Commit 054475d2 authored by Coly Li's avatar Coly Li Committed by Linus Torvalds
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fs/minix: return f_fsid for statfs(2) 



Make minix file system return f_fsid info for statfs(2).

Signed-off-by: default avatarColy Li <coly.li@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 2430c4da

fs/minix/inode.c

+8 −3
Original line number Diff line number Diff line
@@ -321,15 +321,20 @@ static int minix_fill_super(struct super_block *s, void *data, int silent) 


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;

}