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-rw-r--r--include/linux/closure.h35
-rw-r--r--include/linux/fs.h7
-rw-r--r--include/linux/fsl/enetc_mdio.h3
-rw-r--r--include/linux/nfs_fs_sb.h1
-rw-r--r--include/linux/nfslocalio.h15
-rw-r--r--include/linux/sched.h4
-rw-r--r--include/linux/sched/mm.h17
-rw-r--r--include/linux/security.h4
-rw-r--r--include/net/genetlink.h3
-rw-r--r--include/net/mctp.h2
-rw-r--r--include/net/rtnetlink.h17
-rw-r--r--include/net/sch_generic.h1
-rw-r--r--include/net/sock.h2
13 files changed, 88 insertions, 23 deletions
diff --git a/include/linux/closure.h b/include/linux/closure.h
index 2af44427107d..880fe85e35e9 100644
--- a/include/linux/closure.h
+++ b/include/linux/closure.h
@@ -454,4 +454,39 @@ do { \
__closure_wait_event(waitlist, _cond); \
} while (0)
+#define __closure_wait_event_timeout(waitlist, _cond, _until) \
+({ \
+ struct closure cl; \
+ long _t; \
+ \
+ closure_init_stack(&cl); \
+ \
+ while (1) { \
+ closure_wait(waitlist, &cl); \
+ if (_cond) { \
+ _t = max_t(long, 1L, _until - jiffies); \
+ break; \
+ } \
+ _t = max_t(long, 0L, _until - jiffies); \
+ if (!_t) \
+ break; \
+ closure_sync_timeout(&cl, _t); \
+ } \
+ closure_wake_up(waitlist); \
+ closure_sync(&cl); \
+ _t; \
+})
+
+/*
+ * Returns 0 if timeout expired, remaining time in jiffies (at least 1) if
+ * condition became true
+ */
+#define closure_wait_event_timeout(waitlist, _cond, _timeout) \
+({ \
+ unsigned long _until = jiffies + _timeout; \
+ (_cond) \
+ ? max_t(long, 1L, _until - jiffies) \
+ : __closure_wait_event_timeout(waitlist, _cond, _until);\
+})
+
#endif /* _LINUX_CLOSURE_H */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index e3c603d01337..3559446279c1 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -3082,7 +3082,12 @@ extern loff_t default_llseek(struct file *file, loff_t offset, int whence);
extern loff_t vfs_llseek(struct file *file, loff_t offset, int whence);
-extern int inode_init_always(struct super_block *, struct inode *);
+extern int inode_init_always_gfp(struct super_block *, struct inode *, gfp_t);
+static inline int inode_init_always(struct super_block *sb, struct inode *inode)
+{
+ return inode_init_always_gfp(sb, inode, GFP_NOFS);
+}
+
extern void inode_init_once(struct inode *);
extern void address_space_init_once(struct address_space *mapping);
extern struct inode * igrab(struct inode *);
diff --git a/include/linux/fsl/enetc_mdio.h b/include/linux/fsl/enetc_mdio.h
index df25fffdc0ae..623ccfcbf39c 100644
--- a/include/linux/fsl/enetc_mdio.h
+++ b/include/linux/fsl/enetc_mdio.h
@@ -59,7 +59,8 @@ static inline int enetc_mdio_read_c45(struct mii_bus *bus, int phy_id,
static inline int enetc_mdio_write_c45(struct mii_bus *bus, int phy_id,
int devad, int regnum, u16 value)
{ return -EINVAL; }
-struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs)
+static inline struct enetc_hw *enetc_hw_alloc(struct device *dev,
+ void __iomem *port_regs)
{ return ERR_PTR(-EINVAL); }
#endif
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 853df3fcd4c2..b804346a9741 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -249,6 +249,7 @@ struct nfs_server {
struct list_head layouts;
struct list_head delegations;
struct list_head ss_copies;
+ struct list_head ss_src_copies;
unsigned long delegation_gen;
unsigned long mig_gen;
diff --git a/include/linux/nfslocalio.h b/include/linux/nfslocalio.h
index b353abe00357..b0dd9b1eef4f 100644
--- a/include/linux/nfslocalio.h
+++ b/include/linux/nfslocalio.h
@@ -65,10 +65,25 @@ struct nfsd_file *nfs_open_local_fh(nfs_uuid_t *,
struct rpc_clnt *, const struct cred *,
const struct nfs_fh *, const fmode_t);
+static inline void nfs_to_nfsd_file_put_local(struct nfsd_file *localio)
+{
+ /*
+ * Once reference to nfsd_serv is dropped, NFSD could be
+ * unloaded, so ensure safe return from nfsd_file_put_local()
+ * by always taking RCU.
