Adding upstream version 4.19.249.upstream/4.19.249upstream

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

1 files changed, 42 insertions, 0 deletions

diff --git a/fs/xfs/libxfs/xfs_attr_sf.h b/fs/xfs/libxfs/xfs_attr_sf.h
new file mode 100644
index 000000000..aafa4fe70
--- /dev/null
+++ b/fs/xfs/libxfs/xfs_attr_sf.h
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2000,2002,2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ */
+#ifndef __XFS_ATTR_SF_H__
+#define	__XFS_ATTR_SF_H__
+
+/*
+ * Attribute storage when stored inside the inode.
+ *
+ * Small attribute lists are packed as tightly as possible so as
+ * to fit into the literal area of the inode.
+ */
+typedef struct xfs_attr_sf_hdr xfs_attr_sf_hdr_t;
+typedef struct xfs_attr_sf_entry xfs_attr_sf_entry_t;
+
+/*
+ * We generate this then sort it, attr_list() must return things in hash-order.
+ */
+typedef struct xfs_attr_sf_sort {
+	uint8_t		entno;		/* entry number in original list */
+	uint8_t		namelen;	/* length of name value (no null) */
+	uint8_t		valuelen;	/* length of value */
+	uint8_t		flags;		/* flags bits (see xfs_attr_leaf.h) */
+	xfs_dahash_t	hash;		/* this entry's hash value */
+	unsigned char	*name;		/* name value, pointer into buffer */
+} xfs_attr_sf_sort_t;
+
+#define XFS_ATTR_SF_ENTSIZE_BYNAME(nlen,vlen)	/* space name/value uses */ \
+	(((int)sizeof(xfs_attr_sf_entry_t)-1 + (nlen)+(vlen)))
+#define XFS_ATTR_SF_ENTSIZE_MAX			/* max space for name&value */ \
+	((1 << (NBBY*(int)sizeof(uint8_t))) - 1)
+#define XFS_ATTR_SF_ENTSIZE(sfep)		/* space an entry uses */ \
+	((int)sizeof(xfs_attr_sf_entry_t)-1 + (sfep)->namelen+(sfep)->valuelen)
+#define XFS_ATTR_SF_NEXTENTRY(sfep)		/* next entry in struct */ \
+	((xfs_attr_sf_entry_t *)((char *)(sfep) + XFS_ATTR_SF_ENTSIZE(sfep)))
+#define XFS_ATTR_SF_TOTSIZE(dp)			/* total space in use */ \
+	(be16_to_cpu(((xfs_attr_shortform_t *)	\
+		((dp)->i_afp->if_u1.if_data))->hdr.totsize))
+
+#endif	/* __XFS_ATTR_SF_H__ */