1 files changed, 419 insertions, 327 deletions

diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index e0c04e36a05..61e8a9b021d 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -26,29 +26,22 @@
  */
 
 #include <asm/uaccess.h>
-#include <asm/system.h>
 
 #include <linux/errno.h>
 #include <linux/fs.h>
-#include <linux/ufs_fs.h>
 #include <linux/time.h>
 #include <linux/stat.h>
 #include <linux/string.h>
 #include <linux/mm.h>
-#include <linux/smp_lock.h>
 #include <linux/buffer_head.h>
+#include <linux/writeback.h>
 
+#include "ufs_fs.h"
+#include "ufs.h"
 #include "swab.h"
 #include "util.h"
 
-#undef UFS_INODE_DEBUG
-#undef UFS_INODE_DEBUG_MORE
-
-#ifdef UFS_INODE_DEBUG
-#define UFSD(x) printk("(%s, %d), %s: ", __FILE__, __LINE__, __FUNCTION__); printk x;
-#else
-#define UFSD(x)
-#endif
+static u64 ufs_frag_map(struct inode *inode, sector_t frag, bool needs_lock);
 
 static int ufs_block_to_path(struct inode *inode, sector_t i_block, sector_t offsets[4])
 {
@@ -61,10 +54,8 @@ static int ufs_block_to_path(struct inode *inode, sector_t i_block, sector_t off
 	int n = 0;
 
 
-	UFSD(("ptrs=uspi->s_apb = %d,double_blocks=%ld \n",ptrs,double_blocks));
-	if (i_block < 0) {
-		ufs_warning(inode->i_sb, "ufs_block_to_path", "block < 0");
-	} else if (i_block < direct_blocks) {
+	UFSD("ptrs=uspi->s_apb = %d,double_blocks=%ld \n",ptrs,double_blocks);
+	if (i_block < direct_blocks) {
 		offsets[n++] = i_block;
 	} else if ((i_block -= direct_blocks) < indirect_blocks) {
 		offsets[n++] = UFS_IND_BLOCK;
@@ -86,10 +77,10 @@ static int ufs_block_to_path(struct inode *inode, sector_t i_block, sector_t off
 
 /*
  * Returns the location of the fragment from
- * the begining of the filesystem.
+ * the beginning of the filesystem.
  */
 
-u64  ufs_frag_map(struct inode *inode, sector_t frag)
+static u64 ufs_frag_map(struct inode *inode, sector_t frag, bool needs_lock)
 {
 	struct ufs_inode_info *ufsi = UFS_I(inode);
 	struct super_block *sb = inode->i_sb;
@@ -104,15 +95,18 @@ u64  ufs_frag_map(struct inode *inode, sector_t frag)
 	unsigned flags = UFS_SB(sb)->s_flags;
 	u64 temp = 0L;
 
-	UFSD((": frag = %llu  depth = %d\n", (unsigned long long)frag, depth));
-	UFSD((": uspi->s_fpbshift = %d ,uspi->s_apbmask = %x, mask=%llx\n",uspi->s_fpbshift,uspi->s_apbmask,mask));
+	UFSD(": frag = %llu  depth = %d\n", (unsigned long long)frag, depth);
+	UFSD(": uspi->s_fpbshift = %d ,uspi->s_apbmask = %x, mask=%llx\n",
+		uspi->s_fpbshift, uspi->s_apbmask,
+		(unsigned long long)mask);
 
 	if (depth == 0)
 		return 0;
 
 	p = offsets;
 
-	lock_kernel();
+	if (needs_lock)
+		lock_ufs(sb);
 	if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2)
 		goto ufs2;
 
@@ -157,30 +151,41 @@ ufs2:
 	ret = temp + (u64) (frag & uspi->s_fpbmask);
 
 out:
-	unlock_kernel();
+	if (needs_lock)
+		unlock_ufs(sb);
 	return ret;
 }
 
-static struct buffer_head * ufs_inode_getfrag (struct inode *inode,
-	unsigned int fragment, unsigned int new_fragment,
-	unsigned int required, int *err, int metadata, long *phys, int *new)
+/**
+ * ufs_inode_getfrag() - allocate new fragment(s)
+ * @inode - pointer to inode
+ * @fragment - number of `fragment' which hold pointer
+ *   to new allocated fragment(s)
+ * @new_fragment - number of new allocated fragment(s)
+ * @required - how many fragment(s) we require
+ * @err - we set it if something wrong
+ * @phys - pointer to where we save physical number of new allocated fragments,
+ *   NULL if we allocate not data(indirect blocks for example).
+ * @new - we set it if we allocate new block
+ * @locked_page - for ufs_new_fragments()
+ */
+static struct buffer_head *
+ufs_inode_getfrag(struct inode *inode, u64 fragment,
+		  sector_t new_fragment, unsigned int required, int *err,
+		  long *phys, int *new, struct page *locked_page)
 {
 	struct ufs_inode_info *ufsi = UFS_I(inode);
-	struct super_block * sb;
-	struct ufs_sb_private_info * uspi;
+	struct super_block *sb = inode->i_sb;
+	struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
 	struct buffer_head * result;
-	unsigned block, blockoff, lastfrag, lastblock, lastblockoff;
-	unsigned tmp, goal;
-	__fs32 * p, * p2;
-	unsigned flags = 0;
+	unsigned blockoff, lastblockoff;
+	u64 tmp, goal, lastfrag, block, lastblock;
+	void *p, *p2;
 
-	UFSD(("ENTER, ino %lu, fragment %u, new_fragment %u, required %u\n",
-		inode->i_ino, fragment, new_fragment, required))         
+	UFSD("ENTER, ino %lu, fragment %llu, new_fragment %llu, required %u, "
+	     "metadata %d\n", inode->i_ino, (unsigned long long)fragment,
+	     (unsigned long long)new_fragment, required, !phys);
 
