mapping_set_gfp_mask(mapping, GFP_NOFS);
page = read_mapping_page(mapping, n, NULL);
if (!IS_ERR(page)) {
- wait_on_page_locked(page);
kmap(page);
- if (!PageUptodate(page))
- goto fail;
-
if (PageError(page))
goto fail;
}
return csum_partial(msg, len, 0);
}
+int reiserfs_commit_write(struct file *f, struct page *page,
+ unsigned from, unsigned to);
+int reiserfs_prepare_write(struct file *f, struct page *page,
+ unsigned from, unsigned to);
+
+
/* Generic extended attribute operations that can be used by xa plugins */
/*
/* Resize it so we're ok to write there */
newattrs.ia_size = buffer_size;
newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME;
- mutex_lock(&xinode->i_mutex);
+ mutex_lock_nested(&xinode->i_mutex, I_MUTEX_XATTR);
err = notify_change(fp->f_path.dentry, &newattrs);
if (err)
goto out_filp;
rxh->h_hash = cpu_to_le32(xahash);
}
- err = mapping->a_ops->prepare_write(fp, page, page_offset,
- page_offset + chunk + skip);
+ err = reiserfs_prepare_write(fp, page, page_offset,
+ page_offset + chunk + skip);
if (!err) {
if (buffer)
memcpy(data + skip, buffer + buffer_pos, chunk);
err =
- mapping->a_ops->commit_write(fp, page, page_offset,
- page_offset + chunk +
- skip);
+ reiserfs_commit_write(fp, page, page_offset,
+ page_offset + chunk +
+ skip);
}
unlock_page(page);
reiserfs_put_page(page);
if (!IS_ERR(dentry)) {
if (!(mount_flags & MS_RDONLY) && !dentry->d_inode) {
struct inode *inode = dentry->d_parent->d_inode;
- mutex_lock(&inode->i_mutex);
+ mutex_lock_nested(&inode->i_mutex,
+ I_MUTEX_XATTR);
err = inode->i_op->mkdir(inode, dentry, 0700);
mutex_unlock(&inode->i_mutex);
if (err) {