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Date: Thu, 04 Feb 2016 17:02:02 +0300 From: Dmitry Monakhov <dmonakhov@...nvz.org> To: Ross Zwisler <ross.zwisler@...ux.intel.com> Cc: "linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>, "H. Peter Anvin" <hpa@...or.com>, "J. Bruce Fields" <bfields@...ldses.org>, Theodore Ts'o <tytso@....edu>, Alexander Viro <viro@...iv.linux.org.uk>, Andreas Dilger <adilger.kernel@...ger.ca>, Dave Chinner <david@...morbit.com>, Ingo Molnar <mingo@...hat.com>, Jan Kara <jack@...e.com>, Jeff Layton <jlayton@...chiereds.net>, Matthew Wilcox <willy@...ux.intel.com>, Thomas Gleixner <tglx@...utronix.de>, linux-ext4 <linux-ext4@...r.kernel.org>, linux-fsdevel <linux-fsdevel@...r.kernel.org>, Linux MM <linux-mm@...ck.org>, "linux-nvdimm\@lists.01.org" <linux-nvdimm@...ts.01.org>, X86 ML <x86@...nel.org>, XFS Developers <xfs@....sgi.com>, Andrew Morton <akpm@...ux-foundation.org>, Matthew Wilcox <matthew.r.wilcox@...el.com>, Dave Hansen <dave.hansen@...ux.intel.com> Subject: [PATCH] dax: dirty inode only if required Signed-off-by: Dmitry Monakhov <dmonakhov@...nvz.org> --- fs/dax.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/dax.c b/fs/dax.c index e0e9358..fc2e314 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -358,7 +358,8 @@ static int dax_radix_entry(struct address_space *mapping, pgoff_t index, void *entry; WARN_ON_ONCE(pmd_entry && !dirty); - __mark_inode_dirty(mapping->host, I_DIRTY_PAGES); + if (dirty) + __mark_inode_dirty(mapping->host, I_DIRTY_PAGES); spin_lock_irq(&mapping->tree_lock); -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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