1 # SPDX-License-Identifier: GPL-2.0-only 1 # SPDX-License-Identifier: GPL-2.0-only
2 config OCFS2_FS 2 config OCFS2_FS
3 tristate "OCFS2 file system support" 3 tristate "OCFS2 file system support"
4 depends on INET && SYSFS && CONFIGFS_F 4 depends on INET && SYSFS && CONFIGFS_FS
5 select BUFFER_HEAD 5 select BUFFER_HEAD
6 select JBD2 6 select JBD2
7 select CRC32 7 select CRC32
8 select QUOTA 8 select QUOTA
9 select QUOTA_TREE 9 select QUOTA_TREE
10 select FS_POSIX_ACL 10 select FS_POSIX_ACL
11 select LEGACY_DIRECT_IO 11 select LEGACY_DIRECT_IO
12 help 12 help
13 OCFS2 is a general purpose extent ba 13 OCFS2 is a general purpose extent based shared disk cluster file
14 system with many similarities to ext 14 system with many similarities to ext3. It supports 64 bit inode
15 numbers, and has automatically exten 15 numbers, and has automatically extending metadata groups which may
16 also make it attractive for non-clus 16 also make it attractive for non-clustered use.
17 17
18 You'll want to install the ocfs2-too 18 You'll want to install the ocfs2-tools package in order to at least
19 get "mount.ocfs2". 19 get "mount.ocfs2".
20 20
21 Project web page: https://ocfs2.w 21 Project web page: https://ocfs2.wiki.kernel.org/
22 Tools web page: https://github. 22 Tools web page: https://github.com/markfasheh/ocfs2-tools
23 OCFS2 mailing lists: https://subspac 23 OCFS2 mailing lists: https://subspace.kernel.org/lists.linux.dev.html
24 24
25 For more information on OCFS2, see t 25 For more information on OCFS2, see the file
26 <file:Documentation/filesystems/ocfs 26 <file:Documentation/filesystems/ocfs2.rst>.
27 27
28 config OCFS2_FS_O2CB 28 config OCFS2_FS_O2CB
29 tristate "O2CB Kernelspace Clustering" 29 tristate "O2CB Kernelspace Clustering"
30 depends on OCFS2_FS 30 depends on OCFS2_FS
31 default y 31 default y
32 help 32 help
33 OCFS2 includes a simple kernelspace 33 OCFS2 includes a simple kernelspace clustering package, the OCFS2
34 Cluster Base. It only requires a ve 34 Cluster Base. It only requires a very small userspace component
35 to configure it. This comes with the 35 to configure it. This comes with the standard ocfs2-tools package.
36 O2CB is limited to maintaining a clu 36 O2CB is limited to maintaining a cluster for OCFS2 file systems.
37 It cannot manage any other cluster a 37 It cannot manage any other cluster applications.
38 38
39 It is always safe to say Y here, as 39 It is always safe to say Y here, as the clustering method is
40 run-time selectable. 40 run-time selectable.
41 41
42 config OCFS2_FS_USERSPACE_CLUSTER 42 config OCFS2_FS_USERSPACE_CLUSTER
43 tristate "OCFS2 Userspace Clustering" 43 tristate "OCFS2 Userspace Clustering"
44 depends on OCFS2_FS && DLM 44 depends on OCFS2_FS && DLM
45 default y 45 default y
46 help 46 help
47 This option will allow OCFS2 to use 47 This option will allow OCFS2 to use userspace clustering services
48 in conjunction with the DLM in fs/dl 48 in conjunction with the DLM in fs/dlm. If you are using a
49 userspace cluster manager, say Y her 49 userspace cluster manager, say Y here.
50 50
51 It is safe to say Y, as the clusteri 51 It is safe to say Y, as the clustering method is run-time
52 selectable. 52 selectable.
53 53
54 config OCFS2_FS_STATS 54 config OCFS2_FS_STATS
55 bool "OCFS2 statistics" 55 bool "OCFS2 statistics"
56 depends on OCFS2_FS && DEBUG_FS 56 depends on OCFS2_FS && DEBUG_FS
57 default y 57 default y
58 help 58 help
59 This option allows some fs statistic 59 This option allows some fs statistics to be captured. Enabling
60 this option may increase the memory 60 this option may increase the memory consumption.
61 61
62 config OCFS2_DEBUG_MASKLOG 62 config OCFS2_DEBUG_MASKLOG
63 bool "OCFS2 logging support" 63 bool "OCFS2 logging support"
64 depends on OCFS2_FS 64 depends on OCFS2_FS
65 default y 65 default y
66 help 66 help
67 The ocfs2 filesystem has an extensiv 67 The ocfs2 filesystem has an extensive logging system. The system
68 allows selection of events to log vi 68 allows selection of events to log via files in /sys/o2cb/logmask/.
69 This option will enlarge your kernel 69 This option will enlarge your kernel, but it allows debugging of
70 ocfs2 filesystem issues. 70 ocfs2 filesystem issues.
71 71
72 config OCFS2_DEBUG_FS 72 config OCFS2_DEBUG_FS
73 bool "OCFS2 expensive checks" 73 bool "OCFS2 expensive checks"
74 depends on OCFS2_FS 74 depends on OCFS2_FS
75 default n 75 default n
76 help 76 help
77 This option will enable expensive co 77 This option will enable expensive consistency checks. Enable
78 this option for debugging only as it 78 this option for debugging only as it is likely to decrease
79 performance of the filesystem. 79 performance of the filesystem.
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.