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Diffstat (limited to 'fs/hfsplus/hfsplus_fs.h')
-rw-r--r--fs/hfsplus/hfsplus_fs.h257
1 files changed, 163 insertions, 94 deletions
diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h
index 4e75ac646fe..eb5e059f481 100644
--- a/fs/hfsplus/hfsplus_fs.h
+++ b/fs/hfsplus/hfsplus_fs.h
@@ -10,6 +10,12 @@
#ifndef _LINUX_HFSPLUS_FS_H
#define _LINUX_HFSPLUS_FS_H
+#ifdef pr_fmt
+#undef pr_fmt
+#endif
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/fs.h>
#include <linux/mutex.h>
#include <linux/buffer_head.h>
@@ -23,6 +29,8 @@
#define DBG_SUPER 0x00000010
#define DBG_EXTENT 0x00000020
#define DBG_BITMAP 0x00000040
+#define DBG_ATTR_MOD 0x00000080
+#define DBG_ACL_MOD 0x00000100
#if 0
#define DBG_MASK (DBG_EXTENT|DBG_INODE|DBG_BNODE_MOD)
@@ -31,9 +39,17 @@
#endif
#define DBG_MASK (0)
-#define dprint(flg, fmt, args...) \
- if (flg & DBG_MASK) \
- printk(fmt , ## args)
+#define hfs_dbg(flg, fmt, ...) \
+do { \
+ if (DBG_##flg & DBG_MASK) \
+ printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \
+} while (0)
+
+#define hfs_dbg_cont(flg, fmt, ...) \
+do { \
+ if (DBG_##flg & DBG_MASK) \
+ pr_cont(fmt, ##__VA_ARGS__); \
+} while (0)
/* Runtime config options */
#define HFSPLUS_DEF_CR_TYPE 0x3F3F3F3F /* '????' */
@@ -46,6 +62,13 @@ typedef int (*btree_keycmp)(const hfsplus_btree_key *,
#define NODE_HASH_SIZE 256
+/* B-tree mutex nested subclasses */
+enum hfsplus_btree_mutex_classes {
+ CATALOG_BTREE_MUTEX,
+ EXTENTS_BTREE_MUTEX,
+ ATTR_BTREE_MUTEX,
+};
+
/* An HFS+ BTree held in memory */
struct hfs_btree {
struct super_block *sb;
@@ -104,6 +127,14 @@ struct hfs_bnode {
#define HFS_BNODE_DELETED 4
/*
+ * Attributes file states
+ */
+#define HFSPLUS_EMPTY_ATTR_TREE 0
+#define HFSPLUS_CREATING_ATTR_TREE 1
+#define HFSPLUS_VALID_ATTR_TREE 2
+#define HFSPLUS_FAILED_ATTR_TREE 3
+
+/*
* HFS+ superblock info (built from Volume Header on disk)
*/
@@ -118,6 +149,7 @@ struct hfsplus_sb_info {
struct hfs_btree *ext_tree;
struct hfs_btree *cat_tree;
struct hfs_btree *attr_tree;
+ atomic_t attr_tree_state;
struct inode *alloc_file;
struct inode *hidden_dir;
struct nls_table *nls;
@@ -149,12 +181,15 @@ struct hfsplus_sb_info {
u32 type;
umode_t umask;
- uid_t uid;
- gid_t gid;
+ kuid_t uid;
+ kgid_t gid;
int part, session;
-
unsigned long flags;
+
+ int work_queued; /* non-zero delayed work is queued */
+ struct delayed_work sync_work; /* FS sync delayed work */
+ spinlock_t work_lock; /* protects sync_work and work_queued */
};
#define HFSPLUS_SB_WRITEBACKUP 0
@@ -207,6 +242,7 @@ struct hfsplus_inode_info {
*/
sector_t fs_blocks;
u8 userflags; /* BSD user file flags */
+ u32 subfolders; /* Subfolder count (HFSX only) */
struct list_head open_dir_list;
loff_t phys_size;
@@ -220,6 +256,7 @@ struct hfsplus_inode_info {
#define HFSPLUS_I_CAT_DIRTY 1 /* has changes in the catalog tree */
#define HFSPLUS_I_EXT_DIRTY 2 /* has changes in the extent tree */
#define HFSPLUS_I_ALLOC_DIRTY 3 /* has changes in the allocation file */
+#define HFSPLUS_I_ATTR_DIRTY 4 /* has changes in the attributes tree */
#define HFSPLUS_IS_RSRC(inode) \
test_bit(HFSPLUS_I_RSRC, &HFSPLUS_I(inode)->flags)