-	sb = inode->i_sb;
-	uspi = UFS_SB(sb)->s_uspi;
-
-	flags = UFS_SB(sb)->s_flags;
         /* TODO : to be done for write support
         if ( (flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2)
              goto ufs2;
@@ -188,23 +193,26 @@ static struct buffer_head * ufs_inode_getfrag (struct inode *inode,
 
 	block = ufs_fragstoblks (fragment);
 	blockoff = ufs_fragnum (fragment);
-	p = ufsi->i_u1.i_data + block;
+	p = ufs_get_direct_data_ptr(uspi, ufsi, block);
+
 	goal = 0;
 
 repeat:
-	tmp = fs32_to_cpu(sb, *p);
+	tmp = ufs_data_ptr_to_cpu(sb, p);
+
 	lastfrag = ufsi->i_lastfrag;
 	if (tmp && fragment < lastfrag) {
-		if (metadata) {
+		if (!phys) {
 			result = sb_getblk(sb, uspi->s_sbbase + tmp + blockoff);
-			if (tmp == fs32_to_cpu(sb, *p)) {
-				UFSD(("EXIT, result %u\n", tmp + blockoff))
+			if (tmp == ufs_data_ptr_to_cpu(sb, p)) {
+				UFSD("EXIT, result %llu\n",
+				     (unsigned long long)tmp + blockoff);
 				return result;
 			}
 			brelse (result);
 			goto repeat;
 		} else {
-			*phys = tmp;
+			*phys = uspi->s_sbbase + tmp + blockoff;
 			return NULL;
 		}
 	}
@@ -219,9 +227,11 @@ repeat:
 		 * We must reallocate last allocated block
 		 */
 		if (lastblockoff) {
-			p2 = ufsi->i_u1.i_data + lastblock;
-			tmp = ufs_new_fragments (inode, p2, lastfrag, 
-				fs32_to_cpu(sb, *p2), uspi->s_fpb - lastblockoff, err);
+			p2 = ufs_get_direct_data_ptr(uspi, ufsi, lastblock);
+			tmp = ufs_new_fragments(inode, p2, lastfrag,
+						ufs_data_ptr_to_cpu(sb, p2),
+						uspi->s_fpb - lastblockoff,
+						err, locked_page);
 			if (!tmp) {
 				if (lastfrag != ufsi->i_lastfrag)
 					goto repeat;
@@ -231,42 +241,50 @@ repeat:
 			lastfrag = ufsi->i_lastfrag;
 			
 		}
-		goal = fs32_to_cpu(sb, ufsi->i_u1.i_data[lastblock]) + uspi->s_fpb;
+		tmp = ufs_data_ptr_to_cpu(sb,
+					 ufs_get_direct_data_ptr(uspi, ufsi,
+								 lastblock));
+		if (tmp)
+			goal = tmp + uspi->s_fpb;
 		tmp = ufs_new_fragments (inode, p, fragment - blockoff, 
-			goal, required + blockoff, err);
-	}
+					 goal, required + blockoff,
+					 err,
+					 phys != NULL ? locked_page : NULL);
+	} else if (lastblock == block) {
 	/*
 	 * We will extend last allocated block
 	 */
-	else if (lastblock == block) {
-		tmp = ufs_new_fragments (inode, p, fragment - (blockoff - lastblockoff),
-			fs32_to_cpu(sb, *p), required +  (blockoff - lastblockoff), err);
-	}
+		tmp = ufs_new_fragments(inode, p, fragment -
+					(blockoff - lastblockoff),
+					ufs_data_ptr_to_cpu(sb, p),
+					required +  (blockoff - lastblockoff),
+					err, phys != NULL ? locked_page : NULL);
+	} else /* (lastblock > block) */ {
 	/*
 	 * We will allocate new block before last allocated block
 	 */
-	else /* (lastblock > block) */ {
-		if (lastblock && (tmp = fs32_to_cpu(sb, ufsi->i_u1.i_data[lastblock-1])))
-			goal = tmp + uspi->s_fpb;
-		tmp = ufs_new_fragments (inode, p, fragment - blockoff, 
-			goal, uspi->s_fpb, err);
+		if (block) {
+			tmp = ufs_data_ptr_to_cpu(sb,
+						 ufs_get_direct_data_ptr(uspi, ufsi, block - 1));
+			if (tmp)
+				goal = tmp + uspi->s_fpb;
+		}
+		tmp = ufs_new_fragments(inode, p, fragment - blockoff,
+					goal, uspi->s_fpb, err,
+					phys != NULL ? locked_page : NULL);
 	}
 	if (!tmp) {
-		if ((!blockoff && *p) || 
+		if ((!blockoff && ufs_data_ptr_to_cpu(sb, p)) ||
 		    (blockoff && lastfrag != ufsi->i_lastfrag))
 			goto repeat;
 		*err = -ENOSPC;
 		return NULL;
 	}
 
-	/* The nullification of framgents done in ufs/balloc.c is
-	 * something I don't have the stomache to move into here right
-	 * now. -DaveM
-	 */
-	if (metadata) {
-		result = sb_getblk(inode->i_sb, tmp + blockoff);
+	if (!phys) {
+		result = sb_getblk(sb, uspi->s_sbbase + tmp + blockoff);
 	} else {
-		*phys = tmp;
+		*phys = uspi->s_sbbase + tmp + blockoff;
 		result = NULL;
 		*err = 0;
 		*new = 1;
@@ -276,7 +294,7 @@ repeat:
 	if (IS_SYNC(inode))
 		ufs_sync_inode (inode);
 	mark_inode_dirty(inode);
-	UFSD(("EXIT, result %u\n", tmp + blockoff))
+	UFSD("EXIT, result %llu\n", (unsigned long long)tmp + blockoff);
 	return result;
 
      /* This part : To be implemented ....
@@ -295,22 +313,37 @@ repeat2:
      */
 }
 
-static struct buffer_head * ufs_block_getfrag (struct inode *inode,
-	struct buffer_head *bh, unsigned int fragment, unsigned int new_fragment, 
-	unsigned int blocksize, int * err, int metadata, long *phys, int *new)
+/**
+ * ufs_inode_getblock() - allocate new block
+ * @inode - pointer to inode
+ * @bh - pointer to block which hold "pointer" to new allocated block
+ * @fragment - number of `fragment' which hold pointer
+ *   to new allocated block
+ * @new_fragment - number of new allocated fragment
+ *  (block will hold this fragment and also uspi->s_fpb-1)
+ * @err - see ufs_inode_getfrag()
+ * @phys - see ufs_inode_getfrag()
+ * @new - see ufs_inode_getfrag()
+ * @locked_page - see ufs_inode_getfrag()
+ */
+static struct buffer_head *
+ufs_inode_getblock(struct inode *inode, struct buffer_head *bh,
+		  u64 fragment, sector_t new_fragment, int *err,
+		  long *phys, int *new, struct page *locked_page)
 {
-	struct super_block * sb;
-	struct ufs_sb_private_info * uspi;
+	struct super_block *sb = inode->i_sb;
+	struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
 	struct buffer_head * result;
-	unsigned tmp, goal, block, blockoff;
-	__fs32 * p;
+	unsigned blockoff;
+	u64 tmp, goal, block;
+	void *p;
 
