Match wireshark's CRC-32 hash for easier debugging.
Signed-off-by: Weston Andros Adamson <dros@xxxxxxxxxx>
---
Requested by Chuck and others.
Nothing in trond/nfs-for-next uses nfs_display_fhandle() yet.
I tested by calling it in nfs4xdr.c:encode_putfh().
fs/nfs/inode.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 99a4f52..c1f44e9 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -39,6 +39,7 @@
#include <linux/slab.h>
#include <linux/compat.h>
#include <linux/freezer.h>
+#include <linux/crc32.h>
#include <asm/system.h>
#include <asm/uaccess.h>
@@ -1057,13 +1058,18 @@ struct nfs_fh *nfs_alloc_fhandle(void)
void _nfs_display_fhandle(const struct nfs_fh *fh, const char *caption)
{
unsigned short i;
+ u32 crc;
if (fh->size == 0 || fh == NULL) {
printk(KERN_DEFAULT "%s at %p is empty\n", caption, fh);
return;
}
- printk(KERN_DEFAULT "%s at %p is %u bytes:\n", caption, fh, fh->size);
+ /* match wireshark's CRC-32 hash */
+ crc = ~crc32(0xFFFFFFFF, &fh->data[0], fh->size);
+
+ printk(KERN_DEFAULT "%s at %p is %u bytes, crc: 0x%08x:\n",
+ caption, fh, fh->size, crc);
for (i = 0; i < fh->size; i += 16) {
__be32 *pos = (__be32 *)&fh->data[i];
--
1.7.4.4
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