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authorFred Isaman <iisaman@citi.umich.edu>2011-07-30 20:52:46 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-07-31 12:18:16 -0400
commit2f9fd182607e7b3bdca35f6ed7f2fae539f7c46b (patch)
tree9a61ca5ef63c4160c3b632fe333720d3927b627f /fs/nfs/blocklayout/blocklayoutdev.c
parent03341d2cc91c700fc38883e572043a6a8f17dd5c (diff)
pnfsblock: call and parse getdevicelist
Call GETDEVICELIST during mount, then call and parse GETDEVICEINFO for each device returned. [pnfsblock: get rid of deprecated xdr macros] Signed-off-by: Jim Rees <rees@umich.edu> [pnfsblock: fix pnfs_deviceid references] Signed-off-by: Fred Isaman <iisaman@citi.umich.edu> [pnfsblock: fix print format warnings for sector_t and size_t] [pnfs-block: #include <linux/vmalloc.h>] [pnfsblock: no PNFS_NFS_SERVER] Signed-off-by: Benny Halevy <bhalevy@panasas.com> [pnfsblock: fix bug determining size of striped volume] [pnfsblock: fix oops when using multiple devices] Signed-off-by: Fred Isaman <iisaman@citi.umich.edu> Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: Benny Halevy <bhalevy@tonian.com> [pnfsblock: get rid of vmap and deviceid->area structure] Signed-off-by: Peng Tao <peng_tao@emc.com> Signed-off-by: Jim Rees <rees@umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/blocklayout/blocklayoutdev.c')
-rw-r--r--fs/nfs/blocklayout/blocklayoutdev.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/nfs/blocklayout/blocklayoutdev.c b/fs/nfs/blocklayout/blocklayoutdev.c
index 64da33a40eaf..b23fe601d1c9 100644
--- a/fs/nfs/blocklayout/blocklayoutdev.c
+++ b/fs/nfs/blocklayout/blocklayoutdev.c
@@ -116,8 +116,7 @@ void bl_pipe_destroy_msg(struct rpc_pipe_msg *msg)
*/
struct pnfs_block_dev *
nfs4_blk_decode_device(struct nfs_server *server,
- struct pnfs_device *dev,
- struct list_head *sdlist)
+ struct pnfs_device *dev)
{
struct pnfs_block_dev *rv = NULL;
struct block_device *bd = NULL;
@@ -129,6 +128,7 @@ nfs4_blk_decode_device(struct nfs_server *server,
uint8_t *dataptr;
DECLARE_WAITQUEUE(wq, current);
struct bl_dev_msg *reply = &bl_mount_reply;
+ int offset, len, i;
dprintk("%s CREATING PIPEFS MESSAGE\n", __func__);
dprintk("%s: deviceid: %s, mincount: %d\n", __func__, dev->dev_id.data,
@@ -143,7 +143,14 @@ nfs4_blk_decode_device(struct nfs_server *server,
memcpy(msg.data, &bl_msg, sizeof(bl_msg));
dataptr = (uint8_t *) msg.data;
- memcpy(&dataptr[sizeof(bl_msg)], dev->area, dev->mincount);
+ len = dev->mincount;
+ offset = sizeof(bl_msg);
+ for (i = 0; len > 0; i++) {
+ memcpy(&dataptr[offset], page_address(dev->pages[i]),
+ len < PAGE_CACHE_SIZE ? len : PAGE_CACHE_SIZE);
+ len -= PAGE_CACHE_SIZE;
+ offset += PAGE_CACHE_SIZE;
+ }
msg.len = sizeof(bl_msg) + dev->mincount;
dprintk("%s CALLING USERSPACE DAEMON\n", __func__);

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