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linux-next/fs/ecryptfs
Miklos Szeredi 69c433ed2e fs: limit filesystem stacking depth
Add a simple read-only counter to super_block that indicates how deep this
is in the stack of filesystems.  Previously ecryptfs was the only stackable
filesystem and it explicitly disallowed multiple layers of itself.

Overlayfs, however, can be stacked recursively and also may be stacked
on top of ecryptfs or vice versa.

To limit the kernel stack usage we must limit the depth of the
filesystem stack.  Initially the limit is set to 2.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
2014-10-24 00:14:39 +02:00
..
crypto.c tree-wide: use reinit_completion instead of INIT_COMPLETION 2013-11-15 09:32:21 +09:00
debug.c eCryptfs: update comment and debug statement 2007-10-16 09:43:11 -07:00
dentry.c ecryptfs: ->lower_path.dentry is never NULL 2013-10-24 23:34:48 -04:00
ecryptfs_kernel.h ecryptfs: get rid of ecryptfs_set_dentry_lower{,_mnt} 2013-10-24 23:34:48 -04:00
file.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-10-13 11:28:42 +02:00
inode.c Minor code cleanups and a fix for when eCryptfs metadata is stored in xattrs 2014-10-11 08:01:27 -04:00
Kconfig Minor code cleanups and new Kconfig option to disable /dev/ecryptfs 2013-03-07 12:47:24 -08:00
keystore.c ecryptfs: remove unnecessary break after goto 2014-07-14 14:29:11 -05:00
kthread.c eCryptfs: fix to use list_for_each_entry_safe() when delete items 2012-12-18 10:07:29 -06:00
main.c fs: limit filesystem stacking depth 2014-10-24 00:14:39 +02:00
Makefile eCryptfs: allow userspace messaging to be disabled 2013-03-03 23:59:59 -08:00
messaging.c fs/ecryptfs/messaging.c: remove null test before kfree 2014-07-03 16:38:09 -05:00
miscdev.c ecryptfs: close rmmod race 2013-04-09 14:08:16 -04:00
mmap.c eCryptfs: Avoid unnecessary disk read and data decryption during writing 2012-11-07 17:56:16 -08:00
read_write.c ecryptfs: don't open-code kernel_read() 2013-05-09 13:39:58 -04:00
super.c mm + fs: store shadow entries in page cache 2014-04-03 16:21:01 -07:00