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-rw-r--r--fs/dax.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/dax.c b/fs/dax.c
index f6c32d831af6..d10524ab7e55 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -927,6 +927,7 @@ int dax_pfn_mkwrite(struct vm_fault *vmf)
{
struct file *file = vmf->vma->vm_file;
struct address_space *mapping = file->f_mapping;
+ struct inode *inode = mapping->host;
void *entry, **slot;
pgoff_t index = vmf->pgoff;
@@ -936,6 +937,7 @@ int dax_pfn_mkwrite(struct vm_fault *vmf)
if (entry)
put_unlocked_mapping_entry(mapping, index, entry);
spin_unlock_irq(&mapping->tree_lock);
+ trace_dax_pfn_mkwrite_no_entry(inode, vmf, VM_FAULT_NOPAGE);
return VM_FAULT_NOPAGE;
}
radix_tree_tag_set(&mapping->page_tree, index, PAGECACHE_TAG_DIRTY);
@@ -948,6 +950,7 @@ int dax_pfn_mkwrite(struct vm_fault *vmf)
*/
finish_mkwrite_fault(vmf);
put_locked_mapping_entry(mapping, index, entry);
+ trace_dax_pfn_mkwrite(inode, vmf, VM_FAULT_NOPAGE);
return VM_FAULT_NOPAGE;
}
EXPORT_SYMBOL_GPL(dax_pfn_mkwrite);