From: Andy Adamson <andros@xxxxxxxxxx>
The file layoutdriver submission will not support CB_NOTIFY_DEVICEID
Signed-off-by: Andy Adamson <andros@xxxxxxxxxx>
---
fs/nfs/callback_proc.c | 68 --------------------------------
fs/nfs/callback_xdr.c | 96 +--------------------------------------------
include/linux/nfs4_pnfs.h | 1 -
3 files changed, 1 insertions(+), 164 deletions(-)
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index efdea62..4d315f7 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -324,74 +324,6 @@ out:
return res;
}
-/* Remove all devices for each superblock for nfs_client. This may try
- * to remove the same device multple times if they are
- * shared across superblocks in the layout driver, but the
- * layout drive should be able to handle this */
-static __be32 pnfs_devicenotify_client(struct nfs_client *clp,
- struct cb_pnfs_devicenotifyargs *args)
-{
- struct nfs_server *server;
- __be32 res = 0, res2 = 0;
- int i, num_sb = 0;
- struct layoutdriver_io_operations *ops;
- uint32_t type;
-
- dprintk("%s: --> clp %p\n", __func__, clp);
-
- list_for_each_entry(server, &clp->cl_superblocks, client_link) {
- ops = server->pnfs_curr_ld->ld_io_ops;
- num_sb++;
- for (i = 0; i < args->ndevs; i++) {
- struct cb_pnfs_devicenotifyitem *dev = &args->devs[i];
- type = dev->cbd_notify_type;
- if (type == NOTIFY_DEVICEID4_DELETE &&
- PNFS_EXISTS_LDIO_OP(server, device_delete))
- res = ops->device_delete(server->pnfs_mountid,
- &dev->cbd_dev_id);
- else if (type == NOTIFY_DEVICEID4_CHANGE)
- printk(KERN_ERR "%s: NOTIFY_DEVICEID4_CHANGE "
- "not supported\n", __func__);
- if (res)
- res2 = res;
- }
- }
- dprintk("%s: exit with status = %d numsb %u\n",
- __func__, ntohl(res2), num_sb);
- return res2;
-}
-
-__be32 pnfs_cb_devicenotify(struct cb_pnfs_devicenotifyargs *args,
- void *dummy)
-{
- struct nfs_client *clp;
- __be32 res = 0;
- unsigned int num_client = 0;
-
- dprintk("%s: -->\n", __func__);
-
- res = __constant_htonl(NFS4ERR_INVAL);
- clp = nfs_find_client(args->addr, 4);
- if (clp == NULL) {
- dprintk("%s: no client for addr %u.%u.%u.%u\n",
- __func__, NIPQUAD(args->addr));
- goto out;
- }
-
- do {
- struct nfs_client *prev = clp;
- num_client++;
- res = pnfs_devicenotify_client(clp, args);
- clp = nfs_find_client_next(prev);
- nfs_put_client(prev);
- } while (clp != NULL);
-
-out:
- dprintk("%s: exit with status = %d numclient %u\n",
- __func__, ntohl(res), num_client);
- return res;
-}
-
int nfs41_validate_delegation_stateid(struct nfs_delegation *delegation, const nfs4_stateid *stateid)
{
if (delegation == NULL)
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index d03a122..4a69882 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -22,7 +22,6 @@
#if defined(CONFIG_NFS_V4_1)
#define CB_OP_LAYOUTRECALL_RES_MAXSZ (CB_OP_HDR_RES_MAXSZ)
-#define CB_OP_DEVICENOTIFY_RES_MAXSZ (CB_OP_HDR_RES_MAXSZ)
#define CB_OP_SEQUENCE_RES_MAXSZ (CB_OP_HDR_RES_MAXSZ + \
4 + 1 + 3)
#define CB_OP_RECALLANY_RES_MAXSZ (CB_OP_HDR_RES_MAXSZ)
@@ -267,93 +266,6 @@ out:
return status;
}
-static __be32 decode_pnfs_devicenotify_args(struct svc_rqst *rqstp,
- struct xdr_stream *xdr,
- struct cb_pnfs_devicenotifyargs *args)
-{
- __be32 *p;
- __be32 status = 0;
- u32 tmp;
- int n, i;
- args->ndevs = 0;
-
- args->addr = svc_addr(rqstp);
-
- /* Num of device notifications */
- p = read_buf(xdr, sizeof(uint32_t));
- if (unlikely(p == NULL)) {
