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Vasily Tarasov b716395e2b diskquota: 32bit quota tools on 64bit architectures ... OpenVZ Linux kernel team has discovered the problem with 32bit quota tools working on 64bit architectures. In 2.6.10 kernel sys32_quotactl() function was replaced by sys_quotactl() with the comment "sys_quotactl seems to be 32/64bit clean, enable it for 32bit" However this isn't right. Look at if_dqblk structure: struct if_dqblk { __u64 dqb_bhardlimit; __u64 dqb_bsoftlimit; __u64 dqb_curspace; __u64 dqb_ihardlimit; __u64 dqb_isoftlimit; __u64 dqb_curinodes; __u64 dqb_btime; __u64 dqb_itime; __u32 dqb_valid; }; For 32 bit quota tools sizeof(if_dqblk) == 0x44. But for 64 bit kernel its size is 0x48, 'cause of alignment! Thus we got a problem. Attached patch reintroduce sys32_quotactl() function, that handles this and related situations. [michal.k.k.piotrowski@gmail.com: build fix] [akpm@linux-foundation.org: Make it link with CONFIG_QUOTA=n] Signed-off-by: Vasily Tarasov <vtaras@openvz.org> Cc: Andi Kleen <ak@suse.de> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Jan Kara <jack@ucw.cz> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		18 years ago
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Makefile	…
audit.c	[PATCH] add SIGNAL syscall class (v3)	18 years ago
fpu32.c	…
ia32_aout.c	…
ia32_binfmt.c	…
ia32_signal.c	…
ia32entry.S	diskquota: 32bit quota tools on 64bit architectures	18 years ago
ipc32.c	…
mmap32.c	Detach sched.h from mm.h	18 years ago
ptrace32.c	…
sys_ia32.c	x86_64: Fix readahead/sync_file_range/fadvise64 compat calls	18 years ago
syscall32.c	…
syscall32_syscall.S	…
tls32.c	…
vsyscall-sigreturn.S	…
vsyscall-syscall.S	…
vsyscall-sysenter.S	…
vsyscall.lds	…