Adding upstream version 6.6.15.upstream/6.6.15

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

1 files changed, 257 insertions, 0 deletions

diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
new file mode 100644
index 0000000000..88692512a4
--- /dev/null
+++ b/fs/udf/udfdecl.h
@@ -0,0 +1,257 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __UDF_DECL_H
+#define __UDF_DECL_H
+
+#define pr_fmt(fmt) "UDF-fs: " fmt
+
+#include "ecma_167.h"
+#include "osta_udf.h"
+
+#include <linux/fs.h>
+#include <linux/types.h>
+#include <linux/buffer_head.h>
+#include <linux/udf_fs_i.h>
+
+#include "udf_sb.h"
+#include "udfend.h"
+#include "udf_i.h"
+
+#define UDF_DEFAULT_PREALLOC_BLOCKS	8
+
+extern __printf(3, 4) void _udf_err(struct super_block *sb,
+		const char *function, const char *fmt, ...);
+#define udf_err(sb, fmt, ...)					\
+	_udf_err(sb, __func__, fmt, ##__VA_ARGS__)
+
+extern __printf(3, 4) void _udf_warn(struct super_block *sb,
+		const char *function, const char *fmt, ...);
+#define udf_warn(sb, fmt, ...)					\
+	_udf_warn(sb, __func__, fmt, ##__VA_ARGS__)
+
+#define udf_info(fmt, ...)					\
+	pr_info("INFO " fmt, ##__VA_ARGS__)
+
+#define udf_debug(fmt, ...)					\
+	pr_debug("%s:%d:%s: " fmt, __FILE__, __LINE__, __func__, ##__VA_ARGS__)
+
+#define UDF_EXTENT_LENGTH_MASK	0x3FFFFFFF
+#define UDF_EXTENT_FLAG_MASK	0xC0000000
+
+#define UDF_INVALID_ID ((uint32_t)-1)
+
+#define UDF_NAME_PAD		4
+#define UDF_NAME_LEN		254
+#define UDF_NAME_LEN_CS0	255
+
+static inline size_t udf_file_entry_alloc_offset(struct inode *inode)
+{
+	struct udf_inode_info *iinfo = UDF_I(inode);
+	if (iinfo->i_use)
+		return sizeof(struct unallocSpaceEntry);
+	else if (iinfo->i_efe)
+		return sizeof(struct extendedFileEntry) + iinfo->i_lenEAttr;
+	else
+		return sizeof(struct fileEntry) + iinfo->i_lenEAttr;
+}
+
+static inline size_t udf_ext0_offset(struct inode *inode)
+{
+	if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)
+		return udf_file_entry_alloc_offset(inode);
+	else
+		return 0;
+}
+
+/* computes tag checksum */
+u8 udf_tag_checksum(const struct tag *t);
+
+typedef uint32_t udf_pblk_t;
+
+struct dentry;
+struct inode;
+struct task_struct;
+struct buffer_head;
+struct super_block;
+
+extern const struct export_operations udf_export_ops;
+extern const struct inode_operations udf_dir_inode_operations;
+extern const struct file_operations udf_dir_operations;
+extern const struct inode_operations udf_file_inode_operations;
+extern const struct file_operations udf_file_operations;
+extern const struct inode_operations udf_symlink_inode_operations;
+extern const struct address_space_operations udf_aops;
+extern const struct address_space_operations udf_symlink_aops;
+
+struct udf_fileident_iter {
+	struct inode *dir;		/* Directory we are working with */
+	loff_t pos;			/* Logical position in a dir */
+	struct buffer_head *bh[2];	/* Buffer containing 'pos' and possibly
+					 * next buffer if entry straddles
+					 * blocks */
+	struct kernel_lb_addr eloc;	/* Start of extent containing 'pos' */
+	uint32_t elen;			/* Length of extent containing 'pos' */
+	sector_t loffset;		/* Block offset of 'pos' within above
+					 * extent */
+	struct extent_position epos;	/* Position after the above extent */
+	struct fileIdentDesc fi;	/* Copied directory entry */
+	uint8_t *name;			/* Pointer to entry name */
+	uint8_t *namebuf;		/* Storage for entry name in case
+					 * the name is split between two blocks
+					 */
+};
+
+struct udf_vds_record {
+	uint32_t block;
+	uint32_t volDescSeqNum;
+};
+
+struct generic_desc {
+	struct tag	descTag;
+	__le32		volDescSeqNum;
+};
+
+
+/* super.c */
+
+static inline void udf_updated_lvid(struct super_block *sb)
+{
+	struct buffer_head *bh = UDF_SB(sb)->s_lvid_bh;
+
+	BUG_ON(!bh);
+	WARN_ON_ONCE(((struct logicalVolIntegrityDesc *)
+		     bh->b_data)->integrityType !=
+		     cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN));
+	UDF_SB(sb)->s_lvid_dirty = 1;
+}
+extern u64 lvid_get_unique_id(struct super_block *sb);
+struct inode *udf_find_metadata_inode_efe(struct super_block *sb,
+					u32 meta_file_loc, u32 partition_num);
+
+/* namei.c */
+static inline unsigned int udf_dir_entry_len(struct fileIdentDesc *cfi)
+{
+	return ALIGN(sizeof(struct fileIdentDesc) +
+		le16_to_cpu(cfi->lengthOfImpUse) + cfi->lengthFileIdent,
+		UDF_NAME_PAD);
+}
+
+/* file.c */
+extern long udf_ioctl(struct file *, unsigned int, unsigned long);
+
+/* inode.c */
+extern struct inode *__udf_iget(struct super_block *, struct kernel_lb_addr *,
+				bool hidden_inode);
+static inline struct inode *udf_iget_special(struct super_block *sb,
+					     struct kernel_lb_addr *ino)
+{
+	return __udf_iget(sb, ino, true);
+}
