From: Andrew Morton <akpm@linux-foundation.org>
To: David Howells <dhowells@redhat.com>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
nfsv4@linux-nfs.org, viro@ZenIV.linux.org.uk
Subject: Re: [PATCH 00/45] Permit filesystem local caching [ver #41]
Date: Fri, 21 Nov 2008 00:28:47 -0800 [thread overview]
Message-ID: <20081121002847.c8fe7aef.akpm@linux-foundation.org> (raw)
In-Reply-To: <20081120144139.10667.75519.stgit@warthog.procyon.org.uk>
On Thu, 20 Nov 2008 14:41:39 +0000 David Howells <dhowells@redhat.com> wrote:
> These patches add local caching for network filesystems such as NFS and AFS.
For performance reasons, one assumes. Are there any other reasons? Disconnected
operation, anything like that?
We would want to know the performance benefits in some detail before even
looking at the code, no? Maybe they're in here somewhere but I missed it..
next prev parent reply other threads:[~2008-11-21 8:28 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-20 14:41 [PATCH 00/45] Permit filesystem local caching [ver #41] David Howells
2008-11-20 14:41 ` [PATCH 01/45] Create a dynamically sized pool of threads for doing very slow work items " David Howells
2008-11-21 8:09 ` Andrew Morton
2008-11-21 10:24 ` David Howells
2008-11-21 18:17 ` Andrew Morton
2008-11-22 0:38 ` David Howells
2008-12-19 4:14 ` Serge E. Hallyn
2008-12-19 4:19 ` Serge E. Hallyn
2008-12-19 7:15 ` Andrew Morton
2008-12-19 11:42 ` David Howells
2008-12-19 11:44 ` David Howells
2008-12-19 12:12 ` David Howells
2008-12-19 16:52 ` Serge E. Hallyn
2008-12-19 12:54 ` David Howells
2008-11-20 14:41 ` [PATCH 02/45] Make slow-work thread pool actually dynamic " David Howells
2008-12-19 17:58 ` Serge E. Hallyn
2008-11-20 14:41 ` [PATCH 03/45] Make the slow work pool configurable " David Howells
2008-12-19 18:33 ` Serge E. Hallyn
2008-11-20 14:42 ` [PATCH 04/45] Document the slow work thread pool " David Howells
2008-11-20 14:42 ` [PATCH 05/45] FS-Cache: Release page->private after failed readahead " David Howells
2008-11-21 8:12 ` Andrew Morton
2008-11-21 10:27 ` David Howells
2008-11-20 14:42 ` [PATCH 06/45] FS-Cache: Recruit a couple of page flags for cache management " David Howells
2008-11-21 8:17 ` Andrew Morton
2008-11-21 10:31 ` David Howells
2008-11-20 14:42 ` [PATCH 07/45] FS-Cache: Provide an add_wait_queue_tail() function " David Howells
2008-11-21 8:17 ` Andrew Morton
2008-11-21 13:32 ` David Howells
2008-11-20 14:42 ` [PATCH 08/45] FS-Cache: Add the FS-Cache netfs API and documentation " David Howells
2008-11-20 14:42 ` [PATCH 09/45] FS-Cache: Add the FS-Cache cache backend " David Howells
2008-11-20 14:42 ` [PATCH 10/45] FS-Cache: Add main configuration option, module entry points and debugging " David Howells
2008-11-20 14:42 ` [PATCH 11/45] FS-Cache: Add use of /proc and presentation of statistics " David Howells
2008-11-21 0:15 ` Alexey Dobriyan
2008-11-21 2:17 ` David Howells
2008-11-21 2:34 ` Alexey Dobriyan
2008-11-21 15:32 ` David Howells
2008-11-20 14:42 ` [PATCH 12/45] FS-Cache: Root index definition " David Howells
2008-11-20 14:42 ` [PATCH 13/45] FS-Cache: Add cache tag handling " David Howells
2008-11-20 14:42 ` [PATCH 14/45] FS-Cache: Add cache management " David Howells
2008-11-20 14:42 ` [PATCH 15/45] FS-Cache: Provide a slab for cookie allocation " David Howells
2008-11-20 14:43 ` [PATCH 16/45] FS-Cache: Add netfs registration " David Howells
