[PATCH 05/11] cifs: Push file_update_time() into cifs_page_mkwrite()

[Jan Kara]

CC: Steve French <sfrench@xxxxxxxxx>
CC: linux-cifs@xxxxxxxxxxxxxxx
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
 fs/cifs/file.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

  BTW: How does cifs_page_mkwrite() protect against races with truncate?
See e.g. checks in __block_page_mkwrite()...

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 4dd9283..8e3b23b 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2425,6 +2425,9 @@ cifs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
 	struct page *page = vmf->page;
 
+	/* Update file times before taking page lock */
+	file_update_time(vma->vm_file);
+
 	lock_page(page);
 	return VM_FAULT_LOCKED;
 }
-- 
1.7.1

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