inode_dio_wait(inode);
/* Serialize against page faults */
- down_write(&zi->i_mmap_sem);
+ filemap_invalidate_lock(inode->i_mapping);
/* Serialize against zonefs_iomap_begin() */
mutex_lock(&zi->i_truncate_mutex);
unlock:
mutex_unlock(&zi->i_truncate_mutex);
- up_write(&zi->i_mmap_sem);
+ filemap_invalidate_unlock(inode->i_mapping);
return ret;
}
return ret;
}
-static vm_fault_t zonefs_filemap_fault(struct vm_fault *vmf)
-{
- struct zonefs_inode_info *zi = ZONEFS_I(file_inode(vmf->vma->vm_file));
- vm_fault_t ret;
-
- down_read(&zi->i_mmap_sem);
- ret = filemap_fault(vmf);
- up_read(&zi->i_mmap_sem);
-
- return ret;
-}
-
static vm_fault_t zonefs_filemap_page_mkwrite(struct vm_fault *vmf)
{
struct inode *inode = file_inode(vmf->vma->vm_file);
file_update_time(vmf->vma->vm_file);
/* Serialize against truncates */
- down_read(&zi->i_mmap_sem);
+ filemap_invalidate_lock_shared(inode->i_mapping);
ret = iomap_page_mkwrite(vmf, &zonefs_iomap_ops);
- up_read(&zi->i_mmap_sem);
+ filemap_invalidate_unlock_shared(inode->i_mapping);
sb_end_pagefault(inode->i_sb);
return ret;
}
static const struct vm_operations_struct zonefs_file_vm_ops = {
- .fault = zonefs_filemap_fault,
+ .fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = zonefs_filemap_page_mkwrite,
};
inode_init_once(&zi->i_vnode);
mutex_init(&zi->i_truncate_mutex);
- init_rwsem(&zi->i_mmap_sem);
zi->i_wr_refcnt = 0;
return &zi->i_vnode;