switch nfsd_client_rmdir() to use of simple_recursive_removal()

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nfsd_client_rmdir() open-codes a subset of simple_recursive_removal().
Conversion to calling simple_recursive_removal() allows to clean things
up quite a bit.

While we are at it, nfsdfs_create_files() doesn't need to mess with "pick
the reference to struct nfsdfs_client from the already created parent" -
the caller already knows it (that's where the parent got it from,
after all), so we might as well just pass it as an explicit argument.
So __get_nfsdfs_client() is only needed in get_nfsdfs_client() and
can be folded in there.

Incidentally, the locking in get_nfsdfs_client() is too heavy - we don't
need ->i_rwsem for that, ->i_lock serves just fine.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Tested-by: Jeff Layton <jlayton@kernel.org>
Acked-by: Chuck Lever <chuck.lever@oracle.com>
Acked-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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This commit is contained in:

Al Viro 2023-11-03 14:35:16 -04:00

parent b85ea95d08

commit b7a14708aa

1 changed files with 14 additions and 56 deletions

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fs/nfsd/nfsctl.c

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