Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8f7b3d156d348b6766833cd4e272d0d19b501e64
Commit:     8f7b3d156d348b6766833cd4e272d0d19b501e64
Parent:     667984d9e481e43a930a478c588dced98cb61fea
Author:     Anton Salikhmetov <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 23 02:21:18 2008 +0300
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed Jan 23 09:58:55 2008 -0800

    Update ctime and mtime for memory-mapped files
    
    Update ctime and mtime for memory-mapped files at a write access on
    a present, read-only PTE, as well as at a write on a non-present PTE.
    
    Signed-off-by: Anton Salikhmetov <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
 mm/memory.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/mm/memory.c b/mm/memory.c
index 6dd1cd8..4b0144b 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1670,6 +1670,9 @@ gotten:
 unlock:
        pte_unmap_unlock(page_table, ptl);
        if (dirty_page) {
+               if (vma->vm_file)
+                       file_update_time(vma->vm_file);
+
                /*
                 * Yes, Virginia, this is actually required to prevent a race
                 * with clear_page_dirty_for_io() from clearing the page dirty
@@ -2343,6 +2346,9 @@ out_unlocked:
        if (anon)
                page_cache_release(vmf.page);
        else if (dirty_page) {
+               if (vma->vm_file)
+                       file_update_time(vma->vm_file);
+
                set_page_dirty_balance(dirty_page, page_mkwrite);
                put_page(dirty_page);
        }
-
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