+static inline struct inode *udf_iget(struct super_block *sb,
+				     struct kernel_lb_addr *ino)
+{
+	return __udf_iget(sb, ino, false);
+}
+extern int udf_expand_file_adinicb(struct inode *);
+extern struct buffer_head *udf_bread(struct inode *inode, udf_pblk_t block,
+				      int create, int *err);
+extern int udf_setsize(struct inode *, loff_t);
+extern void udf_evict_inode(struct inode *);
+extern int udf_write_inode(struct inode *, struct writeback_control *wbc);
+extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *,
+			 struct kernel_lb_addr *, uint32_t *, sector_t *);
+int udf_get_block(struct inode *, sector_t, struct buffer_head *, int);
+extern int udf_setup_indirect_aext(struct inode *inode, udf_pblk_t block,
+				   struct extent_position *epos);
+extern int __udf_add_aext(struct inode *inode, struct extent_position *epos,
+			  struct kernel_lb_addr *eloc, uint32_t elen, int inc);
+extern int udf_add_aext(struct inode *, struct extent_position *,
+			struct kernel_lb_addr *, uint32_t, int);
+extern void udf_write_aext(struct inode *, struct extent_position *,
+			   struct kernel_lb_addr *, uint32_t, int);
+extern int8_t udf_delete_aext(struct inode *, struct extent_position);
+extern int8_t udf_next_aext(struct inode *, struct extent_position *,
+			    struct kernel_lb_addr *, uint32_t *, int);
+extern int8_t udf_current_aext(struct inode *, struct extent_position *,
+			       struct kernel_lb_addr *, uint32_t *, int);
+extern void udf_update_extra_perms(struct inode *inode, umode_t mode);
+
+/* misc.c */
+extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t,
+						  uint32_t, uint8_t);
+extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t,
+						  uint8_t);
+extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t,
+					   uint32_t, uint16_t *);
+extern struct buffer_head *udf_read_ptagged(struct super_block *,
+					    struct kernel_lb_addr *, uint32_t,
+					    uint16_t *);
+extern void udf_update_tag(char *, int);
+extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
+
+/* lowlevel.c */
+extern unsigned int udf_get_last_session(struct super_block *);
+udf_pblk_t udf_get_last_block(struct super_block *);
+
+/* partition.c */
+extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t,
+			       uint32_t);
+extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t,
+				      uint32_t);
+extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t,
+				      uint32_t);
+extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t,
+				      uint32_t);
+extern uint32_t udf_get_pblock_meta25(struct super_block *, uint32_t, uint16_t,
+					  uint32_t);
+extern int udf_relocate_blocks(struct super_block *, long, long *);
+
+static inline uint32_t
+udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc,
+		  uint32_t offset)
+{
+	return udf_get_pblock(sb, loc->logicalBlockNum,
+			loc->partitionReferenceNum, offset);
+}
+
+/* unicode.c */
+extern int udf_get_filename(struct super_block *, const uint8_t *, int,
+			    uint8_t *, int);
+extern int udf_put_filename(struct super_block *, const uint8_t *, int,
+			    uint8_t *, int);
+extern int udf_dstrCS0toChar(struct super_block *, uint8_t *, int,
+			     const uint8_t *, int);
+
+/* ialloc.c */
+extern void udf_free_inode(struct inode *);
+extern struct inode *udf_new_inode(struct inode *, umode_t);
+
+/* truncate.c */
+extern void udf_truncate_tail_extent(struct inode *);
+extern void udf_discard_prealloc(struct inode *);
+extern int udf_truncate_extents(struct inode *);
+
+/* balloc.c */
+extern void udf_free_blocks(struct super_block *, struct inode *,
+			    struct kernel_lb_addr *, uint32_t, uint32_t);
+extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t,
+			       uint32_t, uint32_t);
+extern udf_pblk_t udf_new_block(struct super_block *sb, struct inode *inode,
+				 uint16_t partition, uint32_t goal, int *err);
+
+/* directory.c */
+int udf_fiiter_init(struct udf_fileident_iter *iter, struct inode *dir,
+		    loff_t pos);
+int udf_fiiter_advance(struct udf_fileident_iter *iter);
+void udf_fiiter_release(struct udf_fileident_iter *iter);
+void udf_fiiter_write_fi(struct udf_fileident_iter *iter, uint8_t *impuse);
+void udf_fiiter_update_elen(struct udf_fileident_iter *iter, uint32_t new_elen);
+int udf_fiiter_append_blk(struct udf_fileident_iter *iter);
+extern struct long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int);
+extern struct short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int);
+
+/* udftime.c */
+extern void udf_disk_stamp_to_time(struct timespec64 *dest,
+						struct timestamp src);
+extern void udf_time_to_disk_stamp(struct timestamp *dest, struct timespec64 src);
+
+#endif				/* __UDF_DECL_H */