diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/aio.h | 2 | ||||
-rw-r--r-- | include/linux/compat.h | 7 | ||||
-rw-r--r-- | include/linux/fs.h | 2 | ||||
-rw-r--r-- | include/linux/net.h | 1 | ||||
-rw-r--r-- | include/linux/poll.h | 14 | ||||
-rw-r--r-- | include/linux/skbuff.h | 3 | ||||
-rw-r--r-- | include/linux/syscalls.h | 6 |
7 files changed, 29 insertions, 6 deletions
diff --git a/include/linux/aio.h b/include/linux/aio.h index 9d8aabecfe2d..b83e68dd006f 100644 --- a/include/linux/aio.h +++ b/include/linux/aio.h @@ -8,8 +8,6 @@ struct kioctx; struct kiocb; struct mm_struct; -#define KIOCB_KEY 0 - typedef int (kiocb_cancel_fn)(struct kiocb *); /* prototypes */ diff --git a/include/linux/compat.h b/include/linux/compat.h index 081281ad5772..ad192057b887 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -330,6 +330,7 @@ extern int put_compat_rusage(const struct rusage *, struct compat_rusage __user *); struct compat_siginfo; +struct __compat_aio_sigset; struct compat_dirent { u32 d_ino; @@ -553,6 +554,12 @@ asmlinkage long compat_sys_io_getevents(compat_aio_context_t ctx_id, compat_long_t nr, struct io_event __user *events, struct compat_timespec __user *timeout); +asmlinkage long compat_sys_io_pgetevents(compat_aio_context_t ctx_id, + compat_long_t min_nr, + compat_long_t nr, + struct io_event __user *events, + struct compat_timespec __user *timeout, + const struct __compat_aio_sigset __user *usig); /* fs/cookies.c */ asmlinkage long compat_sys_lookup_dcookie(u32, u32, char __user *, compat_size_t); diff --git a/include/linux/fs.h b/include/linux/fs.h index 7f86730b67a9..d4c37d371da5 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1711,6 +1711,8 @@ struct file_operations { int (*iterate) (struct file *, struct dir_context *); int (*iterate_shared) (struct file *, struct dir_context *); __poll_t (*poll) (struct file *, struct poll_table_struct *); + struct wait_queue_head * (*get_poll_head)(struct file *, __poll_t); + __poll_t (*poll_mask) (struct file *, __poll_t); long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long); long (*compat_ioctl) (struct file *, unsigned int, unsigned long); int (*mmap) (struct file *, struct vm_area_struct *); diff --git a/include/linux/net.h b/include/linux/net.h index 2248a052061d..3fd9d8c16581 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -147,6 +147,7 @@ struct proto_ops { int (*getname) (struct socket *sock, struct sockaddr *addr, int peer); + __poll_t (*poll_mask) (struct socket *sock, __poll_t events); __poll_t (*poll) (struct file *file, struct socket *sock, struct poll_table_struct *wait); int (*ioctl) (struct socket *sock, unsigned int cmd, diff --git a/include/linux/poll.h b/include/linux/poll.h index f45ebd017eaa..fdf86b4cbc71 100644 --- a/include/linux/poll.h +++ b/include/linux/poll.h @@ -74,6 +74,18 @@ static inline void init_poll_funcptr(poll_table *pt, poll_queue_proc qproc) pt->_key = ~(__poll_t)0; /* all events enabled */ } +static inline bool file_has_poll_mask(struct file *file) +{ + return file->f_op->get_poll_head && file->f_op->poll_mask; +} + +static inline bool file_can_poll(struct file *file) +{ + return file->f_op->poll || file_has_poll_mask(file); +} + +__poll_t vfs_poll(struct file *file, struct poll_table_struct *pt); + struct poll_table_entry { struct file *filp; __poll_t key; @@ -96,8 +108,6 @@ struct poll_wqueues { extern void poll_initwait(struct poll_wqueues *pwq); extern void poll_freewait(struct poll_wqueues *pwq); -extern int poll_schedule_timeout(struct poll_wqueues *pwq, int state, - ktime_t *expires, unsigned long slack); extern u64 select_estimate_accuracy(struct timespec64 *tv); #define MAX_INT64_SECONDS (((s64)(~((u64)0)>>1)/HZ)-1) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 9065477ed255..89198379b39d 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -3250,8 +3250,7 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned flags, int *peeked, int *off, int *err); struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags, int noblock, int *err); -__poll_t datagram_poll(struct file *file, struct socket *sock, - struct poll_table_struct *wait); +__poll_t datagram_poll_mask(struct socket *sock, __poll_t events); int skb_copy_datagram_iter(const struct sk_buff *from, int offset, struct iov_iter *to, int size); static inline int skb_copy_datagram_msg(const struct sk_buff *from, int offset, diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 70fcda1a9049..811172fcb916 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -290,6 +290,12 @@ asmlinkage long sys_io_getevents(aio_context_t ctx_id, long nr, struct io_event __user *events, struct timespec __user *timeout); +asmlinkage long sys_io_pgetevents(aio_context_t ctx_id, + long min_nr, + long nr, + struct io_event __user *events, + struct timespec __user *timeout, + const struct __aio_sigset *sig); /* fs/xattr.c */ asmlinkage long sys_setxattr(const char __user *path, const char __user *name, |