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Date: Mon, 18 Feb 2019 15:34:23 +0530
From: Chandan Rajendra <chandan@...ux.ibm.com>
To: linux-ext4@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net,
linux-fscrypt@...r.kernel.org
Cc: Chandan Rajendra <chandan@...ux.ibm.com>, tytso@....edu,
adilger.kernel@...ger.ca, ebiggers@...nel.org, jaegeuk@...nel.org,
yuchao0@...wei.com
Subject: [RFC PATCH 00/10] Consolidate Post read processing code
This patchset moves the "post read processing" code into a file of its
own and gets the generic do_mpage_readpge() to make use of the
functionality provided. With these changes in place, the patchset
changes Ext4 to use mpage_readpage[s] instead of its own custom
ext4_readpages() function. This is done to reduce duplicity of code
across filesystems. Based on the reviews provided for this patchset, I
will change F2FS to use mpage_readpage[s] and post the next version of
this patchset to linux-fsdevel mailing list.
The patchset also includes patches from previous postings i.e.
patches to replace per-filesystem encryption config options with a
single config option that affects all filesystems making use of
fscrypt code.
Chandan Rajendra (10):
ext4: use IS_ENCRYPTED() to check encryption status
f2fs: use IS_ENCRYPTED() to check encryption status
fscrypt: remove filesystem specific build config option
Consolidate "post read processing" into a new file
fsverity: Add call back to decide if verity check has to be performed
Introduce REQ_POST_READ_PROC bio flag
fsverity: Add call back to determine readpage limit
fsverity: Add call back to verify file holes
fs/mpage.c: Integrate post read processing
ext4: Wire up ext4_readpage[s] to use mpage_readpage[s]
Documentation/filesystems/fscrypt.rst | 4 +-
arch/mips/configs/generic_defconfig | 2 +-
arch/nds32/configs/defconfig | 2 +-
arch/s390/configs/debug_defconfig | 2 +-
arch/s390/configs/performance_defconfig | 2 +-
fs/Makefile | 3 +-
fs/crypto/Kconfig | 5 +-
fs/crypto/bio.c | 21 +-
fs/crypto/crypto.c | 1 +
fs/crypto/fscrypt_private.h | 4 +-
fs/ext4/Kconfig | 15 -
fs/ext4/Makefile | 2 +-
fs/ext4/dir.c | 10 +-
fs/ext4/ext4.h | 14 +-
fs/ext4/ext4_jbd2.h | 2 +-
fs/ext4/extents.c | 4 +-
fs/ext4/ialloc.c | 2 +-
fs/ext4/inode.c | 29 +-
fs/ext4/ioctl.c | 4 +-
fs/ext4/move_extent.c | 3 +-
fs/ext4/namei.c | 18 +-
fs/ext4/page-io.c | 9 +-
fs/ext4/readpage.c | 444 ------------------------
fs/ext4/super.c | 43 ++-
fs/ext4/sysfs.c | 4 +-
fs/f2fs/Kconfig | 12 +-
fs/f2fs/data.c | 4 +-
fs/f2fs/dir.c | 10 +-
fs/f2fs/f2fs.h | 14 +-
fs/f2fs/file.c | 10 +-
fs/f2fs/inode.c | 4 +-
fs/f2fs/namei.c | 6 +-
fs/f2fs/super.c | 8 +-
fs/f2fs/sysfs.c | 4 +-
fs/mpage.c | 77 +++-
fs/post_read_process.c | 128 +++++++
fs/ubifs/Kconfig | 12 +-
fs/ubifs/Makefile | 2 +-
fs/ubifs/ioctl.c | 4 +-
fs/ubifs/sb.c | 2 +-
fs/ubifs/super.c | 2 +-
fs/ubifs/ubifs.h | 5 +-
fs/verity/verify.c | 12 +
include/linux/blk_types.h | 2 +
include/linux/fs.h | 4 +-
include/linux/fscrypt.h | 405 ++++++++++++++++++++-
include/linux/fscrypt_notsupp.h | 231 ------------
include/linux/fscrypt_supp.h | 204 -----------
include/linux/fsverity.h | 3 +
include/linux/post_read_process.h | 21 ++
50 files changed, 757 insertions(+), 1078 deletions(-)
delete mode 100644 fs/ext4/readpage.c
create mode 100644 fs/post_read_process.c
delete mode 100644 include/linux/fscrypt_notsupp.h
delete mode 100644 include/linux/fscrypt_supp.h
create mode 100644 include/linux/post_read_process.h
--
2.19.1
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