aboutsummaryrefslogtreecommitdiffstats
path: root/fs/nfs/nfs4filelayoutdev.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/nfs/nfs4filelayoutdev.c')
-rw-r--r--fs/nfs/nfs4filelayoutdev.c44
1 files changed, 10 insertions, 34 deletions
diff --git a/fs/nfs/nfs4filelayoutdev.c b/fs/nfs/nfs4filelayoutdev.c
index a1fab8da7f0..b720064bcd7 100644
--- a/fs/nfs/nfs4filelayoutdev.c
+++ b/fs/nfs/nfs4filelayoutdev.c
@@ -33,6 +33,7 @@
#include <linux/module.h>
#include "internal.h"
+#include "nfs4session.h"
#include "nfs4filelayout.h"
#define NFSDBG_FACILITY NFSDBG_PNFS_LD
@@ -149,28 +150,6 @@ _data_server_lookup_locked(const struct list_head *dsaddrs)
}
/*
- * Lookup DS by nfs_client pointer. Zero data server client pointer
- */
-void nfs4_ds_disconnect(struct nfs_client *clp)
-{
- struct nfs4_pnfs_ds *ds;
- struct nfs_client *found = NULL;
-
- dprintk("%s clp %p\n", __func__, clp);
- spin_lock(&nfs4_ds_cache_lock);
- list_for_each_entry(ds, &nfs4_data_server_cache, ds_node)
- if (ds->ds_clp && ds->ds_clp == clp) {
- found = ds->ds_clp;
- ds->ds_clp = NULL;
- }
- spin_unlock(&nfs4_ds_cache_lock);
- if (found) {
- set_bit(NFS_CS_STOP_RENEW, &clp->cl_res_state);
- nfs_put_client(clp);
- }
-}
-
-/*
* Create an rpc connection to the nfs4_pnfs_ds data server
* Currently only supports IPv4 and IPv6 addresses
*/
@@ -184,8 +163,6 @@ nfs4_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds)
dprintk("--> %s DS %s au_flavor %d\n", __func__, ds->ds_remotestr,
mds_srv->nfs_client->cl_rpcclient->cl_auth->au_flavor);
- BUG_ON(list_empty(&ds->ds_addrs));
-
list_for_each_entry(da, &ds->ds_addrs, da_node) {
dprintk("%s: DS %s: trying address %s\n",
__func__, ds->ds_remotestr, da->da_remotestr);
@@ -690,7 +667,7 @@ decode_and_add_device(struct inode *inode, struct pnfs_device *dev, gfp_t gfp_fl
* of available devices, and return it.
*/
struct nfs4_file_layout_dsaddr *
-get_device_info(struct inode *inode, struct nfs4_deviceid *dev_id, gfp_t gfp_flags)
+filelayout_get_device_info(struct inode *inode, struct nfs4_deviceid *dev_id, gfp_t gfp_flags)
{
struct pnfs_device *pdev = NULL;
u32 max_resp_sz;
@@ -728,7 +705,7 @@ get_device_info(struct inode *inode, struct nfs4_deviceid *dev_id, gfp_t gfp_fla
pdev->layout_type = LAYOUT_NFSV4_1_FILES;
pdev->pages = pages;
pdev->pgbase = 0;
- pdev->pglen = PAGE_SIZE * max_pages;
+ pdev->pglen = max_resp_sz;
pdev->mincount = 0;
rc = nfs4_proc_getdeviceinfo(server, pdev);
@@ -804,13 +781,14 @@ nfs4_fl_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx)
struct nfs4_pnfs_ds *ds = dsaddr->ds_list[ds_idx];
struct nfs4_deviceid_node *devid = FILELAYOUT_DEVID_NODE(lseg);
- if (filelayout_test_devid_invalid(devid))
+ if (filelayout_test_devid_unavailable(devid))
return NULL;
if (ds == NULL) {
printk(KERN_ERR "NFS: %s: No data server for offset index %d\n",
__func__, ds_idx);
- goto mark_dev_invalid;
+ filelayout_mark_devid_invalid(devid);
+ return NULL;
}
if (!ds->ds_clp) {
@@ -818,14 +796,12 @@ nfs4_fl_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx)
int err;
err = nfs4_ds_connect(s, ds);
- if (err)
- goto mark_dev_invalid;
+ if (err) {
+ nfs4_mark_deviceid_unavailable(devid);
+ return NULL;
+ }
}
return ds;
-
-mark_dev_invalid:
- filelayout_mark_devid_invalid(devid);
- return NULL;
}
module_param(dataserver_retrans, uint, 0644);