fs/Kconfig: move ext2, ext3, ext4, JBD, JBD2 out

+5 -267

fs/Kconfig

··· 6 6 7 7 if BLOCK 8 8 9 - config EXT2_FS 10 - tristate "Second extended fs support" 11 - help 12 - Ext2 is a standard Linux file system for hard disks. 13 - 14 - To compile this file system support as a module, choose M here: the 15 - module will be called ext2. 16 - 17 - If unsure, say Y. 18 - 19 - config EXT2_FS_XATTR 20 - bool "Ext2 extended attributes" 21 - depends on EXT2_FS 22 - help 23 - Extended attributes are name:value pairs associated with inodes by 24 - the kernel or by users (see the attr(5) manual page, or visit 25 - <http://acl.bestbits.at/> for details). 26 - 27 - If unsure, say N. 28 - 29 - config EXT2_FS_POSIX_ACL 30 - bool "Ext2 POSIX Access Control Lists" 31 - depends on EXT2_FS_XATTR 32 - select FS_POSIX_ACL 33 - help 34 - Posix Access Control Lists (ACLs) support permissions for users and 35 - groups beyond the owner/group/world scheme. 36 - 37 - To learn more about Access Control Lists, visit the Posix ACLs for 38 - Linux website <http://acl.bestbits.at/>. 39 - 40 - If you don't know what Access Control Lists are, say N 41 - 42 - config EXT2_FS_SECURITY 43 - bool "Ext2 Security Labels" 44 - depends on EXT2_FS_XATTR 45 - help 46 - Security labels support alternative access control models 47 - implemented by security modules like SELinux. This option 48 - enables an extended attribute handler for file security 49 - labels in the ext2 filesystem. 50 - 51 - If you are not using a security module that requires using 52 - extended attributes for file security labels, say N. 53 - 54 - config EXT2_FS_XIP 55 - bool "Ext2 execute in place support" 56 - depends on EXT2_FS && MMU 57 - help 58 - Execute in place can be used on memory-backed block devices. If you 59 - enable this option, you can select to mount block devices which are 60 - capable of this feature without using the page cache. 61 - 62 - If you do not use a block device that is capable of using this, 63 - or if unsure, say N. 9 + source "fs/ext2/Kconfig" 10 + source "fs/ext3/Kconfig" 11 + source "fs/ext4/Kconfig" 64 12 65 13 config FS_XIP 66 14 # execute in place ··· 16 68 depends on EXT2_FS_XIP 17 69 default y 18 70 19 - config EXT3_FS 20 - tristate "Ext3 journalling file system support" 21 - select JBD 22 - help 23 - This is the journalling version of the Second extended file system 24 - (often called ext3), the de facto standard Linux file system 25 - (method to organize files on a storage device) for hard disks. 26 - 27 - The journalling code included in this driver means you do not have 28 - to run e2fsck (file system checker) on your file systems after a 29 - crash. The journal keeps track of any changes that were being made 30 - at the time the system crashed, and can ensure that your file system 31 - is consistent without the need for a lengthy check. 32 - 33 - Other than adding the journal to the file system, the on-disk format 34 - of ext3 is identical to ext2. It is possible to freely switch 35 - between using the ext3 driver and the ext2 driver, as long as the 36 - file system has been cleanly unmounted, or e2fsck is run on the file 37 - system. 38 - 39 - To add a journal on an existing ext2 file system or change the 40 - behavior of ext3 file systems, you can use the tune2fs utility ("man 41 - tune2fs"). To modify attributes of files and directories on ext3 42 - file systems, use chattr ("man chattr"). You need to be using 43 - e2fsprogs version 1.20 or later in order to create ext3 journals 44 - (available at <http://sourceforge.net/projects/e2fsprogs/>). 45 - 46 - To compile this file system support as a module, choose M here: the 47 - module will be called ext3. 48 - 49 - config EXT3_FS_XATTR 50 - bool "Ext3 extended attributes" 51 - depends on EXT3_FS 52 - default y 53 - help 54 - Extended attributes are name:value pairs associated with inodes by 55 - the kernel or by users (see the attr(5) manual page, or visit 56 - <http://acl.bestbits.at/> for details). 57 - 58 - If unsure, say N. 59 - 60 - You need this for POSIX ACL support on ext3. 61 - 62 - config EXT3_FS_POSIX_ACL 63 - bool "Ext3 POSIX Access Control Lists" 64 - depends on EXT3_FS_XATTR 65 - select FS_POSIX_ACL 66 - help 67 - Posix Access Control Lists (ACLs) support permissions for users and 68 - groups beyond the owner/group/world scheme. 69 - 70 - To learn more about Access Control Lists, visit the Posix ACLs for 71 - Linux website <http://acl.bestbits.at/>. 72 - 73 - If you don't know what Access Control Lists are, say N 74 - 75 - config EXT3_FS_SECURITY 76 - bool "Ext3 Security Labels" 77 - depends on EXT3_FS_XATTR 78 - help 79 - Security labels support alternative access control models 80 - implemented by security modules like SELinux. This option 81 - enables an extended attribute handler for file security 82 - labels in the ext3 filesystem. 83 - 84 - If you are not using a security module that requires using 85 - extended attributes for file security labels, say N. 86 - 87 - config EXT4_FS 88 - tristate "The Extended 4 (ext4) filesystem" 89 - select JBD2 90 - select CRC16 91 - help 92 - This is the next generation of the ext3 filesystem. 