@@ -299,7 +336,7 @@ static inline unsigned short hfsplus_min_io_size(struct super_block *sb)
#define hfs_brec_remove hfsplus_brec_remove
#define hfs_find_init hfsplus_find_init
#define hfs_find_exit hfsplus_find_exit
-#define __hfs_brec_find __hplusfs_brec_find
+#define __hfs_brec_find __hfsplus_brec_find
#define hfs_brec_find hfsplus_brec_find
#define hfs_brec_read hfsplus_brec_read
#define hfs_brec_goto hfsplus_brec_goto
@@ -321,114 +358,149 @@ static inline unsigned short hfsplus_min_io_size(struct super_block *sb)
*/
#define HFSPLUS_IOC_BLESS _IO('h', 0x80)
+typedef int (*search_strategy_t)(struct hfs_bnode *,
+ struct hfs_find_data *,
+ int *, int *, int *);
+
/*
* Functions in any *.c used in other files
*/
+/* attributes.c */
+int __init hfsplus_create_attr_tree_cache(void);
+void hfsplus_destroy_attr_tree_cache(void);
+int hfsplus_attr_bin_cmp_key(const hfsplus_btree_key *k1,
+ const hfsplus_btree_key *k2);
+int hfsplus_attr_build_key(struct super_block *sb, hfsplus_btree_key *key,
+ u32 cnid, const char *name);
+hfsplus_attr_entry *hfsplus_alloc_attr_entry(void);
+void hfsplus_destroy_attr_entry(hfsplus_attr_entry *entry);
+int hfsplus_find_attr(struct super_block *sb, u32 cnid, const char *name,
+ struct hfs_find_data *fd);
+int hfsplus_attr_exists(struct inode *inode, const char *name);
+int hfsplus_create_attr(struct inode *inode, const char *name,
+ const void *value, size_t size);
+int hfsplus_delete_attr(struct inode *inode, const char *name);
+int hfsplus_delete_all_attrs(struct inode *dir, u32 cnid);
+
/* bitmap.c */
-int hfsplus_block_allocate(struct super_block *, u32, u32, u32 *);
-int hfsplus_block_free(struct super_block *, u32, u32);
+int hfsplus_block_allocate(struct super_block *sb, u32 size, u32 offset,
+ u32 *max);
+int hfsplus_block_free(struct super_block *sb, u32 offset, u32 count);
/* btree.c */
-struct hfs_btree *hfs_btree_open(struct super_block *, u32);
-void hfs_btree_close(struct hfs_btree *);
-void hfs_btree_write(struct hfs_btree *);
-struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *);
-void hfs_bmap_free(struct hfs_bnode *);
+u32 hfsplus_calc_btree_clump_size(u32 block_size, u32 node_size, u64 sectors,
+ int file_id);
+struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id);
+void hfs_btree_close(struct hfs_btree *tree);
+int hfs_btree_write(struct hfs_btree *tree);
+struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree);
+void hfs_bmap_free(struct hfs_bnode *node);
/* bnode.c */
-void hfs_bnode_read(struct hfs_bnode *, void *, int, int);
-u16 hfs_bnode_read_u16(struct hfs_bnode *, int);
-u8 hfs_bnode_read_u8(struct hfs_bnode *, int);
-void hfs_bnode_read_key(struct hfs_bnode *, void *, int);
-void hfs_bnode_write(struct hfs_bnode *, void *, int, int);
-void hfs_bnode_write_u16(struct hfs_bnode *, int, u16);
-void hfs_bnode_clear(struct hfs_bnode *, int, int);
-void hfs_bnode_copy(struct hfs_bnode *, int,
- struct hfs_bnode *, int, int);
-void hfs_bnode_move(struct hfs_bnode *, int, int, int);
-void hfs_bnode_dump(struct hfs_bnode *);
-void hfs_bnode_unlink(struct hfs_bnode *);
-struct hfs_bnode *hfs_bnode_findhash(struct hfs_btree *, u32);
