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-rw-r--r--fs/lockd/Makefile9
-rw-r--r--fs/lockd/clnt4xdr.c14
-rw-r--r--fs/lockd/clntlock.c2
-rw-r--r--fs/lockd/clntproc.c65
-rw-r--r--fs/lockd/clntxdr.c19
-rw-r--r--fs/lockd/host.c3
-rw-r--r--fs/lockd/mon.c2
-rw-r--r--fs/lockd/netlink.c44
-rw-r--r--fs/lockd/netlink.h19
-rw-r--r--fs/lockd/netns.h3
-rw-r--r--fs/lockd/svc.c145
-rw-r--r--fs/lockd/svc4proc.c26
-rw-r--r--fs/lockd/svclock.c73
-rw-r--r--fs/lockd/svcproc.c25
-rw-r--r--fs/lockd/svcsubs.c24
-rw-r--r--fs/lockd/xdr.c14
-rw-r--r--fs/lockd/xdr4.c14
17 files changed, 321 insertions, 180 deletions
diff --git a/fs/lockd/Makefile b/fs/lockd/Makefile
index ac9f9d84510e..51bbe22d21e3 100644
--- a/fs/lockd/Makefile
+++ b/fs/lockd/Makefile
@@ -7,8 +7,7 @@ ccflags-y += -I$(src) # needed for trace events
obj-$(CONFIG_LOCKD) += lockd.o
-lockd-objs-y += clntlock.o clntproc.o clntxdr.o host.o svc.o svclock.o \
- svcshare.o svcproc.o svcsubs.o mon.o trace.o xdr.o
-lockd-objs-$(CONFIG_LOCKD_V4) += clnt4xdr.o xdr4.o svc4proc.o
-lockd-objs-$(CONFIG_PROC_FS) += procfs.o
-lockd-objs := $(lockd-objs-y)
+lockd-y := clntlock.o clntproc.o clntxdr.o host.o svc.o svclock.o \
+ svcshare.o svcproc.o svcsubs.o mon.o trace.o xdr.o netlink.o
+lockd-$(CONFIG_LOCKD_V4) += clnt4xdr.o xdr4.o svc4proc.o
+lockd-$(CONFIG_PROC_FS) += procfs.o
diff --git a/fs/lockd/clnt4xdr.c b/fs/lockd/clnt4xdr.c
index 8161667c976f..527458db4525 100644
--- a/fs/lockd/clnt4xdr.c
+++ b/fs/lockd/clnt4xdr.c
@@ -243,7 +243,7 @@ static void encode_nlm4_holder(struct xdr_stream *xdr,
u64 l_offset, l_len;
__be32 *p;
- encode_bool(xdr, lock->fl.fl_type == F_RDLCK);
+ encode_bool(xdr, lock->fl.c.flc_type == F_RDLCK);
encode_int32(xdr, lock->svid);
encode_netobj(xdr, lock->oh.data, lock->oh.len);
@@ -270,7 +270,7 @@ static int decode_nlm4_holder(struct xdr_stream *xdr, struct nlm_res *result)
goto out_overflow;
exclusive = be32_to_cpup(p++);
lock->svid = be32_to_cpup(p);
- fl->fl_pid = (pid_t)lock->svid;
+ fl->c.flc_pid = (pid_t)lock->svid;
error = decode_netobj(xdr, &lock->oh);
if (unlikely(error))
@@ -280,8 +280,8 @@ static int decode_nlm4_holder(struct xdr_stream *xdr, struct nlm_res *result)
if (unlikely(p == NULL))
goto out_overflow;
- fl->fl_flags = FL_POSIX;
- fl->fl_type = exclusive != 0 ? F_WRLCK : F_RDLCK;
+ fl->c.flc_flags = FL_POSIX;
+ fl->c.flc_type = exclusive != 0 ? F_WRLCK : F_RDLCK;
p = xdr_decode_hyper(p, &l_offset);
xdr_decode_hyper(p, &l_len);
nlm4svc_set_file_lock_range(fl, l_offset, l_len);
@@ -357,7 +357,7 @@ static void nlm4_xdr_enc_testargs(struct rpc_rqst *req,
const struct nlm_lock *lock = &args->lock;
encode_cookie(xdr, &args->cookie);
- encode_bool(xdr, lock->fl.fl_type == F_WRLCK);
+ encode_bool(xdr, lock->fl.c.flc_type == F_WRLCK);
encode_nlm4_lock(xdr, lock);
}
@@ -380,7 +380,7 @@ static void nlm4_xdr_enc_lockargs(struct rpc_rqst *req,
encode_cookie(xdr, &args->cookie);
encode_bool(xdr, args->block);
- encode_bool(xdr, lock->fl.fl_type == F_WRLCK);
+ encode_bool(xdr, lock->fl.c.flc_type == F_WRLCK);
encode_nlm4_lock(xdr, lock);
encode_bool(xdr, args->reclaim);
encode_int32(xdr, args->state);
@@ -403,7 +403,7 @@ static void nlm4_xdr_enc_cancargs(struct rpc_rqst *req,
encode_cookie(xdr, &args->cookie);
encode_bool(xdr, args->block);
- encode_bool(xdr, lock->fl.fl_type == F_WRLCK);
+ encode_bool(xdr, lock->fl.c.flc_type == F_WRLCK);
encode_nlm4_lock(xdr, lock);
}
diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index 5d85715be763..a7e0519ec024 100644
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -185,7 +185,7 @@ __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(file_inode(fl_blocked->fl_file)), fh) != 0)
+ if (nfs_compare_fh(NFS_FH(file_inode(fl_blocked->c.flc_file)), fh) != 0)
continue;
/* Alright, we found a lock. Set the return status
* and wake up the caller
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index fba6c7fa7474..cebcc283b7ce 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -133,7 +133,8 @@ static void nlmclnt_setlockargs(struct nlm_rqst *req, struct file_lock *fl)
char *nodename = req->a_host->h_rpcclnt->cl_nodename;
nlmclnt_next_cookie(&argp->cookie);
- memcpy(&lock->fh, NFS_FH(file_inode(fl->fl_file)), sizeof(struct nfs_fh));
+ memcpy(&lock->fh, NFS_FH(file_inode(fl->c.flc_file)),
+ sizeof(struct nfs_fh));
lock->caller = nodename;
lock->oh.data = req->a_owner;
lock->oh.len = snprintf(req->a_owner, sizeof(req->a_owner), "%u@%s",
@@ -142,7 +143,7 @@ static void nlmclnt_setlockargs(struct nlm_rqst *req, struct file_lock *fl)
lock->svid = fl->fl_u.nfs_fl.owner->pid;
lock->fl.fl_start = fl->fl_start;
lock->fl.fl_end = fl->fl_end;
- lock->fl.fl_type = fl->fl_type;
+ lock->fl.c.flc_type = fl->c.flc_type;
}
static void nlmclnt_release_lockargs(struct nlm_rqst *req)
@@ -182,7 +183,7 @@ int nlmclnt_proc(struct nlm_host *host, int cmd, struct file_lock *fl, void *dat
call->a_callback_data = data;
if (IS_SETLK(cmd) || IS_SETLKW(cmd)) {
- if (fl->fl_type != F_UNLCK) {
+ if (fl->c.flc_type != F_UNLCK) {
call->a_args.block = IS_SETLKW(cmd) ? 1 : 0;
status = nlmclnt_lock(call, fl);
} else
@@ -432,13 +433,14 @@ nlmclnt_test(struct nlm_rqst *req, struct file_lock *fl)
{
int status;
- status = nlmclnt_call(nfs_file_cred(fl->fl_file), req, NLMPROC_TEST);
+ status = nlmclnt_call(nfs_file_cred(fl->c.flc_file), req,
+ NLMPROC_TEST);
