*
*/
+/* 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 FS_IOC_GETFLAGS
+#define REISERFS_IOC_SETFLAGS FS_IOC_SETFLAGS
+#define REISERFS_IOC_GETVERSION FS_IOC_GETVERSION
+#define REISERFS_IOC_SETVERSION FS_IOC_SETVERSION
+
+#ifdef __KERNEL__
+/* 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. The write lock is a per superblock
+ * special mutex that has properties close to the Big Kernel Lock
+ * which was used in the previous locking scheme.
+ */
+void reiserfs_write_lock(struct super_block *s);
+void reiserfs_write_unlock(struct super_block *s);
+int reiserfs_write_lock_once(struct super_block *s);
+void reiserfs_write_unlock_once(struct super_block *s, int lock_depth);
+
+/*
+ * Several mutexes depend on the write lock.
+ * However sometimes we want to relax the write lock while we hold
+ * these mutexes, according to the release/reacquire on schedule()
+ * properties of the Bkl that were used.
+ * Reiserfs performances and locking were based on this scheme.
+ * Now that the write lock is a mutex and not the bkl anymore, doing so
+ * may result in a deadlock:
+ *
+ * A acquire write_lock
+ * A acquire j_commit_mutex
+ * A release write_lock and wait for something
+ * B acquire write_lock
+ * B can't acquire j_commit_mutex and sleep
+ * A can't acquire write lock anymore
+ * deadlock
+ *
+ * What we do here is avoiding such deadlock by playing the same game
+ * than the Bkl: if we can't acquire a mutex that depends on the write lock,
+ * we release the write lock, wait a bit and then retry.
+ *
+ * The mutexes concerned by this hack are:
+ * - The commit mutex of a journal list
+ * - The flush mutex
+ * - The journal lock
+ * - The inode mutex
+ */
+static inline void reiserfs_mutex_lock_safe(struct mutex *m,
+ struct super_block *s)
+{
+ reiserfs_write_unlock(s);
+ mutex_lock(m);
+ reiserfs_write_lock(s);
+}
+
+/*
+ * When we schedule, we usually want to also release the write lock,
+ * according to the previous bkl based locking scheme of reiserfs.
+ */
+static inline void reiserfs_cond_resched(struct super_block *s)
+{
+ if (need_resched()) {
+ reiserfs_write_unlock(s);
+ schedule();
+ reiserfs_write_lock(s);
+ }
+}
+
+struct fid;
+
/* in reading the #defines, it may help to understand that they employ
the following abbreviations:
*/
#define REISERFS_DEBUG_CODE 5 /* extra messages to help find/debug errors */
-void reiserfs_warning(struct super_block *s, const char *fmt, ...);
+void __reiserfs_warning(struct super_block *s, const char *id,
+ const char *func, const char *fmt, ...);
+#define reiserfs_warning(s, id, fmt, args...) \
+ __reiserfs_warning(s, id, __func__, fmt, ##args)
/* assertions handling */
/** always check a condition and panic if it's false. */
-#define __RASSERT( cond, scond, format, args... ) \
-if( !( cond ) ) \
- reiserfs_panic( NULL, "reiserfs[%i]: assertion " scond " failed at " \
- __FILE__ ":%i:%s: " format "\n", \
- in_interrupt() ? -1 : current -> pid, __LINE__ , __FUNCTION__ , ##args )
+#define __RASSERT(cond, scond, format, args...) \
+do { \
+ if (!(cond)) \
+ reiserfs_panic(NULL, "assertion failure", "(" #cond ") at " \
+ __FILE__ ":%i:%s: " format "\n", \
+ in_interrupt() ? -1 : task_pid_nr(current), \
+ __LINE__, __func__ , ##args); \
+} while (0)
#define RASSERT(cond, format, args...) __RASSERT(cond, #cond, format, ##args)
__le32 s_flags; /* Right now used only by inode-attributes, if enabled */
unsigned char s_uuid[16]; /* filesystem unique identifier */
unsigned char s_label[16]; /* filesystem volume label */
- char s_unused[88]; /* zero filled by mkreiserfs and
+ __le16 s_mnt_count; /* Count of mounts since last fsck */
+ __le16 s_max_mnt_count; /* Maximum mounts before check */
+ __le32 s_lastcheck; /* Timestamp of last fsck */
+ __le32 s_check_interval; /* Interval between checks */
+ char s_unused[76]; /* zero filled by mkreiserfs and
* reiserfs_convert_objectid_map_v1()
* so any additions must be updated
* there as well. */
return sb->s_fs_info;
}
+/* Don't trust REISERFS_SB(sb)->s_bmap_nr, it's a u16
+ * which overflows on large file systems. */
+static inline __u32 reiserfs_bmap_count(struct super_block *sb)
+{
+ return (SB_BLOCK_COUNT(sb) - 1) / (sb->s_blocksize * 8) + 1;
+}
+
+static inline int bmap_would_wrap(unsigned bmap_nr)
+{
+ return bmap_nr > ((1LL << 16) - 1);
