54 loff_t vfs_setpos(struct file *file, loff_t offset, loff_t maxsize)  in vfs_setpos()
85 loff_t
86 generic_file_llseek_size(struct file *file, loff_t offset, int whence,  in generic_file_llseek_size()
87 		loff_t maxsize, loff_t eof)  in generic_file_llseek_size()
144 loff_t generic_file_llseek(struct file *file, loff_t offset, int whence)  in generic_file_llseek()
162 loff_t fixed_size_llseek(struct file *file, loff_t offset, int whence, loff_t size)  in fixed_size_llseek()
181 loff_t no_seek_end_llseek(struct file *file, loff_t offset, int whence)  in no_seek_end_llseek()
201 loff_t no_seek_end_llseek_size(struct file *file, loff_t offset, int whence, loff_t size)  in no_seek_end_llseek_size()
224 loff_t noop_llseek(struct file *file, loff_t offset, int whence)  in noop_llseek()
230 loff_t no_llseek(struct file *file, loff_t offset, int whence)  in no_llseek()
236 loff_t default_llseek(struct file *file, loff_t offset, int whence)  in default_llseek()
239 	loff_t retval;  in default_llseek()
291 loff_t vfs_llseek(struct file *file, loff_t offset, int whence)  in vfs_llseek()
293 	loff_t (*fn)(struct file *, loff_t, int);  in vfs_llseek()
313 		loff_t res = vfs_llseek(f.file, offset, whence);  in ksys_lseek()
315 		if (res != (loff_t)retval)  in ksys_lseek()
336 		unsigned long, offset_low, loff_t __user *, result,  in SYSCALL_DEFINE5()
341 	loff_t offset;  in SYSCALL_DEFINE5()
350 	offset = vfs_llseek(f.file, ((loff_t) offset_high << 32) | offset_low,  in SYSCALL_DEFINE5()
365 int rw_verify_area(int read_write, struct file *file, const loff_t *ppos, size_t count)  in rw_verify_area()
379 		loff_t pos = *ppos;  in rw_verify_area()
386 		} else if (unlikely((loff_t) (pos + count) < 0)) {  in rw_verify_area()
403 static ssize_t new_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos)  in new_sync_read()
422 		   loff_t *pos)  in __vfs_read()
432 ssize_t kernel_read(struct file *file, void *buf, size_t count, loff_t *pos)  in kernel_read()
446 ssize_t vfs_read(struct file *file, char __user *buf, size_t count, loff_t *pos)  in vfs_read()
472 static ssize_t new_sync_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos)  in new_sync_write()
491 			   size_t count, loff_t *pos)  in __vfs_write()
501 ssize_t __kernel_write(struct file *file, const void *buf, size_t count, loff_t *pos)  in __kernel_write()
527 			    loff_t *pos)  in kernel_write()
542 ssize_t vfs_write(struct file *file, const char __user *buf, size_t count, loff_t *pos)  in vfs_write()
571 static inline loff_t *file_ppos(struct file *file)  in file_ppos()
582 		loff_t pos, *ppos = file_ppos(f.file);  in ksys_read()
606 		loff_t pos, *ppos = file_ppos(f.file);  in ksys_write()
627 		     loff_t pos)  in ksys_pread64()
647 			size_t, count, loff_t, pos)  in SYSCALL_DEFINE4()  argument
653 		      size_t count, loff_t pos)  in ksys_pwrite64()
673 			 size_t, count, loff_t, pos)  in SYSCALL_DEFINE4()  argument
679 		loff_t *ppos, int type, rwf_t flags)  in do_iter_readv_writev()
702 		loff_t *ppos, int type, rwf_t flags)  in do_loop_readv_writev()
915 		loff_t *pos, rwf_t flags)  in do_iter_read()
942 ssize_t vfs_iter_read(struct file *file, struct iov_iter *iter, loff_t *ppos,  in vfs_iter_read()
