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d9ef5a8c26
linux_dsm_epyc7002/fs/nfs
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Chuck Lever d9ef5a8c26 NFS: introduce mechanism for tracking NFS client metrics 
Add a per-superblock performance counter facility to the NFS client.  This
facility mimics the counters available for block devices and for
networking.  Expose these new counters via the new /proc/self/mountstats
interface.

Thanks to Andrew Morton and Trond Myklebust for their review and comments.

Test plan:
fsx and iozone on UP and SMP systems, with and without pre-emption.  Watch
for memory overwrite bugs, and performance loss (significantly more CPU
required per op).

Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-03-20 13:44:13 -05:00
..
callback_proc.c NFSv4: Ensure change attribute returned by GETATTR callback conforms to spec 2006-01-06 14:58:51 -05:00
callback_xdr.c NFSv4: Kill braindead gcc warnings 2006-03-20 13:44:10 -05:00
callback.c NFSv4: Allow user to set the port used by the NFSv4 callback channel 2006-01-06 14:58:52 -05:00
callback.h NFSv4: Allow user to set the port used by the NFSv4 callback channel 2006-01-06 14:58:52 -05:00
delegation.c NFSv4: Fix an Oops in nfs_do_expire_all_delegations 2006-01-06 14:58:58 -05:00
delegation.h NFSv4: Ensure change attribute returned by GETATTR callback conforms to spec 2006-01-06 14:58:51 -05:00
dir.c [PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem 2006-01-09 15:59:24 -08:00
direct.c [PATCH] NFS: Fix a potential panic in O_DIRECT 2006-03-14 07:57:17 -08:00
file.c NFS: Avoid races between writebacks and truncation 2006-03-20 13:44:04 -05:00
idmap.c NFS: sem2mutex idmap.c 2006-03-20 13:44:11 -05:00
inode.c NFS: introduce mechanism for tracking NFS client metrics 2006-03-20 13:44:13 -05:00
iostat.h NFS: introduce mechanism for tracking NFS client metrics 2006-03-20 13:44:13 -05:00
Makefile NFSv4: Allow user to set the port used by the NFSv4 callback channel 2006-01-06 14:58:52 -05:00
mount_clnt.c SUNRPC: get rid of cl_chatty 2006-01-06 14:58:56 -05:00
nfs2xdr.c NFS: get rid of some needless code obfuscation in xdr_encode_sattr(). 2006-01-06 14:58:57 -05:00
nfs3acl.c [PATCH] NFS: Introduce the use of inode->i_lock to protect fields in nfsi 2005-08-18 12:53:57 -07:00
nfs3proc.c NFSv3: try get_root user-supplied security_flavor 2006-01-06 14:58:55 -05:00
nfs3xdr.c NFS: Send valid mode bits to the server 2006-01-06 14:58:57 -05:00
nfs4_fs.h NFSv4: Remove requirement for machine creds for the "setclientid" operation 2006-01-06 14:58:47 -05:00
nfs4proc.c NFSv4: Kill braindead gcc warnings 2006-03-20 13:44:10 -05:00
nfs4renewd.c NFSv4: Remove requirement for machine creds for the "renew" operation 2006-01-06 14:58:47 -05:00
nfs4state.c NFSv4: Remove requirement for machine creds for the "setclientid" operation 2006-01-06 14:58:47 -05:00
nfs4xdr.c NFS: Send valid mode bits to the server 2006-01-06 14:58:57 -05:00
nfsroot.c [PATCH] nfsroot port= parameter fix [backport of 2.4 fix] 2006-02-07 21:00:42 -05:00
pagelist.c NFS: Avoid races between writebacks and truncation 2006-03-20 13:44:04 -05:00
proc.c NFS: Send valid mode bits to the server 2006-01-06 14:58:57 -05:00
read.c NFS: support large reads and writes on the wire 2006-01-06 14:58:49 -05:00
symlink.c Fix nasty ncpfs symlink handling bug. 2005-08-19 18:02:56 -07:00
sysctl.c NFSv4: Allow entries in the idmap cache to expire 2006-01-06 14:58:58 -05:00
unlink.c NFS: kzalloc conversion in fs/nfs 2006-03-20 13:44:10 -05:00
write.c NFS: kzalloc conversion in fs/nfs 2006-03-20 13:44:10 -05:00