On Thursday, April 30, 2020 6:17 AM Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
>
> 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@xxxxxxxxx>
> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> ---
> 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) {
>
>
--
chandan
