From a5969cabbb4660eab42b6ef0412cbbd1200cf14d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 12 Oct 2024 07:10:09 +0000
Subject: [PATCH] 修改led为gpio
---
kernel/fs/xfs/libxfs/xfs_defer.h | 94 ++++++++++++++++++++++++++++++++++-------------
1 files changed, 68 insertions(+), 26 deletions(-)
diff --git a/kernel/fs/xfs/libxfs/xfs_defer.h b/kernel/fs/xfs/libxfs/xfs_defer.h
index 2584a5b..05472f7 100644
--- a/kernel/fs/xfs/libxfs/xfs_defer.h
+++ b/kernel/fs/xfs/libxfs/xfs_defer.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0+
+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2016 Oracle. All Rights Reserved.
* Author: Darrick J. Wong <darrick.wong@oracle.com>
@@ -6,21 +6,9 @@
#ifndef __XFS_DEFER_H__
#define __XFS_DEFER_H__
+struct xfs_btree_cur;
struct xfs_defer_op_type;
-
-/*
- * Save a log intent item and a list of extents, so that we can replay
- * whatever action had to happen to the extent list and file the log done
- * item.
- */
-struct xfs_defer_pending {
- const struct xfs_defer_op_type *dfp_type; /* function pointers */
- struct list_head dfp_list; /* pending items */
- void *dfp_intent; /* log intent item */
- void *dfp_done; /* log done item */
- struct list_head dfp_work; /* work items */
- unsigned int dfp_count; /* # extent items */
-};
+struct xfs_defer_capture;
/*
* Header for deferred operation list.
@@ -34,6 +22,20 @@
XFS_DEFER_OPS_TYPE_MAX,
};
+/*
+ * Save a log intent item and a list of extents, so that we can replay
+ * whatever action had to happen to the extent list and file the log done
+ * item.
+ */
+struct xfs_defer_pending {
+ struct list_head dfp_list; /* pending items */
+ struct list_head dfp_work; /* work items */
+ struct xfs_log_item *dfp_intent; /* log intent item */
+ struct xfs_log_item *dfp_done; /* log done item */
+ unsigned int dfp_count; /* # extent items */
+ enum xfs_defer_ops_type dfp_type;
+};
+
void xfs_defer_add(struct xfs_trans *tp, enum xfs_defer_ops_type type,
struct list_head *h);
int xfs_defer_finish_noroll(struct xfs_trans **tp);
@@ -43,19 +45,59 @@
/* Description of a deferred type. */
struct xfs_defer_op_type {
- enum xfs_defer_ops_type type;
+ struct xfs_log_item *(*create_intent)(struct xfs_trans *tp,
+ struct list_head *items, unsigned int count, bool sort);
+ void (*abort_intent)(struct xfs_log_item *intent);
+ struct xfs_log_item *(*create_done)(struct xfs_trans *tp,
+ struct xfs_log_item *intent, unsigned int count);
+ int (*finish_item)(struct xfs_trans *tp, struct xfs_log_item *done,
+ struct list_head *item, struct xfs_btree_cur **state);
+ void (*finish_cleanup)(struct xfs_trans *tp,
+ struct xfs_btree_cur *state, int error);
+ void (*cancel_item)(struct list_head *item);
unsigned int max_items;
- void (*abort_intent)(void *);
- void *(*create_done)(struct xfs_trans *, void *, unsigned int);
- int (*finish_item)(struct xfs_trans *, struct list_head *, void *,
- void **);
- void (*finish_cleanup)(struct xfs_trans *, void *, int);
- void (*cancel_item)(struct list_head *);
- int (*diff_items)(void *, struct list_head *, struct list_head *);
- void *(*create_intent)(struct xfs_trans *, uint);
- void (*log_item)(struct xfs_trans *, void *, struct list_head *);
};
-void xfs_defer_init_op_type(const struct xfs_defer_op_type *type);
+extern const struct xfs_defer_op_type xfs_bmap_update_defer_type;
+extern const struct xfs_defer_op_type xfs_refcount_update_defer_type;
+extern const struct xfs_defer_op_type xfs_rmap_update_defer_type;
+extern const struct xfs_defer_op_type xfs_extent_free_defer_type;
+extern const struct xfs_defer_op_type xfs_agfl_free_defer_type;
+
+/*
+ * This structure enables a dfops user to detach the chain of deferred
+ * operations from a transaction so that they can be continued later.
+ */
+struct xfs_defer_capture {
+ /* List of other capture structures. */
+ struct list_head dfc_list;
+
+ /* Deferred ops state saved from the transaction. */
+ struct list_head dfc_dfops;
+ unsigned int dfc_tpflags;
+
+ /* Block reservations for the data and rt devices. */
+ unsigned int dfc_blkres;
+ unsigned int dfc_rtxres;
+
+ /* Log reservation saved from the transaction. */
+ unsigned int dfc_logres;
+
+ /*
+ * An inode reference that must be maintained to complete the deferred
+ * work.
+ */
+ struct xfs_inode *dfc_capture_ip;
+};
+
+/*
+ * Functions to capture a chain of deferred operations and continue them later.
+ * This doesn't normally happen except log recovery.
+ */
+int xfs_defer_ops_capture_and_commit(struct xfs_trans *tp,
+ struct xfs_inode *capture_ip, struct list_head *capture_list);
+void xfs_defer_ops_continue(struct xfs_defer_capture *d, struct xfs_trans *tp,
+ struct xfs_inode **captured_ipp);
+void xfs_defer_ops_release(struct xfs_mount *mp, struct xfs_defer_capture *d);
#endif /* __XFS_DEFER_H__ */
--
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