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