Commit 32190f0a authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt 

Pull fscrypt updates from Ted Ts'o:
 "Lots of cleanups, mostly courtesy by Eric Biggers"

* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt:
  fscrypt: lock mutex before checking for bounce page pool
  fscrypt: add a documentation file for filesystem-level encryption
  ext4: switch to fscrypt_prepare_setattr()
  ext4: switch to fscrypt_prepare_lookup()
  ext4: switch to fscrypt_prepare_rename()
  ext4: switch to fscrypt_prepare_link()
  ext4: switch to fscrypt_file_open()
  fscrypt: new helper function - fscrypt_prepare_setattr()
  fscrypt: new helper function - fscrypt_prepare_lookup()
  fscrypt: new helper function - fscrypt_prepare_rename()
  fscrypt: new helper function - fscrypt_prepare_link()
  fscrypt: new helper function - fscrypt_file_open()
  fscrypt: new helper function - fscrypt_require_key()
  fscrypt: remove unneeded empty fscrypt_operations structs
  fscrypt: remove ->is_encrypted()
  fscrypt: switch from ->is_encrypted() to IS_ENCRYPTED()
  fs, fscrypt: add an S_ENCRYPTED inode flag
  fscrypt: clean up include file mess
parents 37dc7956 a0b3bc85

Documentation/filesystems/fscrypt.rst

0 → 100644
+610 −0

File added.

Preview size limit exceeded, changes collapsed.

Documentation/filesystems/index.rst

+11 −0
Original line number Diff line number Diff line
@@ -315,3 +315,14 @@ exported for use by modules. 
   :internal:



.. kernel-doc:: fs/pipe.c



Encryption API

==============



A library which filesystems can hook into to support transparent

encryption of files and directories.



.. toctree::

    :maxdepth: 2



    fscrypt

MAINTAINERS

+1 −0
Original line number Diff line number Diff line
@@ -5664,6 +5664,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt.git 
S:	Supported

F:	fs/crypto/

F:	include/linux/fscrypt*.h

F:	Documentation/filesystems/fscrypt.rst



FUJITSU FR-V (FRV) PORT

S:	Orphan

fs/crypto/Makefile

+1 −1
Original line number Diff line number Diff line 
obj-$(CONFIG_FS_ENCRYPTION)	+= fscrypto.o



fscrypto-y := crypto.o fname.o policy.o keyinfo.o

fscrypto-y := crypto.o fname.o hooks.o keyinfo.o policy.o

fscrypto-$(CONFIG_BLOCK) += bio.o

fs/crypto/crypto.c

+3 −6
Original line number Diff line number Diff line
@@ -320,7 +320,7 @@ static int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags) 
		return -ECHILD;



	dir = dget_parent(dentry);

	if (!d_inode(dir)->i_sb->s_cop->is_encrypted(d_inode(dir))) {

	if (!IS_ENCRYPTED(d_inode(dir))) {

		dput(dir);

		return 0;

	}
@@ -390,11 +390,8 @@ int fscrypt_initialize(unsigned int cop_flags) 
{

	int i, res = -ENOMEM;



	/*

	 * No need to allocate a bounce page pool if there already is one or

	 * this FS won't use it.

	 */

	if (cop_flags & FS_CFLG_OWN_PAGES || fscrypt_bounce_page_pool)

	/* No need to allocate a bounce page pool if this FS won't use it. */

	if (cop_flags & FS_CFLG_OWN_PAGES)

		return 0;



	mutex_lock(&fscrypt_init_mutex);

CRA Git | Maintained and supported by SUSTech CRA and CCSE