+ */
+ rcu_read_lock();
+ nfs_to->nfsd_file_put_local(localio);
+ rcu_read_unlock();
+}
+
#else /* CONFIG_NFS_LOCALIO */
static inline void nfsd_localio_ops_init(void)
{
}
+static inline void nfs_to_nfsd_file_put_local(struct nfsd_file *localio)
+{
+}
#endif /* CONFIG_NFS_LOCALIO */
#endif /* __LINUX_NFSLOCALIO_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index e6ee4258169a..449dd64ed9ac 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1681,8 +1681,8 @@ extern struct pid *cad_pid;
* I am cleaning dirty pages from some other bdi. */
#define PF_KTHREAD 0x00200000 /* I am a kernel thread */
#define PF_RANDOMIZE 0x00400000 /* Randomize virtual address space */
-#define PF_MEMALLOC_NORECLAIM 0x00800000 /* All allocation requests will clear __GFP_DIRECT_RECLAIM */
-#define PF_MEMALLOC_NOWARN 0x01000000 /* All allocation requests will inherit __GFP_NOWARN */
+#define PF__HOLE__00800000 0x00800000
+#define PF__HOLE__01000000 0x01000000
#define PF__HOLE__02000000 0x02000000
#define PF_NO_SETAFFINITY 0x04000000 /* Userland is not allowed to meddle with cpus_mask */
#define PF_MCE_EARLY 0x08000000 /* Early kill for mce process policy */
diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
index 07bb8d4181d7..928a626725e6 100644
--- a/include/linux/sched/mm.h
+++ b/include/linux/sched/mm.h
@@ -251,25 +251,16 @@ static inline gfp_t current_gfp_context(gfp_t flags)
{
unsigned int pflags = READ_ONCE(current->flags);
- if (unlikely(pflags & (PF_MEMALLOC_NOIO |
- PF_MEMALLOC_NOFS |
- PF_MEMALLOC_NORECLAIM |
- PF_MEMALLOC_NOWARN |
- PF_MEMALLOC_PIN))) {
+ if (unlikely(pflags & (PF_MEMALLOC_NOIO | PF_MEMALLOC_NOFS | PF_MEMALLOC_PIN))) {
/*
- * Stronger flags before weaker flags:
- * NORECLAIM implies NOIO, which in turn implies NOFS
+ * NOIO implies both NOIO and NOFS and it is a weaker context
+ * so always make sure it makes precedence
*/
- if (pflags & PF_MEMALLOC_NORECLAIM)
- flags &= ~__GFP_DIRECT_RECLAIM;
- else if (pflags & PF_MEMALLOC_NOIO)
+ if (pflags & PF_MEMALLOC_NOIO)
flags &= ~(__GFP_IO | __GFP_FS);
else if (pflags & PF_MEMALLOC_NOFS)
flags &= ~__GFP_FS;
- if (pflags & PF_MEMALLOC_NOWARN)
- flags |= __GFP_NOWARN;
-
if (pflags & PF_MEMALLOC_PIN)
flags &= ~__GFP_MOVABLE;
}
diff --git a/include/linux/security.h b/include/linux/security.h
index b86ec2afc691..2ec8f3014757 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -348,7 +348,7 @@ int security_dentry_create_files_as(struct dentry *dentry, int mode,
struct cred *new);
int security_path_notify(const struct path *path, u64 mask,
unsigned int obj_type);
-int security_inode_alloc(struct inode *inode);
+int security_inode_alloc(struct inode *inode, gfp_t gfp);
void security_inode_free(struct inode *inode);
int security_inode_init_security(struct inode *inode, struct inode *dir,
const struct qstr *qstr,
@@ -789,7 +789,7 @@ static inline int security_path_notify(const struct path *path, u64 mask,
return 0;
}
-static inline int security_inode_alloc(struct inode *inode)
+static inline int security_inode_alloc(struct inode *inode, gfp_t gfp)
{
return 0;
}
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index 9ab49bfeae78..c1d91f1d20f6 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -531,13 +531,12 @@ static inline int genlmsg_multicast(const struct genl_family *family,
* @skb: netlink message as socket buffer
* @portid: own netlink portid to avoid sending to yourself
* @group: offset of multicast group in groups array
- * @flags: allocation flags
*
* This function must hold the RTNL or rcu_read_lock().
