6 files changed, 28 insertions, 30 deletions

diff --git a/fs/sysv/dir.c b/fs/sysv/dir.c
index a77c4215762..d42291d0821 100644
--- a/fs/sysv/dir.c
+++ b/fs/sysv/dir.c
@@ -18,12 +18,12 @@
 #include <linux/swap.h>
 #include "sysv.h"
 
-static int sysv_readdir(struct file *, void *, filldir_t);
+static int sysv_readdir(struct file *, struct dir_context *);
 
 const struct file_operations sysv_dir_operations = {
 	.llseek		= generic_file_llseek,
 	.read		= generic_read_dir,
-	.readdir	= sysv_readdir,
+	.iterate	= sysv_readdir,
 	.fsync		= generic_file_fsync,
 };
 
@@ -65,18 +65,21 @@ static struct page * dir_get_page(struct inode *dir, unsigned long n)
 	return page;
 }
 
-static int sysv_readdir(struct file * filp, void * dirent, filldir_t filldir)
+static int sysv_readdir(struct file *file, struct dir_context *ctx)
 {
-	unsigned long pos = filp->f_pos;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	unsigned long pos = ctx->pos;
+	struct inode *inode = file_inode(file);
 	struct super_block *sb = inode->i_sb;
-	unsigned offset = pos & ~PAGE_CACHE_MASK;
-	unsigned long n = pos >> PAGE_CACHE_SHIFT;
 	unsigned long npages = dir_pages(inode);
+	unsigned offset;
+	unsigned long n;
 
-	pos = (pos + SYSV_DIRSIZE-1) & ~(SYSV_DIRSIZE-1);
+	ctx->pos = pos = (pos + SYSV_DIRSIZE-1) & ~(SYSV_DIRSIZE-1);
 	if (pos >= inode->i_size)
-		goto done;
+		return 0;
+
+	offset = pos & ~PAGE_CACHE_MASK;
+	n = pos >> PAGE_CACHE_SHIFT;
 
 	for ( ; n < npages; n++, offset = 0) {
 		char *kaddr, *limit;
@@ -88,29 +91,21 @@ static int sysv_readdir(struct file * filp, void * dirent, filldir_t filldir)
 		kaddr = (char *)page_address(page);
 		de = (struct sysv_dir_entry *)(kaddr+offset);
 		limit = kaddr + PAGE_CACHE_SIZE - SYSV_DIRSIZE;
-		for ( ;(char*)de <= limit; de++) {
+		for ( ;(char*)de <= limit; de++, ctx->pos += sizeof(*de)) {
 			char *name = de->name;
-			int over;
 
 			if (!de->inode)
 				continue;
 
-			offset = (char *)de - kaddr;
-
-			over = filldir(dirent, name, strnlen(name,SYSV_NAMELEN),
-					((loff_t)n<<PAGE_CACHE_SHIFT) | offset,
+			if (!dir_emit(ctx, name, strnlen(name,SYSV_NAMELEN),
 					fs16_to_cpu(SYSV_SB(sb), de->inode),
-					DT_UNKNOWN);
-			if (over) {
+					DT_UNKNOWN)) {
 				dir_put_page(page);
-				goto done;
+				return 0;
 			}
 		}
 		dir_put_page(page);
 	}
-
-done:
-	filp->f_pos = ((loff_t)n << PAGE_CACHE_SHIFT) | offset;
 	return 0;
 }
 
diff --git a/fs/sysv/file.c b/fs/sysv/file.c
index 9d4dc683179..b00811c75b2 100644
--- a/fs/sysv/file.c
+++ b/fs/sysv/file.c
@@ -21,10 +21,10 @@
  */
 const struct file_operations sysv_file_operations = {
 	.llseek		= generic_file_llseek,
-	.read		= do_sync_read,
-	.aio_read	= generic_file_aio_read,
-	.write		= do_sync_write,
-	.aio_write	= generic_file_aio_write,
+	.read		= new_sync_read,
+	.read_iter	= generic_file_read_iter,
+	.write		= new_sync_write,
+	.write_iter	= generic_file_write_iter,
 	.mmap		= generic_file_mmap,
 	.fsync		= generic_file_fsync,
 	.splice_read	= generic_file_splice_read,
diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c
index c327d4ee123..88956309cc8 100644
--- a/fs/sysv/inode.c
+++ b/fs/sysv/inode.c
@@ -60,6 +60,7 @@ static int sysv_remount(struct super_block *sb, int *flags, char *data)
 {
 	struct sysv_sb_info *sbi = SYSV_SB(sb);
 
+	sync_filesystem(sb);
 	if (sbi->s_forced_ro)
 		*flags |= MS_RDONLY;
 	return 0;
@@ -295,7 +296,7 @@ int sysv_sync_inode(struct inode *inode)
 
 static void sysv_evict_inode(struct inode *inode)
 {
-	truncate_inode_pages(&inode->i_data, 0);
+	truncate_inode_pages_final(&inode->i_data);
 	if (!inode->i_nlink) {
 		inode->i_size = 0;
 		sysv_truncate(inode);
diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c
index c1a591a4725..66bc316927e 100644
--- a/fs/sysv/itree.c
+++ b/fs/sysv/itree.c
@@ -469,7 +469,7 @@ static void sysv_write_failed(struct address_space *mapping, loff_t to)
 	struct inode *inode = mapping->host;
 
 	if (to > inode->i_size) {
-		truncate_pagecache(inode, to, inode->i_size);
+		truncate_pagecache(inode, inode->i_size);
 		sysv_truncate(inode);
 	}
 }
diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c
index 1c0d5f26476..731b2bbcaab 100644
--- a/fs/sysv/namei.c
+++ b/fs/sysv/namei.c
@@ -27,8 +27,7 @@ static int add_nondir(struct dentry *dentry, struct inode *inode)
 	return err;
 }
 
-static int sysv_hash(const struct dentry *dentry, const struct inode *inode,
-		struct qstr *qstr)
+static int sysv_hash(const struct dentry *dentry, struct qstr *qstr)
 {
 	/* Truncate the name in place, avoids having to define a compare
 	   function. */
diff --git a/fs/sysv/super.c b/fs/sysv/super.c
index a38e87bdd78..eda10959714 100644
--- a/fs/sysv/super.c
+++ b/fs/sysv/super.c
@@ -487,6 +487,7 @@ static int v7_fill_super(struct super_block *sb, void *data, int silent)
 	sbi->s_sb = sb;
 	sbi->s_block_base = 0;
 	sbi->s_type = FSTYPE_V7;
+	mutex_init(&sbi->s_lock);
 	sb->s_fs_info = sbi;
 	
 	sb_set_blocksize(sb, 512);
@@ -545,6 +546,7 @@ static struct file_system_type sysv_fs_type = {
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("sysv");
 
 static struct file_system_type v7_fs_type = {
 	.owner		= THIS_MODULE,
@@ -553,6 +555,8 @@ static struct file_system_type v7_fs_type = {
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("v7");
+MODULE_ALIAS("v7");
 
 static int __init init_sysv_fs(void)
 {
@@ -586,5 +590,4 @@ static void __exit exit_sysv_fs(void)
 
 module_init(init_sysv_fs)
 module_exit(exit_sysv_fs)
-MODULE_ALIAS("v7");
 MODULE_LICENSE("GPL");