X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_fs.c;h=54b1e8e36ef282b6fbb74c79a5d476d65a99a5e5;hp=8f4fd329e9415ac4c5127eb242b8ef58b28e64c0;hb=7068d4b91f6928a40a0897572cb6407f690ebc1e;hpb=781662fbb93ffe509823a17779d9fbd41d343f18

diff --git a/yaffs_fs.c b/yaffs_fs.c
index 8f4fd32..54b1e8e 100644
--- a/yaffs_fs.c
+++ b/yaffs_fs.c
@@ -31,7 +31,7 @@
  */
 
 const char *yaffs_fs_c_version =
-    "$Id: yaffs_fs.c,v 1.45 2006-04-25 00:41:43 wookey Exp $";
+    "$Id: yaffs_fs.c,v 1.50 2006-06-05 04:12:44 charles Exp $";
 extern const char *yaffs_guts_c_version;
 
 #include <linux/config.h>
@@ -66,6 +66,11 @@ extern const char *yaffs_guts_c_version;
 #define	BDEVNAME_SIZE		0
 #define	yaffs_devname(sb, buf)	kdevname(sb->s_dev)
 
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+/* added NCB 26/5/2006 for 2.4.25-vrs2-tcl1 kernel */
+#define __user
+#endif
+
 #endif
 
 #include <asm/uaccess.h>
@@ -73,7 +78,10 @@ extern const char *yaffs_guts_c_version;
 #include "yportenv.h"
 #include "yaffs_guts.h"
 
-unsigned yaffs_traceMask = YAFFS_TRACE_ALWAYS | YAFFS_TRACE_BAD_BLOCKS /* | 0xFFFFFFFF */; 
+unsigned yaffs_traceMask = YAFFS_TRACE_ALWAYS | 
+			   YAFFS_TRACE_BAD_BLOCKS | 
+			   YAFFS_TRACE_CHECKPOINT
+			   /* | 0xFFFFFFFF */; 
 
 #include <linux/mtd/mtd.h>
 #include "yaffs_mtdif.h"
@@ -129,6 +137,9 @@ static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry,
 			struct inode *new_dir, struct dentry *new_dentry);
 static int yaffs_setattr(struct dentry *dentry, struct iattr *attr);
 
+static int yaffs_sync_fs(struct super_block *sb);
+static int yaffs_write_super(struct super_block *sb);
+
 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf);
 #else
@@ -214,6 +225,8 @@ static struct super_operations yaffs_super_ops = {
 	.put_super = yaffs_put_super,
 	.delete_inode = yaffs_delete_inode,
 	.clear_inode = yaffs_clear_inode,
+	.sync_fs = yaffs_sync_fs,
+	.write_super = yaffs_write_super,
 };
 
 static void yaffs_GrossLock(yaffs_Device * dev)
@@ -902,6 +915,9 @@ static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode,
 	int error = -ENOSPC;
 	uid_t uid = current->fsuid;
 	gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
+	
+	if((dir->i_mode & S_ISGID) && S_ISDIR(mode))
+		mode |= S_ISGID;
 
 	if (parent) {
 		T(YAFFS_TRACE_OS,
@@ -1249,6 +1265,47 @@ static int yaffs_statfs(struct super_block *sb, struct statfs *buf)
 	return 0;
 }
 
+
+
+static int yaffs_do_sync_fs(struct super_block *sb)
+{
+
+	yaffs_Device *dev = yaffs_SuperToDevice(sb);
+	T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_do_sync_fs\n"));
+
+	if(sb->s_dirt) {
+		yaffs_GrossLock(dev);
+
+		if(dev)
+			yaffs_CheckpointSave(dev);
+		
+		yaffs_GrossUnlock(dev);
+
+		sb->s_dirt = 0;
+	}
+	return 0;
+}
+
+
+static int yaffs_write_super(struct super_block *sb)
+{
+
+	T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_write_super\n"));
+	return 0; /* yaffs_do_sync_fs(sb);*/
+	
+}
+
+
+static int yaffs_sync_fs(struct super_block *sb)
+{
+
+	T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_sync_fs\n"));
+	
+	return 0; /* yaffs_do_sync_fs(sb);*/
+	
+}
+
+
 static void yaffs_read_inode(struct inode *inode)
 {
 	/* NB This is called as a side effect of other functions, but
@@ -1277,6 +1334,8 @@ static void yaffs_put_super(struct super_block *sb)
 {
 	yaffs_Device *dev = yaffs_SuperToDevice(sb);
 
+	T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_put_super\n"));
+
 	yaffs_GrossLock(dev);
 	
 	yaffs_FlushEntireDeviceCache(dev);
@@ -1284,7 +1343,10 @@ static void yaffs_put_super(struct super_block *sb)
 	if (dev->putSuperFunc) {
 		dev->putSuperFunc(sb);
 	}
+	
+	yaffs_CheckpointSave(dev);
 	yaffs_Deinitialise(dev);
+	
 	yaffs_GrossUnlock(dev);
 
 	/* we assume this is protected by lock_kernel() in mount/umount */
@@ -1312,6 +1374,15 @@ static void yaffs_MTDPutSuper(struct super_block *sb)
 }
 
 
+static void yaffs_MarkSuperBlockDirty(void *vsb)
+{
+	struct super_block *sb = (struct super_block *)vsb;
+	
+	T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_MarkSuperBlockDirty() sb = %p\n",sb));
+//	if(sb)
+//		sb->s_dirt = 1;
+}
+
 static struct super_block *yaffs_internal_read_super(int yaffsVersion,
 						     struct super_block *sb,
 						     void *data, int silent)
@@ -1393,6 +1464,14 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion,
 	    T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs2\n"));
 	    yaffsVersion = 2;
 	}	
+	
+	/* Added NCB 26/5/2006 for completeness */
+	if (yaffsVersion == 2 && 
+	    mtd->oobblock == 512) {
+	    T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs1\n"));
+	    yaffsVersion = 1;
+	}	
+
 #endif
 
 	if (yaffsVersion == 2) {
@@ -1484,6 +1563,8 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion,
 		dev->nBytesPerChunk = mtd->oobblock;
 		dev->nChunksPerBlock = mtd->erasesize / mtd->oobblock;
 		nBlocks = mtd->size / mtd->erasesize;
+
+		dev->nCheckpointReservedBlocks = 10;
 		dev->startBlock = 0;
 		dev->endBlock = nBlocks - 1;
 	} else {
@@ -1496,6 +1577,10 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion,
 	dev->initialiseNAND = nandmtd_InitialiseNAND;
 
 	dev->putSuperFunc = yaffs_MTDPutSuper;
+	
+	dev->superBlock = (void *)sb;
+	dev->markSuperBlockDirty = yaffs_MarkSuperBlockDirty;
+	
 
 #ifndef CONFIG_YAFFS_DOES_ECC
 	dev->useNANDECC = 1;