Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 53 insertions, 0 deletions

diff --git a/fs/xfs/xfs_inode_item.h b/fs/xfs/xfs_inode_item.h
new file mode 100644
index 000000000..bbd836a44
--- /dev/null
+++ b/fs/xfs/xfs_inode_item.h
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2000,2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ */
+#ifndef	__XFS_INODE_ITEM_H__
+#define	__XFS_INODE_ITEM_H__
+
+/* kernel only definitions */
+
+struct xfs_buf;
+struct xfs_bmbt_rec;
+struct xfs_inode;
+struct xfs_mount;
+
+struct xfs_inode_log_item {
+	struct xfs_log_item	ili_item;	   /* common portion */
+	struct xfs_inode	*ili_inode;	   /* inode ptr */
+	unsigned short		ili_lock_flags;	   /* inode lock flags */
+	/*
+	 * The ili_lock protects the interactions between the dirty state and
+	 * the flush state of the inode log item. This allows us to do atomic
+	 * modifications of multiple state fields without having to hold a
+	 * specific inode lock to serialise them.
+	 *
+	 * We need atomic changes between inode dirtying, inode flushing and
+	 * inode completion, but these all hold different combinations of
+	 * ILOCK and IFLUSHING and hence we need some other method of
+	 * serialising updates to the flush state.
+	 */
+	spinlock_t		ili_lock;	   /* flush state lock */
+	unsigned int		ili_last_fields;   /* fields when flushed */
+	unsigned int		ili_fields;	   /* fields to be logged */
+	unsigned int		ili_fsync_fields;  /* logged since last fsync */
+	xfs_lsn_t		ili_flush_lsn;	   /* lsn at last flush */
+	xfs_csn_t		ili_commit_seq;	   /* last transaction commit */
+};
+
+static inline int xfs_inode_clean(struct xfs_inode *ip)
+{
+	return !ip->i_itemp || !(ip->i_itemp->ili_fields & XFS_ILOG_ALL);
+}
+
+extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *);
+extern void xfs_inode_item_destroy(struct xfs_inode *);
+extern void xfs_iflush_abort(struct xfs_inode *);
+extern void xfs_iflush_shutdown_abort(struct xfs_inode *);
+extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,
+					 struct xfs_inode_log_format *);
+
+extern struct kmem_cache	*xfs_ili_cache;
+
+#endif	/* __XFS_INODE_ITEM_H__ */