if (status < 0)
goto out;
switch (req->a_res.status) {
case nlm_granted:
- fl->fl_type = F_UNLCK;
+ fl->c.flc_type = F_UNLCK;
break;
case nlm_lck_denied:
/*
@@ -446,8 +448,8 @@ nlmclnt_test(struct nlm_rqst *req, struct file_lock *fl)
*/
fl->fl_start = req->a_res.lock.fl.fl_start;
fl->fl_end = req->a_res.lock.fl.fl_end;
- fl->fl_type = req->a_res.lock.fl.fl_type;
- fl->fl_pid = -req->a_res.lock.fl.fl_pid;
+ fl->c.flc_type = req->a_res.lock.fl.c.flc_type;
+ fl->c.flc_pid = -req->a_res.lock.fl.c.flc_pid;
break;
default:
status = nlm_stat_to_errno(req->a_res.status);
@@ -485,14 +487,15 @@ static const struct file_lock_operations nlmclnt_lock_ops = {
static void nlmclnt_locks_init_private(struct file_lock *fl, struct nlm_host *host)
{
fl->fl_u.nfs_fl.state = 0;
- fl->fl_u.nfs_fl.owner = nlmclnt_find_lockowner(host, fl->fl_owner);
+ fl->fl_u.nfs_fl.owner = nlmclnt_find_lockowner(host,
+ fl->c.flc_owner);
INIT_LIST_HEAD(&fl->fl_u.nfs_fl.list);
fl->fl_ops = &nlmclnt_lock_ops;
}
static int do_vfs_lock(struct file_lock *fl)
{
- return locks_lock_file_wait(fl->fl_file, fl);
+ return locks_lock_file_wait(fl->c.flc_file, fl);
}
/*
@@ -518,12 +521,12 @@ static int do_vfs_lock(struct file_lock *fl)
static int
nlmclnt_lock(struct nlm_rqst *req, struct file_lock *fl)
{
- const struct cred *cred = nfs_file_cred(fl->fl_file);
+ const struct cred *cred = nfs_file_cred(fl->c.flc_file);
struct nlm_host *host = req->a_host;
struct nlm_res *resp = &req->a_res;
struct nlm_wait block;
- unsigned char fl_flags = fl->fl_flags;
- unsigned char fl_type;
+ unsigned char flags = fl->c.flc_flags;
+ unsigned char type;
__be32 b_status;
int status = -ENOLCK;
@@ -531,9 +534,9 @@ nlmclnt_lock(struct nlm_rqst *req, struct file_lock *fl)
goto out;
req->a_args.state = nsm_local_state;
- fl->fl_flags |= FL_ACCESS;
+ fl->c.flc_flags |= FL_ACCESS;
status = do_vfs_lock(fl);
- fl->fl_flags = fl_flags;
+ fl->c.flc_flags = flags;
if (status < 0)
goto out;
@@ -591,11 +594,11 @@ again:
goto again;
}
/* Ensure the resulting lock will get added to granted list */
- fl->fl_flags |= FL_SLEEP;
+ fl->c.flc_flags |= FL_SLEEP;
if (do_vfs_lock(fl) < 0)
printk(KERN_WARNING "%s: VFS is out of sync with lock manager!\n", __func__);
up_read(&host->h_rwsem);
- fl->fl_flags = fl_flags;
+ fl->c.flc_flags = flags;
status = 0;
}
if (status < 0)
@@ -605,7 +608,7 @@ again:
* cases NLM_LCK_DENIED is returned for a permanent error. So
* turn it into an ENOLCK.
*/
- if (resp->status == nlm_lck_denied && (fl_flags & FL_SLEEP))
+ if (resp->status == nlm_lck_denied && (flags & FL_SLEEP))
status = -ENOLCK;
else
status = nlm_stat_to_errno(resp->status);
@@ -622,13 +625,13 @@ out_unlock:
req->a_host->h_addrlen, req->a_res.status);
dprintk("lockd: lock attempt ended in fatal error.\n"
" Attempting to unlock.\n");
- fl_type = fl->fl_type;
- fl->fl_type = F_UNLCK;
+ type = fl->c.flc_type;
+ fl->c.flc_type = F_UNLCK;
down_read(&host->h_rwsem);
do_vfs_lock(fl);
up_read(&host->h_rwsem);
- fl->fl_type = fl_type;
- fl->fl_flags = fl_flags;
+ fl->c.flc_type = type;
+ fl->c.flc_flags = flags;
nlmclnt_async_call(cred, req, NLMPROC_UNLOCK, &nlmclnt_unlock_ops);
return status;
}
@@ -651,12 +654,14 @@ nlmclnt_reclaim(struct nlm_host *host, struct file_lock *fl,
nlmclnt_setlockargs(req, fl);
req->a_args.reclaim = 1;
- status = nlmclnt_call(nfs_file_cred(fl->fl_file), req, NLMPROC_LOCK);
+ status = nlmclnt_call(nfs_file_cred(fl->c.flc_file), req,
+ NLMPROC_LOCK);
if (status >= 0 && req->a_res.status == nlm_granted)
return 0;
printk(KERN_WARNING "lockd: failed to reclaim lock for pid %d "
- "(errno %d, status %d)\n", fl->fl_pid,
+ "(errno %d, status %d)\n",
+ fl->c.flc_pid,
status, ntohl(req->a_res.status));
/*
@@ -683,26 +688,26 @@ nlmclnt_unlock(struct nlm_rqst *req, struct file_lock *fl)
struct nlm_host *host = req->a_host;
struct nlm_res *resp = &req->a_res;
int status;
- unsigned char fl_flags = fl->fl_flags;
+ unsigned char flags = fl->c.flc_flags;
/*
* Note: the server is supposed to either grant us the unlock
* request, or to deny it with NLM_LCK_DENIED_GRACE_PERIOD. In either
* case, we want to unlock.
*/
- fl->fl_flags |= FL_EXISTS;
+ fl->c.flc_flags |= FL_EXISTS;
down_read(&host->h_rwsem);
status = do_vfs_lock(fl);
up_read(&host->h_rwsem);
- fl->fl_flags = fl_flags;
+ fl->c.flc_flags = flags;
if (status == -ENOENT) {
status = 0;
goto out;
}
refcount_inc(&req->a_count);
- status = nlmclnt_async_call(nfs_file_cred(fl->fl_file), req,
- NLMPROC_UNLOCK, &nlmclnt_unlock_ops);
+ status = nlmclnt_async_call(nfs_file_cred(fl->c.flc_file), req,
+ NLMPROC_UNLOCK, &nlmclnt_unlock_ops);
if (status < 0)
goto out;
@@ -795,8 +800,8 @@ static int nlmclnt_cancel(struct nlm_host *host, int block, struct file_lock *fl
req->a_args.block = block;
refcount_inc(&req->a_count);
- status = nlmclnt_async_call(nfs_file_cred(fl->fl_file), req,
- NLMPROC_CANCEL, &nlmclnt_cancel_ops);
+ status = nlmclnt_async_call(nfs_file_cred(fl->c.flc_file), req,
+ NLMPROC_CANCEL, &nlmclnt_cancel_ops);
if (status == 0 && req->a_res.status == nlm_lck_denied)
status = -ENOLCK;
nlmclnt_release_call(req);
diff --git a/fs/lockd/clntxdr.c b/fs/lockd/clntxdr.c
index 4df62f635529..6ea3448d2d31 100644
--- a/fs/lockd/clntxdr.c
+++ b/fs/lockd/clntxdr.c
@@ -2,8 +2,9 @@
/*
* linux/fs/lockd/clntxdr.c
*
- * XDR functions to encode/decode NLM version 3 RPC arguments and results.
