From: Jan Kara <jack@suse.cz>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
LKML <linux-kernel@vger.kernel.org>,
Al Viro <viro@ZenIV.linux.org.uk>,
Christoph Hellwig <hch@infradead.org>, Jan Kara <jack@suse.cz>
Subject: [PATCH 2/7] fs: Push file_update_time() into __block_page_mkwrite()
Date: Mon, 5 Mar 2012 15:54:13 +0100 [thread overview]
Message-ID: <1330959258-23211-3-git-send-email-jack@suse.cz> (raw)
In-Reply-To: <1330959258-23211-1-git-send-email-jack@suse.cz>
Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/buffer.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/fs/buffer.c b/fs/buffer.c
index 1a30db7..5294a33 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2300,6 +2300,12 @@ int __block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
loff_t size;
int ret;
+ /*
+ * Update file times before taking page lock. We may end up failing the
+ * fault so this update may be superfluous but who really cares...
+ */
+ file_update_time(vma->vm_file);
+
lock_page(page);
size = i_size_read(inode);
if ((page->mapping != inode->i_mapping) ||
--
1.7.1
--
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next prev parent reply other threads:[~2012-03-05 14:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-05 14:54 [PATCH 0/7 v3] Push file_update_time() into .page_mkwrite Jan Kara
2012-03-05 14:54 ` [PATCH 1/7] fb_defio: Push file_update_time() into fb_deferred_io_mkwrite() Jan Kara
2012-03-05 14:54 ` Jan Kara [this message]
2012-03-05 14:54 ` [PATCH 3/7] ceph: Push file_update_time() into ceph_page_mkwrite() Jan Kara
2012-03-05 14:54 ` [PATCH 4/7] 9p: Push file_update_time() into v9fs_vm_page_mkwrite() Jan Kara
2012-03-05 14:54 ` [PATCH 5/7] gfs2: Push file_update_time() into gfs2_page_mkwrite() Jan Kara
2012-03-05 14:54 ` [PATCH 6/7] sysfs: Push file_update_time() into bin_page_mkwrite() Jan Kara
2012-03-05 14:54 ` [PATCH 7/7] mm: Update file times from fault path only if .page_mkwrite is not set Jan Kara
2012-03-11 20:23 ` [PATCH 0/7 v3] Push file_update_time() into .page_mkwrite Kamal Mostafa
2012-03-12 8:22 ` Jan Kara
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