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authorPeng Tao <tao.peng@primarydata.com>2015-06-23 19:51:57 +0800
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-06-24 10:17:37 -0400
commit8733408d6ed713d080c325262d7b51a780136d41 (patch)
treeb9ea8f53679041ac09ce05f6bfd43d6d61c40c7e /fs/nfs/pnfs.h
parent1b4a4bd82c308aed36f13fff4beb33d3840cfa0e (diff)
downloadlinux-8733408d6ed713d080c325262d7b51a780136d41.tar.bz2
pnfs: add pnfs_report_layoutstat helper function
Reviewed-by: Jeff Layton <jeff.layton@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/pnfs.h')
-rw-r--r--fs/nfs/pnfs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 1e6308f82fc3..0a4723945db2 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -178,6 +178,8 @@ struct pnfs_layoutdriver_type {
void (*encode_layoutcommit) (struct pnfs_layout_hdr *lo,
struct xdr_stream *xdr,
const struct nfs4_layoutcommit_args *args);
+ int (*prepare_layoutstats) (struct nfs42_layoutstat_args *args);
+ void (*cleanup_layoutstats) (struct nfs42_layoutstat_data *data);
};
struct pnfs_layout_hdr {
@@ -290,6 +292,7 @@ int pnfs_write_done_resend_to_mds(struct nfs_pgio_header *);
struct nfs4_threshold *pnfs_mdsthreshold_alloc(void);
void pnfs_error_mark_layout_for_return(struct inode *inode,
struct pnfs_layout_segment *lseg);
+int pnfs_report_layoutstat(struct inode *inode);
/* nfs4_deviceid_flags */
enum {