+}
+
/** this says about version of key of all items (but stat data) the
object consists of */
#define get_inode_item_key_version( inode ) \
** p is the array of __u32, i is the index into the array, v is the value
** to store there.
*/
-#define get_block_num(p, i) le32_to_cpu(get_unaligned((p) + (i)))
-#define put_block_num(p, i, v) put_unaligned(cpu_to_le32(v), (p) + (i))
+#define get_block_num(p, i) get_unaligned_le32((p) + (i))
+#define put_block_num(p, i, v) put_unaligned_le32((v), (p) + (i))
//
// in old version uniqueness field shows key type
return TYPE_DIRECT;
case V1_DIRENTRY_UNIQUENESS:
return TYPE_DIRENTRY;
- default:
- reiserfs_warning(NULL, "vs-500: unknown uniqueness %d",
- uniqueness);
case V1_ANY_UNIQUENESS:
+ default:
return TYPE_ANY;
}
}
return V1_DIRECT_UNIQUENESS;
case TYPE_DIRENTRY:
return V1_DIRENTRY_UNIQUENESS;
- default:
- reiserfs_warning(NULL, "vs-501: unknown type %d", type);
case TYPE_ANY:
+ default:
return V1_ANY_UNIQUENESS;
}
}
cpu_to_le32(type2uniqueness(type)))
: (void)(set_offset_v2_k_type(&(key->u.k_offset_v2), type));
}
+
static inline void set_le_ih_k_type(struct item_head *ih, int type)
{
set_le_key_k_type(ih_version(ih), &(ih->ih_key), type);
}
-#define is_direntry_le_key(version,key) (le_key_k_type (version, key) == TYPE_DIRENTRY)
-#define is_direct_le_key(version,key) (le_key_k_type (version, key) == TYPE_DIRECT)
-#define is_indirect_le_key(version,key) (le_key_k_type (version, key) == TYPE_INDIRECT)
-#define is_statdata_le_key(version,key) (le_key_k_type (version, key) == TYPE_STAT_DATA)
+static inline int is_direntry_le_key(int version, struct reiserfs_key *key)
+{
+ return le_key_k_type(version, key) == TYPE_DIRENTRY;
+}
+
+static inline int is_direct_le_key(int version, struct reiserfs_key *key)
+{
+ return le_key_k_type(version, key) == TYPE_DIRECT;
+}
+
+static inline int is_indirect_le_key(int version, struct reiserfs_key *key)
+{
+ return le_key_k_type(version, key) == TYPE_INDIRECT;
+}
+
+static inline int is_statdata_le_key(int version, struct reiserfs_key *key)
+{
+ return le_key_k_type(version, key) == TYPE_STAT_DATA;
+}
//
// item header has version.
