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Message-ID: <20150325111858.GA5599@suse.de> Date: Wed, 25 Mar 2015 11:18:58 +0000 From: Mel Gorman <mgorman@...e.de> To: Josef Bacik <jbacik@...com> Cc: linux-fsdevel@...r.kernel.org, david@...morbit.com, viro@...iv.linux.org.uk, jack@...e.cz, linux-kernel@...r.kernel.org Subject: Re: [PATCH 0/9] Sync and VFS scalability improvements On Tue, Mar 10, 2015 at 03:45:15PM -0400, Josef Bacik wrote: > These are patches that Dave Chinner wrote two years ago that are still very much > needed today. I recently ran into a problem where I had millions of inodes that > needed to be evicted at unmount time and it soft locked up the box and kept any > other file system from doing work. These patches fix this problem by breaking > the inode_sb_list_lock into per-sb, and then converting the per sb inode list > into a list_lru for better scalability. > I'm not reviewing this series, I just heard it mentioned at LSF/MM and again on a DAX thread and am taking a quick glance out of curiousity. FWIW, I saw the lockup-on-umount warning every time I ran Dave's xfsrepair workload when unmounting after running fsmark. I didn't report it because Dave mentioned at Vault that it was a known problem and someone was looking at it already. -- Mel Gorman SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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