Merge git://git.infradead.org/~dwmw2/random-2.6

[pandora-kernel.git] / include / linux / reiserfs_fs.h

diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index 8dcf237..e9963af 100644 (file)
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -28,6 +28,8 @@
 #include <linux/reiserfs_fs_sb.h>
 #endif
 
+struct fid;
+
 /*
  *  include/linux/reiser_fs.h
  *
@@ -85,7 +87,7 @@ void reiserfs_warning(struct super_block *s, const char *fmt, ...);
 if( !( cond ) )                                                                \
   reiserfs_panic( NULL, "reiserfs[%i]: assertion " scond " failed at " \
                  __FILE__ ":%i:%s: " format "\n",              \
-                 in_interrupt() ? -1 : current -> pid, __LINE__ , __FUNCTION__ , ##args )
+                 in_interrupt() ? -1 : task_pid_nr(current), __LINE__ , __FUNCTION__ , ##args )
 
 #define RASSERT(cond, format, args...) __RASSERT(cond, #cond, format, ##args)
 
@@ -283,6 +285,18 @@ static inline struct reiserfs_sb_info *REISERFS_SB(const struct super_block *sb)
        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 )                                    \
@@ -512,8 +526,8 @@ struct item_head {
 ** 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
@@ -1734,8 +1748,8 @@ int journal_end_sync(struct reiserfs_transaction_handle *, struct super_block *,
 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, int bmap_nr, int bit_nr,
-                       int searchall, b_blocknr_t * next);
+int reiserfs_in_journal(struct super_block *p_s_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);
 int journal_join_abort(struct reiserfs_transaction_handle *,
@@ -1743,7 +1757,7 @@ int journal_join_abort(struct reiserfs_transaction_handle *,
 void reiserfs_journal_abort(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 *, int);
+                                  struct reiserfs_list_bitmap *, unsigned int);
 
 void add_save_link(struct reiserfs_transaction_handle *th,
                   struct inode *inode, int truncate);
@@ -1865,12 +1879,10 @@ void reiserfs_delete_inode(struct inode *inode);
 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);
 
@@ -2041,7 +2053,7 @@ struct buffer_head *get_FEB(struct tree_balance *);
  * arguments, such as node, search path, transaction_handle, etc. */
 struct __reiserfs_blocknr_hint {
        struct inode *inode;    /* inode passed to allocator, if we allocate unf. nodes */
-       long block;             /* file offset, in blocks */
+       sector_t block;         /* file offset, in blocks */
        struct in_core_key key;
        struct treepath *path;  /* search path, used by allocator to deternine search_start by
                                 * various ways */
@@ -2099,7 +2111,8 @@ static inline int reiserfs_new_form_blocknrs(struct tree_balance *tb,
 static inline int reiserfs_new_unf_blocknrs(struct reiserfs_transaction_handle
                                            *th, struct inode *inode,
                                            b_blocknr_t * new_blocknrs,
-                                           struct treepath *path, long block)
+                                           struct treepath *path,
+                                           sector_t block)
 {
        reiserfs_blocknr_hint_t hint = {
                .th = th,
@@ -2116,7 +2129,8 @@ static inline int reiserfs_new_unf_blocknrs(struct reiserfs_transaction_handle
 static inline int reiserfs_new_unf_blocknrs2(struct reiserfs_transaction_handle
                                             *th, struct inode *inode,
                                             b_blocknr_t * new_blocknrs,
-                                            struct treepath *path, long block)
+                                            struct treepath *path,
+                                            sector_t block)
 {
        reiserfs_blocknr_hint_t hint = {
                .th = th,
@@ -2162,6 +2176,7 @@ 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);
+int reiserfs_unpack(struct inode *inode, struct file *filp);
 
 /* ioctl's command */
 #define REISERFS_IOC_UNPACK            _IOW(0xCD,1,long)