//
-#define is_direntry_le_ih(ih) is_direntry_le_key (ih_version (ih), &((ih)->ih_key))
-#define is_direct_le_ih(ih) is_direct_le_key (ih_version (ih), &((ih)->ih_key))
-#define is_indirect_le_ih(ih) is_indirect_le_key (ih_version(ih), &((ih)->ih_key))
-#define is_statdata_le_ih(ih) is_statdata_le_key (ih_version (ih), &((ih)->ih_key))
+static inline int is_direntry_le_ih(struct item_head *ih)
+{
+ return is_direntry_le_key(ih_version(ih), &ih->ih_key);
+}
+
+static inline int is_direct_le_ih(struct item_head *ih)
+{
+ return is_direct_le_key(ih_version(ih), &ih->ih_key);
+}
+
+static inline int is_indirect_le_ih(struct item_head *ih)
+{
+ return is_indirect_le_key(ih_version(ih), &ih->ih_key);
+}
+
+static inline int is_statdata_le_ih(struct item_head *ih)
+{
+ return is_statdata_le_key(ih_version(ih), &ih->ih_key);
+}
//
// key is pointer to cpu key, result is cpu
#define is_indirect_cpu_ih(ih) (is_indirect_cpu_key (&((ih)->ih_key)))
#define is_statdata_cpu_ih(ih) (is_statdata_cpu_key (&((ih)->ih_key)))
-#define I_K_KEY_IN_ITEM(p_s_ih, p_s_key, n_blocksize) \
- ( ! COMP_SHORT_KEYS(p_s_ih, p_s_key) && \
- I_OFF_BYTE_IN_ITEM(p_s_ih, k_offset (p_s_key), n_blocksize) )
+#define I_K_KEY_IN_ITEM(ih, key, n_blocksize) \
+ (!COMP_SHORT_KEYS(ih, key) && \
+ I_OFF_BYTE_IN_ITEM(ih, k_offset(key), n_blocksize))
/* maximal length of item */
#define MAX_ITEM_LEN(block_size) (block_size - BLKH_SIZE - IH_SIZE)
/* object identifier for root dir */
#define REISERFS_ROOT_OBJECTID 2
#define REISERFS_ROOT_PARENT_OBJECTID 1
+
extern struct reiserfs_key root_key;
/*
#define DISK_LEAF_NODE_LEVEL 1 /* Leaf node level. */
/* Given the buffer head of a formatted node, resolve to the block head of that node. */
-#define B_BLK_HEAD(p_s_bh) ((struct block_head *)((p_s_bh)->b_data))
+#define B_BLK_HEAD(bh) ((struct block_head *)((bh)->b_data))
/* Number of items that are in buffer. */
-#define B_NR_ITEMS(p_s_bh) (blkh_nr_item(B_BLK_HEAD(p_s_bh)))
-#define B_LEVEL(p_s_bh) (blkh_level(B_BLK_HEAD(p_s_bh)))
-#define B_FREE_SPACE(p_s_bh) (blkh_free_space(B_BLK_HEAD(p_s_bh)))
+#define B_NR_ITEMS(bh) (blkh_nr_item(B_BLK_HEAD(bh)))
+#define B_LEVEL(bh) (blkh_level(B_BLK_HEAD(bh)))
+#define B_FREE_SPACE(bh) (blkh_free_space(B_BLK_HEAD(bh)))
-#define PUT_B_NR_ITEMS(p_s_bh,val) do { set_blkh_nr_item(B_BLK_HEAD(p_s_bh),val); } while (0)
-#define PUT_B_LEVEL(p_s_bh,val) do { set_blkh_level(B_BLK_HEAD(p_s_bh),val); } while (0)
-#define PUT_B_FREE_SPACE(p_s_bh,val) do { set_blkh_free_space(B_BLK_HEAD(p_s_bh),val); } while (0)
+#define PUT_B_NR_ITEMS(bh, val) do { set_blkh_nr_item(B_BLK_HEAD(bh), val); } while (0)
+#define PUT_B_LEVEL(bh, val) do { set_blkh_level(B_BLK_HEAD(bh), val); } while (0)
+#define PUT_B_FREE_SPACE(bh, val) do { set_blkh_free_space(B_BLK_HEAD(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(bh) (&(blk_right_delim_key(B_BLK_HEAD(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 B_IS_ITEMS_LEVEL(bh) (B_LEVEL(bh) == DISK_LEAF_NODE_LEVEL)
/* Does the buffer contain a disk internal node */
-#define B_IS_KEYS_LEVEL(p_s_bh) (B_LEVEL(p_s_bh) > DISK_LEAF_NODE_LEVEL \
- && B_LEVEL(p_s_bh) <= MAX_HEIGHT)
+#define B_IS_KEYS_LEVEL(bh) (B_LEVEL(bh) > DISK_LEAF_NODE_LEVEL \
+ && B_LEVEL(bh) <= MAX_HEIGHT)
/***************************************************************************/
/* STAT DATA */
#define put_dc_size(dc_p, val) do { (dc_p)->dc_size = cpu_to_le16(val); } while(0)
/* Get disk child by buffer header and position in the tree node. */
-#define B_N_CHILD(p_s_bh,n_pos) ((struct disk_child *)\
-((p_s_bh)->b_data+BLKH_SIZE+B_NR_ITEMS(p_s_bh)*KEY_SIZE+DC_SIZE*(n_pos)))
+#define B_N_CHILD(bh, n_pos) ((struct disk_child *)\