- * NLM version 3 is backwards compatible with NLM versions 1 and 2.
+ * XDR functions to encode/decode NLM version 1 and 3 RPC
+ * arguments and results. NLM version 2 is not specified
+ * by a standard, thus it is not implemented.
*
* NLM client-side only.
*
@@ -238,7 +239,7 @@ static void encode_nlm_holder(struct xdr_stream *xdr,
u32 l_offset, l_len;
__be32 *p;
- encode_bool(xdr, lock->fl.fl_type == F_RDLCK);
+ encode_bool(xdr, lock->fl.c.flc_type == F_RDLCK);
encode_int32(xdr, lock->svid);
encode_netobj(xdr, lock->oh.data, lock->oh.len);
@@ -265,7 +266,7 @@ static int decode_nlm_holder(struct xdr_stream *xdr, struct nlm_res *result)
goto out_overflow;
exclusive = be32_to_cpup(p++);
lock->svid = be32_to_cpup(p);
- fl->fl_pid = (pid_t)lock->svid;
+ fl->c.flc_pid = (pid_t)lock->svid;
error = decode_netobj(xdr, &lock->oh);
if (unlikely(error))
@@ -275,8 +276,8 @@ static int decode_nlm_holder(struct xdr_stream *xdr, struct nlm_res *result)
if (unlikely(p == NULL))
goto out_overflow;
- fl->fl_flags = FL_POSIX;
- fl->fl_type = exclusive != 0 ? F_WRLCK : F_RDLCK;
+ fl->c.flc_flags = FL_POSIX;
+ fl->c.flc_type = exclusive != 0 ? F_WRLCK : F_RDLCK;
l_offset = be32_to_cpup(p++);
l_len = be32_to_cpup(p);
end = l_offset + l_len - 1;
@@ -357,7 +358,7 @@ static void nlm_xdr_enc_testargs(struct rpc_rqst *req,
const struct nlm_lock *lock = &args->lock;
encode_cookie(xdr, &args->cookie);
- encode_bool(xdr, lock->fl.fl_type == F_WRLCK);
+ encode_bool(xdr, lock->fl.c.flc_type == F_WRLCK);
encode_nlm_lock(xdr, lock);
}
@@ -380,7 +381,7 @@ static void nlm_xdr_enc_lockargs(struct rpc_rqst *req,
encode_cookie(xdr, &args->cookie);
encode_bool(xdr, args->block);
- encode_bool(xdr, lock->fl.fl_type == F_WRLCK);
+ encode_bool(xdr, lock->fl.c.flc_type == F_WRLCK);
encode_nlm_lock(xdr, lock);
encode_bool(xdr, args->reclaim);
encode_int32(xdr, args->state);
@@ -403,7 +404,7 @@ static void nlm_xdr_enc_cancargs(struct rpc_rqst *req,
encode_cookie(xdr, &args->cookie);
encode_bool(xdr, args->block);
- encode_bool(xdr, lock->fl.fl_type == F_WRLCK);
+ encode_bool(xdr, lock->fl.c.flc_type == F_WRLCK);
encode_nlm_lock(xdr, lock);
}
diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index 127a728fcbc8..5e6877c37f73 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -117,7 +117,6 @@ static struct nlm_host *nlm_alloc_host(struct nlm_lookup_host_info *ni,
if (nsm != NULL)
refcount_inc(&nsm->sm_count);
else {
- host = NULL;
nsm = nsm_get_handle(ni->net, ni->sap, ni->salen,
ni->hostname, ni->hostname_len);
if (unlikely(nsm == NULL)) {
@@ -441,7 +440,7 @@ nlm_bind_host(struct nlm_host *host)
if ((clnt = host->h_rpcclnt) != NULL) {
nlm_rebind_host(host);
} else {
- unsigned long increment = nlmsvc_timeout;
+ unsigned long increment = nlm_timeout * HZ;
struct rpc_timeout timeparms = {
.to_initval = increment,
.to_increment = increment,
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index 87a0f207df0b..b8fc732e1c67 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -18,7 +18,7 @@
#include <linux/sunrpc/svc.h>
#include <linux/lockd/lockd.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include "netns.h"
diff --git a/fs/lockd/netlink.c b/fs/lockd/netlink.c
new file mode 100644
index 000000000000..6e00b02cad90
--- /dev/null
+++ b/fs/lockd/netlink.c
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
+/* Do not edit directly, auto-generated from: */
+/* Documentation/netlink/specs/lockd.yaml */
+/* YNL-GEN kernel source */
+
+#include <net/netlink.h>
+#include <net/genetlink.h>
+
+#include "netlink.h"
+
+#include <uapi/linux/lockd_netlink.h>
+
+/* LOCKD_CMD_SERVER_SET - do */
+static const struct nla_policy lockd_server_set_nl_policy[LOCKD_A_SERVER_UDP_PORT + 1] = {
+ [LOCKD_A_SERVER_GRACETIME] = { .type = NLA_U32, },
+ [LOCKD_A_SERVER_TCP_PORT] = { .type = NLA_U16, },
+ [LOCKD_A_SERVER_UDP_PORT] = { .type = NLA_U16, },
+};
+
+/* Ops table for lockd */
+static const struct genl_split_ops lockd_nl_ops[] = {
+ {
+ .cmd = LOCKD_CMD_SERVER_SET,
+ .doit = lockd_nl_server_set_doit,
+ .policy = lockd_server_set_nl_policy,
+ .maxattr = LOCKD_A_SERVER_UDP_PORT,
+ .flags = GENL_ADMIN_PERM | GENL_CMD_CAP_DO,
+ },
+ {
+ .cmd = LOCKD_CMD_SERVER_GET,
+ .doit = lockd_nl_server_get_doit,
+ .flags = GENL_CMD_CAP_DO,
+ },
+};
+
+struct genl_family lockd_nl_family __ro_after_init = {
+ .name = LOCKD_FAMILY_NAME,
+ .version = LOCKD_FAMILY_VERSION,
+ .netnsok = true,
+ .parallel_ops = true,
+ .module = THIS_MODULE,
+ .split_ops = lockd_nl_ops,
+ .n_split_ops = ARRAY_SIZE(lockd_nl_ops),
+};
diff --git a/fs/lockd/netlink.h b/fs/lockd/netlink.h
new file mode 100644
index 000000000000..1920543a7955
--- /dev/null
+++ b/fs/lockd/netlink.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
+/* Do not edit directly, auto-generated from: */
+/* Documentation/netlink/specs/lockd.yaml */
+/* YNL-GEN kernel header */
+
+#ifndef _LINUX_LOCKD_GEN_H
+#define _LINUX_LOCKD_GEN_H
+
+#include <net/netlink.h>
+#include <net/genetlink.h>
+
+#include <uapi/linux/lockd_netlink.h>
+
+int lockd_nl_server_set_doit(struct sk_buff *skb, struct genl_info *info);
+int lockd_nl_server_get_doit(struct sk_buff *skb, struct genl_info *info);
+
+extern struct genl_family lockd_nl_family;
+
+#endif /* _LINUX_LOCKD_GEN_H */
diff --git a/fs/lockd/netns.h b/fs/lockd/netns.h
index 17432c445fe6..88e8e2a97397 100644
--- a/fs/lockd/netns.h
+++ b/fs/lockd/netns.h
@@ -10,6 +10,9 @@ struct lockd_net {
unsigned int nlmsvc_users;
unsigned long next_gc;
unsigned long nrhosts;
+ u32 gracetime;
+ u16 tcp_port;
+ u16 udp_port;
struct delayed_work grace_period_end;
struct lock_manager lockd_manager;
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index ce5862482097..e80262a51884 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -41,6 +41,7 @@
#include "netns.h"
#include "procfs.h"
+#include "netlink.h"