-	sb = inode->i_sb;
-	uspi = UFS_SB(sb)->s_uspi;
 	block = ufs_fragstoblks (fragment);
 	blockoff = ufs_fragnum (fragment);
 
-	UFSD(("ENTER, ino %lu, fragment %u, new_fragment %u\n", inode->i_ino, fragment, new_fragment))	
+	UFSD("ENTER, ino %lu, fragment %llu, new_fragment %llu, metadata %d\n",
+	     inode->i_ino, (unsigned long long)fragment,
+	     (unsigned long long)new_fragment, !phys);
 
 	result = NULL;
 	if (!bh)
@@ -321,42 +354,44 @@ static struct buffer_head * ufs_block_getfrag (struct inode *inode,
 		if (!buffer_uptodate(bh))
 			goto out;
 	}
-
-	p = (__fs32 *) bh->b_data + block;
+	if (uspi->fs_magic == UFS2_MAGIC)
+		p = (__fs64 *)bh->b_data + block;
+	else
+		p = (__fs32 *)bh->b_data + block;
 repeat:
-	tmp = fs32_to_cpu(sb, *p);
+	tmp = ufs_data_ptr_to_cpu(sb, p);
 	if (tmp) {
-		if (metadata) {
+		if (!phys) {
 			result = sb_getblk(sb, uspi->s_sbbase + tmp + blockoff);
-			if (tmp == fs32_to_cpu(sb, *p))
+			if (tmp == ufs_data_ptr_to_cpu(sb, p))
 				goto out;
 			brelse (result);
 			goto repeat;
 		} else {
-			*phys = tmp;
+			*phys = uspi->s_sbbase + tmp + blockoff;
 			goto out;
 		}
 	}
 
-	if (block && (tmp = fs32_to_cpu(sb, ((__fs32*)bh->b_data)[block-1]) + uspi->s_fpb))
+	if (block && (uspi->fs_magic == UFS2_MAGIC ?
+		      (tmp = fs64_to_cpu(sb, ((__fs64 *)bh->b_data)[block-1])) :
+		      (tmp = fs32_to_cpu(sb, ((__fs32 *)bh->b_data)[block-1]))))
 		goal = tmp + uspi->s_fpb;
 	else
 		goal = bh->b_blocknr + uspi->s_fpb;
-	tmp = ufs_new_fragments (inode, p, ufs_blknum(new_fragment), goal, uspi->s_fpb, err);
+	tmp = ufs_new_fragments(inode, p, ufs_blknum(new_fragment), goal,
+				uspi->s_fpb, err, locked_page);
 	if (!tmp) {
-		if (fs32_to_cpu(sb, *p))
+		if (ufs_data_ptr_to_cpu(sb, p))
 			goto repeat;
 		goto out;
 	}		
 
-	/* The nullification of framgents done in ufs/balloc.c is
-	 * something I don't have the stomache to move into here right
-	 * now. -DaveM
-	 */
-	if (metadata) {
-		result = sb_getblk(sb, tmp + blockoff);
+
+	if (!phys) {
+		result = sb_getblk(sb, uspi->s_sbbase + tmp + blockoff);
 	} else {
-		*phys = tmp;
+		*phys = uspi->s_sbbase + tmp + blockoff;
 		*new = 1;
 	}
 
@@ -365,29 +400,32 @@ repeat:
 		sync_dirty_buffer(bh);
 	inode->i_ctime = CURRENT_TIME_SEC;
 	mark_inode_dirty(inode);
-	UFSD(("result %u\n", tmp + blockoff));
+	UFSD("result %llu\n", (unsigned long long)tmp + blockoff);
 out:
 	brelse (bh);
-	UFSD(("EXIT\n"));
+	UFSD("EXIT\n");
 	return result;
 }
 
-/*
- * This function gets the block which contains the fragment.
+/**
+ * ufs_getfrag_block() - `get_block_t' function, interface between UFS and
+ * readpage, writepage and so on
  */
 
-static int ufs_getfrag_block (struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create)
+int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create)
 {
 	struct super_block * sb = inode->i_sb;
-	struct ufs_sb_private_info * uspi = UFS_SB(sb)->s_uspi;
+	struct ufs_sb_info * sbi = UFS_SB(sb);
+	struct ufs_sb_private_info * uspi = sbi->s_uspi;
 	struct buffer_head * bh;
 	int ret, err, new;
 	unsigned long ptr,phys;
 	u64 phys64 = 0;
+	bool needs_lock = (sbi->mutex_owner != current);
 	
 	if (!create) {
-		phys64 = ufs_frag_map(inode, fragment);
-		UFSD(("phys64 = %llu \n",phys64));
+		phys64 = ufs_frag_map(inode, fragment, needs_lock);
+		UFSD("phys64 = %llu\n", (unsigned long long)phys64);
 		if (phys64)
 			map_bh(bh_result, sb, phys64);
 		return 0;
@@ -400,11 +438,10 @@ static int ufs_getfrag_block (struct inode *inode, sector_t fragment, struct buf
 	ret = 0;
 	bh = NULL;
 
-	lock_kernel();
+	if (needs_lock)
+		lock_ufs(sb);
 