93 - 94 - Unlike the change from ext2 filesystem to ext3 filesystem, 95 - the on-disk format of ext4 is not forwards compatible with 96 - ext3; it is based on extent maps and it supports 48-bit 97 - physical block numbers. The ext4 filesystem also supports delayed 98 - allocation, persistent preallocation, high resolution time stamps, 99 - and a number of other features to improve performance and speed 100 - up fsck time. For more information, please see the web pages at 101 - http://ext4.wiki.kernel.org. 102 - 103 - The ext4 filesystem will support mounting an ext3 104 - filesystem; while there will be some performance gains from 105 - the delayed allocation and inode table readahead, the best 106 - performance gains will require enabling ext4 features in the 107 - filesystem, or formating a new filesystem as an ext4 108 - filesystem initially. 109 - 110 - To compile this file system support as a module, choose M here. The 111 - module will be called ext4. 112 - 113 - If unsure, say N. 114 - 115 - config EXT4DEV_COMPAT 116 - bool "Enable ext4dev compatibility" 117 - depends on EXT4_FS 118 - help 119 - Starting with 2.6.28, the name of the ext4 filesystem was 120 - renamed from ext4dev to ext4. Unfortunately there are some 121 - legacy userspace programs (such as klibc's fstype) have 122 - "ext4dev" hardcoded. 123 - 124 - To enable backwards compatibility so that systems that are 125 - still expecting to mount ext4 filesystems using ext4dev, 126 - chose Y here. This feature will go away by 2.6.31, so 127 - please arrange to get your userspace programs fixed! 128 - 129 - config EXT4_FS_XATTR 130 - bool "Ext4 extended attributes" 131 - depends on EXT4_FS 132 - default y 133 - help 134 - Extended attributes are name:value pairs associated with inodes by 135 - the kernel or by users (see the attr(5) manual page, or visit 136 - <http://acl.bestbits.at/> for details). 137 - 138 - If unsure, say N. 139 - 140 - You need this for POSIX ACL support on ext4. 141 - 142 - config EXT4_FS_POSIX_ACL 143 - bool "Ext4 POSIX Access Control Lists" 144 - depends on EXT4_FS_XATTR 145 - select FS_POSIX_ACL 146 - help 147 - POSIX Access Control Lists (ACLs) support permissions for users and 148 - groups beyond the owner/group/world scheme. 149 - 150 - To learn more about Access Control Lists, visit the POSIX ACLs for 151 - Linux website <http://acl.bestbits.at/>. 152 - 153 - If you don't know what Access Control Lists are, say N 154 - 155 - config EXT4_FS_SECURITY 156 - bool "Ext4 Security Labels" 157 - depends on EXT4_FS_XATTR 158 - help 159 - Security labels support alternative access control models 160 - implemented by security modules like SELinux. This option 161 - enables an extended attribute handler for file security 162 - labels in the ext4 filesystem. 163 - 164 - If you are not using a security module that requires using 165 - extended attributes for file security labels, say N. 166 - 167 - config JBD 168 - tristate 169 - help 170 - This is a generic journalling layer for block devices. It is 171 - currently used by the ext3 file system, but it could also be 172 - used to add journal support to other file systems or block 173 - devices such as RAID or LVM. 174 - 175 - If you are using the ext3 file system, you need to say Y here. 176 - If you are not using ext3 then you will probably want to say N. 177 - 178 - To compile this device as a module, choose M here: the module will be 179 - called jbd. If you are compiling ext3 into the kernel, you 180 - cannot compile this code as a module. 181 - 182 - config JBD_DEBUG 183 - bool "JBD (ext3) debugging support" 184 - depends on JBD && DEBUG_FS 185 - help 186 - If you are using the ext3 journaled file system (or potentially any 187 - other file system/device using JBD), this option allows you to 188 - enable debugging output while the system is running, in order to 189 - help track down any problems you are having. By default the 190 - debugging output will be turned off. 191 - 192 - If you select Y here, then you will be able to turn on debugging 193 - with "echo N > /sys/kernel/debug/jbd/jbd-debug", where N is a 194 - number between 1 and 5, the higher the number, the more debugging 195 - output is generated. To turn debugging off again, do 196 - "echo 0 > /sys/kernel/debug/jbd/jbd-debug". 197 - 198 - config JBD2 199 - tristate 200 - select CRC32 201 - help 202 - This is a generic journaling layer for block devices that support 203 - both 32-bit and 64-bit block numbers. It is currently used by 204 - the ext4 and OCFS2 filesystems, but it could also be used to add 205 - journal support to other file systems or block devices such 206 - as RAID or LVM. 207 - 208 - If you are using ext4 or OCFS2, you need to say Y here. 209 - If you are not using ext4 or OCFS2 then you will 210 - probably want to say N. 211 - 212 - To compile this device as a module, choose M here. The module will be 213 - called jbd2. If you are compiling ext4 or OCFS2 into the kernel, 214 - you cannot compile this code as a module. 215 - 216 - config JBD2_DEBUG 217 - bool "JBD2 (ext4) debugging support" 218 - depends on JBD2 && DEBUG_FS 219 - help 220 - If you are using the ext4 journaled file system (or 221 - potentially any other filesystem/device using JBD2), this option 222 - allows you to enable debugging output while the system is running, 223 - in order to help track down any problems you are having. 224 - By default, the debugging output will be turned off. 225 - 226 - If you select Y here, then you will be able to turn on debugging 227 - with "echo N > /sys/kernel/debug/jbd2/jbd2-debug", where N is a 228 - number between 1 and 5. The higher the number, the more debugging 229 - output is generated. To turn debugging off again, do 230 - "echo 0 > /sys/kernel/debug/jbd2/jbd2-debug". 71 + source "fs/jbd/Kconfig" 72 + source "fs/jbd2/Kconfig" 231 73 232 74 config FS_MBCACHE 233 75 # Meta block cache for Extended Attributes (ext2/ext3/ext4)