952 		loff_t *pos, rwf_t flags)  in do_iter_write()
978 ssize_t vfs_iter_write(struct file *file, struct iov_iter *iter, loff_t *ppos,  in vfs_iter_write()
988 		  unsigned long vlen, loff_t *pos, rwf_t flags)  in vfs_readv()
1005 		   unsigned long vlen, loff_t *pos, rwf_t flags)  in vfs_writev()
1029 		loff_t pos, *ppos = file_ppos(f.file);  in do_readv()
1053 		loff_t pos, *ppos = file_ppos(f.file);  in do_writev()
1070 static inline loff_t pos_from_hilo(unsigned long high, unsigned long low)  in pos_from_hilo()
1073 	return (((loff_t)high << HALF_LONG_BITS) << HALF_LONG_BITS) | low;  in pos_from_hilo()
1077 			 unsigned long vlen, loff_t pos, rwf_t flags)  in do_preadv()
1100 			  unsigned long vlen, loff_t pos, rwf_t flags)  in do_pwritev()
1137 	loff_t pos = pos_from_hilo(pos_h, pos_l);  in SYSCALL_DEFINE5()
1146 	loff_t pos = pos_from_hilo(pos_h, pos_l);  in SYSCALL_DEFINE6()
1157 	loff_t pos = pos_from_hilo(pos_h, pos_l);  in SYSCALL_DEFINE5()
1166 	loff_t pos = pos_from_hilo(pos_h, pos_l);  in SYSCALL_DEFINE6()
1177 			   unsigned long vlen, loff_t *pos, rwf_t flags)  in compat_readv()
1201 	loff_t pos;  in do_compat_readv()
1223 				  unsigned long vlen, loff_t pos, rwf_t flags)  in do_compat_preadv64()
1243 		unsigned long, vlen, loff_t, pos)  in COMPAT_SYSCALL_DEFINE4()  argument
1253 	loff_t pos = ((loff_t)pos_high << 32) | pos_low;  in COMPAT_SYSCALL_DEFINE5()
1261 		unsigned long, vlen, loff_t, pos, rwf_t, flags)  in COMPAT_SYSCALL_DEFINE5()  argument
1275 	loff_t pos = ((loff_t)pos_high << 32) | pos_low;  in COMPAT_SYSCALL_DEFINE6()
1285 			    unsigned long vlen, loff_t *pos, rwf_t flags)  in compat_writev()
1311 	loff_t pos;  in do_compat_writev()
1332 				   unsigned long vlen, loff_t pos, rwf_t flags)  in do_compat_pwritev64()
1352 		unsigned long, vlen, loff_t, pos)  in COMPAT_SYSCALL_DEFINE4()  argument
1362 	loff_t pos = ((loff_t)pos_high << 32) | pos_low;  in COMPAT_SYSCALL_DEFINE5()
1370 		unsigned long, vlen, loff_t, pos, rwf_t, flags)  in COMPAT_SYSCALL_DEFINE5()  argument
1383 	loff_t pos = ((loff_t)pos_high << 32) | pos_low;  in COMPAT_SYSCALL_DEFINE6()
1393 static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,  in do_sendfile()
1394 		  	   size_t count, loff_t max)  in do_sendfile()
1398 	loff_t pos;  in do_sendfile()
1399 	loff_t out_pos;  in do_sendfile()
1494 	loff_t pos;  in SYSCALL_DEFINE4()
1511 SYSCALL_DEFINE4(sendfile64, int, out_fd, int, in_fd, loff_t __user *, offset, size_t, count)  in SYSCALL_DEFINE4()
1513 	loff_t pos;  in SYSCALL_DEFINE4()
1517 		if (unlikely(copy_from_user(&pos, offset, sizeof(loff_t))))  in SYSCALL_DEFINE4()
1532 	loff_t pos;  in COMPAT_SYSCALL_DEFINE4()
1552 	loff_t pos;  in COMPAT_SYSCALL_DEFINE4()
1556 		if (unlikely(copy_from_user(&pos, offset, sizeof(loff_t))))  in COMPAT_SYSCALL_DEFINE4()
1589 ssize_t generic_copy_file_range(struct file *file_in, loff_t pos_in,  in generic_copy_file_range()
1590 				struct file *file_out, loff_t pos_out,  in generic_copy_file_range()
1598 static ssize_t do_copy_file_range(struct file *file_in, loff_t pos_in,  in do_copy_file_range()
1599 				  struct file *file_out, loff_t pos_out,  in do_copy_file_range()
