X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=fs%2Ffat%2Finode.c;h=920a576e1c25e26240c8ed583cbdfce7e4452e4e;hb=010278ec4cdf404aefc0bbd5e7406674fec95286;hp=4baa5f2053680944dcc480a95da6bbea7f384c62;hpb=20c2df83d25c6a95affe6157a4c9cac4cf5ffaac;p=safe%2Fjmp%2Flinux-2.6

diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 4baa5f2..920a576 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -141,19 +141,24 @@ static int fat_readpages(struct file *file, struct address_space *mapping,
 	return mpage_readpages(mapping, pages, nr_pages, fat_get_block);
 }
 
-static int fat_prepare_write(struct file *file, struct page *page,
-			     unsigned from, unsigned to)
+static int fat_write_begin(struct file *file, struct address_space *mapping,
+			loff_t pos, unsigned len, unsigned flags,
+			struct page **pagep, void **fsdata)
 {
-	return cont_prepare_write(page, from, to, fat_get_block,
-				  &MSDOS_I(page->mapping->host)->mmu_private);
+	*pagep = NULL;
+	return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
+				fat_get_block,
+				&MSDOS_I(mapping->host)->mmu_private);
 }
 
-static int fat_commit_write(struct file *file, struct page *page,
-			    unsigned from, unsigned to)
+static int fat_write_end(struct file *file, struct address_space *mapping,
+			loff_t pos, unsigned len, unsigned copied,
+			struct page *pagep, void *fsdata)
 {
-	struct inode *inode = page->mapping->host;
-	int err = generic_commit_write(file, page, from, to);
-	if (!err && !(MSDOS_I(inode)->i_attrs & ATTR_ARCH)) {
+	struct inode *inode = mapping->host;
+	int err;
+	err = generic_write_end(file, mapping, pos, len, copied, pagep, fsdata);
+	if (!(err < 0) && !(MSDOS_I(inode)->i_attrs & ATTR_ARCH)) {
 		inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC;
 		MSDOS_I(inode)->i_attrs |= ATTR_ARCH;
 		mark_inode_dirty(inode);
@@ -202,8 +207,8 @@ static const struct address_space_operations fat_aops = {
 	.writepage	= fat_writepage,
 	.writepages	= fat_writepages,
 	.sync_page	= block_sync_page,
-	.prepare_write	= fat_prepare_write,
-	.commit_write	= fat_commit_write,
+	.write_begin	= fat_write_begin,
+	.write_end	= fat_write_end,
 	.direct_IO	= fat_direct_IO,
 	.bmap		= _fat_bmap
 };
@@ -496,7 +501,7 @@ static void fat_destroy_inode(struct inode *inode)
 	kmem_cache_free(fat_inode_cachep, MSDOS_I(inode));
 }
 
-static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags)
+static void init_once(struct kmem_cache *cachep, void *foo)
 {
 	struct msdos_inode_info *ei = (struct msdos_inode_info *)foo;
 
@@ -648,24 +653,15 @@ static const struct super_operations fat_sops = {
  * of i_logstart is used to store the directory entry offset.
  */
 
-static struct dentry *
-fat_decode_fh(struct super_block *sb, __u32 *fh, int len, int fhtype,
-	      int (*acceptable)(void *context, struct dentry *de),
-	      void *context)
-{
-	if (fhtype != 3)
-		return ERR_PTR(-ESTALE);
-	if (len < 5)
-		return ERR_PTR(-ESTALE);
-
-	return sb->s_export_op->find_exported_dentry(sb, fh, NULL, acceptable, context);
-}
-
-static struct dentry *fat_get_dentry(struct super_block *sb, void *inump)
+static struct dentry *fat_fh_to_dentry(struct super_block *sb,
+		struct fid *fid, int fh_len, int fh_type)
 {
 	struct inode *inode = NULL;
 	struct dentry *result;
-	__u32 *fh = inump;
+	u32 *fh = fid->raw;
+
+	if (fh_len < 5 || fh_type != 3)
+		return NULL;
 
 	inode = iget(sb, fh[0]);
 	if (!inode || is_bad_inode(inode) || inode->i_generation != fh[1]) {
@@ -778,10 +774,9 @@ out:
 	return parent;
 }
 
-static struct export_operations fat_export_ops = {
-	.decode_fh	= fat_decode_fh,
+static const struct export_operations fat_export_ops = {
 	.encode_fh	= fat_encode_fh,
-	.get_dentry	= fat_get_dentry,
+	.fh_to_dentry	= fat_fh_to_dentry,
 	.get_parent	= fat_get_parent,
 };