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()
368 	loff_t pos;  in rw_verify_area()
380 	} else if (unlikely((loff_t) (pos + count) < 0)) {  in rw_verify_area()
395 static ssize_t new_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos)  in new_sync_read()
413 		   loff_t *pos)  in __vfs_read()
423 ssize_t kernel_read(struct file *file, void *buf, size_t count, loff_t *pos)  in kernel_read()
437 ssize_t vfs_read(struct file *file, char __user *buf, size_t count, loff_t *pos)  in vfs_read()
463 static ssize_t new_sync_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos)  in new_sync_write()
482 		    loff_t *pos)  in __vfs_write()
492 ssize_t __kernel_write(struct file *file, const void *buf, size_t count, loff_t *pos)  in __kernel_write()
518 			    loff_t *pos)  in kernel_write()
533 ssize_t vfs_write(struct file *file, const char __user *buf, size_t count, loff_t *pos)  in vfs_write()
561 static inline loff_t file_pos_read(struct file *file)  in file_pos_read()
566 static inline void file_pos_write(struct file *file, loff_t pos)  in file_pos_write()
577 		loff_t pos = file_pos_read(f.file);  in ksys_read()
597 		loff_t pos = file_pos_read(f.file);  in ksys_write()
614 		     loff_t pos)  in ksys_pread64()
634 			size_t, count, loff_t, pos)  in SYSCALL_DEFINE4()  argument
640 		      size_t count, loff_t pos)  in ksys_pwrite64()
660 			 size_t, count, loff_t, pos)  in SYSCALL_DEFINE4()  argument
666 		loff_t *ppos, int type, rwf_t flags)  in do_iter_readv_writev()
688 		loff_t *ppos, int type, rwf_t flags)  in do_loop_readv_writev()
904 		loff_t *pos, rwf_t flags)  in do_iter_read()
931 ssize_t vfs_iter_read(struct file *file, struct iov_iter *iter, loff_t *ppos,  in vfs_iter_read()
941 		loff_t *pos, rwf_t flags)  in do_iter_write()
967 ssize_t vfs_iter_write(struct file *file, struct iov_iter *iter, loff_t *ppos,  in vfs_iter_write()
977 		  unsigned long vlen, loff_t *pos, rwf_t flags)  in vfs_readv()
994 		   unsigned long vlen, loff_t *pos, rwf_t flags)  in vfs_writev()
1018 		loff_t pos = file_pos_read(f.file);  in do_readv()
1038 		loff_t pos = file_pos_read(f.file);  in do_writev()
1051 static inline loff_t pos_from_hilo(unsigned long high, unsigned long low)  in pos_from_hilo()
1054 	return (((loff_t)high << HALF_LONG_BITS) << HALF_LONG_BITS) | low;  in pos_from_hilo()
1058 			 unsigned long vlen, loff_t pos, rwf_t flags)  in do_preadv()
1081 			  unsigned long vlen, loff_t pos, rwf_t flags)  in do_pwritev()
1118 	loff_t pos = pos_from_hilo(pos_h, pos_l);  in SYSCALL_DEFINE5()
1127 	loff_t pos = pos_from_hilo(pos_h, pos_l);  in SYSCALL_DEFINE6()
1138 	loff_t pos = pos_from_hilo(pos_h, pos_l);  in SYSCALL_DEFINE5()
1147 	loff_t pos = pos_from_hilo(pos_h, pos_l);  in SYSCALL_DEFINE6()
1158 			   unsigned long vlen, loff_t *pos, rwf_t flags)  in compat_readv()
1182 	loff_t pos;  in do_compat_readv()
1204 				  unsigned long vlen, loff_t pos, rwf_t flags)  in do_compat_preadv64()
1224 		unsigned long, vlen, loff_t, pos)  in COMPAT_SYSCALL_DEFINE4()  argument
1234 	loff_t pos = ((loff_t)pos_high << 32) | pos_low;  in COMPAT_SYSCALL_DEFINE5()
1242 		unsigned long, vlen, loff_t, pos, rwf_t, flags)  in COMPAT_SYSCALL_DEFINE5()  argument
1253 	loff_t pos = ((loff_t)pos_high << 32) | pos_low;  in COMPAT_SYSCALL_DEFINE6()
1263 			    unsigned long vlen, loff_t *pos, rwf_t flags)  in compat_writev()
1289 	loff_t pos;  in do_compat_writev()
1310 				   unsigned long vlen, loff_t pos, rwf_t flags)  in do_compat_pwritev64()
1330 		unsigned long, vlen, loff_t, pos)  in COMPAT_SYSCALL_DEFINE4()  argument
1340 	loff_t pos = ((loff_t)pos_high << 32) | pos_low;  in COMPAT_SYSCALL_DEFINE5()
1348 		unsigned long, vlen, loff_t, pos, rwf_t, flags)  in COMPAT_SYSCALL_DEFINE5()  argument
1358 	loff_t pos = ((loff_t)pos_high << 32) | pos_low;  in COMPAT_SYSCALL_DEFINE6()
1368 static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,  in do_sendfile()
1369 		  	   size_t count, loff_t max)  in do_sendfile()
1373 	loff_t pos;  in do_sendfile()
1374 	loff_t out_pos;  in do_sendfile()
1470 	loff_t pos;  in SYSCALL_DEFINE4()
1487 SYSCALL_DEFINE4(sendfile64, int, out_fd, int, in_fd, loff_t __user *, offset, size_t, count)  in SYSCALL_DEFINE4()
1489 	loff_t pos;  in SYSCALL_DEFINE4()
1493 		if (unlikely(copy_from_user(&pos, offset, sizeof(loff_t))))  in SYSCALL_DEFINE4()
1508 	loff_t pos;  in COMPAT_SYSCALL_DEFINE4()
1528 	loff_t pos;  in COMPAT_SYSCALL_DEFINE4()
1532 		if (unlikely(copy_from_user(&pos, offset, sizeof(loff_t))))  in COMPAT_SYSCALL_DEFINE4()
1549 ssize_t vfs_copy_file_range(struct file *file_in, loff_t pos_in,  in vfs_copy_file_range()
1550 			    struct file *file_out, loff_t pos_out,  in vfs_copy_file_range()
1627 SYSCALL_DEFINE6(copy_file_range, int, fd_in, loff_t __user *, off_in,  in SYSCALL_DEFINE6()
1628 		int, fd_out, loff_t __user *, off_out,  in SYSCALL_DEFINE6()
1631 	loff_t pos_in;  in SYSCALL_DEFINE6()
1632 	loff_t pos_out;  in SYSCALL_DEFINE6()
1647 		if (copy_from_user(&pos_in, off_in, sizeof(loff_t)))  in SYSCALL_DEFINE6()
1654 		if (copy_from_user(&pos_out, off_out, sizeof(loff_t)))  in SYSCALL_DEFINE6()
1667 			if (copy_to_user(off_in, &pos_in, sizeof(loff_t)))  in SYSCALL_DEFINE6()
1674 			if (copy_to_user(off_out, &pos_out, sizeof(loff_t)))  in SYSCALL_DEFINE6()
1689 static int clone_verify_area(struct file *file, loff_t pos, u64 len, bool write)  in clone_verify_area()
1696 	 if (unlikely((loff_t) (pos + len) < 0))  in clone_verify_area()
1700 		loff_t end = len ? pos + len - 1 : OFFSET_MAX;  in clone_verify_area()
1720 int vfs_clone_file_prep_inodes(struct inode *inode_in, loff_t pos_in,  in vfs_clone_file_prep_inodes()
1721 			       struct inode *inode_out, loff_t pos_out,  in vfs_clone_file_prep_inodes()
1724 	loff_t bs = inode_out->i_sb->s_blocksize;  in vfs_clone_file_prep_inodes()
1725 	loff_t blen;  in vfs_clone_file_prep_inodes()
1726 	loff_t isize;  in vfs_clone_file_prep_inodes()
1764 		loff_t	disize;  in vfs_clone_file_prep_inodes()
1821 int do_clone_file_range(struct file *file_in, loff_t pos_in,  in do_clone_file_range()
1822 			struct file *file_out, loff_t pos_out, u64 len)  in do_clone_file_range()
1871 int vfs_clone_file_range(struct file *file_in, loff_t pos_in,  in vfs_clone_file_range()
1872 			 struct file *file_out, loff_t pos_out, u64 len)  in vfs_clone_file_range()
1888 static struct page *vfs_dedupe_get_page(struct inode *inode, loff_t offset)  in vfs_dedupe_get_page()
1911 int vfs_dedupe_file_range_compare(struct inode *src, loff_t srcoff,  in vfs_dedupe_file_range_compare()
1912 				  struct inode *dest, loff_t destoff,  in vfs_dedupe_file_range_compare()
1913 				  loff_t len, bool *is_same)  in vfs_dedupe_file_range_compare()
1915 	loff_t src_poff;  in vfs_dedupe_file_range_compare()
1916 	loff_t dest_poff;  in vfs_dedupe_file_range_compare()
1921 	loff_t cmp_len;  in vfs_dedupe_file_range_compare()
1980 int vfs_dedupe_file_range_one(struct file *src_file, loff_t src_pos,  in vfs_dedupe_file_range_one()
1981 			      struct file *dst_file, loff_t dst_pos, u64 len)  in vfs_dedupe_file_range_one()