+((bh)->b_data + BLKH_SIZE + B_NR_ITEMS(bh) * KEY_SIZE + DC_SIZE * (n_pos)))
/* Get disk child number by buffer header and position in the tree node. */
-#define B_N_CHILD_NUM(p_s_bh,n_pos) (dc_block_number(B_N_CHILD(p_s_bh,n_pos)))
-#define PUT_B_N_CHILD_NUM(p_s_bh,n_pos, val) (put_dc_block_number(B_N_CHILD(p_s_bh,n_pos), val ))
+#define B_N_CHILD_NUM(bh, n_pos) (dc_block_number(B_N_CHILD(bh, n_pos)))
+#define PUT_B_N_CHILD_NUM(bh, n_pos, val) \
+ (put_dc_block_number(B_N_CHILD(bh, n_pos), val))
/* maximal value of field child_size in structure disk_child */
/* child size is the combined size of all items and their headers */
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))
+#define PATH_OFFSET_PELEMENT(path, n_offset) ((path)->path_elements + (n_offset))
/* Get buffer header at the path by path and path position. */
-#define PATH_OFFSET_PBUFFER(p_s_path,n_offset) (PATH_OFFSET_PELEMENT(p_s_path,n_offset)->pe_buffer)
+#define PATH_OFFSET_PBUFFER(path, n_offset) (PATH_OFFSET_PELEMENT(path, n_offset)->pe_buffer)
/* Get position in the element at the path by path and path position. */
-#define PATH_OFFSET_POSITION(p_s_path,n_offset) (PATH_OFFSET_PELEMENT(p_s_path,n_offset)->pe_position)
+#define PATH_OFFSET_POSITION(path, n_offset) (PATH_OFFSET_PELEMENT(path, n_offset)->pe_position)
-#define PATH_PLAST_BUFFER(p_s_path) (PATH_OFFSET_PBUFFER((p_s_path), (p_s_path)->path_length))
+#define PATH_PLAST_BUFFER(path) (PATH_OFFSET_PBUFFER((path), (path)->path_length))
/* you know, to the person who didn't
write this the macro name does not
at first suggest what it does.
Maybe POSITION_FROM_PATH_END? Or
maybe we should just focus on
dumping paths... -Hans */
-#define PATH_LAST_POSITION(p_s_path) (PATH_OFFSET_POSITION((p_s_path), (p_s_path)->path_length))
+#define PATH_LAST_POSITION(path) (PATH_OFFSET_POSITION((path), (path)->path_length))
-#define PATH_PITEM_HEAD(p_s_path) B_N_PITEM_HEAD(PATH_PLAST_BUFFER(p_s_path),PATH_LAST_POSITION(p_s_path))
+#define PATH_PITEM_HEAD(path) B_N_PITEM_HEAD(PATH_PLAST_BUFFER(path), PATH_LAST_POSITION(path))
/* in do_balance leaf has h == 0 in contrast with path structure,
where root has level == 0. That is why we need these defines */
-#define PATH_H_PBUFFER(p_s_path, h) PATH_OFFSET_PBUFFER (p_s_path, p_s_path->path_length - (h)) /* tb->S[h] */
+#define PATH_H_PBUFFER(path, h) PATH_OFFSET_PBUFFER (path, path->path_length - (h)) /* tb->S[h] */
#define PATH_H_PPARENT(path, h) PATH_H_PBUFFER (path, (h) + 1) /* tb->F[h] or tb->S[0]->b_parent */
#define PATH_H_POSITION(path, h) PATH_OFFSET_POSITION (path, path->path_length - (h))
#define PATH_H_B_ITEM_ORDER(path, h) PATH_H_POSITION(path, h + 1) /* tb->S[h]->b_item_order */
-#define PATH_H_PATH_OFFSET(p_s_path, n_h) ((p_s_path)->path_length - (n_h))
+#define PATH_H_PATH_OFFSET(path, n_h) ((path)->path_length - (n_h))
#define get_last_bh(path) PATH_PLAST_BUFFER(path)
#define get_ih(path) PATH_PITEM_HEAD(path)
#define get_generation(s) atomic_read (&fs_generation(s))
#define FILESYSTEM_CHANGED_TB(tb) (get_generation((tb)->tb_sb) != (tb)->fs_gen)
#define __fs_changed(gen,s) (gen != get_generation (s))
-#define fs_changed(gen,s) ({cond_resched(); __fs_changed(gen, s);})
+#define fs_changed(gen,s) \
+({ \
+ reiserfs_cond_resched(s); \
+ __fs_changed(gen, s); \
+})
/***************************************************************************/
/* FIXATE NODES */
int bi_position;
};
+static inline struct super_block *sb_from_tb(struct tree_balance *tb)
+{
+ return tb ? tb->tb_sb : NULL;
+}
+
+static inline struct super_block *sb_from_bi(struct buffer_info *bi)
+{
+ return bi ? sb_from_tb(bi->tb) : NULL;
+}
+
/* there are 4 types of items: stat data, directory item, indirect, direct.
