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linux-stable/fs/ecryptfs
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Christian Brauner b3679e8b59 fs: add is_idmapped_mnt() helper 
commit bb49e9e730 upstream.

Multiple places open-code the same check to determine whether a given
mount is idmapped. Introduce a simple helper function that can be used
instead. This allows us to get rid of the fragile open-coding. We will
later change the check that is used to determine whether a given mount
is idmapped. Introducing a helper allows us to do this in a single
place instead of doing it for multiple places.

Link: https://lore.kernel.org/r/20211123114227.3124056-2-brauner@kernel.org (v1)
Link: https://lore.kernel.org/r/20211130121032.3753852-2-brauner@kernel.org (v2)
Link: https://lore.kernel.org/r/20211203111707.3901969-2-brauner@kernel.org
Cc: Seth Forshee <sforshee@digitalocean.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
CC: linux-fsdevel@vger.kernel.org
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Seth Forshee <sforshee@digitalocean.com>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-07-02 16:41:14 +02:00
..
crypto.c fs: ecryptfs: remove BUG_ON from crypt_scatterlist 2021-05-13 18:32:26 +02:00
debug.c ecryptfs: debug: Demote a couple of kernel-doc abuses 2021-04-19 04:42:13 +00:00
dentry.c ecryptfs: dentry: File headers are not good candidates for kernel-doc 2021-04-19 04:42:13 +00:00
ecryptfs_kernel.h Code cleanups and a bug fix 2021-05-06 10:06:39 -07:00
file.c ecryptfs: file: Demote kernel-doc abuses 2021-04-19 04:42:13 +00:00
inode.c Code cleanups and a bug fix 2021-05-06 10:06:39 -07:00
Kconfig docs: filesystems: fix renamed references 2020-04-20 15:45:22 -06:00
keystore.c ecryptfs: keystore: Fix some kernel-doc issues and demote non-conformant headers 2021-04-19 04:42:13 +00:00
kthread.c ecryptfs: kthread: Demote file header and provide description for 'cred' 2021-04-19 04:42:13 +00:00
main.c fs: add is_idmapped_mnt() helper 2022-07-02 16:41:14 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
messaging.c eCryptfs: Use DEFINE_MUTEX() for mutex lock 2021-04-19 04:42:13 +00:00
miscdev.c ecryptfs: miscdev: File headers are not good kernel-doc candidates 2021-04-19 04:42:13 +00:00
mmap.c mm: require ->set_page_dirty to be explicitly wired up 2021-06-29 10:53:48 -07:00
read_write.c ecryptfs: read_write: File headers do not make good candidates for kernel-doc 2021-04-19 04:42:13 +00:00
super.c ecryptfs: super: Fix formatting, naming and kernel-doc abuses 2021-04-19 04:42:13 +00:00