Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
fs/nfs/flexfilelayout/flexfilelayout.c | 59 ++++++++++++++++++++--------------
fs/nfs/nfs42proc.c | 9 ++++--
fs/nfs/nfs42xdr.c | 5 +--
fs/nfs/pnfs.h | 1 -
include/linux/nfs_xdr.h | 3 +-
5 files changed, 44 insertions(+), 33 deletions(-)
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index c18afd5cc0bb..e5078301720a 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -1988,7 +1988,7 @@ static int ff_layout_encode_ioerr(struct nfs4_flexfile_layout *flo,
}
/* report nothing for now */
-static void ff_layout_encode_iostats(struct nfs4_flexfile_layout *flo,
+static void ff_layout_encode_iostats_array(struct nfs4_flexfile_layout *flo,
struct xdr_stream *xdr,
const struct nfs4_layoutreturn_args *args)
{
@@ -2026,7 +2026,7 @@ ff_layout_encode_layoutreturn(struct xdr_stream *xdr,
BUG_ON(!start);
ff_layout_encode_ioerr(flo, xdr, args, ff_opaque->data);
- ff_layout_encode_iostats(flo, xdr, args);
+ ff_layout_encode_iostats_array(flo, xdr, args);
*start = cpu_to_be32((xdr->p - start - 1) * 4);
dprintk("%s: Return\n", __func__);
@@ -2191,21 +2191,18 @@ ff_layout_encode_io_latency(struct xdr_stream *xdr,
}
static void
-ff_layout_encode_layoutstats(struct xdr_stream *xdr,
- struct nfs42_layoutstat_args *args,
- struct nfs42_layoutstat_devinfo *devinfo)
+ff_layout_encode_ff_layoutupdate(struct xdr_stream *xdr,
+ const struct nfs42_layoutstat_devinfo *devinfo,
+ struct nfs4_ff_layout_mirror *mirror)
{
- 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;
+ __be32 *p;
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 */
@@ -2222,10 +2219,36 @@ ff_layout_encode_layoutstats(struct xdr_stream *xdr,
/* bool */
p = xdr_reserve_space(xdr, 4);
*p = cpu_to_be32(false);
+}
+
+static void
+ff_layout_encode_layoutstats(struct xdr_stream *xdr, const void *args,
+ const struct nfs4_xdr_opaque_data *opaque)
+{
+ struct nfs42_layoutstat_devinfo *devinfo = container_of(opaque,
+ struct nfs42_layoutstat_devinfo, ld_private);
+ __be32 *start;
+
+ /* layoutupdate length */
+ start = xdr_reserve_space(xdr, 4);
+ ff_layout_encode_ff_layoutupdate(xdr, devinfo, opaque->data);
*start = cpu_to_be32((xdr->p - start - 1) * 4);
}
+static void
+ff_layout_free_layoutstats(struct nfs4_xdr_opaque_data *opaque)
+{
+ struct nfs4_ff_layout_mirror *mirror = opaque->data;
+
+ ff_layout_put_mirror(mirror);
+}
+
+static const struct nfs4_xdr_opaque_ops layoutstat_ops = {
+ .encode = ff_layout_encode_layoutstats,
+ .free = ff_layout_free_layoutstats,
+};
+
static int
ff_layout_mirror_prepare_stats(struct pnfs_layout_hdr *lo,
struct nfs42_layoutstat_devinfo *devinfo,
@@ -2257,8 +2280,8 @@ ff_layout_mirror_prepare_stats(struct pnfs_layout_hdr *lo,
devinfo->write_bytes = mirror->write_stat.io_stat.bytes_completed;
spin_unlock(&mirror->lock);
devinfo->layout_type = LAYOUT_FLEX_FILES;
- devinfo->layoutstats_encode = ff_layout_encode_layoutstats;
- devinfo->layout_private = mirror;
+ devinfo->ld_private.ops = &layoutstat_ops;
+ devinfo->ld_private.data = mirror;
devinfo++;
i++;
@@ -2291,19 +2314,6 @@ 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;
- ff_layout_put_mirror(mirror);
- }
-}
-
static struct pnfs_layoutdriver_type flexfilelayout_type = {
.id = LAYOUT_FLEX_FILES,
.name = "LAYOUT_FLEX_FILES",
@@ -2328,7 +2338,6 @@ static struct pnfs_layoutdriver_type flexfilelayout_type = {
.prepare_layoutreturn = ff_layout_prepare_layoutreturn,
.sync = pnfs_nfs_generic_sync,
.prepare_layoutstats = ff_layout_prepare_layoutstats,
- .cleanup_layoutstats = ff_layout_cleanup_layoutstats,
};
static int __init nfs4flexfilelayout_init(void)
diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c
index 608501971fe0..d12ff9385f49 100644
--- a/fs/nfs/nfs42proc.c
+++ b/fs/nfs/nfs42proc.c
@@ -397,10 +397,13 @@ static void
nfs42_layoutstat_release(void *calldata)
{
struct nfs42_layoutstat_data *data = calldata;
- struct nfs_server *nfss = NFS_SERVER(data->args.inode);
+ struct nfs42_layoutstat_devinfo *devinfo = data->args.devinfo;
+ int i;
- if (nfss->pnfs_curr_ld->cleanup_layoutstats)
- nfss->pnfs_curr_ld->cleanup_layoutstats(data);
+ for (i = 0; i < data->args.num_dev; i++) {
+ if (devinfo[i].ld_private.ops && devinfo[i].ld_private.ops->free)
+ devinfo[i].ld_private.ops->free(&devinfo[i].ld_private);
+ }
pnfs_put_layout_hdr(NFS_I(data->args.inode)->layout);
smp_mb__before_atomic();
diff --git a/fs/nfs/nfs42xdr.c b/fs/nfs/nfs42xdr.c
index 8b2605882a20..6c7296454bbc 100644
--- a/fs/nfs/nfs42xdr.c
+++ b/fs/nfs/nfs42xdr.c
@@ -181,8 +181,9 @@ static void encode_layoutstats(struct xdr_stream *xdr,
NFS4_DEVICEID4_SIZE);
/* Encode layoutupdate4 */
*p++ = cpu_to_be32(devinfo->layout_type);
- if (devinfo->layoutstats_encode != NULL)
- devinfo->layoutstats_encode(xdr, args, devinfo);
+ if (devinfo->ld_private.ops)
+ devinfo->ld_private.ops->encode(xdr, args,
+ &devinfo->ld_private);
else
encode_uint32(xdr, 0);
}
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index d1e028175cd1..63f77b49a586 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -182,7 +182,6 @@ struct pnfs_layoutdriver_type {
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 {
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index b64177d669fd..617cfaa20ffc 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -357,8 +357,7 @@ struct nfs42_layoutstat_devinfo {
__u64 write_count;
__u64 write_bytes;
__u32 layout_type;
- layoutstats_encode_t layoutstats_encode;
- void *layout_private;
+ struct nfs4_xdr_opaque_data ld_private;
};
struct nfs42_layoutstat_args {
--
2.9.3
--
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