sysv: drop vmtruncate

Removed vmtruncate

Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/sysv/file.c b/fs/sysv/file.c
index 0a65939..9d4dc68 100644 (file)
--- a/fs/sysv/file.c
+++ b/fs/sysv/file.c
@@ -41,9 +41,11 @@ static int sysv_setattr(struct dentry *dentry, struct iattr *attr)
 
        if ((attr->ia_valid & ATTR_SIZE) &&
            attr->ia_size != i_size_read(inode)) {
-               error = vmtruncate(inode, attr->ia_size);
+               error = inode_newsize_ok(inode, attr->ia_size);
                if (error)
                        return error;
+               truncate_setsize(inode, attr->ia_size);
+               sysv_truncate(inode);
        }
 
        setattr_copy(inode, attr);
@@ -52,7 +54,6 @@ static int sysv_setattr(struct dentry *dentry, struct iattr *attr)
 }
 
 const struct inode_operations sysv_file_inode_operations = {
-       .truncate       = sysv_truncate,
        .setattr        = sysv_setattr,
        .getattr        = sysv_getattr,
 };

diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c
index 90b54b4..c1a591a 100644 (file)
--- a/fs/sysv/itree.c
+++ b/fs/sysv/itree.c
@@ -464,6 +464,16 @@ int sysv_prepare_chunk(struct page *page, loff_t pos, unsigned len)
        return __block_write_begin(page, pos, len, get_block);
 }
 
+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);
+               sysv_truncate(inode);
+       }
+}
+
 static int sysv_write_begin(struct file *file, struct address_space *mapping,
                        loff_t pos, unsigned len, unsigned flags,
                        struct page **pagep, void **fsdata)
@@ -471,11 +481,8 @@ static int sysv_write_begin(struct file *file, struct address_space *mapping,
        int ret;
 
        ret = block_write_begin(mapping, pos, len, flags, pagep, get_block);
-       if (unlikely(ret)) {
-               loff_t isize = mapping->host->i_size;
-               if (pos + len > isize)
-                       vmtruncate(mapping->host, isize);
-       }
+       if (unlikely(ret))
+               sysv_write_failed(mapping, pos + len);
 
        return ret;
 }