nfsd: support ext4 i_version

[safe/jmp/linux-2.6] / include / linux / nfsd / nfsfh.h

diff --git a/include/linux/nfsd/nfsfh.h b/include/linux/nfsd/nfsfh.h
index b2e0938..8f641c9 100644 (file)
--- a/include/linux/nfsd/nfsfh.h
+++ b/include/linux/nfsd/nfsfh.h
@@ -14,9 +14,8 @@
 #ifndef _LINUX_NFSD_FH_H
 #define _LINUX_NFSD_FH_H
 
-#include <asm/types.h>
-#ifdef __KERNEL__
 # include <linux/types.h>
+#ifdef __KERNEL__
 # include <linux/string.h>
 # include <linux/fs.h>
 #endif
@@ -152,9 +151,15 @@ typedef struct svc_fh {
        __u64                   fh_pre_size;    /* size before operation */
        struct timespec         fh_pre_mtime;   /* mtime before oper */
        struct timespec         fh_pre_ctime;   /* ctime before oper */
+       /*
+        * pre-op nfsv4 change attr: note must check IS_I_VERSION(inode)
+        *  to find out if it is valid.
+        */
+       u64                     fh_pre_change;
 
        /* Post-op attributes saved in fh_unlock */
        struct kstat            fh_post_attr;   /* full attrs after operation */
+       u64                     fh_post_change; /* nfsv4 change; see above */
 #endif /* CONFIG_NFSD_V3 */
 
 } svc_fh;
@@ -270,6 +275,13 @@ fh_copy(struct svc_fh *dst, struct svc_fh *src)
        return dst;
 }
 
+static inline void
+fh_copy_shallow(struct knfsd_fh *dst, struct knfsd_fh *src)
+{
+       dst->fh_size = src->fh_size;
+       memcpy(&dst->fh_base, &src->fh_base, src->fh_size);
+}
+
 static __inline__ struct svc_fh *
 fh_init(struct svc_fh *fhp, int maxsize)
 {
@@ -292,6 +304,7 @@ fill_pre_wcc(struct svc_fh *fhp)
                fhp->fh_pre_mtime = inode->i_mtime;
                fhp->fh_pre_ctime = inode->i_ctime;
                fhp->fh_pre_size  = inode->i_size;
+               fhp->fh_pre_change = inode->i_version;
                fhp->fh_pre_saved = 1;
        }
 }