pnfs/flexfiles: encode LAYOUTSTATS flexfiles specific data
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>
This commit is contained in:
Peng Tao
Trond Myklebust
Родитель
ad4dc53e64
Коммит
27c4306443
|
|
@ -272,6 +272,7 @@ ff_layout_alloc_lseg(struct pnfs_layout_hdr *lh,
|
|||
|
||||
spin_lock_init(&fls->mirror_array[i]->lock);
|
||||
fls->mirror_array[i]->ds_count = ds_count;
|
||||
fls->mirror_array[i]->lseg = &fls->generic_hdr;
|
||||
|
||||
/* deviceid */
|
||||
rc = decode_deviceid(&stream, &devid);
|
||||
|
|
@ -1660,6 +1661,161 @@ out:
|
|||
dprintk("%s: Return\n", __func__);
|
||||
}
|
||||
|
||||
static int
|
||||
ff_layout_ntop4(const struct sockaddr *sap, char *buf, const size_t buflen)
|
||||
{
|
||||
const struct sockaddr_in *sin = (struct sockaddr_in *)sap;
|
||||
|
||||
return snprintf(buf, buflen, "%pI4", &sin->sin_addr);
|
||||
}
|
||||
|
||||
static size_t
|
||||
ff_layout_ntop6_noscopeid(const struct sockaddr *sap, char *buf,
|
||||
const int buflen)
|
||||
{
|
||||
const struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sap;
|
||||
const struct in6_addr *addr = &sin6->sin6_addr;
|
||||
|
||||
/*
|
||||
* RFC 4291, Section 2.2.2
|
||||
*
|
||||
* Shorthanded ANY address
|
||||
*/
|
||||
if (ipv6_addr_any(addr))
|
||||
return snprintf(buf, buflen, "::");
|
||||
|
||||
/*
|
||||
* RFC 4291, Section 2.2.2
|
||||
*
|
||||
* Shorthanded loopback address
|
||||
*/
|
||||
if (ipv6_addr_loopback(addr))
|
||||
return snprintf(buf, buflen, "::1");
|
||||
|
||||
/*
|
||||
* RFC 4291, Section 2.2.3
|
||||
*
|
||||
* Special presentation address format for mapped v4
|
||||
* addresses.
|
||||
*/
|
||||
if (ipv6_addr_v4mapped(addr))
|
||||
return snprintf(buf, buflen, "::ffff:%pI4",
|
||||
&addr->s6_addr32[3]);
|
||||
|
||||
/*
|
||||
* RFC 4291, Section 2.2.1
|
||||
*/
|
||||
return snprintf(buf, buflen, "%pI6c", addr);
|
||||
}
|
||||
|
||||
/* Derived from rpc_sockaddr2uaddr */
|
||||
static void
|
||||
ff_layout_encode_netaddr(struct xdr_stream *xdr, struct nfs4_pnfs_ds_addr *da)
|
||||
{
|
||||
struct sockaddr *sap = (struct sockaddr *)&da->da_addr;
|
||||
char portbuf[RPCBIND_MAXUADDRPLEN];
|
||||
char addrbuf[RPCBIND_MAXUADDRLEN];
|
||||
char *netid;
|
||||
unsigned short port;
|
||||
int len, netid_len;
|
||||
__be32 *p;
|
||||
|
||||
switch (sap->sa_family) {
|
||||
case AF_INET:
|
||||
if (ff_layout_ntop4(sap, addrbuf, sizeof(addrbuf)) == 0)
|
||||
return;
|
||||
port = ntohs(((struct sockaddr_in *)sap)->sin_port);
|
||||
netid = "tcp";
|
||||
netid_len = 3;
|
||||
break;
|
||||
case AF_INET6:
|
||||
if (ff_layout_ntop6_noscopeid(sap, addrbuf, sizeof(addrbuf)) == 0)
|
||||
return;
|
||||
port = ntohs(((struct sockaddr_in6 *)sap)->sin6_port);