-struct hfs_bnode *hfs_bnode_find(struct hfs_btree *, u32);
-void hfs_bnode_unhash(struct hfs_bnode *);
-void hfs_bnode_free(struct hfs_bnode *);
-struct hfs_bnode *hfs_bnode_create(struct hfs_btree *, u32);
-void hfs_bnode_get(struct hfs_bnode *);
-void hfs_bnode_put(struct hfs_bnode *);
+void hfs_bnode_read(struct hfs_bnode *node, void *buf, int off, int len);
+u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off);
+u8 hfs_bnode_read_u8(struct hfs_bnode *node, int off);
+void hfs_bnode_read_key(struct hfs_bnode *node, void *key, int off);
+void hfs_bnode_write(struct hfs_bnode *node, void *buf, int off, int len);
+void hfs_bnode_write_u16(struct hfs_bnode *node, int off, u16 data);
+void hfs_bnode_clear(struct hfs_bnode *node, int off, int len);
+void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst,
+ struct hfs_bnode *src_node, int src, int len);
+void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len);
+void hfs_bnode_dump(struct hfs_bnode *node);
+void hfs_bnode_unlink(struct hfs_bnode *node);
+struct hfs_bnode *hfs_bnode_findhash(struct hfs_btree *tree, u32 cnid);
+void hfs_bnode_unhash(struct hfs_bnode *node);
+struct hfs_bnode *hfs_bnode_find(struct hfs_btree *tree, u32 num);
+void hfs_bnode_free(struct hfs_bnode *node);
+struct hfs_bnode *hfs_bnode_create(struct hfs_btree *tree, u32 num);
+void hfs_bnode_get(struct hfs_bnode *node);
+void hfs_bnode_put(struct hfs_bnode *node);
+bool hfs_bnode_need_zeroout(struct hfs_btree *tree);
/* brec.c */
-u16 hfs_brec_lenoff(struct hfs_bnode *, u16, u16 *);
-u16 hfs_brec_keylen(struct hfs_bnode *, u16);
-int hfs_brec_insert(struct hfs_find_data *, void *, int);
-int hfs_brec_remove(struct hfs_find_data *);
+u16 hfs_brec_lenoff(struct hfs_bnode *node, u16 rec, u16 *off);
+u16 hfs_brec_keylen(struct hfs_bnode *node, u16 rec);
+int hfs_brec_insert(struct hfs_find_data *fd, void *entry, int entry_len);
+int hfs_brec_remove(struct hfs_find_data *fd);
/* bfind.c */
-int hfs_find_init(struct hfs_btree *, struct hfs_find_data *);
-void hfs_find_exit(struct hfs_find_data *);
-int __hfs_brec_find(struct hfs_bnode *, struct hfs_find_data *);
-int hfs_brec_find(struct hfs_find_data *);
-int hfs_brec_read(struct hfs_find_data *, void *, int);
-int hfs_brec_goto(struct hfs_find_data *, int);
+int hfs_find_init(struct hfs_btree *tree, struct hfs_find_data *fd);
+void hfs_find_exit(struct hfs_find_data *fd);
+int hfs_find_1st_rec_by_cnid(struct hfs_bnode *bnode, struct hfs_find_data *fd,
+ int *begin, int *end, int *cur_rec);
+int hfs_find_rec_by_key(struct hfs_bnode *bnode, struct hfs_find_data *fd,
+ int *begin, int *end, int *cur_rec);
+int __hfs_brec_find(struct hfs_bnode *bnode, struct hfs_find_data *fd,
+ search_strategy_t rec_found);
+int hfs_brec_find(struct hfs_find_data *fd, search_strategy_t do_key_compare);
+int hfs_brec_read(struct hfs_find_data *fd, void *rec, int rec_len);
+int hfs_brec_goto(struct hfs_find_data *fd, int cnt);
/* catalog.c */
-int hfsplus_cat_case_cmp_key(const hfsplus_btree_key *,
- const hfsplus_btree_key *);
-int hfsplus_cat_bin_cmp_key(const hfsplus_btree_key *,
- const hfsplus_btree_key *);