#define NLMDBG_FACILITY NLMDBG_SVC
#define LOCKD_BUFSIZE (1024 + NLMSVC_XDRSIZE)
@@ -53,7 +54,6 @@ EXPORT_SYMBOL_GPL(nlmsvc_ops);
static DEFINE_MUTEX(nlmsvc_mutex);
static unsigned int nlmsvc_users;
static struct svc_serv *nlmsvc_serv;
-unsigned long nlmsvc_timeout;
static void nlmsvc_request_retry(struct timer_list *tl)
{
@@ -68,12 +68,9 @@ unsigned int lockd_net_id;
* and also changed through the sysctl interface. -- Jamie Lokier, Aug 2003
*/
static unsigned long nlm_grace_period;
-static unsigned long nlm_timeout = LOCKD_DFLT_TIMEO;
+unsigned long nlm_timeout = LOCKD_DFLT_TIMEO;
static int nlm_udpport, nlm_tcpport;
-/* RLIM_NOFILE defaults to 1024. That seems like a reasonable default here. */
-static unsigned int nlm_max_connections = 1024;
-
/*
* Constants needed for the sysctl interface.
*/
@@ -87,8 +84,14 @@ static const int nlm_port_min = 0, nlm_port_max = 65535;
static struct ctl_table_header * nlm_sysctl_table;
#endif
-static unsigned long get_lockd_grace_period(void)
+static unsigned long get_lockd_grace_period(struct net *net)
{
+ struct lockd_net *ln = net_generic(net, lockd_net_id);
+
+ /* Return the net-ns specific grace period, if there is one */
+ if (ln->gracetime)
+ return ln->gracetime * HZ;
+
/* Note: nlm_timeout should always be nonzero */
if (nlm_grace_period)
return roundup(nlm_grace_period, nlm_timeout) * HZ;
@@ -107,7 +110,7 @@ static void grace_ender(struct work_struct *grace)
static void set_grace_period(struct net *net)
{
- unsigned long grace_period = get_lockd_grace_period();
+ unsigned long grace_period = get_lockd_grace_period(net);
struct lockd_net *ln = net_generic(net, lockd_net_id);
locks_start_grace(net, &ln->lockd_manager);
@@ -125,6 +128,8 @@ lockd(void *vrqstp)
struct net *net = &init_net;
struct lockd_net *ln = net_generic(net, lockd_net_id);
+ svc_thread_init_status(rqstp, 0);
+
/* try_to_freeze() is called from svc_recv() */
set_freezable();
@@ -135,9 +140,6 @@ lockd(void *vrqstp)
* NFS mount or NFS daemon has gone away.
*/
while (!svc_thread_should_stop(rqstp)) {
- /* update sv_maxconn if it has changed */
- rqstp->rq_server->sv_maxconn = nlm_max_connections;
-
nlmsvc_retry_blocked(rqstp);
svc_recv(rqstp);
}
@@ -171,15 +173,16 @@ static int create_lockd_listener(struct svc_serv *serv, const char *name,
static int create_lockd_family(struct svc_serv *serv, struct net *net,
const int family, const struct cred *cred)
{
+ struct lockd_net *ln = net_generic(net, lockd_net_id);
int err;
- err = create_lockd_listener(serv, "udp", net, family, nlm_udpport,
- cred);
+ err = create_lockd_listener(serv, "udp", net, family,
+ ln->udp_port ? ln->udp_port : nlm_udpport, cred);
if (err < 0)
return err;
- return create_lockd_listener(serv, "tcp", net, family, nlm_tcpport,
- cred);
+ return create_lockd_listener(serv, "tcp", net, family,
+ ln->tcp_port ? ln->tcp_port : nlm_tcpport, cred);
}
/*
@@ -333,17 +336,12 @@ static int lockd_get(void)
printk(KERN_WARNING
"lockd_up: no pid, %d users??\n", nlmsvc_users);
- if (!nlm_timeout)
- nlm_timeout = LOCKD_DFLT_TIMEO;
- nlmsvc_timeout = nlm_timeout * HZ;
-
serv = svc_create(&nlmsvc_program, LOCKD_BUFSIZE, lockd);
if (!serv) {
printk(KERN_WARNING "lockd_up: create service failed\n");
return -ENOMEM;
}
- serv->sv_maxconn = nlm_max_connections;
error = svc_set_num_threads(serv, NULL, 1);
if (error < 0) {
svc_destroy(&serv);
@@ -422,7 +420,7 @@ EXPORT_SYMBOL_GPL(lockd_down);
* Sysctl parameters (same as module parameters, different interface).
*/
-static struct ctl_table nlm_sysctls[] = {
+static const struct ctl_table nlm_sysctls[] = {
{
.procname = "nlm_grace_period",
.data = &nlm_grace_period,
@@ -469,9 +467,10 @@ static struct ctl_table nlm_sysctls[] = {
{
.procname = "nsm_local_state",
.data = &nsm_local_state,
- .maxlen = sizeof(int),
+ .maxlen = sizeof(nsm_local_state),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_douintvec,
+ .extra1 = SYSCTL_ZERO,
},
};
@@ -545,7 +544,6 @@ module_param_call(nlm_udpport, param_set_port, param_get_int,
module_param_call(nlm_tcpport, param_set_port, param_get_int,
&nlm_tcpport, 0644);
module_param(nsm_use_hostnames, bool, 0644);
-module_param(nlm_max_connections, uint, 0644);
static int lockd_init_net(struct net *net)
{
@@ -599,6 +597,10 @@ static int __init init_nlm(void)
if (err)
goto err_pernet;
+ err = genl_register_family(&lockd_nl_family);
+ if (err)
+ goto err_netlink;
+
err = lockd_create_procfs();
if (err)
goto err_procfs;
@@ -606,6 +608,8 @@ static int __init init_nlm(void)
return 0;
err_procfs:
+ genl_unregister_family(&lockd_nl_family);
+err_netlink:
unregister_pernet_subsys(&lockd_net_ops);
err_pernet:
#ifdef CONFIG_SYSCTL
@@ -619,6 +623,7 @@ static void __exit exit_nlm(void)
{
/* FIXME: delete all NLM clients */
nlm_shutdown_hosts();
+ genl_unregister_family(&lockd_nl_family);
lockd_remove_procfs();
unregister_pernet_subsys(&lockd_net_ops);
#ifdef CONFIG_SYSCTL
@@ -710,8 +715,6 @@ static const struct svc_version *nlmsvc_version[] = {
#endif
};
-static struct svc_stat nlmsvc_stats;
-
#define NLM_NRVERS ARRAY_SIZE(nlmsvc_version)
static struct svc_program nlmsvc_program = {
.pg_prog = NLM_PROGRAM, /* program number */
@@ -719,8 +722,98 @@ static struct svc_program nlmsvc_program = {
.pg_vers = nlmsvc_version, /* version table */
.pg_name = "lockd", /* service name */
.pg_class = "nfsd", /* share authentication with nfsd */
- .pg_stats = &nlmsvc_stats, /* stats table */
.pg_authenticate = &lockd_authenticate, /* export authentication */
.pg_init_request = svc_generic_init_request,
.pg_rpcbind_set = svc_generic_rpcbind_set,
};
+
+/**
+ * lockd_nl_server_set_doit - set the lockd server parameters via netlink
+ * @skb: reply buffer
+ * @info: netlink metadata and command arguments
+ *
+ * This updates the per-net values. When updating the values in the init_net
+ * namespace, also update the "legacy" global values.
