hfs: drop vmtruncate
authorMarco Stornelli <marco.stornelli@gmail.com>
Sat, 15 Dec 2012 10:53:15 +0000 (11:53 +0100)
committerAl Viro <viro@zeniv.linux.org.uk>
Thu, 20 Dec 2012 19:00:01 +0000 (14:00 -0500)
Removed vmtruncate

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

index 0b35903219bc1056d4c1c3260ec75d7b68a1b269..d47f11658c178028273ce5e8853f624e923236ad 100644 (file)
@@ -35,6 +35,16 @@ static int hfs_readpage(struct file *file, struct page *page)
        return block_read_full_page(page, hfs_get_block);
 }
 
+static void hfs_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);
+               hfs_file_truncate(inode);
+       }
+}
+
 static int hfs_write_begin(struct file *file, struct address_space *mapping,
                        loff_t pos, unsigned len, unsigned flags,
                        struct page **pagep, void **fsdata)
@@ -45,11 +55,8 @@ static int hfs_write_begin(struct file *file, struct address_space *mapping,
        ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
                                hfs_get_block,
                                &HFS_I(mapping->host)->phys_size);
-       if (unlikely(ret)) {
-               loff_t isize = mapping->host->i_size;
-               if (pos + len > isize)
-                       vmtruncate(mapping->host, isize);
-       }
+       if (unlikely(ret))
+               hfs_write_failed(mapping, pos + len);
 
        return ret;
 }
@@ -120,6 +127,7 @@ static ssize_t hfs_direct_IO(int rw, struct kiocb *iocb,
                const struct iovec *iov, loff_t offset, unsigned long nr_segs)
 {
        struct file *file = iocb->ki_filp;
+       struct address_space *mapping = file->f_mapping;
        struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host;
        ssize_t ret;
 
@@ -135,7 +143,7 @@ static ssize_t hfs_direct_IO(int rw, struct kiocb *iocb,
                loff_t end = offset + iov_length(iov, nr_segs);
 
                if (end > isize)
-                       vmtruncate(inode, isize);
+                       hfs_write_failed(mapping, end);
        }
 
        return ret;
@@ -617,9 +625,12 @@ int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr)
            attr->ia_size != i_size_read(inode)) {
                inode_dio_wait(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);
+               hfs_file_truncate(inode);
        }
 
        setattr_copy(inode, attr);
@@ -668,7 +679,6 @@ static const struct file_operations hfs_file_operations = {
 
 static const struct inode_operations hfs_file_inode_operations = {
        .lookup         = hfs_file_lookup,
-       .truncate       = hfs_file_truncate,
        .setattr        = hfs_inode_setattr,
        .setxattr       = hfs_setxattr,
        .getxattr       = hfs_getxattr,