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Subject[PATCH 18/20] fs/sysv: return f_fsid for statfs(2)
This patch makes sysv file system return f_fsid info for statfs(2).

Signed-off-by: Coly Li <coly.li@suse.de>
Cc: Christoph Hellwig <hch@infradead.org>
---
fs/sysv/inode.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c
index 3d81bf5..da20b48 100644
--- a/fs/sysv/inode.c
+++ b/fs/sysv/inode.c
@@ -90,6 +90,7 @@ static int sysv_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct super_block *sb = dentry->d_sb;
struct sysv_sb_info *sbi = SYSV_SB(sb);
+ u64 id = huge_encode_dev(sb->s_bdev->bd_dev);

buf->f_type = sb->s_magic;
buf->f_bsize = sb->s_blocksize;
@@ -98,6 +99,8 @@ static int sysv_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_files = sbi->s_ninodes;
buf->f_ffree = sysv_count_free_inodes(sb);
buf->f_namelen = SYSV_NAMELEN;
+ buf->f_fsid.val[0] = (u32)id;
+ buf->f_fsid.val[1] = (u32)(id >> 32);
return 0;
}

--
Coly Li
SuSE Labs



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