v2.4.6.7 -> v2.4.6.8

  - Chris Mason: reiserfs update
  - Paul Mackerras: PPC updates (softirq)
  - Kai Germaschewski: ISDN updates
  - various: workaround for cpuid inline asm problem with egcs-2.91.66

4 files changed, 19 insertions, 45 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 6f6ef817b059..76bebdc14974 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1069,6 +1069,17 @@ extern void set_buffer_async_io(struct buffer_head *bh) ;
 #define BUF_PROTECTED	3	/* Ramdisk persistent storage */
 #define NR_LIST		4
 
+static inline void get_bh(struct buffer_head * bh)
+{
+        atomic_inc(&(bh)->b_count);
+}
+
+static inline void put_bh(struct buffer_head *bh)
+{
+        smp_mb__before_atomic_dec();
+        atomic_dec(&bh->b_count);
+}
+
 /*
  * This is called by bh->b_end_io() handlers when I/O has completed.
  */
diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index f46154e9fdac..2bd224e60dd6 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -65,6 +65,9 @@
 /* enable journalling */
 #define ENABLE_JOURNAL
 
+#define USE_INODE_GENERATION_COUNTER
+
+
 #ifdef __KERNEL__
 
 /* #define REISERFS_CHECK */
@@ -708,6 +711,7 @@ struct stat_data {
     __u32 sd_blocks;
     union {
 	__u32 sd_rdev;
+	__u32 sd_generation;
       //__u32 sd_first_direct_byte; 
       /* first byte of file which is stored in a
 				       direct item: except that if it equals 1
@@ -1102,7 +1106,7 @@ struct path var = {ILLEGAL_PATH_ELEMENT_OFFSET, }
 
 #define PATH_H_PATH_OFFSET(p_s_path, n_h) ((p_s_path)->path_length - (n_h))
 
-#define get_bh(path) PATH_PLAST_BUFFER(path)
+#define get_last_bh(path) PATH_PLAST_BUFFER(path)
 #define get_ih(path) PATH_PITEM_HEAD(path)
 #define get_item_pos(path) PATH_LAST_POSITION(path)
 #define get_item(path) ((void *)B_N_PITEM(PATH_PLAST_BUFFER(path), PATH_LAST_POSITION (path)))
@@ -1541,29 +1545,6 @@ struct reiserfs_journal_header {
   __u32 j_mount_id ;
 } ;
 
-/* these are used to keep flush pages that contain converted direct items.
-** if the page is not flushed before the transaction that converted it
-** is committed, we risk losing data
-**
-** note, while a page is in this list, its counter is incremented.
-*/
-struct reiserfs_page_list {
-  struct reiserfs_page_list *next ;
-  struct reiserfs_page_list *prev ;
-  struct page *page ;
-  unsigned long blocknr ; /* block number holding converted data */
-
-  /* if a transaction writer has the page locked the flush_page_list
-  ** function doesn't need to (and can't) get the lock while flushing
-  ** the page.  do_not_lock needs to be set by anyone who calls journal_end
-  ** with a page lock held.  They have to look in the inode and see
-  ** if the inode has the page they have locked in the flush list.
-  **
-  ** this sucks.
-  */
-  int do_not_lock ; 
-} ;
-
 extern task_queue reiserfs_commit_thread_tq ;
 extern wait_queue_head_t reiserfs_commit_thread_wait ;
 
diff --git a/include/linux/reiserfs_fs_i.h b/include/linux/reiserfs_fs_i.h
index 39c37e2045c6..a43342f84d56 100644
--- a/include/linux/reiserfs_fs_i.h
+++ b/include/linux/reiserfs_fs_i.h
@@ -3,11 +3,6 @@
 
 #include <linux/list.h>
 
-/* these are used to keep track of the pages that need
-** flushing before the current transaction can commit
-*/
-struct reiserfs_page_list ;
-
 struct reiserfs_inode_info {
   __u32 i_key [4];/* key is still 4 32 bit integers */
   
@@ -22,21 +17,6 @@ struct reiserfs_inode_info {
 
   __u32 i_first_direct_byte; // offset of first byte stored in direct item.
 
-  /* pointer to the page that must be flushed before 
-  ** the current transaction can commit.
-  **
-  ** this pointer is only used when the tail is converted back into
-  ** a direct item, or the file is deleted
-  */
-  struct reiserfs_page_list *i_converted_page ;
-
-  /* we save the id of the transaction when we did the direct->indirect
-  ** conversion.  That allows us to flush the buffers to disk
-  ** without having to update this inode to zero out the converted
-  ** page variable
-  */
-  int i_conversion_trans_id ;
-
 				/* My guess is this contains the first
                                    unused block of a sequence of
                                    blocks plus the length of the
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h
index 68d2e003b724..6e203657bfc7 100644
--- a/include/linux/reiserfs_fs_sb.h
+++ b/include/linux/reiserfs_fs_sb.h
@@ -60,7 +60,8 @@ struct reiserfs_super_block
                                    don't need to save bytes in the
                                    superblock. -Hans */
   __u16 s_reserved;
-  char s_unused[128] ;			/* zero filled by mkreiserfs */
+  __u32 s_inode_generation;
+  char s_unused[124] ;			/* zero filled by mkreiserfs */
 } __attribute__ ((__packed__));
 
 #define SB_SIZE (sizeof(struct reiserfs_super_block))
@@ -249,6 +250,7 @@ struct reiserfs_journal {
   int j_free_bitmap_nodes ;
   int j_used_bitmap_nodes ;
   struct list_head j_bitmap_nodes ;
+  struct inode j_dummy_inode ;
   struct reiserfs_list_bitmap j_list_bitmap[JOURNAL_NUM_BITMAPS] ;	/* array of bitmaps to record the deleted blocks */
   struct reiserfs_journal_list j_journal_list[JOURNAL_LIST_COUNT] ;	    /* array of all the journal lists */
   struct reiserfs_journal_cnode *j_hash_table[JOURNAL_HASH_SIZE] ; 	    /* hash table for real buffer heads in current trans */