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NFSv4.2: Add client support for the generic 'layouterror' RPC call

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Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust
2019-02-08 10:31:05 -05:00
parent a79f194aa4
commit 3eb86093ea
8 changed files with 306 additions and 1 deletions
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1
include/linux/nfs4.h
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@@ -538,6 +538,7 @@ enum {
NFSPROC4_CLNT_OFFLOAD_CANCEL,
NFSPROC4_CLNT_LOOKUPP,
NFSPROC4_CLNT_LAYOUTERROR,
};
/* nfs41 types */

1
include/linux/nfs_fs_sb.h
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@@ -261,5 +261,6 @@ struct nfs_server {
#define NFS_CAP_CLONE (1U << 23)
#define NFS_CAP_COPY (1U << 24)
#define NFS_CAP_OFFLOAD_CANCEL (1U << 25)
#define NFS_CAP_LAYOUTERROR (1U << 26)
#endif

35
include/linux/nfs_xdr.h
View File

@@ -383,6 +383,41 @@ struct nfs42_layoutstat_data {
struct nfs42_layoutstat_res res;
};
struct nfs42_device_error {
struct nfs4_deviceid dev_id;
int status;
enum nfs_opnum4 opnum;
};
struct nfs42_layout_error {
__u64 offset;
__u64 length;
nfs4_stateid stateid;
struct nfs42_device_error errors[1];
};
#define NFS42_LAYOUTERROR_MAX 5
struct nfs42_layouterror_args {
struct nfs4_sequence_args seq_args;
struct inode *inode;
unsigned int num_errors;
struct nfs42_layout_error errors[NFS42_LAYOUTERROR_MAX];
};
struct nfs42_layouterror_res {
struct nfs4_sequence_res seq_res;
unsigned int num_errors;
int rpc_status;
};
struct nfs42_layouterror_data {
struct nfs42_layouterror_args args;
struct nfs42_layouterror_res res;
struct inode *inode;
struct pnfs_layout_segment *lseg;
};
struct nfs42_clone_args {
struct nfs4_sequence_args seq_args;
struct nfs_fh *src_fh;