diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/aio.h | 70 | ||||
| -rw-r--r-- | include/linux/fs.h | 24 | ||||
| -rw-r--r-- | include/linux/security.h | 7 | ||||
| -rw-r--r-- | include/linux/uio.h | 15 | ||||
| -rw-r--r-- | include/net/sock.h | 1 |
5 files changed, 42 insertions, 75 deletions
diff --git a/include/linux/aio.h b/include/linux/aio.h index d9c92da..9eb42db 100644 --- a/include/linux/aio.h +++ b/include/linux/aio.h @@ -1,86 +1,23 @@ #ifndef __LINUX__AIO_H #define __LINUX__AIO_H -#include <linux/list.h> -#include <linux/workqueue.h> #include <linux/aio_abi.h> -#include <linux/uio.h> -#include <linux/rcupdate.h> - -#include <linux/atomic.h> struct kioctx; struct kiocb; +struct mm_struct; #define KIOCB_KEY 0 -/* - * We use ki_cancel == KIOCB_CANCELLED to indicate that a kiocb has been either - * cancelled or completed (this makes a certain amount of sense because - * successful cancellation - io_cancel() - does deliver the completion to - * userspace). - * - * And since most things don't implement kiocb cancellation and we'd really like - * kiocb completion to be lockless when possible, we use ki_cancel to - * synchronize cancellation and completion - we only set it to KIOCB_CANCELLED - * with xchg() or cmpxchg(), see batch_complete_aio() and kiocb_cancel(). - */ -#define KIOCB_CANCELLED ((void *) (~0ULL)) - typedef int (kiocb_cancel_fn)(struct kiocb *); -struct kiocb { - struct file *ki_filp; - struct kioctx *ki_ctx; /* NULL for sync ops */ - kiocb_cancel_fn *ki_cancel; - void *private; - - union { - void __user *user; - struct task_struct *tsk; - } ki_obj; - - __u64 ki_user_data; /* user's data for completion */ - loff_t ki_pos; - size_t ki_nbytes; /* copy of iocb->aio_nbytes */ - - struct list_head ki_list; /* the aio core uses this - * for cancellation */ - - /* - * If the aio_resfd field of the userspace iocb is not zero, - * this is the underlying eventfd context to deliver events to. - */ - struct eventfd_ctx *ki_eventfd; -}; - -static inline bool is_sync_kiocb(struct kiocb *kiocb) -{ - return kiocb->ki_ctx == NULL; -} - -static inline void init_sync_kiocb(struct kiocb *kiocb, struct file *filp) -{ - *kiocb = (struct kiocb) { - .ki_ctx = NULL, - .ki_filp = filp, - .ki_obj.tsk = current, - }; -} - /* prototypes */ #ifdef CONFIG_AIO -extern ssize_t wait_on_sync_kiocb(struct kiocb *iocb); -extern void aio_complete(struct kiocb *iocb, long res, long res2); -struct mm_struct; extern void exit_aio(struct mm_struct *mm); extern long do_io_submit(aio_context_t ctx_id, long nr, struct iocb __user *__user *iocbpp, bool compat); void kiocb_set_cancel_fn(struct kiocb *req, kiocb_cancel_fn *cancel); #else -static inline ssize_t wait_on_sync_kiocb(struct kiocb *iocb) { return 0; } -static inline void aio_complete(struct kiocb *iocb, long res, long res2) { } -struct mm_struct; static inline void exit_aio(struct mm_struct *mm) { } static inline long do_io_submit(aio_context_t ctx_id, long nr, struct iocb __user * __user *iocbpp, @@ -89,11 +26,6 @@ static inline void kiocb_set_cancel_fn(struct kiocb *req, kiocb_cancel_fn *cancel) { } #endif /* CONFIG_AIO */ -static inline struct kiocb *list_kiocb(struct list_head *h) -{ - return list_entry(h, struct kiocb, ki_list); -} - /* for sysctl: */ extern unsigned long aio_nr; extern unsigned long aio_max_nr; diff --git a/include/linux/fs.h b/include/linux/fs.h index 52cc449..d502e54 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -314,6 +314,28 @@ struct page; struct address_space; struct writeback_control; +#define IOCB_EVENTFD (1 << 0) + +struct kiocb { + struct file *ki_filp; + loff_t ki_pos; + void (*ki_complete)(struct kiocb *iocb, long ret, long ret2); + void *private; + int ki_flags; +}; + +static