linux/fs/btrfs/compat.h
David Woodhouse 2db04966ae Btrfs: Change TestSetPageLocked() to trylock_page()
Add backwards compatibility in compat.h

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 compat.h    |    3 +++
 extent_io.c |    3 ++-
 2 files changed, 5 insertions(+), 1 deletions(-)

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25 11:04:06 -04:00

29 lines
758 B
C

#ifndef _COMPAT_H_
#define _COMPAT_H_
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26)
#define trylock_page(page) (!TestSetPageLocked(page))
#endif
/*
* Even if AppArmor isn't enabled, it still has different prototypes.
* Add more distro/version pairs here to declare which has AppArmor applied.
*/
#if defined(CONFIG_SUSE_KERNEL)
# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
# define REMOVE_SUID_PATH 1
# endif
#endif
/*
* catch any other distros that have patched in apparmor. This isn't
* 100% reliable because it won't catch people that hand compile their
* own distro kernels without apparmor compiled in. But, it is better
* than nothing.
*/
#ifdef CONFIG_SECURITY_APPARMOR
# define REMOVE_SUID_PATH 1
#endif
#endif /* _COMPAT_H_ */