From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anton Salikhmetov Subject: [PATCH -v8 2/4] Update ctime and mtime for memory-mapped files Date: Wed, 23 Jan 2008 02:21:18 +0300 Message-Id: <12010440822957-git-send-email-salikhmetov@gmail.com> In-Reply-To: <12010440803930-git-send-email-salikhmetov@gmail.com> References: <12010440803930-git-send-email-salikhmetov@gmail.com> Sender: owner-linux-mm@kvack.org Return-Path: To: linux-mm@kvack.org, jakob@unthought.net, linux-kernel@vger.kernel.org, valdis.kletnieks@vt.edu, riel@redhat.com, ksm@42.dk, staubach@redhat.com, jesper.juhl@gmail.com, torvalds@linux-foundation.org, a.p.zijlstra@chello.nl, akpm@linux-foundation.org, protasnb@gmail.com, miklos@szeredi.hu, r.e.wolff@bitwizard.nl, hidave.darkstar@gmail.com, hch@infradead.org List-ID: 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 --- 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); } -- 1.4.4.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org