Commit 0b2332fb authored by Tejun Heo's avatar Tejun Heo Committed by Greg Kroah-Hartman
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kernfs: implement kernfs_root->supers list 



commit 7d568a83 upstream.

Currently, there's no way to find out which super_blocks are
associated with a given kernfs_root.  Let's implement it - the planned
inotify extension to kernfs_notify() needs it.

Make kernfs_super_info point back to the super_block and chain it at
kernfs_root->supers.

Signed-off-by: default avatarTejun Heo <tj@kernel.org>
[lizf: Backported to 3.15: Adjust context]
Signed-off-by: default avatarLi Zefan <lizefan@huawei.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f1a6b5dd
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