nilfs2: implement calculation of free inodes count

[cascardo/linux.git] / fs / affs / file.c

diff --git a/fs/affs/file.c b/fs/affs/file.c
index 2f4c935..af3261b 100644 (file)
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -39,7 +39,6 @@ const struct file_operations affs_file_operations = {
 };
 
 const struct inode_operations affs_file_inode_operations = {
-       .truncate       = affs_truncate,
        .setattr        = affs_notify_change,
 };
 
@@ -402,6 +401,16 @@ static int affs_readpage(struct file *file, struct page *page)
        return block_read_full_page(page, affs_get_block);
 }
 
+static void affs_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);
+               affs_truncate(inode);
+       }
+}
+
 static int affs_write_begin(struct file *file, struct address_space *mapping,
                        loff_t pos, unsigned len, unsigned flags,
                        struct page **pagep, void **fsdata)
@@ -412,11 +421,8 @@ static int affs_write_begin(struct file *file, struct address_space *mapping,
        ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
                                affs_get_block,
                                &AFFS_I(mapping->host)->mmu_private);
-       if (unlikely(ret)) {
-               loff_t isize = mapping->host->i_size;
-               if (pos + len > isize)
-                       vmtruncate(mapping->host, isize);
-       }
+       if (unlikely(ret))
+               affs_write_failed(mapping, pos + len);
 
        return ret;
 }