|
||||
netid = "tcp6";
|
||||
netid_len = 4;
|
||||
break;
|
||||
default:
|
||||
/* we only support tcp and tcp6 */
|
||||
WARN_ON_ONCE(1);
|
||||
return;
|
||||
}
|
||||
|
||||
snprintf(portbuf, sizeof(portbuf), ".%u.%u", port >> 8, port & 0xff);
|
||||
len = strlcat(addrbuf, portbuf, sizeof(addrbuf));
|
||||
|
||||
p = xdr_reserve_space(xdr, 4 + netid_len);
|
||||
xdr_encode_opaque(p, netid, netid_len);
|
||||
|
||||
p = xdr_reserve_space(xdr, 4 + len);
|
||||
xdr_encode_opaque(p, addrbuf, len);
|
||||
}
|
||||
|
||||
static void
|
||||
ff_layout_encode_nfstime(struct xdr_stream *xdr,
|
||||
ktime_t t)
|
||||
{
|
||||
struct timespec64 ts;
|
||||
__be32 *p;
|
||||
|
||||
p = xdr_reserve_space(xdr, 12);
|
||||
ts = ktime_to_timespec64(t);
|
||||
p = xdr_encode_hyper(p, ts.tv_sec);
|
||||
*p++ = cpu_to_be32(ts.tv_nsec);
|
||||
}
|
||||
|
||||
static void
|
||||
ff_layout_encode_io_latency(struct xdr_stream *xdr,
|
||||
struct nfs4_ff_io_stat *stat)
|
||||
{
|
||||
__be32 *p;
|
||||
|
||||
p = xdr_reserve_space(xdr, 5 * 8);
|
||||
p = xdr_encode_hyper(p, stat->ops_requested);
|
||||
p = xdr_encode_hyper(p, stat->bytes_requested);
|
||||
p = xdr_encode_hyper(p, stat->ops_completed);
|
||||
p = xdr_encode_hyper(p, stat->bytes_completed);
|
||||
p = xdr_encode_hyper(p, stat->bytes_not_delivered);
|
||||
ff_layout_encode_nfstime(xdr, stat->total_busy_time);
|
||||
ff_layout_encode_nfstime(xdr, stat->aggregate_completion_time);
|
||||
}
|
||||
|
||||
static void
|
||||
ff_layout_encode_layoutstats(struct xdr_stream *xdr,
|
||||
struct nfs42_layoutstat_args *args,
|
||||
struct nfs42_layoutstat_devinfo *devinfo)
|
||||
{
|
||||
struct nfs4_ff_layout_mirror *mirror = devinfo->layout_private;
|
||||
struct nfs4_pnfs_ds_addr *da;
|
||||
struct nfs4_pnfs_ds *ds = mirror->mirror_ds->ds;
|
||||
struct nfs_fh *fh = &mirror->fh_versions[0];
|
||||
__be32 *p, *start;
|
||||
|
||||
da = list_first_entry(&ds->ds_addrs, struct nfs4_pnfs_ds_addr, da_node);
|
||||
dprintk("%s: DS %s: encoding address %s\n",
|
||||
__func__, ds->ds_remotestr, da->da_remotestr);
|
||||
/* layoutupdate length */
|
||||
start = xdr_reserve_space(xdr, 4);
|
||||
/* netaddr4 */
|
||||
ff_layout_encode_netaddr(xdr, da);
|
||||
/* nfs_fh4 */
|
||||
p = xdr_reserve_space(xdr, 4 + fh->size);
|
||||
xdr_encode_opaque(p, fh->data, fh->size);
|
||||
/* ff_io_latency4 read */
|
||||
spin_lock(&mirror->lock);
|
||||
ff_layout_encode_io_latency(xdr, &mirror->read_stat.io_stat);
|
||||
/* ff_io_latency4 write */
|
||||
ff_layout_encode_io_latency(xdr, &mirror->write_stat.io_stat);
|
||||
spin_unlock(&mirror->lock);
|
||||
/* nfstime4 */
|
||||
ff_layout_encode_nfstime(xdr, ktime_sub(ktime_get(), mirror->start_time));
