This patch makes romfs return f_fsid info for statfs(2).
Signed-off-by: Coly Li <[email protected]>
Cc: Andrew Morton <[email protected]>
---
fs/romfs/inode.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/fs/romfs/inode.c b/fs/romfs/inode.c
index 98a232f..9d84e3c 100644
--- a/fs/romfs/inode.c
+++ b/fs/romfs/inode.c
@@ -186,11 +186,17 @@ outnobh:
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_bsize = ROMBSIZE;
buf->f_bfree = buf->f_bavail = buf->f_ffree;
buf->f_blocks = (romfs_maxsize(dentry->d_sb)+ROMBSIZE-1)>>ROMBSBITS;
buf->f_namelen = ROMFS_MAXFN;
+ buf->f_fsid.val[0] = (u32)id;
+ buf->f_fsid.val[1] = (u32)(id >> 32);
+
return 0;
}
--
Coly Li
SuSE Labs