From ed901b6e2f9ded04fdac388b90420502c10bb3d3 Mon Sep 17 00:00:00 2001 From: Eduardo Habkost Date: Fri, 23 Jan 2009 16:41:34 -0200 Subject: [PATCH] kvm: external module: Use native anon_inodes on RHEL5 if available Seom RHEL5 kernel versions include anon_inodes. Detect this case and use the native anon_inodes implementation when available. This patch also applies to the maint/2.6.29 branch. Signed-off-by: Eduardo Habkost Signed-off-by: Marcelo Tosatti --- kvm/kernel/anon_inodes.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/kvm/kernel/anon_inodes.c b/kvm/kernel/anon_inodes.c index 510303f020..135adaea7b 100644 --- a/kvm/kernel/anon_inodes.c +++ b/kvm/kernel/anon_inodes.c @@ -21,7 +21,14 @@ #include -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) +/* anon_inodes on RHEL >= 5.2 is equivalent to 2.6.27 version */ +#ifdef RHEL_RELEASE_CODE +# if (RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(5,2)) && defined(CONFIG_ANON_INODES) +# define RHEL_ANON_INODES +# endif +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) && !defined(RHEL_ANON_INODES) static struct vfsmount *anon_inode_mnt __read_mostly; static struct inode *anon_inode_inode; @@ -228,7 +235,7 @@ void kvm_exit_anon_inodes(void) #undef anon_inode_getfd -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26) +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26) && !defined(RHEL_ANON_INODES) int kvm_anon_inode_getfd(const char *name, const struct file_operations *fops, @@ -245,7 +252,7 @@ int kvm_anon_inode_getfd(const char *name, return fd; } -#elif LINUX_VERSION_CODE == KERNEL_VERSION(2,6,26) +#elif LINUX_VERSION_CODE == KERNEL_VERSION(2,6,26) && !defined(RHEL_ANON_INODES) int kvm_anon_inode_getfd(const char *name, const struct file_operations *fops, -- 2.11.4.GIT