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Various bugfixes, a RDMA update from Chuck Lever, and support for a new

Browse source 
pnfs layout type from Christoph Hellwig.  The new layout type is a
 variant of the block layout which uses SCSI features to offer improved
 fencing and device identification.
 
 (Also: note this pull request also includes the client side of SCSI
 layout, with Trond's permission.)
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Merge tag 'nfsd-4.6' of git://linux-nfs.org/~bfields/linux

Pull nfsd updates from Bruce Fields:
 "Various bugfixes, a RDMA update from Chuck Lever, and support for a
  new pnfs layout type from Christoph Hellwig.  The new layout type is a
  variant of the block layout which uses SCSI features to offer improved
  fencing and device identification.

  (Also: note this pull request also includes the client side of SCSI
  layout, with Trond's permission.)"

* tag 'nfsd-4.6' of git://linux-nfs.org/~bfields/linux:
  sunrpc/cache: drop reference when sunrpc_cache_pipe_upcall() detects a race
  nfsd: recover: fix memory leak
  nfsd: fix deadlock secinfo+readdir compound
  nfsd4: resfh unused in nfsd4_secinfo
  svcrdma: Use new CQ API for RPC-over-RDMA server send CQs
  svcrdma: Use new CQ API for RPC-over-RDMA server receive CQs
  svcrdma: Remove close_out exit path
  svcrdma: Hook up the logic to return ERR_CHUNK
  svcrdma: Use correct XID in error replies
  svcrdma: Make RDMA_ERROR messages work
  rpcrdma: Add RPCRDMA_HDRLEN_ERR
  svcrdma: svc_rdma_post_recv() should close connection on error
  svcrdma: Close connection when a send error occurs
  nfsd: Lower NFSv4.1 callback message size limit
  svcrdma: Do not send Write chunk XDR pad with inline content
  svcrdma: Do not write xdr_buf::tail in a Write chunk
  svcrdma: Find client-provided write and reply chunks once per reply
  nfsd: Update NFS server comments related to RDMA support
  nfsd: Fix a memory leak when meeting unsupported state_protect_how4
  nfsd4: fix bad bounds checking
This commit is contained in:
Linus Torvalds 2016-03-24 10:41:00 -07:00
commit 5b1e167d8d
14 changed files with 407 additions and 466 deletions
Download patch file Download diff file Expand all files Collapse all files

7
include/linux/sunrpc/auth.h
View file

@ -20,11 +20,18 @@
#include <linux/uidgid.h>
#include <linux/utsname.h>
/*
* Maximum size of AUTH_NONE authentication information, in XDR words.
*/
#define NUL_CALLSLACK (4)
#define NUL_REPLYSLACK (2)
/*
* Size of the nodename buffer. RFC1831 specifies a hard limit of 255 bytes,
* but Linux hostnames are actually limited to __NEW_UTS_LEN bytes.
*/
#define UNX_MAXNODENAME __NEW_UTS_LEN
#define UNX_CALLSLACK (21 + XDR_QUADLEN(UNX_MAXNODENAME))
struct rpcsec_gss_info;

20
include/linux/sunrpc/svc_rdma.h
View file

@ -75,8 +75,10 @@ struct svc_rdma_op_ctxt {
struct svc_rdma_fastreg_mr *frmr;
int hdr_count;
struct xdr_buf arg;
struct ib_cqe cqe;
struct ib_cqe reg_cqe;
struct ib_cqe inv_cqe;
struct list_head dto_q;
enum ib_wr_opcode wr_op;
enum ib_wc_status wc_status;
u32 byte_len;
u32 position;
@ -174,8 +176,6 @@ struct svcxprt_rdma {
struct work_struct sc_work;
};
/* sc_flags */
#define RDMAXPRT_RQ_PENDING 1
#define RDMAXPRT_SQ_PENDING 2
#define RDMAXPRT_CONN_PENDING 3
#define RPCRDMA_LISTEN_BACKLOG 10
@ -199,7 +199,7 @@ extern int svc_rdma_handle_bc_reply(struct rpc_xprt *xprt,
struct xdr_buf *rcvbuf);
/* svc_rdma_marshal.c */
extern int svc_rdma_xdr_decode_req(struct rpcrdma_msg **, struct svc_rqst *);
extern int svc_rdma_xdr_decode_req(struct rpcrdma_msg *, struct svc_rqst *);
extern int svc_rdma_xdr_encode_error(struct svcxprt_rdma *,
struct rpcrdma_msg *,
enum rpcrdma_errcode, __be32 *);
@ -224,16 +224,22 @@ extern int rdma_read_chunk_frmr(struct svcxprt_rdma *, struct svc_rqst *,
/* svc_rdma_sendto.c */
extern int svc_rdma_map_xdr(struct svcxprt_rdma *, struct xdr_buf *,
struct svc_rdma_req_map *);
struct svc_rdma_req_map *, bool);
extern int svc_rdma_sendto(struct svc_rqst *);
extern struct rpcrdma_read_chunk *
svc_rdma_get_read_chunk(struct rpcrdma_msg *);
extern void svc_rdma_send_error(struct svcxprt_rdma *, struct rpcrdma_msg *,
int);
/* svc_rdma_transport.c */
extern void svc_rdma_wc_send(struct ib_cq *, struct ib_wc *);
extern void svc_rdma_wc_write(struct ib_cq *, struct ib_wc *);
extern void svc_rdma_wc_reg(struct ib_cq *, struct ib_wc *);
extern void svc_rdma_wc_read(struct ib_cq *, struct ib_wc *);
extern void svc_rdma_wc_inv(struct ib_cq *, struct ib_wc *);
extern int svc_rdma_send(struct svcxprt_rdma *, struct ib_send_wr *);
extern void svc_rdma_send_error(struct svcxprt_rdma *, struct rpcrdma_msg *,
enum rpcrdma_errcode);
extern int svc_rdma_post_recv(struct svcxprt_rdma *, gfp_t);
extern int svc_rdma_repost_recv(struct svcxprt_rdma *, gfp_t);
extern int svc_rdma_create_listen(struct svc_serv *, int, struct sockaddr *);
extern struct svc_rdma_op_ctxt *svc_rdma_get_context(struct svcxprt_rdma *);
extern void svc_rdma_put_context(struct svc_rdma_op_ctxt *, int);