Messages in this thread | | | Date | Tue, 13 Mar 2018 00:36:47 +0000 | From | Al Viro <> | Subject | Re: dcache: remove trylock loops (was Re: [BUG] lock_parent() breakage when used from shrink_dentry_list()) |
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On Mon, Mar 12, 2018 at 06:28:30PM -0500, Eric W. Biederman wrote:
> Given that nfs_kill_super calls generic_shutdown_super and > generic_shutdown_super calls shrink_dcache_for_umount > I would argue that nfsv2 and nfsv3 are buggy in the same > case, as shrink_dcache_for_umount is called on something > that is not the root of the filesystem's dentry tree.
That's not a problem - it will simply evict a subtree first, then go through ->s_roots and kill each piece.
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