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parisc: fix fallocate syscall 

fallocate(off_t) gets redirected by glibc to fallocate64(loff_t)
where the 64bit loff_t values get splitted into two 32bit (hi/lo)
values. This patch fixes this syscall for the 32- and 64bit kernel.

Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Helge Deller 2013-02-19 21:23:59 +01:00
parent 2e800dff4f
commit 4474a331cf
3 changed files with 8 additions and 8 deletions
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7
arch/parisc/kernel/sys_parisc.c
View File

@ -213,6 +213,13 @@ asmlinkage long parisc_sync_file_range(int fd,
(loff_t)hi_nbytes << 32 | lo_nbytes, flags);
}
asmlinkage long parisc_fallocate(int fd, int mode, u32 offhi, u32 offlo,
u32 lenhi, u32 lenlo)
{
return sys_fallocate(fd, mode, ((u64)offhi << 32) | offlo,
((u64)lenhi << 32) | lenlo);
}
asmlinkage unsigned long sys_alloc_hugepages(int key, unsigned long addr, unsigned long len, int prot, int flag)
{
return -ENOMEM;

7
arch/parisc/kernel/sys_parisc32.c
View File

@ -142,13 +142,6 @@ long sys32_lookup_dcookie(u32 cookie_high, u32 cookie_low, char __user *buf,
buf, len);
}
asmlinkage long compat_sys_fallocate(int fd, int mode, u32 offhi, u32 offlo,
u32 lenhi, u32 lenlo)
{
return sys_fallocate(fd, mode, ((loff_t)offhi << 32) | offlo,
((loff_t)lenhi << 32) | lenlo);
}
asmlinkage long compat_sys_fanotify_mark(int fan_fd, int flags, u32 mask_hi,
u32 mask_lo, int fd,
const char __user *pathname)

2
arch/parisc/kernel/syscall_table.S
View File

@ -403,7 +403,7 @@
ENTRY_COMP(signalfd)
ENTRY_SAME(ni_syscall) /* was timerfd */
ENTRY_SAME(eventfd)
ENTRY_COMP(fallocate) /* 305 */
ENTRY_OURS(fallocate) /* 305 */
ENTRY_SAME(timerfd_create)
ENTRY_COMP(timerfd_settime)
ENTRY_COMP(timerfd_gettime)