1 # SPDX-License-Identifier: GPL-2.0-only
2 config JBD2
3 tristate
4 select CRC32
5 select CRYPTO
6 select CRYPTO_CRC32C
7 help
8 This is a generic journaling layer f
9 both 32-bit and 64-bit block numbers
10 the ext4 and OCFS2 filesystems, but
11 journal support to other file system
12 as RAID or LVM.
13
14 If you are using ext4 or OCFS2, you
15 If you are not using ext4 or OCFS2 t
16 probably want to say N.
17
18 To compile this device as a module,
19 called jbd2. If you are compiling e
20 you cannot compile this code as a mo
21
22 config JBD2_DEBUG
23 bool "JBD2 (ext4) debugging support"
24 depends on JBD2
25 help
26 If you are using the ext4 journaled
27 potentially any other filesystem/dev
28 allows you to enable debugging outpu
29 in order to help track down any prob
30 By default, the debugging output wil
31
32 If you select Y here, then you will
33 with "echo N > /sys/module/jbd2/para
34 number between 1 and 5. The higher t
35 output is generated. To turn debugg
36 "echo 0 > /sys/module/jbd2/parameter
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