[PATCH 20/20] fs/ufs: return f_fsid for statfs(2)

[Coly Li]

This patch makes ufs return f_fsid info for statfs(2).

Signed-off-by: Coly Li <coly.li@xxxxxxx>
Cc: Evgeniy Dushistov <dushistov@xxxxxxx>
---
 fs/ufs/super.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index e65212d..a98cab7 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -1257,6 +1257,7 @@ static int ufs_statfs(struct dentry *dentry, struct kstatfs *buf)
 	struct ufs_super_block_first *usb1;
 	struct ufs_super_block_second *usb2;
 	struct ufs_super_block_third *usb3;
+	u64 id = huge_encode_dev(sb->s_bdev->bd_dev);

 	lock_kernel();

@@ -1279,6 +1280,8 @@ static int ufs_statfs(struct dentry *dentry, struct kstatfs *buf)
 		? (buf->f_bfree - (((long)buf->f_blocks / 100) * uspi->s_minfree)) : 0;
 	buf->f_files = uspi->s_ncg * uspi->s_ipg;
 	buf->f_namelen = UFS_MAXNAMLEN;
+	buf->f_fsid.val[0] = (u32)id;
+	buf->f_fsid.val[1] = (u32)(id >> 32);

 	unlock_kernel();


-- 
Coly Li
SuSE Labs



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