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Diffstat (limited to 'fs/lockd/clntlock.c')
-rw-r--r--fs/lockd/clntlock.c51
1 files changed, 36 insertions, 15 deletions
diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index d5bb86866e6..41e491b8e5d 100644
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -11,10 +11,9 @@
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/nfs_fs.h>
-#include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
#include <linux/sunrpc/svc.h>
#include <linux/lockd/lockd.h>
-#include <linux/smp_lock.h>
#include <linux/kthread.h>
#define NLMDBG_FACILITY NLMDBG_CLIENT
@@ -57,19 +56,25 @@ struct nlm_host *nlmclnt_init(const struct nlmclnt_initdata *nlm_init)
u32 nlm_version = (nlm_init->nfs_version == 2) ? 1 : 4;
int status;
- status = lockd_up();
+ status = lockd_up(nlm_init->net);
if (status < 0)
return ERR_PTR(status);
host = nlmclnt_lookup_host(nlm_init->address, nlm_init->addrlen,
nlm_init->protocol, nlm_version,
- nlm_init->hostname, nlm_init->noresvport);
- if (host == NULL) {
- lockd_down();
- return ERR_PTR(-ENOLCK);
- }
+ nlm_init->hostname, nlm_init->noresvport,
+ nlm_init->net);
+ if (host == NULL)
+ goto out_nohost;
+ if (host->h_rpcclnt == NULL && nlm_bind_host(host) == NULL)
+ goto out_nobind;
return host;
+out_nobind:
+ nlmclnt_release_host(host);
+out_nohost:
+ lockd_down(nlm_init->net);
+ return ERR_PTR(-ENOLCK);
}
EXPORT_SYMBOL_GPL(nlmclnt_init);
@@ -80,8 +85,10 @@ EXPORT_SYMBOL_GPL(nlmclnt_init);
*/
void nlmclnt_done(struct nlm_host *host)
{
- nlm_release_host(host);
- lockd_down();
+ struct net *net = host->net;
+
+ nlmclnt_release_host(host);
+ lockd_down(net);
}
EXPORT_SYMBOL_GPL(nlmclnt_done);
@@ -142,6 +149,9 @@ int nlmclnt_block(struct nlm_wait *block, struct nlm_rqst *req, long timeout)
timeout);
if (ret < 0)
return -ERESTARTSYS;
+ /* Reset the lock status after a server reboot so we resend */
+ if (block->b_status == nlm_lck_denied_grace_period)
+ block->b_status = nlm_lck_blocked;
req->a_res.status = block->b_status;
return 0;
}
@@ -176,7 +186,7 @@ __be32 nlmclnt_grant(const struct sockaddr *addr, const struct nlm_lock *lock)
continue;
if (!rpc_cmp_addr(nlm_addr(block->b_host), addr))
continue;
- if (nfs_compare_fh(NFS_FH(fl_blocked->fl_file->f_path.dentry->d_inode) ,fh) != 0)
+ if (nfs_compare_fh(NFS_FH(file_inode(fl_blocked->fl_file)) ,fh) != 0)
continue;
/* Alright, we found a lock. Set the return status
* and wake up the caller
@@ -218,13 +228,23 @@ reclaimer(void *ptr)
{
struct nlm_host *host = (struct nlm_host *) ptr;
struct nlm_wait *block;
+ struct nlm_rqst *req;
struct file_lock *fl, *next;
u32 nsmstate;
+ struct net *net = host->net;
+
+ req = kmalloc(sizeof(*req), GFP_KERNEL);
+ if (!req) {
+ printk(KERN_ERR "lockd: reclaimer unable to alloc memory."
+ " Locks for %s won't be reclaimed!\n",
+ host->h_name);
+ return 0;
+ }
allow_signal(SIGKILL);
down_write(&host->h_rwsem);
- lockd_up(); /* note: this cannot fail as lockd is already running */
+ lockd_up(net); /* note: this cannot fail as lockd is already running */
dprintk("lockd: reclaiming locks for host %s\n", host->h_name);
@@ -250,7 +270,7 @@ restart:
*/
if (signalled())
continue;
- if (nlmclnt_reclaim(host, fl) != 0)
+ if (nlmclnt_reclaim(host, fl, req) != 0)
continue;
list_add_tail(&fl->fl_u.nfs_fl.list, &host->h_granted);
if (host->h_nsmstate != nsmstate) {
@@ -274,7 +294,8 @@ restart:
spin_unlock(&nlm_blocked_lock);
/* Release host handle after use */
- nlm_release_host(host);
- lockd_down();
+ nlmclnt_release_host(host);
+ lockd_down(net);
+ kfree(req);
return 0;
}