+55

fs/ext2/Kconfig

··· 1 + config EXT2_FS 2 + tristate "Second extended fs support" 3 + help 4 + Ext2 is a standard Linux file system for hard disks. 5 + 6 + To compile this file system support as a module, choose M here: the 7 + module will be called ext2. 8 + 9 + If unsure, say Y. 10 + 11 + config EXT2_FS_XATTR 12 + bool "Ext2 extended attributes" 13 + depends on EXT2_FS 14 + help 15 + Extended attributes are name:value pairs associated with inodes by 16 + the kernel or by users (see the attr(5) manual page, or visit 17 + <http://acl.bestbits.at/> for details). 18 + 19 + If unsure, say N. 20 + 21 + config EXT2_FS_POSIX_ACL 22 + bool "Ext2 POSIX Access Control Lists" 23 + depends on EXT2_FS_XATTR 24 + select FS_POSIX_ACL 25 + help 26 + Posix Access Control Lists (ACLs) support permissions for users and 27 + groups beyond the owner/group/world scheme. 28 + 29 + To learn more about Access Control Lists, visit the Posix ACLs for 30 + Linux website <http://acl.bestbits.at/>. 31 + 32 + If you don't know what Access Control Lists are, say N 33 + 34 + config EXT2_FS_SECURITY 35 + bool "Ext2 Security Labels" 36 + depends on EXT2_FS_XATTR 37 + help 38 + Security labels support alternative access control models 39 + implemented by security modules like SELinux. This option 40 + enables an extended attribute handler for file security 41 + labels in the ext2 filesystem. 42 + 43 + If you are not using a security module that requires using 44 + extended attributes for file security labels, say N. 45 + 46 + config EXT2_FS_XIP 47 + bool "Ext2 execute in place support" 48 + depends on EXT2_FS && MMU 49 + help 50 + Execute in place can be used on memory-backed block devices. If you 51 + enable this option, you can select to mount block devices which are 52 + capable of this feature without using the page cache. 53 + 54 + If you do not use a block device that is capable of using this, 55 + or if unsure, say N.

