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Date: Thu, 24 Mar 2011 07:19:46 +0200 From: "Amir G." <amir73il@...rs.sourceforge.net> To: tytso@....edu Cc: Ext4 Developers List <linux-ext4@...r.kernel.org>, Yongqiang Yang <xiaoqiangnk@...il.com> Subject: Re: ext4: removal of alloc_sem locks from block allocation paths On Wed, Mar 23, 2011 at 11:04 PM, Amir G. <amir73il@...rs.sourceforge.net> wrote: > Hi Ted, > > I have been running some more tests, including 1K, with no problems observed Take that back. My test setup was wrong. xfstest 131 does hit a BUG in ext4_mb_init_cache() with 1K blocks. I will post a fix when I have it. > and Yongqiang has also reviewed the patches. > > Is there any chance to merge these patches in current merge window? > > Thanks, > Amir. > > On Sun, Mar 20, 2011 at 11:32 PM, <amir73il@...rs.sourceforge.net> wrote: >> The purpose of this patch set is the removal of grp->alloc_sem locks >> from block allocation paths. >> >> This resulting code is cleaner and should perform better in concurrent >> allocating tasks workloads. >> >> I ran several xfstests runs with these patches (4K block only). >> I tried several online resizes and verifyed that both in-core and on-disk >> group counters are correct. >> >> ext4: move ext4_add_groupblocks() to mballoc.c >> ext4: implement ext4_add_groupblocks() by freeing blocks >> ext4: synchronize ext4_mb_init_group() with buddy page lock >> ext4: teach ext4_mb_init_cache() to skip uptodate buddy caches >> ext4: remove alloc_semp >> > -- 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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