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[PATCH 30/37] NFS: Add some new I/O event counters for FS-Cache events

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From: David Howells <dhowells@...>
To: <Trond.Myklebust@...>, <chuck.lever@...>
Cc: <nfsv4@...>, <linux-kernel@...>, <linux-fsdevel@...>, <selinux@...>, <linux-security-module@...>, <dhowells@...>
Subject: [PATCH 30/37] NFS: Add some new I/O event counters for FS-Cache events
Date: Friday, February 8, 2008 - 12:54 pm

Add some new NFS I/O event counters for FS-Cache events.  They have to be
added as byte counters because I may need to be able to increase the numbers
by more than 1 at a time.

Signed-off-by: David Howells <dhowells@redhat.com>
---

 fs/nfs/iostat.h |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)


diff --git a/fs/nfs/iostat.h b/fs/nfs/iostat.h
index 6350ecb..0e3b170 100644
--- a/fs/nfs/iostat.h
+++ b/fs/nfs/iostat.h
@@ -60,6 +60,13 @@ enum nfs_stat_bytecounters {
 	NFSIOS_SERVERWRITTENBYTES,
 	NFSIOS_READPAGES,
 	NFSIOS_WRITEPAGES,
+#ifdef CONFIG_NFS_FSCACHE
+	NFSIOS_FSCACHE_READ_OK,
+	NFSIOS_FSCACHE_READ_FAIL,
+	NFSIOS_FSCACHE_WRITE_OK,
+	NFSIOS_FSCACHE_WRITE_FAIL,
+	NFSIOS_FSCACHE_UNCACHE,
+#endif
 	__NFSIOS_BYTESMAX,
 };
 

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Messages in current thread:
[PATCH 00/37] Permit filesystem local caching, David Howells, (Fri Feb 8, 12:51 pm)
[PATCH 37/37] NFS: Add mount options to enable local caching..., David Howells, (Fri Feb 8, 12:55 pm)
[PATCH 36/37] NFS: Display local caching state, David Howells, (Fri Feb 8, 12:55 pm)
[PATCH 33/37] NFS: nfs_readpage_async() needs to be accessib..., David Howells, (Fri Feb 8, 12:54 pm)
[PATCH 31/37] NFS: FS-Cache page management, David Howells, (Fri Feb 8, 12:54 pm)
[PATCH 28/37] NFS: Use local disk inode cache, David Howells, (Fri Feb 8, 12:54 pm)
[PATCH 21/37] NFS: Add comment banners to some NFS functions, David Howells, (Fri Feb 8, 12:53 pm)
[PATCH 24/37] NFS: Register NFS for caching and retrieve the..., David Howells, (Fri Feb 8, 12:54 pm)
[PATCH 25/37] NFS: Define and create server-level objects, David Howells, (Fri Feb 8, 12:54 pm)
[PATCH 35/37] NFS: Store pages from an NFS inode into a loca..., David Howells, (Fri Feb 8, 12:55 pm)
[PATCH 23/37] NFS: Permit local filesystem caching to be ena..., David Howells, (Fri Feb 8, 12:54 pm)
[PATCH 15/37] CacheFiles: Add missing copy_page export for i..., David Howells, (Fri Feb 8, 12:53 pm)
[PATCH 29/37] NFS: Invalidate FsCache page flags when cache ..., David Howells, (Fri Feb 8, 12:54 pm)
[PATCH 34/37] NFS: Read pages from FS-Cache into an NFS inode, David Howells, (Fri Feb 8, 12:54 pm)
[PATCH 30/37] NFS: Add some new I/O event counters for FS-Ca..., David Howells, (Fri Feb 8, 12:54 pm)
[PATCH 26/37] NFS: Define and create superblock-level objects, David Howells, (Fri Feb 8, 12:54 pm)
[PATCH 32/37] NFS: Add read context retention for FS-Cache t..., David Howells, (Fri Feb 8, 12:54 pm)
[PATCH 27/37] NFS: Define and create inode-level cache objects, David Howells, (Fri Feb 8, 12:54 pm)
[PATCH 22/37] NFS: Add FS-Cache option bit and debug bit, David Howells, (Fri Feb 8, 12:53 pm)
[PATCH 16/37] CacheFiles: Be consistent about the use of map..., David Howells, (Fri Feb 8, 12:53 pm)
[PATCH 18/37] CacheFiles: Permit the page lock state to be m..., David Howells, (Fri Feb 8, 12:53 pm)
[PATCH 19/37] CacheFiles: Export things for CacheFiles, David Howells, (Fri Feb 8, 12:53 pm)
[PATCH 04/37] KEYS: Add keyctl function to get a security la..., David Howells, (Fri Feb 8, 12:52 pm)
[PATCH 13/37] FS-Cache: Provide an add_wait_queue_tail() fun..., David Howells, (Fri Feb 8, 12:53 pm)
[PATCH 17/37] CacheFiles: Add a hook to write a single page ..., David Howells, (Fri Feb 8, 12:53 pm)
[PATCH 12/37] FS-Cache: Recruit a couple of page flags for c..., David Howells, (Fri Feb 8, 12:53 pm)
[PATCH 10/37] Security: Make NFSD work with detached security, David Howells, (Fri Feb 8, 12:52 pm)
[PATCH 11/37] FS-Cache: Release page-&gt;private after faile..., David Howells, (Fri Feb 8, 12:52 pm)
[PATCH 05/37] Security: Change current-&gt;fs[ug]id to curre..., David Howells, (Fri Feb 8, 12:52 pm)
Re: [PATCH 05/37] Security: Change current-&gt;fs[ug]id to c..., James Morris, (Mon Feb 11, 6:38 am)
[PATCH 09/37] Security: Allow kernel services to override LS..., David Howells, (Fri Feb 8, 12:52 pm)
[PATCH 07/37] Security: De-embed task security record from t..., David Howells, (Fri Feb 8, 12:52 pm)
Re: [PATCH 07/37] Security: De-embed task security record fr..., James Morris, (Mon Feb 11, 6:57 am)
Re: [PATCH 07/37] Security: De-embed task security record fr..., David Howells, (Mon Feb 11, 1:30 pm)
Re: [PATCH 07/37] Security: De-embed task security record fr..., Stephen Smalley, (Mon Feb 11, 2:48 pm)
[PATCH 08/37] Security: Add a kernel_service object class to..., David Howells, (Fri Feb 8, 12:52 pm)
Re: [PATCH 08/37] Security: Add a kernel_service object clas..., James Morris, (Mon Feb 11, 6:59 am)
[PATCH 03/37] KEYS: Allow the callout data to be passed as a..., David Howells, (Fri Feb 8, 12:52 pm)
[PATCH 02/37] KEYS: Check starting keyring as part of search, David Howells, (Fri Feb 8, 12:52 pm)
[PATCH 01/37] KEYS: Increase the payload size when instantia..., David Howells, (Fri Feb 8, 12:52 pm)