|
||||
/* bool */
|
||||
p = xdr_reserve_space(xdr, 4);
|
||||
*p = cpu_to_be32(false);
|
||||
|
||||
*start = cpu_to_be32((xdr->p - start - 1) * 4);
|
||||
}
|
||||
|
||||
static bool
|
||||
ff_layout_mirror_prepare_stats(struct nfs42_layoutstat_args *args,
|
||||
struct pnfs_layout_segment *pls,
|
||||
|
|
@ -1674,6 +1830,8 @@ ff_layout_mirror_prepare_stats(struct nfs42_layoutstat_args *args,
|
|||
if (*dev_count >= dev_limit)
|
||||
break;
|
||||
mirror = FF_LAYOUT_COMP(pls, i);
|
||||
if (!mirror || !mirror->mirror_ds)
|
||||
continue;
|
||||
dev = FF_LAYOUT_DEVID_NODE(pls, i);
|
||||
devinfo = &args->devinfo[*dev_count];
|
||||
memcpy(&devinfo->dev_id, &dev->deviceid, NFS4_DEVICEID4_SIZE);
|
||||
|
|
@ -1685,8 +1843,10 @@ ff_layout_mirror_prepare_stats(struct nfs42_layoutstat_args *args,
|
|||
devinfo->write_count = mirror->write_stat.io_stat.bytes_completed;
|
||||
devinfo->write_bytes = mirror->write_stat.io_stat.bytes_completed;
|
||||
devinfo->layout_type = LAYOUT_FLEX_FILES;
|
||||
devinfo->layoutstats_encode = NULL;
|
||||
devinfo->layout_private = NULL;
|
||||
devinfo->layoutstats_encode = ff_layout_encode_layoutstats;
|
||||
devinfo->layout_private = mirror;
|
||||
/* lseg refcount put in cleanup_layoutstats */
|
||||
pnfs_get_lseg(pls);
|
||||
|
||||
++(*dev_count);
|
||||
}
|
||||
|
|
@ -1729,6 +1889,19 @@ ff_layout_prepare_layoutstats(struct nfs42_layoutstat_args *args)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
ff_layout_cleanup_layoutstats(struct nfs42_layoutstat_data *data)
|
||||
{
|
||||
struct nfs4_ff_layout_mirror *mirror;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < data->args.num_dev; i++) {
|
||||
mirror = data->args.devinfo[i].layout_private;
|
||||
data->args.devinfo[i].layout_private = NULL;
|
||||
pnfs_put_lseg(mirror->lseg);
|
||||
}
|
||||
}
|
||||
|
||||
static struct pnfs_layoutdriver_type flexfilelayout_type = {
|
||||
.id = LAYOUT_FLEX_FILES,
|
||||
.name = "LAYOUT_FLEX_FILES",
|
||||
|
|
@ -1752,6 +1925,7 @@ static struct pnfs_layoutdriver_type flexfilelayout_type = {
|
|||
.encode_layoutreturn = ff_layout_encode_layoutreturn,
|
||||
.sync = pnfs_nfs_generic_sync,
|
||||
.prepare_layoutstats = ff_layout_prepare_layoutstats,
|
||||
.cleanup_layoutstats = ff_layout_cleanup_layoutstats,
|
||||
};
|
||||
|
||||
static int __init nfs4flexfilelayout_init(void)
|
||||
|
|
|
|||
|
|
@ -75,6 +75,7 @@ struct nfs4_ff_layout_mirror {
|
|||
struct nfs4_ff_layoutstat read_stat;
|
||||
struct nfs4_ff_layoutstat write_stat;
|
||||
ktime_t start_time;
|
||||
struct pnfs_layout_segment *lseg; /* back pointer */
|
||||
};
|
||||
|
||||
struct nfs4_ff_layout_segment {
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче