#define _LINUX_REISER_FS_H
#include <linux/types.h>
+#include <linux/magic.h>
+
#ifdef __KERNEL__
#include <linux/slab.h>
#include <linux/interrupt.h>
((!is_reiserfs_jr(SB_DISK_SUPER_BLOCK(s)) ? \
SB_ONDISK_JOURNAL_SIZE(s) + 1 : SB_ONDISK_RESERVED_FOR_JOURNAL(s)))
- /* used by gcc */
-#define REISERFS_SUPER_MAGIC 0x52654973
- /* used by file system utilities that
- look at the superblock, etc. */
-#define REISERFS_SUPER_MAGIC_STRING "ReIsErFs"
-#define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs"
-#define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs"
-
int is_reiserfs_3_5(struct reiserfs_super_block *rs);
int is_reiserfs_3_6(struct reiserfs_super_block *rs);
int is_reiserfs_jr(struct reiserfs_super_block *rs);
#define PUT_B_FREE_SPACE(p_s_bh,val) do { set_blkh_free_space(B_BLK_HEAD(p_s_bh),val); } while (0)
/* Get right delimiting key. -- little endian */
-#define B_PRIGHT_DELIM_KEY(p_s_bh) (&(blk_right_delim_key(B_BLK_HEAD(p_s_bh))
+#define B_PRIGHT_DELIM_KEY(p_s_bh) (&(blk_right_delim_key(B_BLK_HEAD(p_s_bh))))
/* Does the buffer contain a disk leaf. */
#define B_IS_ITEMS_LEVEL(p_s_bh) (B_LEVEL(p_s_bh) == DISK_LEAF_NODE_LEVEL)
#define set_sd_v1_first_direct_byte(sdp,v) \
((sdp)->sd_first_direct_byte = cpu_to_le32(v))
-#include <linux/ext2_fs.h>
-
/* inode flags stored in sd_attrs (nee sd_reserved) */
/* we want common flags to have the same values as in ext2,
so chattr(1) will work without problems */
-#define REISERFS_IMMUTABLE_FL EXT2_IMMUTABLE_FL
-#define REISERFS_APPEND_FL EXT2_APPEND_FL
-#define REISERFS_SYNC_FL EXT2_SYNC_FL
-#define REISERFS_NOATIME_FL EXT2_NOATIME_FL
-#define REISERFS_NODUMP_FL EXT2_NODUMP_FL
-#define REISERFS_SECRM_FL EXT2_SECRM_FL
-#define REISERFS_UNRM_FL EXT2_UNRM_FL
-#define REISERFS_COMPR_FL EXT2_COMPR_FL
-#define REISERFS_NOTAIL_FL EXT2_NOTAIL_FL
+#define REISERFS_IMMUTABLE_FL FS_IMMUTABLE_FL
+#define REISERFS_APPEND_FL FS_APPEND_FL
+#define REISERFS_SYNC_FL FS_SYNC_FL
+#define REISERFS_NOATIME_FL FS_NOATIME_FL
+#define REISERFS_NODUMP_FL FS_NODUMP_FL
+#define REISERFS_SECRM_FL FS_SECRM_FL
+#define REISERFS_UNRM_FL FS_UNRM_FL
+#define REISERFS_COMPR_FL FS_COMPR_FL
+#define REISERFS_NOTAIL_FL FS_NOTAIL_FL
/* unfortunately reiserfs sdattr is only 16 bit */
-#define REISERFS_BARRIER_FL (EXT2_BARRIER_FL >> 16)
-#define REISERFS_IUNLINK_FL (EXT2_IUNLINK_FL >> 16)
-
-#ifdef CONFIG_VSERVER_LEGACY
-#define REISERFS_FL_USER_VISIBLE (REISERFS_IUNLINK_FL|0x80FF)
-#define REISERFS_FL_USER_MODIFIABLE (REISERFS_IUNLINK_FL|0x80FF)
-#else
-#define REISERFS_FL_USER_VISIBLE 0x80FF
-#define REISERFS_FL_USER_MODIFIABLE 0x80FF
-#endif
+#define REISERFS_BARRIER_FL (FS_BARRIER_FL >> 16)
+#define REISERFS_IUNLINK_FL (FS_IUNLINK_FL >> 16)
/* persistent flags that file inherits from the parent directory */
#define REISERFS_INHERIT_MASK ( REISERFS_IMMUTABLE_FL | \
REISERFS_COMPR_FL | \
REISERFS_NOTAIL_FL )
+#ifdef CONFIG_VSERVER_LEGACY
+#define REISERFS_FL_USER_VISIBLE (REISERFS_IUNLINK_FL|0x80FF)
+#define REISERFS_FL_USER_MODIFIABLE (REISERFS_IUNLINK_FL|0x80FF)
+#else
+#define REISERFS_FL_USER_VISIBLE 0x80FF
+#define REISERFS_FL_USER_MODIFIABLE 0x80FF
+#endif
+
/* Stat Data on disk (reiserfs version of UFS disk inode minus the
address blocks) */
struct stat_data {
#define PATH_READA 0x1 /* do read ahead */
#define PATH_READA_BACK 0x2 /* read backwards */
-struct path {
+struct treepath {
int path_length; /* Length of the array above. */
int reada;
struct path_element path_elements[EXTENDED_MAX_HEIGHT]; /* Array of the path elements. */
#define pos_in_item(path) ((path)->pos_in_item)
#define INITIALIZE_PATH(var) \
-struct path var = {.path_length = ILLEGAL_PATH_ELEMENT_OFFSET, .reada = 0,}
+struct treepath var = {.path_length = ILLEGAL_PATH_ELEMENT_OFFSET, .reada = 0,}
