patch-2.1.79 linux/fs/fat/buffer.c

• Lines: 93
• Date: Thu Jan 8 14:02:41 1998
• Orig file: v2.1.78/linux/fs/fat/buffer.c
• Orig date: Sat Oct 25 02:44:17 1997

diff -u --recursive --new-file v2.1.78/linux/fs/fat/buffer.c linux/fs/fat/buffer.c
@@ -9,6 +9,7 @@
 #include <linux/string.h>
 #include <linux/fs.h>
 #include <linux/msdos_fs.h>
+#include <linux/fat_cvf.h>
 
 #if 0
 #  define PRINTK(x) printk x
@@ -28,6 +29,11 @@
 	 * is always of size 1024 (or 2048). Doing readahead may be
 	 * counterproductive or just plain wrong.
 	 */
+
+	if(MSDOS_SB(sb)->cvf_format)
+	  if(MSDOS_SB(sb)->cvf_format->cvf_bread)
+	    return MSDOS_SB(sb)->cvf_format->cvf_bread(sb,block);
+
 	if (sb->s_blocksize == 512) {
 		ret = bread (sb->s_dev,block,512);
 	} else {
@@ -92,6 +98,11 @@
 {
 	struct buffer_head *ret = NULL;
 	PRINTK(("fat_getblk: block=0x%x\n", block));
+
+	if(MSDOS_SB(sb)->cvf_format)
+	  if(MSDOS_SB(sb)->cvf_format->cvf_getblk)
+	    return MSDOS_SB(sb)->cvf_format->cvf_getblk(sb,block);
+
 	if (sb->s_blocksize == 512){
 		ret = getblk (sb->s_dev,block,512);
 	}else{
@@ -111,6 +122,10 @@
 	struct buffer_head *bh)
 {
 	if (bh != NULL){
+		if(MSDOS_SB(sb)->cvf_format)
+          	  if(MSDOS_SB(sb)->cvf_format->cvf_brelse)
+            	    return MSDOS_SB(sb)->cvf_format->cvf_brelse(sb,bh);
+
 		if (sb->s_blocksize == 512){
 			brelse (bh);
 		}else{
@@ -128,6 +143,12 @@
 	struct buffer_head *bh,
 	int dirty_val)
 {
+	if(MSDOS_SB(sb)->cvf_format)
+          if(MSDOS_SB(sb)->cvf_format->cvf_mark_buffer_dirty)
+          { MSDOS_SB(sb)->cvf_format->cvf_mark_buffer_dirty(sb,bh,dirty_val);
+            return;
+          }
+ 
 	if (sb->s_blocksize != 512){
 		bh = bh->b_next;
 	}
@@ -139,6 +160,12 @@
 	struct buffer_head *bh,
 	int val)
 {
+	if(MSDOS_SB(sb)->cvf_format)
+          if(MSDOS_SB(sb)->cvf_format->cvf_set_uptodate)
+          { MSDOS_SB(sb)->cvf_format->cvf_set_uptodate(sb,bh,val);
+            return;
+          }
+ 
 	if (sb->s_blocksize != 512){
 		bh = bh->b_next;
 	}
@@ -148,6 +175,10 @@
 	struct super_block *sb,
 	struct buffer_head *bh)
 {
+	if(MSDOS_SB(sb)->cvf_format)
+          if(MSDOS_SB(sb)->cvf_format->cvf_is_uptodate)
+            return MSDOS_SB(sb)->cvf_format->cvf_is_uptodate(sb,bh);
+ 
 	if (sb->s_blocksize != 512){
 		bh = bh->b_next;
 	}
@@ -160,6 +191,12 @@
 	int nbreq,
 	struct buffer_head *bh[32])
 {
+        if(MSDOS_SB(sb)->cvf_format)
+          if(MSDOS_SB(sb)->cvf_format->cvf_ll_rw_block)
+          { MSDOS_SB(sb)->cvf_format->cvf_ll_rw_block(sb,opr,nbreq,bh);
+            return;
+          }
+ 
 	if (sb->s_blocksize == 512){
 		ll_rw_block(opr,nbreq,bh);
 	}else{