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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/fs/xfs/libxfs/xfs_attr_leaf.h
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@@ -1,4 +1,4 @@
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-// SPDX-License-Identifier: GPL-2.0
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+/* SPDX-License-Identifier: GPL-2.0 */
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 /*
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  * Copyright (c) 2000,2002-2003,2005 Silicon Graphics, Inc.
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  * Copyright (c) 2013 Red Hat, Inc.
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@@ -8,7 +8,6 @@
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 #define	__XFS_ATTR_LEAF_H__
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 struct attrlist;
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-struct attrlist_cursor_kern;
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 struct xfs_attr_list_context;
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 struct xfs_da_args;
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 struct xfs_da_state;
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@@ -17,13 +16,27 @@
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 struct xfs_trans;
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 /*
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- * Used to keep a list of "remote value" extents when unlinking an inode.
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+ * Incore version of the attribute leaf header.
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  */
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-typedef struct xfs_attr_inactive_list {
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-	xfs_dablk_t	valueblk;	/* block number of value bytes */
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-	int		valuelen;	/* number of bytes in value */
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-} xfs_attr_inactive_list_t;
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-
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+struct xfs_attr3_icleaf_hdr {
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+	uint32_t	forw;
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+	uint32_t	back;
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+	uint16_t	magic;
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+	uint16_t	count;
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+	uint16_t	usedbytes;
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+	/*
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+	 * Firstused is 32-bit here instead of 16-bit like the on-disk variant
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+	 * to support maximum fsb size of 64k without overflow issues throughout
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+	 * the attr code. Instead, the overflow condition is handled on
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+	 * conversion to/from disk.
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+	 */
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+	uint32_t	firstused;
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+	__u8		holes;
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+	struct {
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+		uint16_t	base;
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+		uint16_t	size;
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+	} freemap[XFS_ATTR_LEAF_MAPSIZE];
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+};
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 /*========================================================================
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  * Function prototypes for the kernel.
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@@ -39,6 +52,9 @@
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 int	xfs_attr_shortform_to_leaf(struct xfs_da_args *args,
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 			struct xfs_buf **leaf_bp);
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 int	xfs_attr_shortform_remove(struct xfs_da_args *args);
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+int	xfs_attr_sf_findname(struct xfs_da_args *args,
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+			     struct xfs_attr_sf_entry **sfep,
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+			     unsigned int *basep);
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 int	xfs_attr_shortform_allfit(struct xfs_buf *bp, struct xfs_inode *dp);
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 int	xfs_attr_shortform_bytesfit(struct xfs_inode *dp, int bytes);
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 xfs_failaddr_t xfs_attr_shortform_verify(struct xfs_inode *ip);
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@@ -67,8 +83,8 @@
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 				 struct xfs_da_args *args);
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 int	xfs_attr3_leaf_remove(struct xfs_buf *leaf_buffer,
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 				    struct xfs_da_args *args);
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-void	xfs_attr3_leaf_list_int(struct xfs_buf *bp,
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-				      struct xfs_attr_list_context *context);
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+int	xfs_attr3_leaf_list_int(struct xfs_buf *bp,
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+				struct xfs_attr_list_context *context);
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 /*
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  * Routines used for shrinking the Btree.
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@@ -85,8 +101,7 @@
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 				   struct xfs_buf *leaf2_bp);
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 int	xfs_attr_leaf_newentsize(struct xfs_da_args *args, int *local);
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 int	xfs_attr3_leaf_read(struct xfs_trans *tp, struct xfs_inode *dp,
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-			xfs_dablk_t bno, xfs_daddr_t mappedbno,
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-			struct xfs_buf **bpp);
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+			xfs_dablk_t bno, struct xfs_buf **bpp);
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 void	xfs_attr3_leaf_hdr_from_disk(struct xfs_da_geometry *geo,
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 				     struct xfs_attr3_icleaf_hdr *to,
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 				     struct xfs_attr_leafblock *from);