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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /fs/xfs/xfs_buf_item.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/xfs/xfs_buf_item.h')
-rw-r--r--fs/xfs/xfs_buf_item.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h
new file mode 100644
index 000000000..4d8a6aece
--- /dev/null
+++ b/fs/xfs/xfs_buf_item.h
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ */
+#ifndef __XFS_BUF_ITEM_H__
+#define __XFS_BUF_ITEM_H__
+
+/* kernel only definitions */
+
+struct xfs_buf;
+struct xfs_mount;
+
+/* buf log item flags */
+#define XFS_BLI_HOLD (1u << 0)
+#define XFS_BLI_DIRTY (1u << 1)
+#define XFS_BLI_STALE (1u << 2)
+#define XFS_BLI_LOGGED (1u << 3)
+#define XFS_BLI_INODE_ALLOC_BUF (1u << 4)
+#define XFS_BLI_STALE_INODE (1u << 5)
+#define XFS_BLI_INODE_BUF (1u << 6)
+#define XFS_BLI_ORDERED (1u << 7)
+
+#define XFS_BLI_FLAGS \
+ { XFS_BLI_HOLD, "HOLD" }, \
+ { XFS_BLI_DIRTY, "DIRTY" }, \
+ { XFS_BLI_STALE, "STALE" }, \
+ { XFS_BLI_LOGGED, "LOGGED" }, \
+ { XFS_BLI_INODE_ALLOC_BUF, "INODE_ALLOC" }, \
+ { XFS_BLI_STALE_INODE, "STALE_INODE" }, \
+ { XFS_BLI_INODE_BUF, "INODE_BUF" }, \
+ { XFS_BLI_ORDERED, "ORDERED" }
+
+/*
+ * This is the in core log item structure used to track information
+ * needed to log buffers. It tracks how many times the lock has been
+ * locked, and which 128 byte chunks of the buffer are dirty.
+ */
+struct xfs_buf_log_item {
+ struct xfs_log_item bli_item; /* common item structure */
+ struct xfs_buf *bli_buf; /* real buffer pointer */
+ unsigned int bli_flags; /* misc flags */
+ unsigned int bli_recur; /* lock recursion count */
+ atomic_t bli_refcount; /* cnt of tp refs */
+ int bli_format_count; /* count of headers */
+ struct xfs_buf_log_format *bli_formats; /* array of in-log header ptrs */
+ struct xfs_buf_log_format __bli_format; /* embedded in-log header */
+};
+
+int xfs_buf_item_init(struct xfs_buf *, struct xfs_mount *);
+void xfs_buf_item_done(struct xfs_buf *bp);
+void xfs_buf_item_relse(struct xfs_buf *);
+bool xfs_buf_item_put(struct xfs_buf_log_item *);
+void xfs_buf_item_log(struct xfs_buf_log_item *, uint, uint);
+bool xfs_buf_item_dirty_format(struct xfs_buf_log_item *);
+void xfs_buf_inode_iodone(struct xfs_buf *);
+void xfs_buf_inode_io_fail(struct xfs_buf *bp);
+#ifdef CONFIG_XFS_QUOTA
+void xfs_buf_dquot_iodone(struct xfs_buf *);
+void xfs_buf_dquot_io_fail(struct xfs_buf *bp);
+#else
+static inline void xfs_buf_dquot_iodone(struct xfs_buf *bp)
+{
+}
+static inline void xfs_buf_dquot_io_fail(struct xfs_buf *bp)
+{
+}
+#endif /* CONFIG_XFS_QUOTA */
+void xfs_buf_iodone(struct xfs_buf *);
+bool xfs_buf_log_check_iovec(struct xfs_log_iovec *iovec);
+
+extern struct kmem_cache *xfs_buf_item_cache;
+
+#endif /* __XFS_BUF_ITEM_H__ */