Messages in this thread | | | Date | Mon, 16 Mar 2015 12:39:38 +0100 | From | Jan Kara <> | Subject | Re: [PATCH 0/9] Sync and VFS scalability improvements |
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On Tue 10-03-15 15:45:15, 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've also pulled forward Dave's sync scalability patches which still seem pretty > relevant. I had to fix a couple of these to bring them forward but I touched > very little and I've preserved the authorship of everything. I added the > Reviewed-by's that were there when the patches were originally submitted. I've > run this through xfstests on btrfs and xfs and verified that everything seems to > be working. If you are interested the original submission can be found here > > http://lwn.net/Articles/561569/ > > Finally the last patch is from me and this fixes the softlockup problems I was > seeing on unmount with a large amount of inodes that needed to be evicted. Just a general process note - when resending patches like this, you should add your Signed-off-by. We know both you and Dave well so it's mostly a cosmetic thing but it's better to do it anyway...
Honza -- Jan Kara <jack@suse.cz> SUSE Labs, CR
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