2(
-	struct xlog                     *log,
-	struct xlog_recover_item        *item)
-{
-	if (item->ri_buf[0].i_len == sizeof(struct xfs_inode_log_format)) {
-		struct xfs_inode_log_format	*ilfp = item->ri_buf[0].i_addr;
-
-		xlog_buf_readahead(log, ilfp->ilf_blkno, ilfp->ilf_len,
-				   &xfs_inode_buf_ra_ops);
-	} else {
-		struct xfs_inode_log_format_32	*ilfp = item->ri_buf[0].i_addr;
-
-		xlog_buf_readahead(log, ilfp->ilf_blkno, ilfp->ilf_len,
-				   &xfs_inode_buf_ra_ops);
-	}
-}
-
-STATIC void
-xlog_recover_dquot_ra_pass2(
-	struct xlog			*log,
-	struct xlog_recover_item	*item)
-{
-	struct xfs_mount	*mp = log->l_mp;
-	struct xfs_disk_dquot	*recddq;
-	struct xfs_dq_logformat	*dq_f;
-	uint			type;
-
-	if (mp->m_qflags == 0)
-		return;
-
-	recddq = item->ri_buf[1].i_addr;
-	if (recddq == NULL)
-		return;
-	if (item->ri_buf[1].i_len < sizeof(struct xfs_disk_dquot))
-		return;
-
-	type = recddq->d_flags & (XFS_DQ_USER | XFS_DQ_PROJ | XFS_DQ_GROUP);
-	ASSERT(type);
-	if (log->l_quotaoffs_flag & type)
-		return;
-
-	dq_f = item->ri_buf[0].i_addr;
-	ASSERT(dq_f);
-	ASSERT(dq_f->qlf_len == 1);
-
-	xlog_buf_readahead(log, dq_f->qlf_blkno,
-			XFS_FSB_TO_BB(mp, dq_f->qlf_len),
-			&xfs_dquot_buf_ra_ops);
-}
-
-STATIC void
-xlog_recover_ra_pass2(
-	struct xlog			*log,
-	struct xlog_recover_item	*item)
-{
-	switch (ITEM_TYPE(item)) {
-	case XFS_LI_BUF:
-		xlog_recover_buffer_ra_pass2(log, item);
-		break;
-	case XFS_LI_INODE:
-		xlog_recover_inode_ra_pass2(log, item);
-		break;
-	case XFS_LI_DQUOT:
-		xlog_recover_dquot_ra_pass2(log, item);
-		break;
-	case XFS_LI_EFI:
-	case XFS_LI_EFD:
-	case XFS_LI_QUOTAOFF:
-	case XFS_LI_RUI:
-	case XFS_LI_RUD:
-	case XFS_LI_CUI:
-	case XFS_LI_CUD:
-	case XFS_LI_BUI:
-	case XFS_LI_BUD:
-	default:
-		break;
-	}
-}
-
 STATIC int
 xlog_recover_commit_pass1(
 	struct xlog			*log,
@@ -4138,7 +4048,8 @@  xlog_recover_commit_trans(
 			error = xlog_recover_commit_pass1(log, trans, item);
 			break;
 		case XLOG_RECOVER_PASS2:
-			xlog_recover_ra_pass2(log, item);
+			if (item->ri_type && item->ri_type->ra_pass2_fn)
+				item->ri_type->ra_pass2_fn(log, item);
 			list_move_tail(&item->ri_list, &ra_list);
 			items_queued++;
 			if (items_queued >= XLOG_RECOVER_COMMIT_QUEUE_MAX) {