/* Get path element by path and path position. */
#define PATH_OFFSET_PELEMENT(p_s_path,n_offset) ((p_s_path)->path_elements +(n_offset))
int need_balance_dirty;
struct super_block *tb_sb;
struct reiserfs_transaction_handle *transaction_handle;
- struct path *tb_path;
+ struct treepath *tb_path;
struct buffer_head *L[MAX_HEIGHT]; /* array of left neighbors of nodes in the path */
struct buffer_head *R[MAX_HEIGHT]; /* array of right neighbors of nodes in the path */
struct buffer_head *FL[MAX_HEIGHT]; /* array of fathers of the left neighbors */
return 0;
}
+static inline int reiserfs_transaction_free_space(struct reiserfs_transaction_handle *th)
+{
+ return th->t_blocks_allocated - th->t_blocks_logged;
+}
+
int reiserfs_async_progress_wait(struct super_block *s);
struct reiserfs_transaction_handle *reiserfs_persistent_transaction(struct
memcpy(to, from, KEY_SIZE);
}
-int comp_items(const struct item_head *stored_ih, const struct path *p_s_path);
-const struct reiserfs_key *get_rkey(const struct path *p_s_chk_path,
+int comp_items(const struct item_head *stored_ih, const struct treepath *p_s_path);
+const struct reiserfs_key *get_rkey(const struct treepath *p_s_chk_path,
const struct super_block *p_s_sb);
int search_by_key(struct super_block *, const struct cpu_key *,
- struct path *, int);
+ struct treepath *, int);
#define search_item(s,key,path) search_by_key (s, key, path, DISK_LEAF_NODE_LEVEL)
int search_for_position_by_key(struct super_block *p_s_sb,
const struct cpu_key *p_s_cpu_key,
- struct path *p_s_search_path);
+ struct treepath *p_s_search_path);
extern void decrement_bcount(struct buffer_head *p_s_bh);
-void decrement_counters_in_path(struct path *p_s_search_path);
-void pathrelse(struct path *p_s_search_path);
-int reiserfs_check_path(struct path *p);
-void pathrelse_and_restore(struct super_block *s, struct path *p_s_search_path);
+void decrement_counters_in_path(struct treepath *p_s_search_path);
+void pathrelse(struct treepath *p_s_search_path);
+int reiserfs_check_path(struct treepath *p);
+void pathrelse_and_restore(struct super_block *s, struct treepath *p_s_search_path);
int reiserfs_insert_item(struct reiserfs_transaction_handle *th,
- struct path *path,
+ struct treepath *path,
const struct cpu_key *key,
struct item_head *ih,
struct inode *inode, const char *body);
int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th,
- struct path *path,
+ struct treepath *path,
const struct cpu_key *key,
struct inode *inode,
const char *body, int paste_size);
int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
- struct path *path,
+ struct treepath *path,
struct cpu_key *key,
struct inode *inode,
struct page *page, loff_t new_file_size);
int reiserfs_delete_item(struct reiserfs_transaction_handle *th,
- struct path *path,
+ struct treepath *path,
const struct cpu_key *key,
struct inode *inode, struct buffer_head *p_s_un_bh);
#define GET_BLOCK_NO_DANGLE 16 /* don't leave any transactions running */
int restart_transaction(struct reiserfs_transaction_handle *th,
- struct inode *inode, struct path *path);
+ struct inode *inode, struct treepath *path);
void reiserfs_read_locked_inode(struct inode *inode,
struct reiserfs_iget_args *args);
int reiserfs_find_actor(struct inode *inode, void *p);
/* namei.c */
void set_de_name_and_namelen(struct reiserfs_dir_entry *de);
int search_by_entry_key(struct super_block *sb, const struct cpu_key *key,
- struct path *path, struct reiserfs_dir_entry *de);
+ struct treepath *path, struct reiserfs_dir_entry *de);
struct dentry *reiserfs_get_parent(struct dentry *);
/* procfs.c */
extern struct inode_operations reiserfs_dir_inode_operations;
extern struct inode_operations reiserfs_symlink_inode_operations;
