hpfs: 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/hpfs/file.c b/fs/hpfs/file.c
index 89d2a58..fbfe2df 100644 (file)
--- a/fs/hpfs/file.c
+++ b/fs/hpfs/file.c
@@ -50,7 +50,7 @@ static secno hpfs_bmap(struct inode *inode, unsigned file_secno)
        return disk_secno;
 }
 
-static void hpfs_truncate(struct inode *i)
+void hpfs_truncate(struct inode *i)
 {
        if (IS_IMMUTABLE(i)) return /*-EPERM*/;
        hpfs_lock_assert(i->i_sb);
@@ -105,6 +105,16 @@ static int hpfs_readpage(struct file *file, struct page *page)
        return block_read_full_page(page,hpfs_get_block);
 }
 
+static void hpfs_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);
+               hpfs_truncate(inode);
+       }
+}
+
 static int hpfs_write_begin(struct file *file, struct address_space *mapping,
                        loff_t pos, unsigned len, unsigned flags,
                        struct page **pagep, void **fsdata)
@@ -115,11 +125,8 @@ static int hpfs_write_begin(struct file *file, struct address_space *mapping,
        ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
                                hpfs_get_block,
                                &hpfs_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))
+               hpfs_write_failed(mapping, pos + len);
 
        return ret;
 }
@@ -166,6 +173,5 @@ const struct file_operations hpfs_file_ops =
 
 const struct inode_operations hpfs_file_iops =
 {
-       .truncate       = hpfs_truncate,
        .setattr        = hpfs_setattr,
 };

diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h
index 7102aae..b7ae286 100644 (file)
--- a/fs/hpfs/hpfs_fn.h
+++ b/fs/hpfs/hpfs_fn.h
@@ -252,6 +252,7 @@ void hpfs_set_ea(struct inode *, struct fnode *, const char *,
 /* file.c */
 
 int hpfs_file_fsync(struct file *, loff_t, loff_t, int);
+void hpfs_truncate(struct inode *);
 extern const struct file_operations hpfs_file_ops;
 extern const struct inode_operations hpfs_file_iops;
 extern const struct address_space_operations hpfs_aops;

diff --git a/fs/hpfs/inode.c b/fs/hpfs/inode.c
index 804a9a8..5dc06c8 100644 (file)
--- a/fs/hpfs/inode.c
+++ b/fs/hpfs/inode.c
@@ -277,9 +277,12 @@ int hpfs_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)
                        goto out_unlock;
+
+               truncate_setsize(inode, attr->ia_size);
+               hpfs_truncate(inode);
        }
 
        setattr_copy(inode, attr);