-void hfsplus_cat_build_key(struct super_block *sb,
- hfsplus_btree_key *, u32, struct qstr *);
-int hfsplus_find_cat(struct super_block *, u32, struct hfs_find_data *);
-int hfsplus_create_cat(u32, struct inode *, struct qstr *, struct inode *);
-int hfsplus_delete_cat(u32, struct inode *, struct qstr *);
-int hfsplus_rename_cat(u32, struct inode *, struct qstr *,
- struct inode *, struct qstr *);
+int hfsplus_cat_case_cmp_key(const hfsplus_btree_key *k1,
+ const hfsplus_btree_key *k2);
+int hfsplus_cat_bin_cmp_key(const hfsplus_btree_key *k1,
+ const hfsplus_btree_key *k2);
+void hfsplus_cat_build_key(struct super_block *sb, hfsplus_btree_key *key,
+ u32 parent, struct qstr *str);
void hfsplus_cat_set_perms(struct inode *inode, struct hfsplus_perm *perms);
+int hfsplus_find_cat(struct super_block *sb, u32 cnid,
+ struct hfs_find_data *fd);
+int hfsplus_create_cat(u32 cnid, struct inode *dir, struct qstr *str,
+ struct inode *inode);
+int hfsplus_delete_cat(u32 cnid, struct inode *dir, struct qstr *str);
+int hfsplus_rename_cat(u32 cnid, struct inode *src_dir, struct qstr *src_name,
+ struct inode *dst_dir, struct qstr *dst_name);
/* dir.c */
extern const struct inode_operations hfsplus_dir_inode_operations;
extern const struct file_operations hfsplus_dir_operations;
/* extents.c */
-int hfsplus_ext_cmp_key(const hfsplus_btree_key *, const hfsplus_btree_key *);
-int hfsplus_ext_write_extent(struct inode *);
-int hfsplus_get_block(struct inode *, sector_t, struct buffer_head *, int);
-int hfsplus_free_fork(struct super_block *, u32,
- struct hfsplus_fork_raw *, int);
-int hfsplus_file_extend(struct inode *);
-void hfsplus_file_truncate(struct inode *);
+int hfsplus_ext_cmp_key(const hfsplus_btree_key *k1,
+ const hfsplus_btree_key *k2);
+int hfsplus_ext_write_extent(struct inode *inode);
+int hfsplus_get_block(struct inode *inode, sector_t iblock,
+ struct buffer_head *bh_result, int create);
+int hfsplus_free_fork(struct super_block *sb, u32 cnid,
+ struct hfsplus_fork_raw *fork, int type);
+int hfsplus_file_extend(struct inode *inode, bool zeroout);
+void hfsplus_file_truncate(struct inode *inode);
/* inode.c */
extern const struct address_space_operations hfsplus_aops;
extern const struct address_space_operations hfsplus_btree_aops;
extern const struct dentry_operations hfsplus_dentry_operations;
-void hfsplus_inode_read_fork(struct inode *, struct hfsplus_fork_raw *);
-void hfsplus_inode_write_fork(struct inode *, struct hfsplus_fork_raw *);
-int hfsplus_cat_read_inode(struct inode *, struct hfs_find_data *);
-int hfsplus_cat_write_inode(struct inode *);
-struct inode *hfsplus_new_inode(struct super_block *, umode_t);
-void hfsplus_delete_inode(struct inode *);
+struct inode *hfsplus_new_inode(struct super_block *sb, umode_t mode);
+void hfsplus_delete_inode(struct inode *inode);
+void hfsplus_inode_read_fork(struct inode *inode,
+ struct hfsplus_fork_raw *fork);
+void hfsplus_inode_write_fork(struct inode *inode,
+ struct hfsplus_fork_raw *fork);
+int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd);
+int hfsplus_cat_write_inode(struct inode *inode);
int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