extern struct inode_operations reiserfs_special_inode_operations;
-extern struct file_operations reiserfs_dir_operations;
+extern const struct file_operations reiserfs_dir_operations;
/* tail_conversion.c */
int direct2indirect(struct reiserfs_transaction_handle *, struct inode *,
- struct path *, struct buffer_head *, loff_t);
+ struct treepath *, struct buffer_head *, loff_t);
int indirect2direct(struct reiserfs_transaction_handle *, struct inode *,
- struct page *, struct path *, const struct cpu_key *,
+ struct page *, struct treepath *, const struct cpu_key *,
loff_t, char *);
void reiserfs_unmap_buffer(struct buffer_head *);
/* file.c */
extern struct inode_operations reiserfs_file_inode_operations;
-extern struct file_operations reiserfs_file_operations;
-extern struct address_space_operations reiserfs_address_space_operations;
+extern const struct file_operations reiserfs_file_operations;
+extern const struct address_space_operations reiserfs_address_space_operations;
/* fix_nodes.c */
struct inode *inode; /* inode passed to allocator, if we allocate unf. nodes */
long block; /* file offset, in blocks */
struct in_core_key key;
- struct path *path; /* search path, used by allocator to deternine search_start by
+ struct treepath *path; /* search path, used by allocator to deternine search_start by
* various ways */
struct reiserfs_transaction_handle *th; /* transaction handle is needed to log super blocks and
* bitmap blocks changes */
*/
__le32 reiserfs_choose_packing(struct inode *dir);
+int reiserfs_init_bitmap_cache(struct super_block *sb);
+void reiserfs_free_bitmap_cache(struct super_block *sb);
+void reiserfs_cache_bitmap_metadata(struct super_block *sb, struct buffer_head *bh, struct reiserfs_bitmap_info *info);
+struct buffer_head *reiserfs_read_bitmap_block(struct super_block *sb, unsigned int bitmap);
int is_reusable(struct super_block *s, b_blocknr_t block, int bit_value);
void reiserfs_free_block(struct reiserfs_transaction_handle *th, struct inode *,
b_blocknr_t, int for_unformatted);
static inline int reiserfs_new_unf_blocknrs(struct reiserfs_transaction_handle
*th, struct inode *inode,
b_blocknr_t * new_blocknrs,
- struct path *path, long block)
+ struct treepath *path, long block)
{
reiserfs_blocknr_hint_t hint = {
.th = th,
static inline int reiserfs_new_unf_blocknrs2(struct reiserfs_transaction_handle
*th, struct inode *inode,
b_blocknr_t * new_blocknrs,
- struct path *path, long block)
+ struct treepath *path, long block)
{
reiserfs_blocknr_hint_t hint = {
.th = th,
/* prototypes from ioctl.c */
int reiserfs_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
+long reiserfs_compat_ioctl(struct file *filp,
+ unsigned int cmd, unsigned long arg);
/* ioctl's command */
#define REISERFS_IOC_UNPACK _IOW(0xCD,1,long)
/* define following flags to be the same as in ext2, so that chattr(1),
lsattr(1) will work with us. */
-#define REISERFS_IOC_GETFLAGS EXT2_IOC_GETFLAGS
-#define REISERFS_IOC_SETFLAGS EXT2_IOC_SETFLAGS
-#define REISERFS_IOC_GETVERSION EXT2_IOC_GETVERSION
-#define REISERFS_IOC_SETVERSION EXT2_IOC_SETVERSION
+#define REISERFS_IOC_GETFLAGS FS_IOC_GETFLAGS
+#define REISERFS_IOC_SETFLAGS FS_IOC_SETFLAGS
+#define REISERFS_IOC_GETVERSION FS_IOC_GETVERSION
+#define REISERFS_IOC_SETVERSION FS_IOC_SETVERSION
+
+/* the 32 bit compat definitions with int argument */
+#define REISERFS_IOC32_UNPACK _IOW(0xCD, 1, int)
+#define REISERFS_IOC32_GETFLAGS FS_IOC32_GETFLAGS
+#define REISERFS_IOC32_SETFLAGS FS_IOC32_SETFLAGS
+#define REISERFS_IOC32_GETVERSION FS_IOC32_GETVERSION
+#define REISERFS_IOC32_SETVERSION FS_IOC32_SETVERSION
/* Locking primitives */
/* Right now we are still falling back to (un)lock_kernel, but eventually that
git://git.onelab.eu / linux-2.6.git / blobdiff