jfs: return f_fsid for statfs(2)

[~andy/linux] / fs / jfs / super.c

diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 3630718be395deaada9cfe0c28d11a877fcc31e7..59e07c10319ddaddb7463493f93f77377785c628 100644 (file)
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -29,6 +29,7 @@
 #include <linux/posix_acl.h>
 #include <linux/buffer_head.h>
 #include <linux/exportfs.h>
+#include <linux/crc32.h>
 #include <asm/uaccess.h>
 #include <linux/seq_file.h>
 
@@ -168,6 +169,9 @@ static int jfs_statfs(struct dentry *dentry, struct kstatfs *buf)
        buf->f_files = maxinodes;
        buf->f_ffree = maxinodes - (atomic_read(&imap->im_numinos) -
                                    atomic_read(&imap->im_numfree));
+       buf->f_fsid.val[0] = (u32)crc32_le(0, sbi->uuid, sizeof(sbi->uuid)/2);
+       buf->f_fsid.val[1] = (u32)crc32_le(0, sbi->uuid + sizeof(sbi->uuid)/2,
+                                       sizeof(sbi->uuid)/2);
 
        buf->f_namelen = JFS_NAME_MAX;
        return 0;
@@ -199,7 +203,7 @@ enum {
        Opt_usrquota, Opt_grpquota, Opt_uid, Opt_gid, Opt_umask
 };
 
-static match_table_t tokens = {
+static const match_table_t tokens = {
        {Opt_integrity, "integrity"},
        {Opt_nointegrity, "nointegrity"},
        {Opt_iocharset, "iocharset=%s"},