1625 ssize_t vfs_copy_file_range(struct file *file_in, loff_t pos_in,  in vfs_copy_file_range()
1626 			    struct file *file_out, loff_t pos_out,  in vfs_copy_file_range()
1658 		loff_t cloned;  in vfs_copy_file_range()
1662 				min_t(loff_t, MAX_RW_COUNT, len),  in vfs_copy_file_range()
1690 SYSCALL_DEFINE6(copy_file_range, int, fd_in, loff_t __user *, off_in,  in SYSCALL_DEFINE6()
1691 		int, fd_out, loff_t __user *, off_out,  in SYSCALL_DEFINE6()
1694 	loff_t pos_in;  in SYSCALL_DEFINE6()
1695 	loff_t pos_out;  in SYSCALL_DEFINE6()
1710 		if (copy_from_user(&pos_in, off_in, sizeof(loff_t)))  in SYSCALL_DEFINE6()
1717 		if (copy_from_user(&pos_out, off_out, sizeof(loff_t)))  in SYSCALL_DEFINE6()
1730 			if (copy_to_user(off_in, &pos_in, sizeof(loff_t)))  in SYSCALL_DEFINE6()
1737 			if (copy_to_user(off_out, &pos_out, sizeof(loff_t)))  in SYSCALL_DEFINE6()
1752 static int remap_verify_area(struct file *file, loff_t pos, loff_t len,  in remap_verify_area()
1760 	 if (unlikely((loff_t) (pos + len) < 0))  in remap_verify_area()
1764 		loff_t end = len ? pos + len - 1 : OFFSET_MAX;  in remap_verify_area()
1789 				   loff_t pos_out,  in generic_remap_check_len()
1790 				   loff_t *len,  in generic_remap_check_len()
1794 	loff_t new_len = *len;  in generic_remap_check_len()
1815 static struct page *vfs_dedupe_get_page(struct inode *inode, loff_t offset)  in vfs_dedupe_get_page()
1856 static int vfs_dedupe_file_range_compare(struct inode *src, loff_t srcoff,  in vfs_dedupe_file_range_compare()
1857 					 struct inode *dest, loff_t destoff,  in vfs_dedupe_file_range_compare()
1858 					 loff_t len, bool *is_same)  in vfs_dedupe_file_range_compare()
1860 	loff_t src_poff;  in vfs_dedupe_file_range_compare()
1861 	loff_t dest_poff;  in vfs_dedupe_file_range_compare()
1866 	loff_t cmp_len;  in vfs_dedupe_file_range_compare()
1946 int generic_remap_file_range_prep(struct file *file_in, loff_t pos_in,  in generic_remap_file_range_prep()
1947 				  struct file *file_out, loff_t pos_out,  in generic_remap_file_range_prep()
1948 				  loff_t *len, unsigned int remap_flags)  in generic_remap_file_range_prep()
1970 		loff_t isize = i_size_read(inode_in);  in generic_remap_file_range_prep()
2029 loff_t do_clone_file_range(struct file *file_in, loff_t pos_in,  in do_clone_file_range()
2030 			   struct file *file_out, loff_t pos_out,  in do_clone_file_range()
2031 			   loff_t len, unsigned int remap_flags)  in do_clone_file_range()
2033 	loff_t ret;  in do_clone_file_range()
2071 loff_t vfs_clone_file_range(struct file *file_in, loff_t pos_in,  in vfs_clone_file_range()
2072 			    struct file *file_out, loff_t pos_out,  in vfs_clone_file_range()
2073 			    loff_t len, unsigned int remap_flags)  in vfs_clone_file_range()
2075 	loff_t ret;  in vfs_clone_file_range()
2100 loff_t vfs_dedupe_file_range_one(struct file *src_file, loff_t src_pos,  in vfs_dedupe_file_range_one()
2101 				 struct file *dst_file, loff_t dst_pos,  in vfs_dedupe_file_range_one()
2102 				 loff_t len, unsigned int remap_flags)  in vfs_dedupe_file_range_one()
2104 	loff_t ret;  in vfs_dedupe_file_range_one()
2156 	loff_t deduped;  in vfs_dedupe_file_range()