-	UFSD(("ENTER, ino %lu, fragment %llu\n", inode->i_ino, (unsigned long long)fragment))
-	if (fragment < 0)
-		goto abort_negative;
+	UFSD("ENTER, ino %lu, fragment %llu\n", inode->i_ino, (unsigned long long)fragment);
 	if (fragment >
 	    ((UFS_NDADDR + uspi->s_apb + uspi->s_2apb + uspi->s_3apb)
 	     << uspi->s_fpbshift))
@@ -418,15 +455,17 @@ static int ufs_getfrag_block (struct inode *inode, sector_t fragment, struct buf
 	 * it much more readable:
 	 */
 #define GET_INODE_DATABLOCK(x) \
-		ufs_inode_getfrag(inode, x, fragment, 1, &err, 0, &phys, &new)
+	ufs_inode_getfrag(inode, x, fragment, 1, &err, &phys, &new,\
+			  bh_result->b_page)
 #define GET_INODE_PTR(x) \
-		ufs_inode_getfrag(inode, x, fragment, uspi->s_fpb, &err, 1, NULL, NULL)
+	ufs_inode_getfrag(inode, x, fragment, uspi->s_fpb, &err, NULL, NULL,\
+			  bh_result->b_page)
 #define GET_INDIRECT_DATABLOCK(x) \
-		ufs_block_getfrag(inode, bh, x, fragment, sb->s_blocksize, \
-				  &err, 0, &phys, &new);
+	ufs_inode_getblock(inode, bh, x, fragment,	\
+			  &err, &phys, &new, bh_result->b_page)
 #define GET_INDIRECT_PTR(x) \
-		ufs_block_getfrag(inode, bh, x, fragment, sb->s_blocksize, \
-				  &err, 1, NULL, NULL);
+	ufs_inode_getblock(inode, bh, x, fragment,	\
+			  &err, NULL, NULL, NULL)
 
 	if (ptr < UFS_NDIR_FRAGMENT) {
 		bh = GET_INODE_DATABLOCK(ptr);
@@ -462,131 +501,109 @@ out:
 		set_buffer_new(bh_result);
 	map_bh(bh_result, sb, phys);
 abort:
-	unlock_kernel();
-	return err;
+	if (needs_lock)
+		unlock_ufs(sb);
 
-abort_negative:
-	ufs_warning(sb, "ufs_get_block", "block < 0");
-	goto abort;
+	return err;
 
 abort_too_big:
 	ufs_warning(sb, "ufs_get_block", "block > big");
 	goto abort;
 }
 
-struct buffer_head *ufs_getfrag(struct inode *inode, unsigned int fragment,
-				int create, int *err)
+static int ufs_writepage(struct page *page, struct writeback_control *wbc)
 {
-	struct buffer_head dummy;
-	int error;
-
-	dummy.b_state = 0;
-	dummy.b_blocknr = -1000;
-	error = ufs_getfrag_block(inode, fragment, &dummy, create);
-	*err = error;
-	if (!error && buffer_mapped(&dummy)) {
-		struct buffer_head *bh;
-		bh = sb_getblk(inode->i_sb, dummy.b_blocknr);
-		if (buffer_new(&dummy)) {
-			memset(bh->b_data, 0, inode->i_sb->s_blocksize);
-			set_buffer_uptodate(bh);
-			mark_buffer_dirty(bh);
-		}
-		return bh;
-	}
-	return NULL;
+	return block_write_full_page(page,ufs_getfrag_block,wbc);
 }
 
-struct buffer_head * ufs_bread (struct inode * inode, unsigned fragment,
-	int create, int * err)
+static int ufs_readpage(struct file *file, struct page *page)
 {
-	struct buffer_head * bh;
-
-	UFSD(("ENTER, ino %lu, fragment %u\n", inode->i_ino, fragment))
-	bh = ufs_getfrag (inode, fragment, create, err);
-	if (!bh || buffer_uptodate(bh)) 		
-		return bh;
-	ll_rw_block (READ, 1, &bh);
-	wait_on_buffer (bh);
-	if (buffer_uptodate(bh))
-		return bh;
-	brelse (bh);
-	*err = -EIO;
-	return NULL;
+	return block_read_full_page(page,ufs_getfrag_block);
 }
 
-static int ufs_writepage(struct page *page, struct writeback_control *wbc)
+int ufs_prepare_chunk(struct page *page, loff_t pos, unsigned len)
 {
-	return block_write_full_page(page,ufs_getfrag_block,wbc);
+	return __block_write_begin(page, pos, len, ufs_getfrag_block);
 }
-static int ufs_readpage(struct file *file, struct page *page)
+
+static void ufs_write_failed(struct address_space *mapping, loff_t to)
 {
-	return block_read_full_page(page,ufs_getfrag_block);
+	struct inode *inode = mapping->host;
+
+	if (to > inode->i_size)
+		truncate_pagecache(inode, inode->i_size);
 }
-static int ufs_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to)
+
+static int ufs_write_begin(struct file *file, struct address_space *mapping,
+			loff_t pos, unsigned len, unsigned flags,
+			struct page **pagep, void **fsdata)
 {
-	return block_prepare_write(page,from,to,ufs_getfrag_block);
+	int ret;
+
+	ret = block_write_begin(mapping, pos, len, flags, pagep,
+				ufs_getfrag_block);
+	if (unlikely(ret))
+		ufs_write_failed(mapping, pos + len);
+
+	return ret;
 }
+
 static sector_t ufs_bmap(struct address_space *mapping, sector_t block)
 {
 	return generic_block_bmap(mapping,block,ufs_getfrag_block);
 }
-struct address_space_operations ufs_aops = {
+
+const struct address_space_operations ufs_aops = {
 	.readpage = ufs_readpage,
 	.writepage = ufs_writepage,
-	.sync_page = block_sync_page,
-	.prepare_write = ufs_prepare_write,
-	.commit_write = generic_commit_write,
+	.write_begin = ufs_write_begin,
+	.write_end = generic_write_end,
 	.bmap = ufs_bmap
 };
 