*/
int genlmsg_multicast_allns(const struct genl_family *family,
struct sk_buff *skb, u32 portid,
- unsigned int group, gfp_t flags);
+ unsigned int group);
/**
* genlmsg_unicast - unicast a netlink message
diff --git a/include/net/mctp.h b/include/net/mctp.h
index 7b17c52e8ce2..28d59ae94ca3 100644
--- a/include/net/mctp.h
+++ b/include/net/mctp.h
@@ -295,7 +295,7 @@ void mctp_neigh_remove_dev(struct mctp_dev *mdev);
int mctp_routes_init(void);
void mctp_routes_exit(void);
-void mctp_device_init(void);
+int mctp_device_init(void);
void mctp_device_exit(void);
#endif /* __NET_MCTP_H */
diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
index b45d57b5968a..2d3eb7cb4dff 100644
--- a/include/net/rtnetlink.h
+++ b/include/net/rtnetlink.h
@@ -29,6 +29,15 @@ static inline enum rtnl_kinds rtnl_msgtype_kind(int msgtype)
return msgtype & RTNL_KIND_MASK;
}
+struct rtnl_msg_handler {
+ struct module *owner;
+ int protocol;
+ int msgtype;
+ rtnl_doit_func doit;
+ rtnl_dumpit_func dumpit;
+ int flags;
+};
+
void rtnl_register(int protocol, int msgtype,
rtnl_doit_func, rtnl_dumpit_func, unsigned int flags);
int rtnl_register_module(struct module *owner, int protocol, int msgtype,
@@ -36,6 +45,14 @@ int rtnl_register_module(struct module *owner, int protocol, int msgtype,
int rtnl_unregister(int protocol, int msgtype);
void rtnl_unregister_all(int protocol);
+int __rtnl_register_many(const struct rtnl_msg_handler *handlers, int n);
+void __rtnl_unregister_many(const struct rtnl_msg_handler *handlers, int n);
+
+#define rtnl_register_many(handlers) \
+ __rtnl_register_many(handlers, ARRAY_SIZE(handlers))
+#define rtnl_unregister_many(handlers) \
+ __rtnl_unregister_many(handlers, ARRAY_SIZE(handlers))
+
static inline int rtnl_msg_family(const struct nlmsghdr *nlh)
{
if (nlmsg_len(nlh) >= sizeof(struct rtgenmsg))
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 79edd5b5e3c9..5d74fa7e694c 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -848,7 +848,6 @@ static inline void qdisc_calculate_pkt_len(struct sk_buff *skb,
static inline int qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
- qdisc_calculate_pkt_len(skb, sch);
return sch->enqueue(skb, sch, to_free);
}
diff --git a/include/net/sock.h b/include/net/sock.h
index c58ca8dd561b..db29c39e19a7 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -894,6 +894,8 @@ static inline void sk_add_bind_node(struct sock *sk,
hlist_for_each_entry_safe(__sk, tmp, list, sk_node)
#define sk_for_each_bound(__sk, list) \
hlist_for_each_entry(__sk, list, sk_bind_node)
+#define sk_for_each_bound_safe(__sk, tmp, list) \
+ hlist_for_each_entry_safe(__sk, tmp, list, sk_bind_node)
/**
* sk_for_each_entry_offset_rcu - iterate over a list at a given struct offset