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authorDavid Howells <dhowells@redhat.com>2020-06-12 02:15:13 +0300
committerDavid Howells <dhowells@redhat.com>2020-06-15 17:41:02 +0300
commitbb413489288e4e457353bac513fddb6330d245ca (patch)
treee48e7cee846422809b72acc3b34d979ed50481b5 /fs
parentb3a9e3b9622ae10064826dccb4f7a52bd88c7407 (diff)
downloadlinux-bb413489288e4e457353bac513fddb6330d245ca.tar.xz
afs: Fix non-setting of mtime when writing into mmap
The mtime on an inode needs to be updated when a write is made into an mmap'ed section. There are three ways in which this could be done: update it when page_mkwrite is called, update it when a page is changed from dirty to writeback or leave it to the server and fix the mtime up from the reply to the StoreData RPC. Found with the generic/215 xfstest. Fixes: 1cf7a1518aef ("afs: Implement shared-writeable mmap") Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/afs/write.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/afs/write.c b/fs/afs/write.c
index 768497f82aee..9270bb01be67 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -844,6 +844,7 @@ vm_fault_t afs_page_mkwrite(struct vm_fault *vmf)
vmf->page->index, priv);
SetPagePrivate(vmf->page);
set_page_private(vmf->page, priv);
+ file_update_time(file);
sb_end_pagefault(inode->i_sb);
return VM_FAULT_LOCKED;