-void ufs_read_inode (struct inode * inode)
+static void ufs_set_inode_ops(struct inode *inode)
 {
-	struct ufs_inode_info *ufsi = UFS_I(inode);
-	struct super_block * sb;
-	struct ufs_sb_private_info * uspi;
-	struct ufs_inode * ufs_inode;	
-	struct ufs2_inode *ufs2_inode;
-	struct buffer_head * bh;
-	mode_t mode;
-	unsigned i;
-	unsigned flags;
-	
-	UFSD(("ENTER, ino %lu\n", inode->i_ino))
-	
-	sb = inode->i_sb;
-	uspi = UFS_SB(sb)->s_uspi;
-	flags = UFS_SB(sb)->s_flags;
-
-	if (inode->i_ino < UFS_ROOTINO || 
-	    inode->i_ino > (uspi->s_ncg * uspi->s_ipg)) {
-		ufs_warning (sb, "ufs_read_inode", "bad inode number (%lu)\n", inode->i_ino);
-		goto bad_inode;
-	}
-	
-	bh = sb_bread(sb, uspi->s_sbbase + ufs_inotofsba(inode->i_ino));
-	if (!bh) {
-		ufs_warning (sb, "ufs_read_inode", "unable to read inode %lu\n", inode->i_ino);
-		goto bad_inode;
-	}
-	if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2)
-		goto ufs2_inode;
+	if (S_ISREG(inode->i_mode)) {
+		inode->i_op = &ufs_file_inode_operations;
+		inode->i_fop = &ufs_file_operations;
+		inode->i_mapping->a_ops = &ufs_aops;
+	} else if (S_ISDIR(inode->i_mode)) {
+		inode->i_op = &ufs_dir_inode_operations;
+		inode->i_fop = &ufs_dir_operations;
+		inode->i_mapping->a_ops = &ufs_aops;
+	} else if (S_ISLNK(inode->i_mode)) {
+		if (!inode->i_blocks)
+			inode->i_op = &ufs_fast_symlink_inode_operations;
+		else {
+			inode->i_op = &ufs_symlink_inode_operations;
+			inode->i_mapping->a_ops = &ufs_aops;
+		}
+	} else
+		init_special_inode(inode, inode->i_mode,
+				   ufs_get_inode_dev(inode->i_sb, UFS_I(inode)));
+}
 
-	ufs_inode = (struct ufs_inode *) (bh->b_data + sizeof(struct ufs_inode) * ufs_inotofsbo(inode->i_ino));
+static int ufs1_read_inode(struct inode *inode, struct ufs_inode *ufs_inode)
+{
+	struct ufs_inode_info *ufsi = UFS_I(inode);
+	struct super_block *sb = inode->i_sb;
+	umode_t mode;
 
 	/*
 	 * Copy data to the in-core inode.
 	 */
 	inode->i_mode = mode = fs16_to_cpu(sb, ufs_inode->ui_mode);
-	inode->i_nlink = fs16_to_cpu(sb, ufs_inode->ui_nlink);
-	if (inode->i_nlink == 0)
+	set_nlink(inode, fs16_to_cpu(sb, ufs_inode->ui_nlink));
+	if (inode->i_nlink == 0) {
 		ufs_error (sb, "ufs_read_inode", "inode %lu has zero nlink\n", inode->i_ino);
+		return -1;
+	}
 	
 	/*
 	 * Linux now has 32-bit uid and gid, so we can support EFT.
 	 */
-	inode->i_uid = ufs_get_inode_uid(sb, ufs_inode);
-	inode->i_gid = ufs_get_inode_gid(sb, ufs_inode);
+	i_uid_write(inode, ufs_get_inode_uid(sb, ufs_inode));
+	i_gid_write(inode, ufs_get_inode_gid(sb, ufs_inode));
 
 	inode->i_size = fs64_to_cpu(sb, ufs_inode->ui_size);
 	inode->i_atime.tv_sec = fs32_to_cpu(sb, ufs_inode->ui_atime.tv_sec);
@@ -596,158 +613,145 @@ void ufs_read_inode (struct inode * inode)
 	inode->i_atime.tv_nsec = 0;
 	inode->i_ctime.tv_nsec = 0;
 	inode->i_blocks = fs32_to_cpu(sb, ufs_inode->ui_blocks);
-	inode->i_blksize = PAGE_SIZE;   /* This is the optimal IO size (for stat) */
-	inode->i_version++;
+	inode->i_generation = fs32_to_cpu(sb, ufs_inode->ui_gen);
 	ufsi->i_flags = fs32_to_cpu(sb, ufs_inode->ui_flags);
-	ufsi->i_gen = fs32_to_cpu(sb, ufs_inode->ui_gen);
 	ufsi->i_shadow = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_shadow);
 	ufsi->i_oeftflag = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_oeftflag);
-	ufsi->i_lastfrag = (inode->i_size + uspi->s_fsize - 1) >> uspi->s_fshift;
+
 	
 	if (S_ISCHR(mode) || S_ISBLK(mode) || inode->i_blocks) {
-		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR); i++)
-			ufsi->i_u1.i_data[i] = ufs_inode->ui_u2.ui_addr.ui_db[i];
-	}
-	else {
-		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR) * 4; i++)
-			ufsi->i_u1.i_symlink[i] = ufs_inode->ui_u2.ui_symlink[i];
+		memcpy(ufsi->i_u1.i_data, &ufs_inode->ui_u2.ui_addr,
+		       sizeof(ufs_inode->ui_u2.ui_addr));
+	} else {
+		memcpy(ufsi->i_u1.i_symlink, ufs_inode->ui_u2.ui_symlink,
+		       sizeof(ufs_inode->ui_u2.ui_symlink) - 1);
+		ufsi->i_u1.i_symlink[sizeof(ufs_inode->ui_u2.ui_symlink) - 1] = 0;
 	}
-	ufsi->i_osync = 0;
-
-	if (S_ISREG(inode->i_mode)) {
-		inode->i_op = &ufs_file_inode_operations;
-		inode->i_fop = &ufs_file_operations;
-		inode->i_mapping->a_ops = &ufs_aops;
-	} else if (S_ISDIR(inode->i_mode)) {
-		inode->i_op = &ufs_dir_inode_operations;
-		inode->i_fop = &ufs_dir_operations;
-	} else if (S_ISLNK(inode->i_mode)) {
-		if (!inode->i_blocks)
-			inode->i_op = &ufs_fast_symlink_inode_operations;
-		else {
-			inode->i_op = &page_symlink_inode_operations;
-			inode->i_mapping->a_ops = &ufs_aops;
-		}
-	} else
-		init_special_inode(inode, inode->i_mode,
-			ufs_get_inode_dev(sb, ufsi));
-
-	brelse (bh);
-
-	UFSD(("EXIT\n"))
-	return;
-
-bad_inode:
-	make_bad_inode(inode);
-	return;
-
-ufs2_inode :
-	UFSD(("Reading ufs2 inode, ino %lu\n", inode->i_ino))
+	return 0;
+}
 
