diff options
| author | Eric Biggers <ebiggers@google.com> | 2016-10-15 09:48:50 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-22 12:04:18 +0100 |
| commit | 3a19419c50c6ee386ca6d22a23acc2df51583d3d (patch) | |
| tree | 983c5f1b10421ac655ef15533c4efa38f05397ef /fs/gfs2/main.c | |
| parent | fd74e8d258da9f9678da6bf88a0b02b2c1b71d0c (diff) | |
fscrypto: lock inode while setting encryption policy
commit 8906a8223ad4909b391c5628f7991ebceda30e52 upstream.
i_rwsem needs to be acquired while setting an encryption policy so that
concurrent calls to FS_IOC_SET_ENCRYPTION_POLICY are correctly
serialized (especially the ->get_context() + ->set_context() pair), and
so that new files cannot be created in the directory during or after the
->empty_dir() check.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Richard Weinberger <richard@nod.at>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/gfs2/main.c')
0 files changed, 0 insertions, 0 deletions