+-------------------+------------+--------------+------------+
| | k_offset | k_uniqueness | mergeable? |
#define COMP_SHORT_KEYS comp_short_keys
/* number of blocks pointed to by the indirect item */
-#define I_UNFM_NUM(p_s_ih) ( ih_item_len(p_s_ih) / UNFM_P_SIZE )
+#define I_UNFM_NUM(ih) (ih_item_len(ih) / UNFM_P_SIZE)
/* the used space within the unformatted node corresponding to pos within the item pointed to by ih */
#define I_POS_UNFM_SIZE(ih,pos,size) (((pos) == I_UNFM_NUM(ih) - 1 ) ? (size) - ih_free_space(ih) : (size))
/* FUNCTION DECLARATIONS */
/***************************************************************************/
-/*#ifdef __KERNEL__*/
#define get_journal_desc_magic(bh) (bh->b_data + bh->b_size - 12)
#define journal_trans_half(blocksize) \
#define JOURNAL_MAX_COMMIT_AGE 30
#define JOURNAL_MAX_TRANS_AGE 30
#define JOURNAL_PER_BALANCE_CNT (3 * (MAX_HEIGHT-2) + 9)
+#define JOURNAL_BLOCKS_PER_OBJECT(sb) (JOURNAL_PER_BALANCE_CNT * 3 + \
+ 2 * (REISERFS_QUOTA_INIT_BLOCKS(sb) + \
+ REISERFS_QUOTA_TRANS_BLOCKS(sb)))
+
#ifdef CONFIG_QUOTA
/* We need to update data and inode (atime) */
#define REISERFS_QUOTA_TRANS_BLOCKS(s) (REISERFS_SB(s)->s_mount_opt & (1<<REISERFS_QUOTA) ? 2 : 0)
int t_refcount;
int t_blocks_logged; /* number of blocks this writer has logged */
int t_blocks_allocated; /* number of blocks this writer allocated */
- unsigned long t_trans_id; /* sanity check, equals the current trans id */
+ unsigned int t_trans_id; /* sanity check, equals the current trans id */
void *t_handle_save; /* save existing current->journal_info */
unsigned displace_new_blocks:1; /* if new block allocation occurres, that block
should be displaced from others */
int journal_mark_freed(struct reiserfs_transaction_handle *,
struct super_block *, b_blocknr_t blocknr);
int journal_transaction_should_end(struct reiserfs_transaction_handle *, int);
-int reiserfs_in_journal(struct super_block *p_s_sb, unsigned int bmap_nr,
- int bit_nr, int searchall, b_blocknr_t *next);
+int reiserfs_in_journal(struct super_block *sb, unsigned int bmap_nr,
+ int bit_nr, int searchall, b_blocknr_t *next);
int journal_begin(struct reiserfs_transaction_handle *,
- struct super_block *p_s_sb, unsigned long);
+ struct super_block *sb, unsigned long);
int journal_join_abort(struct reiserfs_transaction_handle *,
- struct super_block *p_s_sb, unsigned long);
-void reiserfs_journal_abort(struct super_block *sb, int errno);
+ struct super_block *sb, unsigned long);
+void reiserfs_abort_journal(struct super_block *sb, int errno);
void reiserfs_abort(struct super_block *sb, int errno, const char *fmt, ...);
int reiserfs_allocate_list_bitmaps(struct super_block *s,
struct reiserfs_list_bitmap *, unsigned int);
/* stree.c */
int B_IS_IN_TREE(const struct buffer_head *);
-extern void copy_item_head(struct item_head *p_v_to,
- const struct item_head *p_v_from);
+extern void copy_item_head(struct item_head *to,
+ const struct item_head *from);
// first key is in cpu form, second - le
extern int comp_short_keys(const struct reiserfs_key *le_key,
memcpy(to, from, KEY_SIZE);
}
-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 comp_items(const struct item_head *stored_ih, const struct treepath *path);
+const struct reiserfs_key *get_rkey(const struct treepath *chk_path,
+ const struct super_block *sb);
int search_by_key(struct super_block *, const struct cpu_key *,
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 treepath *p_s_search_path);