-	ufs2_inode = (struct ufs2_inode *)(bh->b_data + sizeof(struct ufs2_inode) * ufs_inotofsbo(inode->i_ino));
+static int ufs2_read_inode(struct inode *inode, struct ufs2_inode *ufs2_inode)
+{
+	struct ufs_inode_info *ufsi = UFS_I(inode);
+	struct super_block *sb = inode->i_sb;
+	umode_t mode;
 
+	UFSD("Reading ufs2 inode, ino %lu\n", inode->i_ino);
 	/*
 	 * Copy data to the in-core inode.
 	 */
 	inode->i_mode = mode = fs16_to_cpu(sb, ufs2_inode->ui_mode);
-	inode->i_nlink = fs16_to_cpu(sb, ufs2_inode->ui_nlink);
-	if (inode->i_nlink == 0)
+	set_nlink(inode, fs16_to_cpu(sb, ufs2_inode->ui_nlink));
+	if (inode->i_nlink == 0) {
 		ufs_error (sb, "ufs_read_inode", "inode %lu has zero nlink\n", inode->i_ino);
+		return -1;
+	}
 
         /*
          * Linux now has 32-bit uid and gid, so we can support EFT.
          */
-	inode->i_uid = fs32_to_cpu(sb, ufs2_inode->ui_uid);
-	inode->i_gid = fs32_to_cpu(sb, ufs2_inode->ui_gid);
+	i_uid_write(inode, fs32_to_cpu(sb, ufs2_inode->ui_uid));
+	i_gid_write(inode, fs32_to_cpu(sb, ufs2_inode->ui_gid));
 
 	inode->i_size = fs64_to_cpu(sb, ufs2_inode->ui_size);
-	inode->i_atime.tv_sec = fs32_to_cpu(sb, ufs2_inode->ui_atime.tv_sec);
-	inode->i_ctime.tv_sec = fs32_to_cpu(sb, ufs2_inode->ui_ctime.tv_sec);
-	inode->i_mtime.tv_sec = fs32_to_cpu(sb, ufs2_inode->ui_mtime.tv_sec);
-	inode->i_mtime.tv_nsec = 0;
-	inode->i_atime.tv_nsec = 0;
-	inode->i_ctime.tv_nsec = 0;
+	inode->i_atime.tv_sec = fs64_to_cpu(sb, ufs2_inode->ui_atime);
+	inode->i_ctime.tv_sec = fs64_to_cpu(sb, ufs2_inode->ui_ctime);
+	inode->i_mtime.tv_sec = fs64_to_cpu(sb, ufs2_inode->ui_mtime);
+	inode->i_atime.tv_nsec = fs32_to_cpu(sb, ufs2_inode->ui_atimensec);
+	inode->i_ctime.tv_nsec = fs32_to_cpu(sb, ufs2_inode->ui_ctimensec);
+	inode->i_mtime.tv_nsec = fs32_to_cpu(sb, ufs2_inode->ui_mtimensec);
 	inode->i_blocks = fs64_to_cpu(sb, ufs2_inode->ui_blocks);
-	inode->i_blksize = PAGE_SIZE; /*This is the optimal IO size(for stat)*/
-
-	inode->i_version++;
+	inode->i_generation = fs32_to_cpu(sb, ufs2_inode->ui_gen);
 	ufsi->i_flags = fs32_to_cpu(sb, ufs2_inode->ui_flags);
-	ufsi->i_gen = fs32_to_cpu(sb, ufs2_inode->ui_gen);
 	/*
 	ufsi->i_shadow = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_shadow);
 	ufsi->i_oeftflag = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_oeftflag);
 	*/
-	ufsi->i_lastfrag= (inode->i_size + uspi->s_fsize- 1) >> uspi->s_fshift;
 
 	if (S_ISCHR(mode) || S_ISBLK(mode) || inode->i_blocks) {
-		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR); i++)
-			ufsi->i_u1.u2_i_data[i] =
-				ufs2_inode->ui_u2.ui_addr.ui_db[i];
-	}
-	else {
-		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR) * 4; i++)
-			ufsi->i_u1.i_symlink[i] = ufs2_inode->ui_u2.ui_symlink[i];
+		memcpy(ufsi->i_u1.u2_i_data, &ufs2_inode->ui_u2.ui_addr,
+		       sizeof(ufs2_inode->ui_u2.ui_addr));
+	} else {
+		memcpy(ufsi->i_u1.i_symlink, ufs2_inode->ui_u2.ui_symlink,
+		       sizeof(ufs2_inode->ui_u2.ui_symlink) - 1);
+		ufsi->i_u1.i_symlink[sizeof(ufs2_inode->ui_u2.ui_symlink) - 1] = 0;
 	}
-	ufsi->i_osync = 0;
-
-	if (S_ISREG(inode->i_mode)) {
-		inode->i_op = &ufs_file_inode_operations;
-		inode->i_fop = &ufs_file_operations;
-		inode->i_mapping->a_ops = &ufs_aops;
-	} else if (S_ISDIR(inode->i_mode)) {
-		inode->i_op = &ufs_dir_inode_operations;
-		inode->i_fop = &ufs_dir_operations;
-	} else if (S_ISLNK(inode->i_mode)) {
-		if (!inode->i_blocks)
-			inode->i_op = &ufs_fast_symlink_inode_operations;
-		else {
-			inode->i_op = &page_symlink_inode_operations;
-			inode->i_mapping->a_ops = &ufs_aops;
-		}
-	} else   /* TODO  : here ...*/
-		init_special_inode(inode, inode->i_mode,
-			ufs_get_inode_dev(sb, ufsi));
-
-	brelse(bh);
-
-	UFSD(("EXIT\n"))
-	return;
+	return 0;
 }
 
-static int ufs_update_inode(struct inode * inode, int do_sync)
+struct inode *ufs_iget(struct super_block *sb, unsigned long ino)
 {
-	struct ufs_inode_info *ufsi = UFS_I(inode);
-	struct super_block * sb;
-	struct ufs_sb_private_info * uspi;
+	struct ufs_inode_info *ufsi;
+	struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
 	struct buffer_head * bh;
-	struct ufs_inode * ufs_inode;
-	unsigned i;
-	unsigned flags;
+	struct inode *inode;
+	int err;
 