+67

fs/ext3/Kconfig

··· 1 + config EXT3_FS 2 + tristate "Ext3 journalling file system support" 3 + select JBD 4 + help 5 + This is the journalling version of the Second extended file system 6 + (often called ext3), the de facto standard Linux file system 7 + (method to organize files on a storage device) for hard disks. 8 + 9 + The journalling code included in this driver means you do not have 10 + to run e2fsck (file system checker) on your file systems after a 11 + crash. The journal keeps track of any changes that were being made 12 + at the time the system crashed, and can ensure that your file system 13 + is consistent without the need for a lengthy check. 14 + 15 + Other than adding the journal to the file system, the on-disk format 16 + of ext3 is identical to ext2. It is possible to freely switch 17 + between using the ext3 driver and the ext2 driver, as long as the 18 + file system has been cleanly unmounted, or e2fsck is run on the file 19 + system. 20 + 21 + To add a journal on an existing ext2 file system or change the 22 + behavior of ext3 file systems, you can use the tune2fs utility ("man 23 + tune2fs"). To modify attributes of files and directories on ext3 24 + file systems, use chattr ("man chattr"). You need to be using 25 + e2fsprogs version 1.20 or later in order to create ext3 journals 26 + (available at <http://sourceforge.net/projects/e2fsprogs/>). 27 + 28 + To compile this file system support as a module, choose M here: the 29 + module will be called ext3. 30 + 31 + config EXT3_FS_XATTR 32 + bool "Ext3 extended attributes" 33 + depends on EXT3_FS 34 + default y 35 + help 36 + Extended attributes are name:value pairs associated with inodes by 37 + the kernel or by users (see the attr(5) manual page, or visit 38 + <http://acl.bestbits.at/> for details). 39 + 40 + If unsure, say N. 41 + 42 + You need this for POSIX ACL support on ext3. 43 + 44 + config EXT3_FS_POSIX_ACL 45 + bool "Ext3 POSIX Access Control Lists" 46 + depends on EXT3_FS_XATTR 47 + select FS_POSIX_ACL 48 + help 49 + Posix Access Control Lists (ACLs) support permissions for users and 50 + groups beyond the owner/group/world scheme. 51 + 52 + To learn more about Access Control Lists, visit the Posix ACLs for 53 + Linux website <http://acl.bestbits.at/>. 54 + 55 + If you don't know what Access Control Lists are, say N 56 + 57 + config EXT3_FS_SECURITY 58 + bool "Ext3 Security Labels" 59 + depends on EXT3_FS_XATTR 60 + help 61 + Security labels support alternative access control models 62 + implemented by security modules like SELinux. This option 63 + enables an extended attribute handler for file security 64 + labels in the ext3 filesystem. 65 + 66 + If you are not using a security module that requires using 67 + extended attributes for file security labels, say N.