-extern void decrement_bcount(struct buffer_head *p_s_bh);
-void decrement_counters_in_path(struct treepath *p_s_search_path);
-void pathrelse(struct treepath *p_s_search_path);
+int search_for_position_by_key(struct super_block *sb,
+ const struct cpu_key *cpu_key,
+ struct treepath *search_path);
+extern void decrement_bcount(struct buffer_head *bh);
+void decrement_counters_in_path(struct treepath *search_path);
+void pathrelse(struct treepath *search_path);
int reiserfs_check_path(struct treepath *p);
-void pathrelse_and_restore(struct super_block *s, struct treepath *p_s_search_path);
+void pathrelse_and_restore(struct super_block *s, struct treepath *search_path);
int reiserfs_insert_item(struct reiserfs_transaction_handle *th,
struct treepath *path,
int reiserfs_delete_item(struct reiserfs_transaction_handle *th,
struct treepath *path,
const struct cpu_key *key,
- struct inode *inode, struct buffer_head *p_s_un_bh);
+ struct inode *inode, struct buffer_head *un_bh);
void reiserfs_delete_solid_item(struct reiserfs_transaction_handle *th,
struct inode *inode, struct reiserfs_key *key);
int reiserfs_delete_object(struct reiserfs_transaction_handle *th,
- struct inode *p_s_inode);
+ struct inode *inode);
int reiserfs_do_truncate(struct reiserfs_transaction_handle *th,
- struct inode *p_s_inode, struct page *,
+ struct inode *inode, struct page *,
int update_timestamps);
#define i_block_size(inode) ((inode)->i_sb->s_blocksize)
int reiserfs_write_inode(struct inode *inode, int);
int reiserfs_get_block(struct inode *inode, sector_t block,
struct buffer_head *bh_result, int create);
-struct dentry *reiserfs_get_dentry(struct super_block *, void *);
-struct dentry *reiserfs_decode_fh(struct super_block *sb, __u32 * data,
- int len, int fhtype,
- int (*acceptable) (void *contect,
- struct dentry * de),
- void *context);
+struct dentry *reiserfs_fh_to_dentry(struct super_block *sb, struct fid *fid,
+ int fh_len, int fh_type);
+struct dentry *reiserfs_fh_to_parent(struct super_block *sb, struct fid *fid,
+ int fh_len, int fh_type);
int reiserfs_encode_fh(struct dentry *dentry, __u32 * data, int *lenp,
int connectable);
loff_t offset, int type, int length, int entry_count);
struct inode *reiserfs_iget(struct super_block *s, const struct cpu_key *key);
+struct reiserfs_security_handle;
int reiserfs_new_inode(struct reiserfs_transaction_handle *th,
struct inode *dir, int mode,
const char *symname, loff_t i_size,
- struct dentry *dentry, struct inode *inode);
+ struct dentry *dentry, struct inode *inode,
+ struct reiserfs_security_handle *security);
void reiserfs_update_sd_size(struct reiserfs_transaction_handle *th,
struct inode *inode, loff_t size);
int search_by_entry_key(struct super_block *sb, const struct cpu_key *key,
struct treepath *path, struct reiserfs_dir_entry *de);
struct dentry *reiserfs_get_parent(struct dentry *);
-/* procfs.c */
-
-#if defined( CONFIG_PROC_FS ) && defined( CONFIG_REISERFS_PROC_INFO )
-#define REISERFS_PROC_INFO
-#else
-#undef REISERFS_PROC_INFO
-#endif
+#ifdef CONFIG_REISERFS_PROC_INFO
int reiserfs_proc_info_init(struct super_block *sb);
int reiserfs_proc_info_done(struct super_block *sb);
-struct proc_dir_entry *reiserfs_proc_register_global(char *name,
- read_proc_t * func);
-void reiserfs_proc_unregister_global(const char *name);
int reiserfs_proc_info_global_init(void);
int reiserfs_proc_info_global_done(void);
-int reiserfs_global_version_in_proc(char *buffer, char **start, off_t offset,