-	UFSD(("ENTER, ino %lu\n", inode->i_ino))
+	UFSD("ENTER, ino %lu\n", ino);
 
-	sb = inode->i_sb;
-	uspi = UFS_SB(sb)->s_uspi;
-	flags = UFS_SB(sb)->s_flags;
-
-	if (inode->i_ino < UFS_ROOTINO || 
-	    inode->i_ino > (uspi->s_ncg * uspi->s_ipg)) {
-		ufs_warning (sb, "ufs_read_inode", "bad inode number (%lu)\n", inode->i_ino);
-		return -1;
+	if (ino < UFS_ROOTINO || ino > (uspi->s_ncg * uspi->s_ipg)) {
+		ufs_warning(sb, "ufs_read_inode", "bad inode number (%lu)\n",
+			    ino);
+		return ERR_PTR(-EIO);
 	}
 
-	bh = sb_bread(sb, ufs_inotofsba(inode->i_ino));
+	inode = iget_locked(sb, ino);
+	if (!inode)
+		return ERR_PTR(-ENOMEM);
+	if (!(inode->i_state & I_NEW))
+		return inode;
+
+	ufsi = UFS_I(inode);
+
+	bh = sb_bread(sb, uspi->s_sbbase + ufs_inotofsba(inode->i_ino));
 	if (!bh) {
-		ufs_warning (sb, "ufs_read_inode", "unable to read inode %lu\n", inode->i_ino);
-		return -1;
+		ufs_warning(sb, "ufs_read_inode", "unable to read inode %lu\n",
+			    inode->i_ino);
+		goto bad_inode;
+	}
+	if ((UFS_SB(sb)->s_flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2) {
+		struct ufs2_inode *ufs2_inode = (struct ufs2_inode *)bh->b_data;
+
+		err = ufs2_read_inode(inode,
+				      ufs2_inode + ufs_inotofsbo(inode->i_ino));
+	} else {
+		struct ufs_inode *ufs_inode = (struct ufs_inode *)bh->b_data;
+
+		err = ufs1_read_inode(inode,
+				      ufs_inode + ufs_inotofsbo(inode->i_ino));
 	}
-	ufs_inode = (struct ufs_inode *) (bh->b_data + ufs_inotofsbo(inode->i_ino) * sizeof(struct ufs_inode));
+
+	if (err)
+		goto bad_inode;
+	inode->i_version++;
+	ufsi->i_lastfrag =
+		(inode->i_size + uspi->s_fsize - 1) >> uspi->s_fshift;
+	ufsi->i_dir_start_lookup = 0;
+	ufsi->i_osync = 0;
+
+	ufs_set_inode_ops(inode);
+
+	brelse(bh);
+
+	UFSD("EXIT\n");
+	unlock_new_inode(inode);
+	return inode;
+
+bad_inode:
+	iget_failed(inode);
+	return ERR_PTR(-EIO);
+}
+
+static void ufs1_update_inode(struct inode *inode, struct ufs_inode *ufs_inode)
+{
+	struct super_block *sb = inode->i_sb;
+ 	struct ufs_inode_info *ufsi = UFS_I(inode);
 
 	ufs_inode->ui_mode = cpu_to_fs16(sb, inode->i_mode);
 	ufs_inode->ui_nlink = cpu_to_fs16(sb, inode->i_nlink);
 
-	ufs_set_inode_uid(sb, ufs_inode, inode->i_uid);
-	ufs_set_inode_gid(sb, ufs_inode, inode->i_gid);
+	ufs_set_inode_uid(sb, ufs_inode, i_uid_read(inode));
+	ufs_set_inode_gid(sb, ufs_inode, i_gid_read(inode));
 		
 	ufs_inode->ui_size = cpu_to_fs64(sb, inode->i_size);
 	ufs_inode->ui_atime.tv_sec = cpu_to_fs32(sb, inode->i_atime.tv_sec);
@@ -758,9 +762,9 @@ static int ufs_update_inode(struct inode * inode, int do_sync)
 	ufs_inode->ui_mtime.tv_usec = 0;
 	ufs_inode->ui_blocks = cpu_to_fs32(sb, inode->i_blocks);
 	ufs_inode->ui_flags = cpu_to_fs32(sb, ufsi->i_flags);
-	ufs_inode->ui_gen = cpu_to_fs32(sb, ufsi->i_gen);
+	ufs_inode->ui_gen = cpu_to_fs32(sb, inode->i_generation);
 
-	if ((flags & UFS_UID_MASK) == UFS_UID_EFT) {
+	if ((UFS_SB(sb)->s_flags & UFS_UID_MASK) == UFS_UID_EFT) {
 		ufs_inode->ui_u3.ui_sun.ui_shadow = cpu_to_fs32(sb, ufsi->i_shadow);
 		ufs_inode->ui_u3.ui_sun.ui_oeftflag = cpu_to_fs32(sb, ufsi->i_oeftflag);
 	}
@@ -769,32 +773,103 @@ static int ufs_update_inode(struct inode * inode, int do_sync)
 		/* ufs_inode->ui_u2.ui_addr.ui_db[0] = cpu_to_fs32(sb, inode->i_rdev); */
 		ufs_inode->ui_u2.ui_addr.ui_db[0] = ufsi->i_u1.i_data[0];
 	} else if (inode->i_blocks) {
-		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR); i++)
-			ufs_inode->ui_u2.ui_addr.ui_db[i] = ufsi->i_u1.i_data[i];
+		memcpy(&ufs_inode->ui_u2.ui_addr, ufsi->i_u1.i_data,
+		       sizeof(ufs_inode->ui_u2.ui_addr));
 	}
 	else {
-		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR) * 4; i++)
-			ufs_inode->ui_u2.ui_symlink[i] = ufsi->i_u1.i_symlink[i];
+		memcpy(&ufs_inode->ui_u2.ui_symlink, ufsi->i_u1.i_symlink,
+		       sizeof(ufs_inode->ui_u2.ui_symlink));
 	}
 