- status = htonl(NFS4ERR_RESOURCE);
- goto out;
- }
- n = ntohl(*p++);
- if (n <= 0)
- goto out;
-
- /* XXX: need to possibly return error in this case */
- if (n > NFS4_DEV_NOTIFY_MAXENTRIES) {
- dprintk("%s: Processing (%d) notifications out of (%d)\n",
- __func__, NFS4_DEV_NOTIFY_MAXENTRIES, n);
- n = NFS4_DEV_NOTIFY_MAXENTRIES;
- }
-
- /* Decode each dev notification */
- for (i = 0; i < n; i++) {
- struct cb_pnfs_devicenotifyitem *dev = &args->devs[i];
-
- p = read_buf(xdr, (4 * sizeof(uint32_t))
- + NFS4_PNFS_DEVICEID4_SIZE);
- if (unlikely(p == NULL)) {
- status = htonl(NFS4ERR_RESOURCE);
- goto out;
- }
-
- tmp = ntohl(*p++); /* bitmap size */
- if (tmp != 1) {
- status = htonl(NFS4ERR_INVAL);
- goto out;
- }
- dev->cbd_notify_type = ntohl(*p++);
- if (dev->cbd_notify_type != NOTIFY_DEVICEID4_CHANGE &&
- dev->cbd_notify_type != NOTIFY_DEVICEID4_DELETE) {
- status = htonl(NFS4ERR_INVAL);
- goto out;
- }
-
- tmp = ntohl(*p++); /* opaque size */
- if (((dev->cbd_notify_type == NOTIFY_DEVICEID4_CHANGE) &&
- (tmp != NFS4_PNFS_DEVICEID4_SIZE + 8)) ||
- ((dev->cbd_notify_type == NOTIFY_DEVICEID4_DELETE) &&
- (tmp != NFS4_PNFS_DEVICEID4_SIZE + 4))) {
- status = htonl(NFS4ERR_INVAL);
- goto out;
- }
- dev->cbd_layout_type = ntohl(*p++);
- memcpy(dev->cbd_dev_id.data, p, NFS4_PNFS_DEVICEID4_SIZE);
- p += XDR_QUADLEN(NFS4_PNFS_DEVICEID4_SIZE);
-
- if (dev->cbd_layout_type == NOTIFY_DEVICEID4_CHANGE) {
- p = read_buf(xdr, sizeof(uint32_t));
- if (unlikely(p == NULL)) {
- status = htonl(NFS4ERR_DELAY);
- goto out;
- }
- dev->cbd_immediate = ntohl(*p++);
- } else {
- dev->cbd_immediate = 0;
- }
-
- args->ndevs++;
-
- dprintk("%s: type %d layout 0x%x immediate %d\n",
- __func__, dev->cbd_notify_type, dev->cbd_layout_type,
- dev->cbd_immediate);
- }
-out:
- dprintk("%s: status %d ndevs %d\n",
- __func__, ntohl(status), args->ndevs);
- return status;
-}
-
static __be32 decode_sessionid(struct xdr_stream *xdr,
struct nfs4_sessionid *sid)
{
@@ -709,11 +621,11 @@ preprocess_nfs41_op(int nop, unsigned int op_nr, struct callback_op **op)
case OP_CB_RECALL_ANY:
case OP_CB_RECALL_SLOT:
case OP_CB_LAYOUTRECALL:
- case OP_CB_NOTIFY_DEVICEID:
*op = &callback_ops[op_nr];
break;
case OP_CB_NOTIFY:
+ case OP_CB_NOTIFY_DEVICEID:
case OP_CB_PUSH_DELEG:
case OP_CB_RECALLABLE_OBJ_AVAIL:
case OP_CB_WANTS_CANCELLED:
@@ -879,12 +791,6 @@ static struct callback_op callback_ops[] = {
(callback_decode_arg_t)decode_pnfs_layoutrecall_args,
.res_maxsize = CB_OP_LAYOUTRECALL_RES_MAXSZ,
},
- [OP_CB_NOTIFY_DEVICEID] = {
- .process_op = (callback_process_op_t)pnfs_cb_devicenotify,
- .decode_args =
- (callback_decode_arg_t)decode_pnfs_devicenotify_args,
- .res_maxsize = CB_OP_DEVICENOTIFY_RES_MAXSZ,
- },
[OP_CB_SEQUENCE] = {
.process_op = (callback_process_op_t)nfs4_callback_sequence,
.decode_args = (callback_decode_arg_t)decode_cb_sequence_args,
diff --git a/include/linux/nfs4_pnfs.h b/include/linux/nfs4_pnfs.h
index ae2f7ed..b2bec02 100644
--- a/include/linux/nfs4_pnfs.h
+++ b/include/linux/nfs4_pnfs.h
@@ -183,7 +183,6 @@ struct layoutdriver_io_operations {
*/
struct pnfs_mount_type * (*initialize_mountpoint) (struct super_block *, struct nfs_fh *fh);
int (*uninitialize_mountpoint) (struct pnfs_mount_type *mountid);
- int (*device_delete) (struct pnfs_mount_type *mountid, struct pnfs_deviceid *dev_id);
};
enum layoutdriver_policy_flags {
--
1.6.6
--
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