+ *
+ * Return 0 on success or a negative errno.
+ */
+int lockd_nl_server_set_doit(struct sk_buff *skb, struct genl_info *info)
+{
+ struct net *net = genl_info_net(info);
+ struct lockd_net *ln = net_generic(net, lockd_net_id);
+ const struct nlattr *attr;
+
+ if (GENL_REQ_ATTR_CHECK(info, LOCKD_A_SERVER_GRACETIME))
+ return -EINVAL;
+
+ if (info->attrs[LOCKD_A_SERVER_GRACETIME] ||
+ info->attrs[LOCKD_A_SERVER_TCP_PORT] ||
+ info->attrs[LOCKD_A_SERVER_UDP_PORT]) {
+ attr = info->attrs[LOCKD_A_SERVER_GRACETIME];
+ if (attr) {
+ u32 gracetime = nla_get_u32(attr);
+
+ if (gracetime > nlm_grace_period_max)
+ return -EINVAL;
+
+ ln->gracetime = gracetime;
+
+ if (net == &init_net)
+ nlm_grace_period = gracetime;
+ }
+
+ attr = info->attrs[LOCKD_A_SERVER_TCP_PORT];
+ if (attr) {
+ ln->tcp_port = nla_get_u16(attr);
+ if (net == &init_net)
+ nlm_tcpport = ln->tcp_port;
+ }
+
+ attr = info->attrs[LOCKD_A_SERVER_UDP_PORT];
+ if (attr) {
+ ln->udp_port = nla_get_u16(attr);
+ if (net == &init_net)
+ nlm_udpport = ln->udp_port;
+ }
+ }
+ return 0;
+}
+
+/**
+ * lockd_nl_server_get_doit - get lockd server parameters via netlink
+ * @skb: reply buffer
+ * @info: netlink metadata and command arguments
+ *
+ * Return 0 on success or a negative errno.
+ */
+int lockd_nl_server_get_doit(struct sk_buff *skb, struct genl_info *info)
+{
+ struct net *net = genl_info_net(info);
+ struct lockd_net *ln = net_generic(net, lockd_net_id);
+ void *hdr;
+ int err;
+
+ skb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!skb)
+ return -ENOMEM;
+
+ hdr = genlmsg_iput(skb, info);
+ if (!hdr) {
+ err = -EMSGSIZE;
+ goto err_free_msg;
+ }
+
+ err = nla_put_u32(skb, LOCKD_A_SERVER_GRACETIME, ln->gracetime) ||
+ nla_put_u16(skb, LOCKD_A_SERVER_TCP_PORT, ln->tcp_port) ||
+ nla_put_u16(skb, LOCKD_A_SERVER_UDP_PORT, ln->udp_port);
+ if (err)
+ goto err_free_msg;
+
+ genlmsg_end(skb, hdr);
+
+ return genlmsg_reply(skb, info);
+err_free_msg:
+ nlmsg_free(skb);
+
+ return err;
+}
diff --git a/fs/lockd/svc4proc.c b/fs/lockd/svc4proc.c
index b72023a6b4c1..109e5caae8c7 100644
--- a/fs/lockd/svc4proc.c
+++ b/fs/lockd/svc4proc.c
@@ -46,22 +46,23 @@ nlm4svc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
if (filp != NULL) {
int mode = lock_to_openmode(&lock->fl);
+ lock->fl.c.flc_flags = FL_POSIX;
+
error = nlm_lookup_file(rqstp, &file, lock);
if (error)
goto no_locks;
*filp = file;
/* Set up the missing parts of the file_lock structure */
- lock->fl.fl_flags = FL_POSIX;
- lock->fl.fl_file = file->f_file[mode];
- lock->fl.fl_pid = current->tgid;
+ lock->fl.c.flc_file = file->f_file[mode];
+ lock->fl.c.flc_pid = current->tgid;
lock->fl.fl_start = (loff_t)lock->lock_start;
lock->fl.fl_end = lock->lock_len ?
(loff_t)(lock->lock_start + lock->lock_len - 1) :
OFFSET_MAX;
lock->fl.fl_lmops = &nlmsvc_lock_operations;
nlmsvc_locks_init_private(&lock->fl, host, (pid_t)lock->svid);
- if (!lock->fl.fl_owner) {
+ if (!lock->fl.c.flc_owner) {
/* lockowner allocation has failed */
nlmsvc_release_host(host);
return nlm_lck_denied_nolocks;
@@ -106,9 +107,10 @@ __nlm4svc_proc_test(struct svc_rqst *rqstp, struct nlm_res *resp)
if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
- test_owner = argp->lock.fl.fl_owner;
+ test_owner = argp->lock.fl.c.flc_owner;
/* Now check for conflicting locks */
- resp->status = nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie);
+ resp->status = nlmsvc_testlock(rqstp, file, host, &argp->lock,
+ &resp->lock);
if (resp->status == nlm_drop_reply)
rc = rpc_drop_reply;
else
@@ -142,18 +144,6 @@ __nlm4svc_proc_lock(struct svc_rqst *rqstp, struct nlm_res *resp)
if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file)))
return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
-#if 0
- /* If supplied state doesn't match current state, we assume it's
- * an old request that time-warped somehow. Any error return would
- * do in this case because it's irrelevant anyway.
- *
- * NB: We don't retrieve the remote host's state yet.