- int count, int *eof, void *data);
-
-#if defined( REISERFS_PROC_INFO )
#define PROC_EXP( e ) e
PROC_INFO_ADD( sb, free_at[ ( level ) ], B_FREE_SPACE( bh ) ); \
PROC_INFO_ADD( sb, items_at[ ( level ) ], B_NR_ITEMS( bh ) )
#else
+static inline int reiserfs_proc_info_init(struct super_block *sb)
+{
+ return 0;
+}
+
+static inline int reiserfs_proc_info_done(struct super_block *sb)
+{
+ return 0;
+}
+
+static inline int reiserfs_proc_info_global_init(void)
+{
+ return 0;
+}
+
+static inline int reiserfs_proc_info_global_done(void)
+{
+ return 0;
+}
+
#define PROC_EXP( e )
#define VOID_V ( ( void ) 0 )
#define PROC_INFO_MAX( sb, field, value ) VOID_V
#define PROC_INFO_INC( sb, field ) VOID_V
#define PROC_INFO_ADD( sb, field, val ) VOID_V
-#define PROC_INFO_BH_STAT( p_s_sb, p_s_bh, n_node_level ) VOID_V
+#define PROC_INFO_BH_STAT(sb, bh, n_node_level) VOID_V
#endif
/* dir.c */
extern const struct inode_operations reiserfs_symlink_inode_operations;
extern const struct inode_operations reiserfs_special_inode_operations;
extern const struct file_operations reiserfs_dir_operations;
+int reiserfs_readdir_dentry(struct dentry *, void *, filldir_t, loff_t *);
/* tail_conversion.c */
int direct2indirect(struct reiserfs_transaction_handle *, struct inode *,
/* fix_nodes.c */
-int fix_nodes(int n_op_mode, struct tree_balance *p_s_tb,
- struct item_head *p_s_ins_ih, const void *);
+int fix_nodes(int n_op_mode, struct tree_balance *tb,
+ struct item_head *ins_ih, const void *);
void unfix_nodes(struct tree_balance *);
/* prints.c */
-void reiserfs_panic(struct super_block *s, const char *fmt, ...)
+void __reiserfs_panic(struct super_block *s, const char *id,
+ const char *function, const char *fmt, ...)
__attribute__ ((noreturn));
+#define reiserfs_panic(s, id, fmt, args...) \
+ __reiserfs_panic(s, id, __func__, fmt, ##args)
+void __reiserfs_error(struct super_block *s, const char *id,
+ const char *function, const char *fmt, ...);
+#define reiserfs_error(s, id, fmt, args...) \
+ __reiserfs_error(s, id, __func__, fmt, ##args)
void reiserfs_info(struct super_block *s, const char *fmt, ...);
void reiserfs_debug(struct super_block *s, int level, const char *fmt, ...);
void print_indirect_item(struct buffer_head *bh, int item_num);
int zeros_number);
void leaf_cut_from_buffer(struct buffer_info *bi, int cut_item_num,
int pos_in_item, int cut_size);
-void leaf_paste_entries(struct buffer_head *bh, int item_num, int before,
+void leaf_paste_entries(struct buffer_info *bi, int item_num, int before,
int new_entry_count, struct reiserfs_de_head *new_dehs,
const char *records, int paste_size);
/* ibalance.c */
#define SPARE_SPACE 500
/* prototypes from ioctl.c */
-int reiserfs_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg);
+long reiserfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
long reiserfs_compat_ioctl(struct file *filp,
unsigned int cmd, unsigned long arg);
+int reiserfs_unpack(struct inode *inode, struct file *filp);
-/* 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 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
- would evolve into real per-fs locks */
-#define reiserfs_write_lock( sb ) lock_kernel()
-#define reiserfs_write_unlock( sb ) unlock_kernel()
-
-/* xattr stuff */
-#define REISERFS_XATTR_DIR_SEM(s) (REISERFS_SB(s)->xattr_dir_sem)
+#endif /* __KERNEL__ */
#endif /* _LINUX_REISER_FS_H */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff