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authorLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2009-01-18 22:00:57 -0500
committerLachlan McIlroy <lachlan@sgi.com>2009-01-18 22:00:57 -0500
commit6c5200ce3c528a8f7695ee62f33ad84d8f84d444 (patch)
treeb240465c2dadbe0366a5b66d60c4776be1b7670d /fs/read_write.c
parent9d87c3192d96ef9ac1cec8321538e9b35e90b5aa (diff)
parentf3b8436ad9a8ad36b3c9fa1fe030c7f38e5d3d0b (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/read_write.c')
-rw-r--r--fs/read_write.c49
1 files changed, 33 insertions, 16 deletions
diff --git a/fs/read_write.c b/fs/read_write.c
index 5cc6924eb158..400fe81c973e 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -147,7 +147,7 @@ loff_t vfs_llseek(struct file *file, loff_t offset, int origin)
147} 147}
148EXPORT_SYMBOL(vfs_llseek); 148EXPORT_SYMBOL(vfs_llseek);
149 149
150asmlinkage off_t sys_lseek(unsigned int fd, off_t offset, unsigned int origin) 150SYSCALL_DEFINE3(lseek, unsigned int, fd, off_t, offset, unsigned int, origin)
151{ 151{
152 off_t retval; 152 off_t retval;
153 struct file * file; 153 struct file * file;
@@ -171,9 +171,9 @@ bad:
171} 171}
172 172
173#ifdef __ARCH_WANT_SYS_LLSEEK 173#ifdef __ARCH_WANT_SYS_LLSEEK
174asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high, 174SYSCALL_DEFINE5(llseek, unsigned int, fd, unsigned long, offset_high,
175 unsigned long offset_low, loff_t __user * result, 175 unsigned long, offset_low, loff_t __user *, result,
176 unsigned int origin) 176 unsigned int, origin)
177{ 177{
178 int retval; 178 int retval;
179 struct file * file; 179 struct file * file;
@@ -369,7 +369,7 @@ static inline void file_pos_write(struct file *file, loff_t pos)
369 file->f_pos = pos; 369 file->f_pos = pos;
370} 370}
371 371
372asmlinkage ssize_t sys_read(unsigned int fd, char __user * buf, size_t count) 372SYSCALL_DEFINE3(read, unsigned int, fd, char __user *, buf, size_t, count)
373{ 373{
374 struct file *file; 374 struct file *file;
375 ssize_t ret = -EBADF; 375 ssize_t ret = -EBADF;
@@ -386,7 +386,8 @@ asmlinkage ssize_t sys_read(unsigned int fd, char __user * buf, size_t count)
386 return ret; 386 return ret;
387} 387}
388 388
389asmlinkage ssize_t sys_write(unsigned int fd, const char __user * buf, size_t count) 389SYSCALL_DEFINE3(write, unsigned int, fd, const char __user *, buf,
390 size_t, count)
390{ 391{
391 struct file *file; 392 struct file *file;
392 ssize_t ret = -EBADF; 393 ssize_t ret = -EBADF;
@@ -403,8 +404,8 @@ asmlinkage ssize_t sys_write(unsigned int fd, const char __user * buf, size_t co
403 return ret; 404 return ret;
404} 405}
405 406
406asmlinkage ssize_t sys_pread64(unsigned int fd, char __user *buf, 407SYSCALL_DEFINE(pread64)(unsigned int fd, char __user *buf,
407 size_t count, loff_t pos) 408 size_t count, loff_t pos)
408{ 409{
409 struct file *file; 410 struct file *file;
410 ssize_t ret = -EBADF; 411 ssize_t ret = -EBADF;
@@ -423,9 +424,17 @@ asmlinkage ssize_t sys_pread64(unsigned int fd, char __user *buf,
423 424
424 return ret; 425 return ret;
425} 426}
427#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
428asmlinkage long SyS_pread64(long fd, long buf, long count, loff_t pos)
429{
430 return SYSC_pread64((unsigned int) fd, (char __user *) buf,
431 (size_t) count, pos);
432}
433SYSCALL_ALIAS(sys_pread64, SyS_pread64);
434#endif
426 435
427asmlinkage ssize_t sys_pwrite64(unsigned int fd, const char __user *buf, 436SYSCALL_DEFINE(pwrite64)(unsigned int fd, const char __user *buf,
428 size_t count, loff_t pos) 437 size_t count, loff_t pos)
429{ 438{
430 struct file *file; 439 struct file *file;
431 ssize_t ret = -EBADF; 440 ssize_t ret = -EBADF;
@@ -444,6 +453,14 @@ asmlinkage ssize_t sys_pwrite64(unsigned int fd, const char __user *buf,
444 453
445 return ret; 454 return ret;
446} 455}
456#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
457asmlinkage long SyS_pwrite64(long fd, long buf, long count, loff_t pos)
458{
459 return SYSC_pwrite64((unsigned int) fd, (const char __user *) buf,
460 (size_t) count, pos);
461}
462SYSCALL_ALIAS(sys_pwrite64, SyS_pwrite64);
463#endif
447 464
448/* 465/*
449 * Reduce an iovec's length in-place. Return the resulting number of segments 466 * Reduce an iovec's length in-place. Return the resulting number of segments
@@ -672,8 +689,8 @@ ssize_t vfs_writev(struct file *file, const struct iovec __user *vec,
672 689
673EXPORT_SYMBOL(vfs_writev); 690EXPORT_SYMBOL(vfs_writev);
674 691
675asmlinkage ssize_t 692SYSCALL_DEFINE3(readv, unsigned long, fd, const struct iovec __user *, vec,
676sys_readv(unsigned long fd, const struct iovec __user *vec, unsigned long vlen) 693 unsigned long, vlen)
677{ 694{
678 struct file *file; 695 struct file *file;
679 ssize_t ret = -EBADF; 696 ssize_t ret = -EBADF;
@@ -693,8 +710,8 @@ sys_readv(unsigned long fd, const struct iovec __user *vec, unsigned long vlen)
693 return ret; 710 return ret;
694} 711}
695 712
696asmlinkage ssize_t 713SYSCALL_DEFINE3(writev, unsigned long, fd, const struct iovec __user *, vec,
697sys_writev(unsigned long fd, const struct iovec __user *vec, unsigned long vlen) 714 unsigned long, vlen)
698{ 715{
699 struct file *file; 716 struct file *file;
700 ssize_t ret = -EBADF; 717 ssize_t ret = -EBADF;
@@ -812,7 +829,7 @@ out:
812 return retval; 829 return retval;
813} 830}
814 831
815asmlinkage ssize_t sys_sendfile(int out_fd, int in_fd, off_t __user *offset, size_t count) 832SYSCALL_DEFINE4(sendfile, int, out_fd, int, in_fd, off_t __user *, offset, size_t, count)
816{ 833{
817 loff_t pos; 834 loff_t pos;
818 off_t off; 835 off_t off;
@@ -831,7 +848,7 @@ asmlinkage ssize_t sys_sendfile(int out_fd, int in_fd, off_t __user *offset, siz
831 return do_sendfile(out_fd, in_fd, NULL, count, 0); 848 return do_sendfile(out_fd, in_fd, NULL, count, 0);
832} 849}
833 850
834asmlinkage ssize_t sys_sendfile64(int out_fd, int in_fd, loff_t __user *offset, size_t count) 851SYSCALL_DEFINE4(sendfile64, int, out_fd, int, in_fd, loff_t __user *, offset, size_t, count)
835{ 852{
836 loff_t pos; 853 loff_t pos;
837 ssize_t ret; 854 ssize_t ret;