- */
- if (host->h_nsmstate && host->h_nsmstate != argp->state) {
- resp->status = nlm_lck_denied_nolocks;
- } else
-#endif
-
/* Now try to lock the file */
resp->status = nlmsvc_lock(rqstp, file, host, &argp->lock,
argp->block, &argp->cookie,
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index 2dc10900ad1c..c1315df4b350 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -30,7 +30,6 @@
#include <linux/sunrpc/svc_xprt.h>
#include <linux/lockd/nlm.h>
#include <linux/lockd/lockd.h>
-#include <linux/exportfs.h>
#define NLMDBG_FACILITY NLMDBG_SVCLOCK
@@ -150,16 +149,17 @@ nlmsvc_lookup_block(struct nlm_file *file, struct nlm_lock *lock)
struct file_lock *fl;
dprintk("lockd: nlmsvc_lookup_block f=%p pd=%d %Ld-%Ld ty=%d\n",
- file, lock->fl.fl_pid,
+ file, lock->fl.c.flc_pid,
(long long)lock->fl.fl_start,
- (long long)lock->fl.fl_end, lock->fl.fl_type);
+ (long long)lock->fl.fl_end,
+ lock->fl.c.flc_type);
spin_lock(&nlm_blocked_lock);
list_for_each_entry(block, &nlm_blocked, b_list) {
fl = &block->b_call->a_args.lock.fl;
dprintk("lockd: check f=%p pd=%d %Ld-%Ld ty=%d cookie=%s\n",
- block->b_file, fl->fl_pid,
+ block->b_file, fl->c.flc_pid,
(long long)fl->fl_start,
- (long long)fl->fl_end, fl->fl_type,
+ (long long)fl->fl_end, fl->c.flc_type,
nlmdbg_cookie2a(&block->b_call->a_args.cookie));
if (block->b_file == file && nlm_compare_locks(fl, &lock->fl)) {
kref_get(&block->b_count);
@@ -244,7 +244,7 @@ nlmsvc_create_block(struct svc_rqst *rqstp, struct nlm_host *host,
goto failed_free;
/* Set notifier function for VFS, and init args */
- call->a_args.lock.fl.fl_flags |= FL_SLEEP;
+ call->a_args.lock.fl.c.flc_flags |= FL_SLEEP;
call->a_args.lock.fl.fl_lmops = &nlmsvc_lock_operations;
nlmclnt_next_cookie(&call->a_args.cookie);
@@ -402,14 +402,14 @@ static struct nlm_lockowner *nlmsvc_find_lockowner(struct nlm_host *host, pid_t
void
nlmsvc_release_lockowner(struct nlm_lock *lock)
{
- if (lock->fl.fl_owner)
- nlmsvc_put_lockowner(lock->fl.fl_owner);
+ if (lock->fl.c.flc_owner)
+ nlmsvc_put_lockowner(lock->fl.c.flc_owner);
}
void nlmsvc_locks_init_private(struct file_lock *fl, struct nlm_host *host,
pid_t pid)
{
- fl->fl_owner = nlmsvc_find_lockowner(host, pid);
+ fl->c.flc_owner = nlmsvc_find_lockowner(host, pid);
}
/*
@@ -425,7 +425,7 @@ static int nlmsvc_setgrantargs(struct nlm_rqst *call, struct nlm_lock *lock)
/* set default data area */
call->a_args.lock.oh.data = call->a_owner;
- call->a_args.lock.svid = ((struct nlm_lockowner *)lock->fl.fl_owner)->pid;
+ call->a_args.lock.svid = ((struct nlm_lockowner *) lock->fl.c.flc_owner)->pid;
if (lock->oh.len > NLMCLNT_OHSIZE) {
void *data = kmalloc(lock->oh.len, GFP_KERNEL);
@@ -480,7 +480,7 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
struct nlm_host *host, struct nlm_lock *lock, int wait,
struct nlm_cookie *cookie, int reclaim)
{
- struct inode *inode = nlmsvc_file_inode(file);
+ struct inode *inode __maybe_unused = nlmsvc_file_inode(file);
struct nlm_block *block = NULL;
int error;
int mode;
@@ -489,12 +489,13 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
dprintk("lockd: nlmsvc_lock(%s/%ld, ty=%d, pi=%d, %Ld-%Ld, bl=%d)\n",
inode->i_sb->s_id, inode->i_ino,
- lock->fl.fl_type, lock->fl.fl_pid,
+ lock->fl.c.flc_type,
+ lock->fl.c.flc_pid,
(long long)lock->fl.fl_start,
(long long)lock->fl.fl_end,
wait);
- if (!exportfs_lock_op_is_async(inode->i_sb->s_export_op)) {
+ if (!locks_can_async_lock(nlmsvc_file_file(file)->f_op)) {
async_block = wait;
wait = 0;
}
@@ -512,7 +513,7 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
goto out;
lock = &block->b_call->a_args.lock;
} else
- lock->fl.fl_flags &= ~FL_SLEEP;
+ lock->fl.c.flc_flags &= ~FL_SLEEP;
if (block->b_flags & B_QUEUED) {
dprintk("lockd: nlmsvc_lock deferred block %p flags %d\n",
@@ -548,7 +549,7 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
* requests on the underlaying ->lock() implementation but
* only one nlm_block to being granted by lm_grant().
*/
- if (exportfs_lock_op_is_async(inode->i_sb->s_export_op) &&
+ if (locks_can_async_lock(nlmsvc_file_file(file)->f_op) &&
!list_empty(&block->b_list)) {
spin_unlock(&nlm_blocked_lock);
ret = nlm_lck_blocked;
@@ -560,10 +561,10 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
spin_unlock(&nlm_blocked_lock);
if (!wait)
- lock->fl.fl_flags &= ~FL_SLEEP;
+ lock->fl.c.flc_flags &= ~FL_SLEEP;
mode = lock_to_openmode(&lock->fl);
error = vfs_lock_file(file->f_file[mode], F_SETLK, &lock->fl, NULL);
- lock->fl.fl_flags &= ~FL_SLEEP;
+ lock->fl.c.flc_flags &= ~FL_SLEEP;
dprintk("lockd: vfs_lock_file returned %d\n", error);
switch (error) {
@@ -607,7 +608,7 @@ out:
__be32
nlmsvc_testlock(struct svc_rqst *rqstp, struct nlm_file *file,
struct nlm_host *host, struct nlm_lock *lock,
- struct nlm_lock *conflock, struct nlm_cookie *cookie)
+ struct nlm_lock *conflock)
{
int error;
int mode;
@@ -616,7 +617,7 @@ nlmsvc_testlock(struct svc_rqst *rqstp, struct nlm_file *file,
dprintk("lockd: nlmsvc_testlock(%s/%ld, ty=%d, %Ld-%Ld)\n",
nlmsvc_file_inode(file)->i_sb->s_id,
