[PARISC] Purge existing TLB entries in set_pte_at and ptep_set_wrprotect

[~andy/linux] / fs / nilfs2 / inode.c

diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 4d31d2cca7fdc3eaff7643cb67f620bce1cfd069..6b49f14eac8cdadf4bebc9f4ff9c1869b5107f12 100644 (file)
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -213,6 +213,16 @@ static int nilfs_set_page_dirty(struct page *page)
        return ret;
 }
 
+void nilfs_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);
+               nilfs_truncate(inode);
+       }
+}
+
 static int nilfs_write_begin(struct file *file, struct address_space *mapping,
                             loff_t pos, unsigned len, unsigned flags,
                             struct page **pagep, void **fsdata)
@@ -227,10 +237,7 @@ static int nilfs_write_begin(struct file *file, struct address_space *mapping,
        err = block_write_begin(mapping, pos, len, flags, pagep,
                                nilfs_get_block);
        if (unlikely(err)) {
-               loff_t isize = mapping->host->i_size;
-               if (pos + len > isize)
-                       vmtruncate(mapping->host, isize);
-
+               nilfs_write_failed(mapping, pos + len);
                nilfs_transaction_abort(inode->i_sb);
        }
        return err;
@@ -259,6 +266,7 @@ nilfs_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 size;
 
@@ -278,7 +286,7 @@ nilfs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
                loff_t end = offset + iov_length(iov, nr_segs);
 
                if (end > isize)
-                       vmtruncate(inode, isize);
+                       nilfs_write_failed(mapping, end);
        }
 
        return size;
@@ -786,10 +794,8 @@ int nilfs_setattr(struct dentry *dentry, struct iattr *iattr)
        if ((iattr->ia_valid & ATTR_SIZE) &&
            iattr->ia_size != i_size_read(inode)) {
                inode_dio_wait(inode);
-
-               err = vmtruncate(inode, iattr->ia_size);
-               if (unlikely(err))
-                       goto out_err;
+               truncate_setsize(inode, iattr->ia_size);
+               nilfs_truncate(inode);
        }
 
        setattr_copy(inode, iattr);