lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date:   Sun, 10 May 2020 11:54:40 +0530
From:   Ritesh Harjani <>
Cc:, Jan Kara <>,, "Aneesh Kumar K . V" <>,
        Ritesh Harjani <>
Subject: [RFC 00/16] ext4: mballoc/extents: Code cleanup and debug improvements

Hello All,

This series does some code refactoring/cleanups and debug logs improvements
around mb_debug() and ext_debug(). These were found when working over
improving mballoc ENOSPC handling in ext4.
These should be small and stright forward patches for reviewing.

Ritesh Harjani (16):
  ext4: mballoc: Do print bb_free info even when it is 0
  ext4: mballoc: Refactor ext4_mb_show_ac()
  ext4: mballoc: Add more mb_debug() msgs
  ext4: mballoc: Correct the mb_debug() format specifier for pa_len var
  ext4: mballoc: Fix few other format specifier in mb_debug()
  ext4: mballoc: Simplify error handling in ext4_init_mballoc()
  ext4: mballoc: Make ext4_mb_use_preallocated() return type as bool
  ext4: mballoc: Refactor code inside DOUBLE_CHECK into separate function
  ext4: mballoc: Fix possible NULL ptr & remove BUG_ONs from DOUBLE_CHECK
  ext4: balloc: Use task_pid_nr() helper
  ext4: Use BIT() macro for BH_** state bits
  ext4: Improve ext_debug() msg in case of block allocation failure
  ext4: Replace EXT_DEBUG with __maybe_unused in ext4_ext_handle_unwritten_extents()
  ext4: mballoc: Make mb_debug() implementation to use pr_debug()
  ext4: Make ext_debug() implementation to use pr_debug()
  ext4: Add process name and pid in ext4_msg()

 fs/ext4/Kconfig   |   3 +-
 fs/ext4/balloc.c  |   5 +-
 fs/ext4/ext4.h    |  26 +++--
 fs/ext4/extents.c | 150 +++++++++++++-------------
 fs/ext4/inode.c   |  15 +--
 fs/ext4/mballoc.c | 265 ++++++++++++++++++++++++++--------------------
 fs/ext4/mballoc.h |  16 ++-
 fs/ext4/super.c   |   3 +-
 8 files changed, 261 insertions(+), 222 deletions(-)


Powered by blists - more mailing lists