annotate RWF_... flags

[AV: added missing annotations in syscalls.h/compat.h]

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

3 files changed, 23 insertions, 9 deletions

diff --git a/include/linux/compat.h b/include/linux/compat.h
index e5d3fbe24f7d..3fc433303d7a 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -365,10 +365,10 @@ asmlinkage ssize_t compat_sys_pwritev(compat_ulong_t fd,
                 compat_ulong_t vlen, u32 pos_low, u32 pos_high);
 asmlinkage ssize_t compat_sys_preadv2(compat_ulong_t fd,
                 const struct compat_iovec __user *vec,
-                compat_ulong_t vlen, u32 pos_low, u32 pos_high, int flags);
+                compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags);
 asmlinkage ssize_t compat_sys_pwritev2(compat_ulong_t fd,
                 const struct compat_iovec __user *vec,
-                compat_ulong_t vlen, u32 pos_low, u32 pos_high, int flags);
+                compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags);
 
 #ifdef __ARCH_WANT_COMPAT_SYS_PREADV64
 asmlinkage long compat_sys_preadv64(unsigned long fd,
@@ -382,6 +382,18 @@ asmlinkage long compat_sys_pwritev64(unsigned long fd,
                 unsigned long vlen, loff_t pos);
 #endif
 
+#ifdef __ARCH_WANT_COMPAT_SYS_PREADV64V2
+asmlinkage long  compat_sys_readv64v2(unsigned long fd,
+                const struct compat_iovec __user *vec,
+                unsigned long vlen, loff_t pos, rwf_t flags);
+#endif
+
+#ifdef __ARCH_WANT_COMPAT_SYS_PWRITEV64V2
+asmlinkage long compat_sys_pwritev64v2(unsigned long fd,
+                const struct compat_iovec __user *vec,
+                unsigned long vlen, loff_t pos, rwf_t flags);
+#endif
+
 asmlinkage long compat_sys_lseek(unsigned int, compat_off_t, unsigned int);
 
 asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv,
diff --git a/include/linux/fs.h b/include/linux/fs.h
index cbfe127bccf8..2625fc47c7e5 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -72,6 +72,8 @@ extern int leases_enable, lease_break_time;
 extern int sysctl_protected_symlinks;
 extern int sysctl_protected_hardlinks;
 
+typedef __kernel_rwf_t rwf_t;
+
 struct buffer_head;
 typedef int (get_block_t)(struct inode *inode, sector_t iblock,
                         struct buffer_head *bh_result, int create);
@@ -1758,9 +1760,9 @@ extern ssize_t __vfs_write(struct file *, const char __user *, size_t, loff_t *)
 extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *);
 extern ssize_t vfs_write(struct file *, const char __user *, size_t, loff_t *);
 extern ssize_t vfs_readv(struct file *, const struct iovec __user *,
-                unsigned long, loff_t *, int);
+                unsigned long, loff_t *, rwf_t);
 extern ssize_t vfs_writev(struct file *, const struct iovec __user *,
-                unsigned long, loff_t *, int);
+                unsigned long, loff_t *, rwf_t);
 extern ssize_t vfs_copy_file_range(struct file *, loff_t , struct file *,
                                    loff_t, size_t, unsigned int);
 extern int vfs_clone_file_prep_inodes(struct inode *inode_in, loff_t pos_in,
@@ -2874,9 +2876,9 @@ extern ssize_t generic_file_direct_write(struct kiocb *, struct iov_iter *);
 extern ssize_t generic_perform_write(struct file *, struct iov_iter *, loff_t);
 
 ssize_t vfs_iter_read(struct file *file, struct iov_iter *iter, loff_t *ppos,
-                int flags);
+                rwf_t flags);
 ssize_t vfs_iter_write(struct file *file, struct iov_iter *iter, loff_t *ppos,
-                int flags);
+                rwf_t flags);
 
 /* fs/block_dev.c */
 extern ssize_t blkdev_read_iter(struct kiocb *iocb, struct iov_iter *to);
@@ -3143,7 +3145,7 @@ static inline int iocb_flags(struct file *file)
         return res;
 }
 
-static inline int kiocb_set_rw_flags(struct kiocb *ki, int flags)
+static inline int kiocb_set_rw_flags(struct kiocb *ki, rwf_t flags)
 {
         if (unlikely(flags & ~RWF_SUPPORTED))
                 return -EOPNOTSUPP;
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 0bc1d2e8cc17..138c94535864 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -579,12 +579,12 @@ asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec,
                            unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
 asmlinkage long sys_preadv2(unsigned long fd, const struct iovec __user *vec,
                             unsigned long vlen, unsigned long pos_l, unsigned long pos_h,
-                            int flags);
+                            rwf_t flags);
 asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec,
                             unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
 asmlinkage long sys_pwritev2(unsigned long fd, const struct iovec __user *vec,
                             unsigned long vlen, unsigned long pos_l, unsigned long pos_h,
-                            int flags);
+                            rwf_t flags);
 asmlinkage long sys_getcwd(char __user *buf, unsigned long size);
 asmlinkage long sys_mkdir(const char __user *pathname, umode_t mode);
 asmlinkage long sys_chdir(const char __user *filename);