+79

fs/ext4/Kconfig

··· 1 + config EXT4_FS 2 + tristate "The Extended 4 (ext4) filesystem" 3 + select JBD2 4 + select CRC16 5 + help 6 + This is the next generation of the ext3 filesystem. 7 + 8 + Unlike the change from ext2 filesystem to ext3 filesystem, 9 + the on-disk format of ext4 is not forwards compatible with 10 + ext3; it is based on extent maps and it supports 48-bit 11 + physical block numbers. The ext4 filesystem also supports delayed 12 + allocation, persistent preallocation, high resolution time stamps, 13 + and a number of other features to improve performance and speed 14 + up fsck time. For more information, please see the web pages at 15 + http://ext4.wiki.kernel.org. 16 + 17 + The ext4 filesystem will support mounting an ext3 18 + filesystem; while there will be some performance gains from 19 + the delayed allocation and inode table readahead, the best 20 + performance gains will require enabling ext4 features in the 21 + filesystem, or formating a new filesystem as an ext4 22 + filesystem initially. 23 + 24 + To compile this file system support as a module, choose M here. The 25 + module will be called ext4. 26 + 27 + If unsure, say N. 28 + 29 + config EXT4DEV_COMPAT 30 + bool "Enable ext4dev compatibility" 31 + depends on EXT4_FS 32 + help 33 + Starting with 2.6.28, the name of the ext4 filesystem was 34 + renamed from ext4dev to ext4. Unfortunately there are some 35 + legacy userspace programs (such as klibc's fstype) have 36 + "ext4dev" hardcoded. 37 + 38 + To enable backwards compatibility so that systems that are 39 + still expecting to mount ext4 filesystems using ext4dev, 40 + chose Y here. This feature will go away by 2.6.31, so 41 + please arrange to get your userspace programs fixed! 42 + 43 + config EXT4_FS_XATTR 44 + bool "Ext4 extended attributes" 45 + depends on EXT4_FS 46 + default y 47 + help 48 + Extended attributes are name:value pairs associated with inodes by 49 + the kernel or by users (see the attr(5) manual page, or visit 50 + <http://acl.bestbits.at/> for details). 51 + 52 + If unsure, say N. 53 + 54 + You need this for POSIX ACL support on ext4. 55 + 56 + config EXT4_FS_POSIX_ACL 57 + bool "Ext4 POSIX Access Control Lists" 58 + depends on EXT4_FS_XATTR 59 + select FS_POSIX_ACL 60 + help 61 + POSIX Access Control Lists (ACLs) support permissions for users and 62 + groups beyond the owner/group/world scheme. 63 + 64 + To learn more about Access Control Lists, visit the POSIX ACLs for 65 + Linux website <http://acl.bestbits.at/>. 66 + 67 + If you don't know what Access Control Lists are, say N 68 + 69 + config EXT4_FS_SECURITY 70 + bool "Ext4 Security Labels" 71 + depends on EXT4_FS_XATTR 72 + help 73 + Security labels support alternative access control models 74 + implemented by security modules like SELinux. This option 75 + enables an extended attribute handler for file security 76 + labels in the ext4 filesystem. 77 + 78 + If you are not using a security module that requires using 79 + extended attributes for file security labels, say N.

+30

fs/jbd/Kconfig

··· 1 + config JBD 2 + tristate 3 + help 4 + This is a generic journalling layer for block devices. It is 5 + currently used by the ext3 file system, but it could also be 6 + used to add journal support to other file systems or block 7 + devices such as RAID or LVM. 8 + 9 + If you are using the ext3 file system, you need to say Y here. 10 + If you are not using ext3 then you will probably want to say N. 11 + 12 + To compile this device as a module, choose M here: the module will be 13 + called jbd. If you are compiling ext3 into the kernel, you 14 + cannot compile this code as a module. 15 + 16 + config JBD_DEBUG 17 + bool "JBD (ext3) debugging support" 18 + depends on JBD && DEBUG_FS 19 + help 20 + If you are using the ext3 journaled file system (or potentially any 21 + other file system/device using JBD), this option allows you to 22 + enable debugging output while the system is running, in order to 23 + help track down any problems you are having. By default the 24 + debugging output will be turned off. 25 + 26 + If you select Y here, then you will be able to turn on debugging 27 + with "echo N > /sys/kernel/debug/jbd/jbd-debug", where N is a 28 + number between 1 and 5, the higher the number, the more debugging 29 + output is generated. To turn debugging off again, do 30 + "echo 0 > /sys/kernel/debug/jbd/jbd-debug".

+33

fs/jbd2/Kconfig

··· 1 + config JBD2 2 + tristate 3 + select CRC32 4 + help 5 + This is a generic journaling layer for block devices that support 6 + both 32-bit and 64-bit block numbers. It is currently used by 7 + the ext4 and OCFS2 filesystems, but it could also be used to add 8 + journal support to other file systems or block devices such 9 + as RAID or LVM. 10 + 11 + If you are using ext4 or OCFS2, you need to say Y here. 12 + If you are not using ext4 or OCFS2 then you will 13 + probably want to say N. 14 + 15 + To compile this device as a module, choose M here. The module will be 16 + called jbd2. If you are compiling ext4 or OCFS2 into the kernel, 17 + you cannot compile this code as a module. 18 + 19 + config JBD2_DEBUG 20 + bool "JBD2 (ext4) debugging support" 21 + depends on JBD2 && DEBUG_FS 22 + help 23 + If you are using the ext4 journaled file system (or 24 + potentially any other filesystem/device using JBD2), this option 25 + allows you to enable debugging output while the system is running, 26 + in order to help track down any problems you are having. 27 + By default, the debugging output will be turned off. 28 + 29 + If you select Y here, then you will be able to turn on debugging 30 + with "echo N > /sys/kernel/debug/jbd2/jbd2-debug", where N is a 31 + number between 1 and 5. The higher the number, the more debugging 32 + output is generated. To turn debugging off again, do 33 + "echo 0 > /sys/kernel/debug/jbd2/jbd2-debug".