nlmsvc_file_inode(file)->i_ino,
- lock->fl.fl_type,
+ lock->fl.c.flc_type,
(long long)lock->fl.fl_start,
(long long)lock->fl.fl_end);
@@ -636,19 +637,19 @@ nlmsvc_testlock(struct svc_rqst *rqstp, struct nlm_file *file,
goto out;
}
- if (lock->fl.fl_type == F_UNLCK) {
+ if (lock->fl.c.flc_type == F_UNLCK) {
ret = nlm_granted;
goto out;
}
dprintk("lockd: conflicting lock(ty=%d, %Ld-%Ld)\n",
- lock->fl.fl_type, (long long)lock->fl.fl_start,
+ lock->fl.c.flc_type, (long long)lock->fl.fl_start,
(long long)lock->fl.fl_end);
conflock->caller = "somehost"; /* FIXME */
conflock->len = strlen(conflock->caller);
conflock->oh.len = 0; /* don't return OH info */
- conflock->svid = lock->fl.fl_pid;
- conflock->fl.fl_type = lock->fl.fl_type;
+ conflock->svid = lock->fl.c.flc_pid;
+ conflock->fl.c.flc_type = lock->fl.c.flc_type;
conflock->fl.fl_start = lock->fl.fl_start;
conflock->fl.fl_end = lock->fl.fl_end;
locks_release_private(&lock->fl);
@@ -673,21 +674,21 @@ nlmsvc_unlock(struct net *net, struct nlm_file *file, struct nlm_lock *lock)
dprintk("lockd: nlmsvc_unlock(%s/%ld, pi=%d, %Ld-%Ld)\n",
nlmsvc_file_inode(file)->i_sb->s_id,
nlmsvc_file_inode(file)->i_ino,
- lock->fl.fl_pid,
+ lock->fl.c.flc_pid,
(long long)lock->fl.fl_start,
(long long)lock->fl.fl_end);
/* First, cancel any lock that might be there */
nlmsvc_cancel_blocked(net, file, lock);
- lock->fl.fl_type = F_UNLCK;
- lock->fl.fl_file = file->f_file[O_RDONLY];
- if (lock->fl.fl_file)
- error = vfs_lock_file(lock->fl.fl_file, F_SETLK,
+ lock->fl.c.flc_type = F_UNLCK;
+ lock->fl.c.flc_file = file->f_file[O_RDONLY];
+ if (lock->fl.c.flc_file)
+ error = vfs_lock_file(lock->fl.c.flc_file, F_SETLK,
&lock->fl, NULL);
- lock->fl.fl_file = file->f_file[O_WRONLY];
- if (lock->fl.fl_file)
- error |= vfs_lock_file(lock->fl.fl_file, F_SETLK,
+ lock->fl.c.flc_file = file->f_file[O_WRONLY];
+ if (lock->fl.c.flc_file)
+ error |= vfs_lock_file(lock->fl.c.flc_file, F_SETLK,
&lock->fl, NULL);
return (error < 0)? nlm_lck_denied_nolocks : nlm_granted;
@@ -710,7 +711,7 @@ nlmsvc_cancel_blocked(struct net *net, struct nlm_file *file, struct nlm_lock *l
dprintk("lockd: nlmsvc_cancel(%s/%ld, pi=%d, %Ld-%Ld)\n",
nlmsvc_file_inode(file)->i_sb->s_id,
nlmsvc_file_inode(file)->i_ino,
- lock->fl.fl_pid,
+ lock->fl.c.flc_pid,
(long long)lock->fl.fl_start,
(long long)lock->fl.fl_end);
@@ -863,12 +864,12 @@ nlmsvc_grant_blocked(struct nlm_block *block)
/* vfs_lock_file() can mangle fl_start and fl_end, but we need
* them unchanged for the GRANT_MSG
*/
- lock->fl.fl_flags |= FL_SLEEP;
+ lock->fl.c.flc_flags |= FL_SLEEP;
fl_start = lock->fl.fl_start;
fl_end = lock->fl.fl_end;
mode = lock_to_openmode(&lock->fl);
error = vfs_lock_file(file->f_file[mode], F_SETLK, &lock->fl, NULL);
- lock->fl.fl_flags &= ~FL_SLEEP;
+ lock->fl.c.flc_flags &= ~FL_SLEEP;
lock->fl.fl_start = fl_start;
lock->fl.fl_end = fl_end;
@@ -993,8 +994,8 @@ nlmsvc_grant_reply(struct nlm_cookie *cookie, __be32 status)
/* Client doesn't want it, just unlock it */
nlmsvc_unlink_block(block);
fl = &block->b_call->a_args.lock.fl;
- fl->fl_type = F_UNLCK;
- error = vfs_lock_file(fl->fl_file, F_SETLK, fl, NULL);
+ fl->c.flc_type = F_UNLCK;
+ error = vfs_lock_file(fl->c.flc_file, F_SETLK, fl, NULL);
if (error)
pr_warn("lockd: unable to unlock lock rejected by client!\n");
break;
diff --git a/fs/lockd/svcproc.c b/fs/lockd/svcproc.c
index 32784f508c81..f53d5177f267 100644
--- a/fs/lockd/svcproc.c
+++ b/fs/lockd/svcproc.c
@@ -77,12 +77,12 @@ nlmsvc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
/* Set up the missing parts of the file_lock structure */
mode = lock_to_openmode(&lock->fl);
- lock->fl.fl_flags = FL_POSIX;
- lock->fl.fl_file = file->f_file[mode];
- lock->fl.fl_pid = current->tgid;
+ lock->fl.c.flc_flags = FL_POSIX;
+ lock->fl.c.flc_file = file->f_file[mode];
+ lock->fl.c.flc_pid = current->tgid;
lock->fl.fl_lmops = &nlmsvc_lock_operations;
nlmsvc_locks_init_private(&lock->fl, host, (pid_t)lock->svid);
- if (!lock->fl.fl_owner) {
+ if (!lock->fl.c.flc_owner) {
/* lockowner allocation has failed */
nlmsvc_release_host(host);
return nlm_lck_denied_nolocks;
@@ -127,10 +127,11 @@ __nlmsvc_proc_test(struct svc_rqst *rqstp, struct nlm_res *resp)
if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
- test_owner = argp->lock.fl.fl_owner;
+ test_owner = argp->lock.fl.c.flc_owner;
/* Now check for conflicting locks */
- resp->status = cast_status(nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie));
+ resp->status = cast_status(nlmsvc_testlock(rqstp, file, host,
+ &argp->lock, &resp->lock));
if (resp->status == nlm_drop_reply)
rc = rpc_drop_reply;
else
@@ -165,18 +166,6 @@ __nlmsvc_proc_lock(struct svc_rqst *rqstp, struct nlm_res *resp)
if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
-#if 0
- /* If supplied state doesn't match current state, we assume it's
- * an old request that time-warped somehow. Any error return would
- * do in this case because it's irrelevant anyway.
- *
- * NB: We don't retrieve the remote host's state yet.