2008-11-20 14:43 ` [PATCH 17/45] FS-Cache: Bit waiting helpers " David Howells
2008-11-20 14:43 ` [PATCH 18/45] FS-Cache: Object management state machine " David Howells
2008-11-20 14:43 ` [PATCH 19/45] FS-Cache: Implement the cookie management part of the netfs API " David Howells
2008-11-20 14:43 ` [PATCH 20/45] FS-Cache: Add and document asynchronous operation handling " David Howells
2008-11-20 14:43 ` [PATCH 21/45] FS-Cache: Implement data I/O part of netfs API " David Howells
2008-11-20 14:43 ` [PATCH 22/45] CacheFiles: Add missing copy_page export for ia64 " David Howells
2008-11-20 14:43 ` [PATCH 23/45] CacheFiles: Be consistent about the use of mapping vs file->f_mapping in Ext3 " David Howells
2008-11-22 17:38 ` Andreas Dilger
2008-11-26 14:40 ` David Howells
2008-11-20 14:43 ` [PATCH 24/45] CacheFiles: Add a hook to write a single page of data to an inode " David Howells
2008-11-21 8:23 ` Andrew Morton
2008-11-21 12:43 ` David Howells
2008-11-21 13:00 ` Jamie Lokier
2008-11-21 17:15 ` Valdis.Kletnieks
2008-11-21 17:36 ` Randy Dunlap
2008-11-21 18:31 ` Andrew Morton
2008-11-22 0:48 ` David Howells
2008-11-20 14:43 ` [PATCH 25/45] CacheFiles: Permit the page lock state to be monitored " David Howells
2008-11-20 14:43 ` [PATCH 26/45] CacheFiles: Export things for CacheFiles " David Howells
2008-11-20 14:43 ` [PATCH 27/45] CacheFiles: A cache that backs onto a mounted filesystem " David Howells
2008-11-20 14:44 ` [PATCH 28/45] FS-Cache: Make kAFS use FS-Cache " David Howells
2008-11-20 14:44 ` [PATCH 29/45] NFS: Add comment banners to some NFS functions " David Howells
2008-11-20 14:44 ` [PATCH 30/45] NFS: Add FS-Cache option bit and debug bit " David Howells
2008-11-20 14:44 ` [PATCH 31/45] NFS: Permit local filesystem caching to be enabled for NFS " David Howells
2008-11-20 14:44 ` [PATCH 32/45] NFS: Register NFS for caching and retrieve the top-level index " David Howells
2008-11-20 14:44 ` [PATCH 33/45] NFS: Define and create server-level objects " David Howells
2008-11-20 14:44 ` [PATCH 34/45] NFS: Define and create superblock-level " David Howells
2008-11-20 14:44 ` [PATCH 35/45] NFS: Define and create inode-level cache " David Howells
2008-11-20 14:44 ` [PATCH 36/45] NFS: Use local disk inode cache " David Howells
2008-11-20 14:44 ` [PATCH 37/45] NFS: Invalidate FsCache page flags when cache removed " David Howells
2008-11-20 14:44 ` [PATCH 38/45] NFS: Add some new I/O counters for FS-Cache doing things for NFS " David Howells
2008-11-20 14:45 ` [PATCH 39/45] NFS: FS-Cache page management " David Howells
2008-11-20 14:45 ` [PATCH 40/45] NFS: Add read context retention for FS-Cache to call back with " David Howells
2008-11-20 14:45 ` [PATCH 41/45] NFS: nfs_readpage_async() needs to be accessible as a fallback for local caching " David Howells
2008-11-20 14:45 ` [PATCH 42/45] NFS: Read pages from FS-Cache into an NFS inode " David Howells
2008-11-20 14:45 ` [PATCH 43/45] NFS: Store pages from an NFS inode into a local cache " David Howells
2008-11-20 14:45 ` [PATCH 44/45] NFS: Display local caching state " David Howells
2008-11-20 14:45 ` [PATCH 45/45] NFS: Add mount options to enable local caching on NFS " David Howells
2008-11-21 8:28 ` Andrew Morton [this message]
2008-11-22 1:11 ` [PATCH 00/45] Permit filesystem local caching " David Howells
2008-11-25 0:09 ` David Howells
2008-11-25 13:39 ` FS-Cache Benchmarks David Howells
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