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authorColy Li <coly.li@suse.de>2009-04-02 16:59:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-02 19:05:09 -0700
commit054475d2af2640a6d6cb83b528512c7b49eef9ca (patch)
tree2790c3043ff7be3f45fdbdd129c4ab917dc7a191 /fs/minix/inode.c
parent2430c4daf9e6cc6b144906a41f7f28c3f6ae5a2c (diff)
downloadlinux-054475d2af2640a6d6cb83b528512c7b49eef9ca.tar.gz
fs/minix: return f_fsid for statfs(2)
Make minix file system return f_fsid info for statfs(2).

Signed-off-by: Coly Li <coly.li@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/minix/inode.c')
-rw-r--r--fs/minix/inode.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index 618865b3128b..daad3c2740db 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -321,15 +321,20 @@ out:
 
 static int minix_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
-	struct minix_sb_info *sbi = minix_sb(dentry->d_sb);
-	buf->f_type = dentry->d_sb->s_magic;
-	buf->f_bsize = dentry->d_sb->s_blocksize;
+	struct super_block *sb = dentry->d_sb;
+	struct minix_sb_info *sbi = minix_sb(sb);
+	u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
+	buf->f_type = sb->s_magic;
+	buf->f_bsize = sb->s_blocksize;
 	buf->f_blocks = (sbi->s_nzones - sbi->s_firstdatazone) << sbi->s_log_zone_size;
 	buf->f_bfree = minix_count_free_blocks(sbi);
 	buf->f_bavail = buf->f_bfree;
 	buf->f_files = sbi->s_ninodes;
 	buf->f_ffree = minix_count_free_inodes(sbi);
 	buf->f_namelen = sbi->s_namelen;
+	buf->f_fsid.val[0] = (u32)id;
+	buf->f_fsid.val[1] = (u32)(id >> 32);
+
 	return 0;
 }