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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-06-23 14:51:55 +0300 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-06-24 17:17:37 +0300 |
| commit | be3a5d233922d73f27002ce2767f6ec03c3f473d (patch) | |
| tree | 43a275fd1acfcdf22699db092d342627673abf67 /fs/nfs/nfs42.h | |
| parent | 1372a3130a3e0bfd38d82d476f0a907cc72ba816 (diff) | |
| download | linux-be3a5d233922d73f27002ce2767f6ec03c3f473d.tar.xz | |
NFSv.2/pnfs Add a LAYOUTSTATS rpc function
Reviewed-by: Jeff Layton <jeff.layton@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/nfs42.h')
| -rw-r--r-- | fs/nfs/nfs42.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/nfs/nfs42.h b/fs/nfs/nfs42.h index 7afb8947dfdf..ff66ae700b89 100644 --- a/fs/nfs/nfs42.h +++ b/fs/nfs/nfs42.h @@ -5,11 +5,18 @@ #ifndef __LINUX_FS_NFS_NFS4_2_H #define __LINUX_FS_NFS_NFS4_2_H +/* + * FIXME: four LAYOUTSTATS calls per compound at most! Do we need to support + * more? Need to consider not to pre-alloc too much for a compound. + */ +#define PNFS_LAYOUTSTATS_MAXDEV (4) + /* nfs4.2proc.c */ int nfs42_proc_allocate(struct file *, loff_t, loff_t); int nfs42_proc_deallocate(struct file *, loff_t, loff_t); loff_t nfs42_proc_llseek(struct file *, loff_t, int); - +int nfs42_proc_layoutstats_generic(struct nfs_server *, + struct nfs42_layoutstat_data *); /* nfs4.2xdr.h */ extern struct rpc_procinfo nfs4_2_procedures[]; |