- */
- if (host->h_nsmstate && host->h_nsmstate != argp->state) {
- resp->status = nlm_lck_denied_nolocks;
- } else
-#endif
-
/* Now try to lock the file */
resp->status = cast_status(nlmsvc_lock(rqstp, file, host, &argp->lock,
argp->block, &argp->cookie,
diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c
index e3b6229e7ae5..9103896164f6 100644
--- a/fs/lockd/svcsubs.c
+++ b/fs/lockd/svcsubs.c
@@ -73,7 +73,7 @@ static inline unsigned int file_hash(struct nfs_fh *f)
int lock_to_openmode(struct file_lock *lock)
{
- return (lock->fl_type == F_WRLCK) ? O_WRONLY : O_RDONLY;
+ return lock_is_write(lock) ? O_WRONLY : O_RDONLY;
}
/*
@@ -181,18 +181,18 @@ static int nlm_unlock_files(struct nlm_file *file, const struct file_lock *fl)
struct file_lock lock;
locks_init_lock(&lock);
- lock.fl_type = F_UNLCK;
+ lock.c.flc_type = F_UNLCK;
lock.fl_start = 0;
lock.fl_end = OFFSET_MAX;
- lock.fl_owner = fl->fl_owner;
- lock.fl_pid = fl->fl_pid;
- lock.fl_flags = FL_POSIX;
+ lock.c.flc_owner = fl->c.flc_owner;
+ lock.c.flc_pid = fl->c.flc_pid;
+ lock.c.flc_flags = FL_POSIX;
- lock.fl_file = file->f_file[O_RDONLY];
- if (lock.fl_file && vfs_lock_file(lock.fl_file, F_SETLK, &lock, NULL))
+ lock.c.flc_file = file->f_file[O_RDONLY];
+ if (lock.c.flc_file && vfs_lock_file(lock.c.flc_file, F_SETLK, &lock, NULL))
goto out_err;
- lock.fl_file = file->f_file[O_WRONLY];
- if (lock.fl_file && vfs_lock_file(lock.fl_file, F_SETLK, &lock, NULL))
+ lock.c.flc_file = file->f_file[O_WRONLY];
+ if (lock.c.flc_file && vfs_lock_file(lock.c.flc_file, F_SETLK, &lock, NULL))
goto out_err;
return 0;
out_err:
@@ -218,14 +218,14 @@ nlm_traverse_locks(struct nlm_host *host, struct nlm_file *file,
again:
file->f_locks = 0;
spin_lock(&flctx->flc_lock);
- list_for_each_entry(fl, &flctx->flc_posix, fl_list) {
+ for_each_file_lock(fl, &flctx->flc_posix) {
if (fl->fl_lmops != &nlmsvc_lock_operations)
continue;
/* update current lock count */
file->f_locks++;
- lockhost = ((struct nlm_lockowner *)fl->fl_owner)->host;
+ lockhost = ((struct nlm_lockowner *) fl->c.flc_owner)->host;
if (match(lockhost, host)) {
spin_unlock(&flctx->flc_lock);
@@ -272,7 +272,7 @@ nlm_file_inuse(struct nlm_file *file)
if (flctx && !list_empty_careful(&flctx->flc_posix)) {
spin_lock(&flctx->flc_lock);
- list_for_each_entry(fl, &flctx->flc_posix, fl_list) {
+ for_each_file_lock(fl, &flctx->flc_posix) {
if (fl->fl_lmops == &nlmsvc_lock_operations) {
spin_unlock(&flctx->flc_lock);
return 1;
diff --git a/fs/lockd/xdr.c b/fs/lockd/xdr.c
index 2fb5748dae0c..adfcce2bf11b 100644
--- a/fs/lockd/xdr.c
+++ b/fs/lockd/xdr.c
@@ -88,8 +88,8 @@ svcxdr_decode_lock(struct xdr_stream *xdr, struct nlm_lock *lock)
return false;
locks_init_lock(fl);
- fl->fl_flags = FL_POSIX;
- fl->fl_type = F_RDLCK;
+ fl->c.flc_flags = FL_POSIX;
+ fl->c.flc_type = F_RDLCK;
end = start + len - 1;
fl->fl_start = s32_to_loff_t(start);
if (len == 0 || end < 0)
@@ -107,7 +107,7 @@ svcxdr_encode_holder(struct xdr_stream *xdr, const struct nlm_lock *lock)
s32 start, len;
/* exclusive */
- if (xdr_stream_encode_bool(xdr, fl->fl_type != F_RDLCK) < 0)
+ if (xdr_stream_encode_bool(xdr, fl->c.flc_type != F_RDLCK) < 0)
return false;
if (xdr_stream_encode_u32(xdr, lock->svid) < 0)
return false;
@@ -164,7 +164,7 @@ nlmsvc_decode_testargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
if (!svcxdr_decode_lock(xdr, &argp->lock))
return false;
if (exclusive)
- argp->lock.fl.fl_type = F_WRLCK;
+ argp->lock.fl.c.flc_type = F_WRLCK;
return true;
}
@@ -184,7 +184,7 @@ nlmsvc_decode_lockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
if (!svcxdr_decode_lock(xdr, &argp->lock))
return false;
if (exclusive)
- argp->lock.fl.fl_type = F_WRLCK;
+ argp->lock.fl.c.flc_type = F_WRLCK;
if (xdr_stream_decode_bool(xdr, &argp->reclaim) < 0)
return false;
if (xdr_stream_decode_u32(xdr, &argp->state) < 0)
@@ -209,7 +209,7 @@ nlmsvc_decode_cancargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
if (!svcxdr_decode_lock(xdr, &argp->lock))
return false;
if (exclusive)
- argp->lock.fl.fl_type = F_WRLCK;
+ argp->lock.fl.c.flc_type = F_WRLCK;
return true;
}
@@ -223,7 +223,7 @@ nlmsvc_decode_unlockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
return false;
if (!svcxdr_decode_lock(xdr, &argp->lock))
return false;
- argp->lock.fl.fl_type = F_UNLCK;
+ argp->lock.fl.c.flc_type = F_UNLCK;
return true;
}
diff --git a/fs/lockd/xdr4.c b/fs/lockd/xdr4.c
index 5fcbf30cd275..e343c820301f 100644
--- a/fs/lockd/xdr4.c
+++ b/fs/lockd/xdr4.c
@@ -89,8 +89,7 @@ svcxdr_decode_lock(struct xdr_stream *xdr, struct nlm_lock *lock)
return false;
locks_init_lock(fl);
- fl->fl_flags = FL_POSIX;
- fl->fl_type = F_RDLCK;
+ fl->c.flc_type = F_RDLCK;
nlm4svc_set_file_lock_range(fl, lock->lock_start, lock->lock_len);
return true;
}
@@ -102,7 +101,7 @@ svcxdr_encode_holder(struct xdr_stream *xdr, const struct nlm_lock *lock)
s64 start, len;
/* exclusive */
- if (xdr_stream_encode_bool(xdr, fl->fl_type != F_RDLCK) < 0)
+ if (xdr_stream_encode_bool(xdr, fl->c.flc_type != F_RDLCK) < 0)
return false;
if (xdr_stream_encode_u32(xdr, lock->svid) < 0)
return false;
@@ -159,7 +158,7 @@ nlm4svc_decode_testargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
if (!svcxdr_decode_lock(xdr, &argp->lock))
return false;
if (exclusive)
- argp->lock.fl.fl_type = F_WRLCK;
+ argp->lock.fl.c.flc_type = F_WRLCK;
return true;
}
@@ -179,7 +178,7 @@ nlm4svc_decode_lockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
if (!svcxdr_decode_lock(xdr, &argp->lock))
return false;
if (exclusive)
- argp->lock.fl.fl_type = F_WRLCK;
+ argp->lock.fl.c.flc_type = F_WRLCK;
if (xdr_stream_decode_bool(xdr, &argp->reclaim) < 0)
return false;
if (xdr_stream_decode_u32(xdr, &argp->state) < 0)
@@ -204,7 +203,7 @@ nlm4svc_decode_cancargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
if (!svcxdr_decode_lock(xdr, &argp->lock))
return false;
if (exclusive)
- argp->lock.fl.fl_type = F_WRLCK;
+ argp->lock.fl.c.flc_type = F_WRLCK;
return true;
}
@@ -218,7 +217,7 @@ nlm4svc_decode_unlockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
return false;
if (!svcxdr_decode_lock(xdr, &argp->lock))
return false;
- argp->lock.fl.fl_type = F_UNLCK;
+ argp->lock.fl.c.flc_type = F_UNLCK;
return true;
}
@@ -268,7 +267,6 @@ nlm4svc_decode_shareargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
struct nlm_args *argp = rqstp->rq_argp;
struct nlm_lock *lock = &argp->lock;
- memset(lock, 0, sizeof(*lock));
locks_init_lock(&lock->fl);
lock->svid = ~(u32)0;
generated by cgit (git 2.34.1) at 2025-07-28 20:29:22 +0000