update kernel to 5.10.198

hc

2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf

 kernel/fs/xfs/libxfs/xfs_log_recover.h
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..
@@ -7,6 +7,73 @@
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 #define __XFS_LOG_RECOVER_H__
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 /*
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+ * Each log item type (XFS_LI_*) gets its own xlog_recover_item_ops to
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+ * define how recovery should work for that type of log item.
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+ */
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+struct xlog_recover_item;
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+
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+/* Sorting hat for log items as they're read in. */
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+enum xlog_recover_reorder {
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+	XLOG_REORDER_BUFFER_LIST,
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+	XLOG_REORDER_ITEM_LIST,
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+	XLOG_REORDER_INODE_BUFFER_LIST,
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+	XLOG_REORDER_CANCEL_LIST,
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+};
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+
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+struct xlog_recover_item_ops {
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+	uint16_t	item_type;	/* XFS_LI_* type code. */
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+
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+	/*
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+	 * Help sort recovered log items into the order required to replay them
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+	 * correctly.  Log item types that always use XLOG_REORDER_ITEM_LIST do
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+	 * not have to supply a function here.  See the comment preceding
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+	 * xlog_recover_reorder_trans for more details about what the return
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+	 * values mean.
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+	 */
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+	enum xlog_recover_reorder (*reorder)(struct xlog_recover_item *item);
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+
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+	/* Start readahead for pass2, if provided. */
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+	void (*ra_pass2)(struct xlog *log, struct xlog_recover_item *item);
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+
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+	/* Do whatever work we need to do for pass1, if provided. */
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+	int (*commit_pass1)(struct xlog *log, struct xlog_recover_item *item);
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+
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+	/*
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+	 * This function should do whatever work is needed for pass2 of log
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+	 * recovery, if provided.
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+	 *
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+	 * If the recovered item is an intent item, this function should parse
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+	 * the recovered item to construct an in-core log intent item and
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+	 * insert it into the AIL.  The in-core log intent item should have 1
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+	 * refcount so that the item is freed either (a) when we commit the
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+	 * recovered log item for the intent-done item; (b) replay the work and
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+	 * log a new intent-done item; or (c) recovery fails and we have to
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+	 * abort.
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+	 *
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+	 * If the recovered item is an intent-done item, this function should
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+	 * parse the recovered item to find the id of the corresponding intent
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+	 * log item.  Next, it should find the in-core log intent item in the
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+	 * AIL and release it.
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+	 */
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+	int (*commit_pass2)(struct xlog *log, struct list_head *buffer_list,
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+			    struct xlog_recover_item *item, xfs_lsn_t lsn);
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+};
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+
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+extern const struct xlog_recover_item_ops xlog_icreate_item_ops;
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+extern const struct xlog_recover_item_ops xlog_buf_item_ops;
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+extern const struct xlog_recover_item_ops xlog_inode_item_ops;
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+extern const struct xlog_recover_item_ops xlog_dquot_item_ops;
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+extern const struct xlog_recover_item_ops xlog_quotaoff_item_ops;
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+extern const struct xlog_recover_item_ops xlog_bui_item_ops;
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+extern const struct xlog_recover_item_ops xlog_bud_item_ops;
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+extern const struct xlog_recover_item_ops xlog_efi_item_ops;
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+extern const struct xlog_recover_item_ops xlog_efd_item_ops;
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+extern const struct xlog_recover_item_ops xlog_rui_item_ops;
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+extern const struct xlog_recover_item_ops xlog_rud_item_ops;
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+extern const struct xlog_recover_item_ops xlog_cui_item_ops;
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+extern const struct xlog_recover_item_ops xlog_cud_item_ops;
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+
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+/*
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  * Macros, structures, prototypes for internal log manager use.
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  */
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@@ -22,22 +89,22 @@
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 /*
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  * item headers are in ri_buf[0].  Additional buffers follow.
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  */
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-typedef struct xlog_recover_item {
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+struct xlog_recover_item {
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 	struct list_head	ri_list;
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-	int			ri_type;
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 	int			ri_cnt;	/* count of regions found */
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 	int			ri_total;	/* total regions */
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-	xfs_log_iovec_t		*ri_buf;	/* ptr to regions buffer */
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-} xlog_recover_item_t;
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+	struct xfs_log_iovec	*ri_buf;	/* ptr to regions buffer */
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+	const struct xlog_recover_item_ops *ri_ops;
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+};
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-typedef struct xlog_recover {
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+struct xlog_recover {
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 	struct hlist_node	r_list;
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 	xlog_tid_t		r_log_tid;	/* log's transaction id */
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 	xfs_trans_header_t	r_theader;	/* trans header for partial */
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 	int			r_state;	/* not needed */
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 	xfs_lsn_t		r_lsn;		/* xact lsn */
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 	struct list_head	r_itemq;	/* q for items */
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-} xlog_recover_t;
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+};
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 #define ITEM_TYPE(i)	(*(unsigned short *)(i)->ri_buf[0].i_addr)
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..
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@@ -51,4 +118,11 @@
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 #define	XLOG_RECOVER_PASS1	1
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 #define	XLOG_RECOVER_PASS2	2
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+void xlog_buf_readahead(struct xlog *log, xfs_daddr_t blkno, uint len,
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+		const struct xfs_buf_ops *ops);
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+bool xlog_is_buffer_cancelled(struct xlog *log, xfs_daddr_t blkno, uint len);
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+
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+void xlog_recover_release_intent(struct xlog *log, unsigned short intent_type,
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+		uint64_t intent_id);
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+
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 #endif	/* __XFS_LOG_RECOVER_H__ */