inline bool is_sync_kiocb(struct kiocb *kiocb) +{ + return kiocb->ki_complete == NULL; +} + +static inline void init_sync_kiocb(struct kiocb *kiocb, struct file *filp) +{ + *kiocb = (struct kiocb) { + .ki_filp = filp, + }; +} + /* * "descriptor" for what we're up to with a read. * This allows us to use the same read code yet @@ -2145,7 +2167,7 @@ struct filename { const __user char *uptr; /* original userland pointer */ struct audit_names *aname; int refcnt; - bool separate; /* should "name" be freed? */ + const char iname[]; }; extern long vfs_truncate(struct path *, loff_t); diff --git a/include/linux/security.h b/include/linux/security.h index a1b7dbd..4e14e3d 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -1556,7 +1556,7 @@ struct security_operations { int (*inode_follow_link) (struct dentry *dentry, struct nameidata *nd); int (*inode_permission) (struct inode *inode, int mask); int (*inode_setattr) (struct dentry *dentry, struct iattr *attr); - int (*inode_getattr) (struct vfsmount *mnt, struct dentry *dentry); + int (*inode_getattr) (const struct path *path); int (*inode_setxattr) (struct dentry *dentry, const char *name, const void *value, size_t size, int flags); void (*inode_post_setxattr) (struct dentry *dentry, const char *name, @@ -1843,7 +1843,7 @@ int security_inode_readlink(struct dentry *dentry); int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd); int security_inode_permission(struct inode *inode, int mask); int security_inode_setattr(struct dentry *dentry, struct iattr *attr); -int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry); +int security_inode_getattr(const struct path *path); int security_inode_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); void security_inode_post_setxattr(struct dentry *dentry, const char *name, @@ -2259,8 +2259,7 @@ static inline int security_inode_setattr(struct dentry *dentry, return 0; } -static inline int security_inode_getattr(struct vfsmount *mnt, - struct dentry *dentry) +static inline int security_inode_getattr(const struct path *path) { return 0; } diff --git a/include/linux/uio.h b/include/linux/uio.h index 7188029..15f11fb 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -76,6 +76,7 @@ size_t iov_iter_copy_from_user_atomic(struct page *page, struct iov_iter *i, unsigned long offset, size_t bytes); void iov_iter_advance(struct iov_iter *i, size_t bytes); int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes); +int iov_iter_fault_in_multipages_readable(struct iov_iter *i, size_t bytes); size_t iov_iter_single_seg_count(const struct iov_iter *i); size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes, struct iov_iter *i); @@ -139,4 +140,18 @@ static inline void iov_iter_reexpand(struct iov_iter *i, size_t count) size_t csum_and_copy_to_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i); size_t csum_and_copy_from_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i); +int import_iovec(int type, const struct iovec __user * uvector, + unsigned nr_segs, unsigned fast_segs, + struct iovec **iov, struct iov_iter *i); + +#ifdef CONFIG_COMPAT +struct compat_iovec; +int compat_import_iovec(int type, const struct compat_iovec __user * uvector, + unsigned nr_segs, unsigned fast_segs, + struct iovec **iov, struct iov_iter *i); +#endif + +int import_single_range(int type, void __user *buf, size_t len, + struct iovec *iov, struct iov_iter *i); + #endif diff --git a/include/net/sock.h b/include/net/sock.h index e4079c2..81c81ea 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -57,7 +57,6 @@ #include <linux/page_counter.h> #include <linux/memcontrol.h> #include <linux/static_key.h> -#include <linux/aio.h> #include <linux/sched.h> #include <linux/filter.h> |
