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v6.1.146
linux-yocto/fs/jbd2/Kconfig
Thomas Gleixner ec8f24b7fa treewide: Add SPDX license identifier - Makefile/Kconfig 
Add SPDX license identifiers to all Make/Kconfig files which:

 - Have no license information of any form

These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:

  GPL-2.0-only

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 10:50:46 +02:00

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SPDX-License-Identifier: GPL-2.0-only

config JBD2 tristate select CRC32 select CRYPTO select CRYPTO_CRC32C help This is a generic journaling layer for block devices that support both 32-bit and 64-bit block numbers. It is currently used by the ext4 and OCFS2 filesystems, but it could also be used to add journal support to other file systems or block devices such as RAID or LVM.

  If you are using ext4 or OCFS2, you need to say Y here.
  If you are not using ext4 or OCFS2 then you will
  probably want to say N.

  To compile this device as a module, choose M here. The module will be
  called jbd2.  If you are compiling ext4 or OCFS2 into the kernel,
  you cannot compile this code as a module.

config JBD2_DEBUG bool "JBD2 (ext4) debugging support" depends on JBD2 help If you are using the ext4 journaled file system (or potentially any other filesystem/device using JBD2), this option allows you to enable debugging output while the system is running, in order to help track down any problems you are having. By default, the debugging output will be turned off.

  If you select Y here, then you will be able to turn on debugging
  with "echo N > /sys/module/jbd2/parameters/jbd2_debug", where N is a
  number between 1 and 5. The higher the number, the more debugging
  output is generated.  To turn debugging off again, do
  "echo 0 > /sys/module/jbd2/parameters/jbd2_debug".