android_kernel_samsung_msm8976/fs/ecryptfs
Tyler Hicks b2987a5e05 eCryptfs: Unlock keys needed by ecryptfsd
Fixes a regression caused by b5695d0463

Kernel keyring keys containing eCryptfs authentication tokens should not
be write locked when calling out to ecryptfsd to wrap and unwrap file
encryption keys. The eCryptfs kernel code can not hold the key's write
lock because ecryptfsd needs to request the key after receiving such a
request from the kernel.

Without this fix, all file opens and creates will timeout and fail when
using the eCryptfs PKI infrastructure. This is not an issue when using
passphrase-based mount keys, which is the most widely deployed eCryptfs
configuration.

Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
Acked-by: Roberto Sassu <roberto.sassu@polito.it>
Tested-by: Roberto Sassu <roberto.sassu@polito.it>
Tested-by: Alexis Hafner1 <haf@zurich.ibm.com>
Cc: <stable@kernel.org> [2.6.39+]
2011-07-28 23:30:09 -05:00
..
crypto.c eCryptfs: Remove ecryptfs_header_cache_2 2011-05-29 14:24:25 -05:00
debug.c
dentry.c
ecryptfs_kernel.h eCryptfs: added support for the encrypted key type 2011-06-27 09:11:21 -04:00
file.c fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers 2011-07-20 20:47:59 -04:00
inode.c don't pass nameidata to vfs_create() from ecryptfs_create() 2011-07-20 01:43:54 -04:00
Kconfig
keystore.c eCryptfs: Unlock keys needed by ecryptfsd 2011-07-28 23:30:09 -05:00
kthread.c eCryptfs: Add reference counting to lower files 2011-04-25 18:32:37 -05:00
main.c eCryptfs: Remove ecryptfs_header_cache_2 2011-05-29 14:24:25 -05:00
Makefile
messaging.c
miscdev.c
mmap.c eCryptfs: Unlock page in write_begin error path 2011-03-28 01:47:46 -05:00
read_write.c
super.c eCryptfs: Consolidate inode functions into inode.c 2011-05-29 12:49:53 -05:00