Merge angband.namesys.com:/home/green/bk/linux-2.5

into angband.namesys.com:/home/green/bk_work/reiser3-linux-2.5

2 files changed, 24 insertions, 4 deletions

diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index ec8c6f6e5b93..87b7c20865fc 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -20,6 +20,7 @@
 #include <asm/unaligned.h>
 #include <linux/bitops.h>
 #include <linux/proc_fs.h>
+#include <linux/smp_lock.h>
 #include <linux/buffer_head.h>
 #include <linux/reiserfs_fs_i.h>
 #include <linux/reiserfs_fs_sb.h>
@@ -1062,9 +1063,7 @@ static inline int entry_length (const struct buffer_head * bh,
 #define B_I_E_NAME(bh,ih,entry_num) ((char *)(bh->b_data + ih_location(ih) + deh_location(B_I_DEH(bh,ih)+(entry_num))))
 
 // two entries per block (at least)
-//#define REISERFS_MAX_NAME_LEN(block_size) 
-//((block_size - BLKH_SIZE - IH_SIZE - DEH_SIZE * 2) / 2)
-#define REISERFS_MAX_NAME_LEN(block_size) 255
+#define REISERFS_MAX_NAME(block_size) 255
 
 
 /* this structure is used for operations on directory entries. It is
@@ -1654,6 +1653,11 @@ extern wait_queue_head_t reiserfs_commit_thread_wait ;
 */
 #define JOURNAL_BUFFER(j,n) ((j)->j_ap_blocks[((j)->j_start + (n)) % JOURNAL_BLOCK_COUNT])
 
+// We need these to make journal.c code more readable
+#define journal_get_hash_table(s, block) __get_hash_table(SB_JOURNAL(s)->j_dev_bd, block, s->s_blocksize)
+#define journal_getblk(s, block) __getblk(SB_JOURNAL(s)->j_dev_bd, block, s->s_blocksize)
+#define journal_bread(s, block) __bread(SB_JOURNAL(s)->j_dev_bd, block, s->s_blocksize)
+
 void reiserfs_commit_for_inode(struct inode *) ;
 void reiserfs_update_inode_transaction(struct inode *) ;
 void reiserfs_wait_on_write_block(struct super_block *s) ;
@@ -2073,6 +2077,12 @@ int reiserfs_unpack (struct inode * inode, struct file * filp);
  
 /* ioctl's command */
 #define REISERFS_IOC_UNPACK		_IOW(0xCD,1,long)
+
+/* 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()
  			         
 #endif /* _LINUX_REISER_FS_H */
 
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h
index 4304ff623e72..0348db2acc6b 100644
--- a/include/linux/reiserfs_fs_sb.h
+++ b/include/linux/reiserfs_fs_sb.h
@@ -408,6 +408,8 @@ struct reiserfs_sb_info
 #define REISERFS_HASHED_RELOCATION 13
 #define REISERFS_TEST4 14 
 
+#define REISERFS_ATTRS 15
+
 #define REISERFS_TEST1 11
 #define REISERFS_TEST2 12
 #define REISERFS_TEST3 13
@@ -430,7 +432,7 @@ struct reiserfs_sb_info
 
 
 void reiserfs_file_buffer (struct buffer_head * bh, int list);
-int reiserfs_is_super(struct super_block *s)  ;
+int is_reiserfs_super(struct super_block *s)  ;
 int journal_mark_dirty(struct reiserfs_transaction_handle *, struct super_block *, struct buffer_head *bh) ;
 int flush_old_commits(struct super_block *s, int) ;
 int show_reiserfs_locks(void) ;
@@ -456,4 +458,12 @@ int reiserfs_resize(struct super_block *, unsigned long) ;
 #define SB_JOURNAL_MAX_TRANS_AGE(s)  (SB_JOURNAL(s)->s_journal_max_trans_age)
 #define SB_JOURNAL_DEV(s)            (SB_JOURNAL(s)->j_dev)
 
+/* A safe version of the "bdevname", which returns the "s_id" field of
+ * a superblock or else "Null superblock" if the super block is NULL.
+ */
+static inline char *reiserfs_bdevname(struct super_block *s)
+{
+        return (s == NULL) ? "Null superblock" : s -> s_id;
+}
+
 #endif	/* _LINUX_REISER_FS_SB */