The following patchset applies on top of my current linux-next branch,
and contains updates to allow the client to piggyback layoutstats in
the flexfiles layoutreturn (as per spec).
This is mainly useful when running workloads that do I/O on lots of
small or medium sized files, which are rarely kept open for long
enough to send a standalone layoutstat.
Trond Myklebust (10):
pNFS/flexfiles: Don't attempt to send layoutstats if there are no
entries
pNFS/flexfiles: Only send layoutstats updates for mirrors that were
updated
NFSv4: Add a generic structure for managing layout-private information
pNFS: Allow layout drivers to manage private data in struct
nfs4_layoutreturn
pNFS: Add a layoutreturn callback to performa layout-private setup
pNFS/flexfiles: Refactor encoding of the layoutreturn payload
pNFS/flexfiles: Clean up layoutstats
NFS: Fix up read of mirror stats
pNFS/flexfiles: Minor refactoring before adding iostats to
layoutreturn
pNFS/flexfiles: Support sending layoutstats in layoutreturn
fs/nfs/flexfilelayout/flexfilelayout.c | 236 ++++++++++++++++++++++--------
fs/nfs/flexfilelayout/flexfilelayout.h | 20 ++-
fs/nfs/flexfilelayout/flexfilelayoutdev.c | 78 ++++++++--
fs/nfs/nfs42proc.c | 9 +-
fs/nfs/nfs42xdr.c | 5 +-
fs/nfs/nfs4proc.c | 6 +
fs/nfs/nfs4xdr.c | 4 +-
fs/nfs/pnfs.c | 15 +-
fs/nfs/pnfs.h | 2 +-
include/linux/nfs_xdr.h | 19 ++-
10 files changed, 306 insertions(+), 88 deletions(-)
--
2.9.3
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