jfs: 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/jfs/file.c b/fs/jfs/file.c
index 9d3afd1..dd7442c 100644 (file)
--- a/fs/jfs/file.c
+++ b/fs/jfs/file.c
@@ -119,9 +119,12 @@ int jfs_setattr(struct dentry *dentry, struct iattr *iattr)
            iattr->ia_size != i_size_read(inode)) {
                inode_dio_wait(inode);
 
-               rc = vmtruncate(inode, iattr->ia_size);
+               rc = inode_newsize_ok(inode, iattr->ia_size);
                if (rc)
                        return rc;
+
+               truncate_setsize(inode, iattr->ia_size);
+               jfs_truncate(inode);
        }
 
        setattr_copy(inode, iattr);
@@ -133,7 +136,6 @@ int jfs_setattr(struct dentry *dentry, struct iattr *iattr)
 }
 
 const struct inode_operations jfs_file_inode_operations = {
-       .truncate       = jfs_truncate,
        .setxattr       = jfs_setxattr,
        .getxattr       = jfs_getxattr,
        .listxattr      = jfs_listxattr,

diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index 4692bf3..b7dc47b 100644 (file)
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -300,6 +300,16 @@ static int jfs_readpages(struct file *file, struct address_space *mapping,
        return mpage_readpages(mapping, pages, nr_pages, jfs_get_block);
 }
 
+static void jfs_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);
+               jfs_truncate(inode);
+       }
+}
+
 static int jfs_write_begin(struct file *file, struct address_space *mapping,
                                loff_t pos, unsigned len, unsigned flags,
                                struct page **pagep, void **fsdata)
@@ -308,11 +318,8 @@ static int jfs_write_begin(struct file *file, struct address_space *mapping,
 
        ret = nobh_write_begin(mapping, pos, len, flags, pagep, fsdata,
                                jfs_get_block);
-       if (unlikely(ret)) {
-               loff_t isize = mapping->host->i_size;
-               if (pos + len > isize)
-                       vmtruncate(mapping->host, isize);
-       }
+       if (unlikely(ret))
+               jfs_write_failed(mapping, pos + len);
 
        return ret;
 }
@@ -326,6 +333,7 @@ static ssize_t jfs_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_mapping->host;
        ssize_t ret;
 
@@ -341,7 +349,7 @@ static ssize_t jfs_direct_IO(int rw, struct kiocb *iocb,
                loff_t end = offset + iov_length(iov, nr_segs);
 
                if (end > isize)
-                       vmtruncate(inode, isize);
+                       jfs_write_failed(mapping, end);
        }
 
        return ret;