Commit 8a59f5d2 authored by Coly Li's avatar Coly Li Committed by Linus Torvalds
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fs/romfs: return f_fsid for statfs(2) 



Make romfs 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 bdc8e5f8

fs/romfs/super.c

+5 −0
Original line number Diff line number Diff line
@@ -408,12 +408,17 @@ static void romfs_destroy_inode(struct inode *inode) 
 */

static int romfs_statfs(struct dentry *dentry, struct kstatfs *buf)

{

	struct super_block *sb = dentry->d_sb;

	u64 id = huge_encode_dev(sb->s_bdev->bd_dev);



	buf->f_type = ROMFS_MAGIC;

	buf->f_namelen = ROMFS_MAXFN;

	buf->f_bsize = ROMBSIZE;

	buf->f_bfree = buf->f_bavail = buf->f_ffree;

	buf->f_blocks =

		(romfs_maxsize(dentry->d_sb) + ROMBSIZE - 1) >> ROMBSBITS;

	buf->f_fsid.val[0] = (u32)id;

	buf->f_fsid.val[1] = (u32)(id >> 32);

	return 0;

}