 	if (!inode->i_nlink)
 		memset (ufs_inode, 0, sizeof(struct ufs_inode));
+}
+
+static void ufs2_update_inode(struct inode *inode, struct ufs2_inode *ufs_inode)
+{
+	struct super_block *sb = inode->i_sb;
+ 	struct ufs_inode_info *ufsi = UFS_I(inode);
+
+	UFSD("ENTER\n");
+	ufs_inode->ui_mode = cpu_to_fs16(sb, inode->i_mode);
+	ufs_inode->ui_nlink = cpu_to_fs16(sb, inode->i_nlink);
+
+	ufs_inode->ui_uid = cpu_to_fs32(sb, i_uid_read(inode));
+	ufs_inode->ui_gid = cpu_to_fs32(sb, i_gid_read(inode));
+
+	ufs_inode->ui_size = cpu_to_fs64(sb, inode->i_size);
+	ufs_inode->ui_atime = cpu_to_fs64(sb, inode->i_atime.tv_sec);
+	ufs_inode->ui_atimensec = cpu_to_fs32(sb, inode->i_atime.tv_nsec);
+	ufs_inode->ui_ctime = cpu_to_fs64(sb, inode->i_ctime.tv_sec);
+	ufs_inode->ui_ctimensec = cpu_to_fs32(sb, inode->i_ctime.tv_nsec);
+	ufs_inode->ui_mtime = cpu_to_fs64(sb, inode->i_mtime.tv_sec);
+	ufs_inode->ui_mtimensec = cpu_to_fs32(sb, inode->i_mtime.tv_nsec);
+
+	ufs_inode->ui_blocks = cpu_to_fs64(sb, inode->i_blocks);
+	ufs_inode->ui_flags = cpu_to_fs32(sb, ufsi->i_flags);
+	ufs_inode->ui_gen = cpu_to_fs32(sb, inode->i_generation);
+
+	if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
+		/* ufs_inode->ui_u2.ui_addr.ui_db[0] = cpu_to_fs32(sb, inode->i_rdev); */
+		ufs_inode->ui_u2.ui_addr.ui_db[0] = ufsi->i_u1.u2_i_data[0];
+	} else if (inode->i_blocks) {
+		memcpy(&ufs_inode->ui_u2.ui_addr, ufsi->i_u1.u2_i_data,
+		       sizeof(ufs_inode->ui_u2.ui_addr));
+	} else {
+		memcpy(&ufs_inode->ui_u2.ui_symlink, ufsi->i_u1.i_symlink,
+		       sizeof(ufs_inode->ui_u2.ui_symlink));
+ 	}
+
+	if (!inode->i_nlink)
+		memset (ufs_inode, 0, sizeof(struct ufs2_inode));
+	UFSD("EXIT\n");
+}
+
+static int ufs_update_inode(struct inode * inode, int do_sync)
+{
+	struct super_block *sb = inode->i_sb;
+	struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
+	struct buffer_head * bh;
+
+	UFSD("ENTER, ino %lu\n", inode->i_ino);
+
+	if (inode->i_ino < UFS_ROOTINO ||
+	    inode->i_ino > (uspi->s_ncg * uspi->s_ipg)) {
+		ufs_warning (sb, "ufs_read_inode", "bad inode number (%lu)\n", inode->i_ino);
+		return -1;
+	}
+
+	bh = sb_bread(sb, ufs_inotofsba(inode->i_ino));
+	if (!bh) {
+		ufs_warning (sb, "ufs_read_inode", "unable to read inode %lu\n", inode->i_ino);
+		return -1;
+	}
+	if (uspi->fs_magic == UFS2_MAGIC) {
+		struct ufs2_inode *ufs2_inode = (struct ufs2_inode *)bh->b_data;
+
+		ufs2_update_inode(inode,
+				  ufs2_inode + ufs_inotofsbo(inode->i_ino));
+	} else {
+		struct ufs_inode *ufs_inode = (struct ufs_inode *) bh->b_data;
+
+		ufs1_update_inode(inode, ufs_inode + ufs_inotofsbo(inode->i_ino));
+	}
 		
 	mark_buffer_dirty(bh);
 	if (do_sync)
 		sync_dirty_buffer(bh);
 	brelse (bh);
 	
-	UFSD(("EXIT\n"))
+	UFSD("EXIT\n");
 	return 0;
 }
 
-int ufs_write_inode (struct inode * inode, int wait)
+int ufs_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	int ret;
-	lock_kernel();
-	ret = ufs_update_inode (inode, wait);
-	unlock_kernel();
+	lock_ufs(inode->i_sb);
+	ret = ufs_update_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
+	unlock_ufs(inode->i_sb);
 	return ret;
 }
 
@@ -803,16 +878,33 @@ int ufs_sync_inode (struct inode *inode)
 	return ufs_update_inode (inode, 1);
 }
 
-void ufs_delete_inode (struct inode * inode)
+void ufs_evict_inode(struct inode * inode)
 {
-	truncate_inode_pages(&inode->i_data, 0);
-	/*UFS_I(inode)->i_dtime = CURRENT_TIME;*/
-	lock_kernel();
-	mark_inode_dirty(inode);
-	ufs_update_inode(inode, IS_SYNC(inode));
-	inode->i_size = 0;
-	if (inode->i_blocks)
-		ufs_truncate (inode);
-	ufs_free_inode (inode);
-	unlock_kernel();
+	int want_delete = 0;
+
+	if (!inode->i_nlink && !is_bad_inode(inode))
+		want_delete = 1;
+
+	truncate_inode_pages_final(&inode->i_data);
+	if (want_delete) {
+		loff_t old_i_size;
+		/*UFS_I(inode)->i_dtime = CURRENT_TIME;*/
+		lock_ufs(inode->i_sb);
+		mark_inode_dirty(inode);
+		ufs_update_inode(inode, IS_SYNC(inode));
+		old_i_size = inode->i_size;
+		inode->i_size = 0;
+		if (inode->i_blocks && ufs_truncate(inode, old_i_size))
+			ufs_warning(inode->i_sb, __func__, "ufs_truncate failed\n");
+		unlock_ufs(inode->i_sb);
+	}
+
+	invalidate_inode_buffers(inode);
+	clear_inode(inode);
+
+	if (want_delete) {
+		lock_ufs(inode->i_sb);
+		ufs_free_inode (inode);
+		unlock_ufs(inode->i_sb);
+	}
 }