int datasync);
/* ioctl.c */
long hfsplus_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
-int hfsplus_setxattr(struct dentry *dentry, const char *name,
- const void *value, size_t size, int flags);
-ssize_t hfsplus_getxattr(struct dentry *dentry, const char *name,
- void *value, size_t size);
-ssize_t hfsplus_listxattr(struct dentry *dentry, char *buffer, size_t size);
/* options.c */
-int hfsplus_parse_options(char *, struct hfsplus_sb_info *);
+void hfsplus_fill_defaults(struct hfsplus_sb_info *opts);
int hfsplus_parse_options_remount(char *input, int *force);
-void hfsplus_fill_defaults(struct hfsplus_sb_info *);
-int hfsplus_show_options(struct seq_file *, struct dentry *);
+int hfsplus_parse_options(char *input, struct hfsplus_sb_info *sbi);
+int hfsplus_show_options(struct seq_file *seq, struct dentry *root);
+
+/* part_tbl.c */
+int hfs_part_find(struct super_block *sb, sector_t *part_start,
+ sector_t *part_size);
/* super.c */
-struct inode *hfsplus_iget(struct super_block *, unsigned long);
-int hfsplus_sync_fs(struct super_block *sb, int wait);
+struct inode *hfsplus_iget(struct super_block *sb, unsigned long ino);
+void hfsplus_mark_mdb_dirty(struct super_block *sb);
/* tables.c */
extern u16 hfsplus_case_fold_table[];
@@ -436,26 +508,23 @@ extern u16 hfsplus_decompose_table[];
extern u16 hfsplus_compose_table[];
/* unicode.c */
-int hfsplus_strcasecmp(const struct hfsplus_unistr *,
- const struct hfsplus_unistr *);
-int hfsplus_strcmp(const struct hfsplus_unistr *,
- const struct hfsplus_unistr *);
-int hfsplus_uni2asc(struct super_block *,
- const struct hfsplus_unistr *, char *, int *);
-int hfsplus_asc2uni(struct super_block *,
- struct hfsplus_unistr *, const char *, int);
-int hfsplus_hash_dentry(const struct dentry *dentry,
- const struct inode *inode, struct qstr *str);
+int hfsplus_strcasecmp(const struct hfsplus_unistr *s1,
+ const struct hfsplus_unistr *s2);
+int hfsplus_strcmp(const struct hfsplus_unistr *s1,
+ const struct hfsplus_unistr *s2);
+int hfsplus_uni2asc(struct super_block *sb, const struct hfsplus_unistr *ustr,
+ char *astr, int *len_p);
+int hfsplus_asc2uni(struct super_block *sb, struct hfsplus_unistr *ustr,
+ int max_unistr_len, const char *astr, int len);
+int hfsplus_hash_dentry(const struct dentry *dentry, struct qstr *str);
int hfsplus_compare_dentry(const struct dentry *parent,
- const struct inode *pinode,
- const struct dentry *dentry, const struct inode *inode,
- unsigned int len, const char *str, const struct qstr *name);
+ const struct dentry *dentry, unsigned int len,
+ const char *str, const struct qstr *name);
/* wrapper.c */
-int hfsplus_read_wrapper(struct super_block *);
-int hfs_part_find(struct super_block *, sector_t *, sector_t *);
-int hfsplus_submit_bio(struct super_block *sb, sector_t sector,
- void *buf, void **data, int rw);
+int hfsplus_submit_bio(struct super_block *sb, sector_t sector, void *buf,
+ void **data, int rw);
+int hfsplus_read_wrapper(struct super_block *sb);
/* time macros */
#define __hfsp_mt2ut(t) (be32_to_cpu(t) - 2082844800U)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 21:55:38 +0000