VFS: introduce s_dirty accessors
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From: Al Viro on 10 Jun 2010 21:50 On Thu, Jun 10, 2010 at 01:56:33PM +0300, Artem Bityutskiy wrote: > From: Artem Bityutskiy <Artem.Bityutskiy(a)nokia.com> > > This patch introduces 3 VFS accessors: 'sb_mark_dirty()', > 'sb_mark_clean()', and 'sb_is_dirty()'. They simply > set 'sb->s_dirt' or test 'sb->s_dirt'. The plan is to make > every FS use these accessors later instead of manipulating > the 'sb->s_dirt' flag directly. > > Ultimately, this change is a preparation for the periodic > superblock synchronization optimization which is about > preventing the "sync_supers" kernel thread from waking up > even if there is nothing to synchronize. > > This patch does not do any functional change, just adds > accessor functions. Applied and pushed. It's in for-next, which should do until Linus comes back and picks it... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Artem Bityutskiy on 5 Jul 2010 09:10 On Thu, 2010-06-10 at 13:56 +0300, Artem Bityutskiy wrote: > Hi Linus, > > would it be possible to add the following patch to your tree. I'm trying > to lessen amount of useless wake-ups in the kernel, and the 'sync_supers' > thread if one of those kernel threads which wakes up every 5 seconds to > (mostly) do nothing. > > This is still work in progress, but putting the below patch to your tree > would make life easier at the next merge window. This patch just adds 3 > accessor functions, but no one will use them so fare, so it must be > harmless. This was suggested by Ted and supported by Al: > http://lkml.org/lkml/2010/6/9/216 Linus, I wonder, you did not take this because of the vacation or because you do not like it? -- Best Regards, Artem Bityutskiy (Артём Битюцкий) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: tytso on 9 Jul 2010 18:30 On Mon, Jul 05, 2010 at 04:04:27PM +0300, Artem Bityutskiy wrote: > Linus, > > I wonder, you did not take this because of the vacation or because you > do not like it? I'd suggest resending the patch to Linus. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Andrew Morton on 9 Jul 2010 18:40 On Fri, 9 Jul 2010 18:27:37 -0400 tytso(a)mit.edu wrote: > On Mon, Jul 05, 2010 at 04:04:27PM +0300, Artem Bityutskiy wrote: > > Linus, > > > > I wonder, you did not take this because of the vacation or because you > > do not like it? > > I'd suggest resending the patch to Linus. > this: : commit 140236b4b1c749c9b795ea3d11558a0eb5a3a080 : Author: Artem Bityutskiy <Artem.Bityutskiy(a)nokia.com> : Date: Thu Jun 10 13:56:33 2010 +0300 : : VFS: introduce s_dirty accessors was merged into mainline a few days ago? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Artem Bityutskiy on 10 Jul 2010 00:40
> On Fri, 9 Jul 2010 18:27:37 -0400 > tytso(a)mit.edu wrote: > this: > > : commit 140236b4b1c749c9b795ea3d11558a0eb5a3a080 > : Author: Artem Bityutskiy <Artem.Bityutskiy(a)nokia.com> > : Date: Thu Jun 10 13:56:33 2010 +0300 > : > : VFS: introduce s_dirty accessors > > was merged into mainline a few days ago? Yeah, it was merged. Now I'm patiently waiting for Al's response for the rest. -- Best Regards, Artem Bityutskiy (Артём Битюцкий) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |