diff options
| -rw-r--r-- | fs/Kconfig | 272 | ||||
| -rw-r--r-- | fs/ext2/Kconfig | 55 | ||||
| -rw-r--r-- | fs/ext3/Kconfig | 67 | ||||
| -rw-r--r-- | fs/ext4/Kconfig | 79 | ||||
| -rw-r--r-- | fs/jbd/Kconfig | 30 | ||||
| -rw-r--r-- | fs/jbd2/Kconfig | 33 |
6 files changed, 269 insertions, 267 deletions
diff --git a/fs/Kconfig b/fs/Kconfig index 4eca61c201f0..e282002b94d2 100644 --- a/fs/Kconfig +++ b/fs/Kconfig | |||
| @@ -6,61 +6,9 @@ menu "File systems" | |||
| 6 | 6 | ||
| 7 | if BLOCK | 7 | if BLOCK |
| 8 | 8 | ||
| 9 | config EXT2_FS | 9 | source "fs/ext2/Kconfig" |
| 10 | tristate "Second extended fs support" | 10 | source "fs/ext3/Kconfig" |
| 11 | help | 11 | source "fs/ext4/Kconfig" |
| 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. | ||
| 64 | 12 | ||
| 65 | config FS_XIP | 13 | config FS_XIP |
| 66 | # execute in place | 14 | # execute in place |
| @@ -68,218 +16,8 @@ config FS_XIP | |||
| 68 | depends on EXT2_FS_XIP | 16 | depends on EXT2_FS_XIP |
| 69 | default y | 17 | default y |
| 70 | 18 | ||
| 71 | config EXT3_FS | 19 | source "fs/jbd/Kconfig" |
| 72 | tristate "Ext3 journalling file system support" | 20 | source "fs/jbd2/Kconfig" |
| 73 | select JBD | ||
| 74 | help | ||
| 75 | This is the journalling version of the Second extended file system | ||
| 76 | (often called ext3), the de facto standard Linux file system | ||
| 77 | (method to organize files on a storage device) for hard disks. | ||
| 78 | |||
| 79 | The journalling code included in this driver means you do not have | ||
| 80 | to run e2fsck (file system checker) on your file systems after a | ||
| 81 | crash. The journal keeps track of any changes that were being made | ||
| 82 | at the time the system crashed, and can ensure that your file system | ||
| 83 | is consistent without the need for a lengthy check. | ||
| 84 | |||
| 85 | Other than adding the journal to the file system, the on-disk format | ||
| 86 | of ext3 is identical to ext2. It is possible to freely switch | ||
| 87 | between using the ext3 driver and the ext2 driver, as long as the | ||
| 88 | file system has been cleanly unmounted, or e2fsck is run on the file | ||
| 89 | system. | ||
| 90 | |||
| 91 | To add a journal on an existing ext2 file system or change the | ||
| 92 | behavior of ext3 file systems, you can use the tune2fs utility ("man | ||
| 93 | tune2fs"). To modify attributes of files and directories on ext3 | ||
| 94 | file systems, use chattr ("man chattr"). You need to be using | ||
| 95 | e2fsprogs version 1.20 or later in order to create ext3 journals | ||
| 96 | (available at <http://sourceforge.net/projects/e2fsprogs/>). | ||
| 97 | |||
| 98 | To compile this file system support as a module, choose M here: the | ||
| 99 | module will be called ext3. | ||
| 100 | |||
| 101 | config EXT3_FS_XATTR | ||
| 102 | bool "Ext3 extended attributes" | ||
| 103 | depends on EXT3_FS | ||
| 104 | default y | ||
| 105 | help | ||
| 106 | Extended attributes are name:value pairs associated with inodes by | ||
| 107 | the kernel or by users (see the attr(5) manual page, or visit | ||
| 108 | <http://acl.bestbits.at/> for details). | ||
| 109 | |||
| 110 | If unsure, say N. | ||
| 111 | |||
| 112 | You need this for POSIX ACL support on ext3. | ||
| 113 | |||
| 114 | config EXT3_FS_POSIX_ACL | ||
| 115 | bool "Ext3 POSIX Access Control Lists" | ||
| 116 | depends on EXT3_FS_XATTR | ||
| 117 | select FS_POSIX_ACL | ||
| 118 | help | ||
| 119 | Posix Access Control Lists (ACLs) support permissions for users and | ||
| 120 | groups beyond the owner/group/world scheme. | ||
| 121 | |||
| 122 | To learn more about Access Control Lists, visit the Posix ACLs for | ||
| 123 | Linux website <http://acl.bestbits.at/>. | ||
| 124 | |||
| 125 | If you don't know what Access Control Lists are, say N | ||
| 126 | |||
| 127 | config EXT3_FS_SECURITY | ||
| 128 | bool "Ext3 Security Labels" | ||
| 129 | depends on EXT3_FS_XATTR | ||
| 130 | help | ||
| 131 | Security labels support alternative access control models | ||
| 132 | implemented by security modules like SELinux. This option | ||
| 133 | enables an extended attribute handler for file security | ||
| 134 | labels in the ext3 filesystem. | ||
| 135 | |||
| 136 | If you are not using a security module that requires using | ||
| 137 | extended attributes for file security labels, say N. | ||
| 138 | |||
| 139 | config EXT4_FS | ||
| 140 | tristate "The Extended 4 (ext4) filesystem" | ||
| 141 | select JBD2 | ||
| 142 | select CRC16 | ||
| 143 | help | ||
| 144 | This is the next generation of the ext3 filesystem. | ||
| 145 | |||
| 146 | Unlike the change from ext2 filesystem to ext3 filesystem, | ||
| 147 | the on-disk format of ext4 is not forwards compatible with | ||
| 148 | ext3; it is based on extent maps and it supports 48-bit | ||
| 149 | physical block numbers. The ext4 filesystem also supports delayed | ||
| 150 | allocation, persistent preallocation, high resolution time stamps, | ||
| 151 | and a number of other features to improve performance and speed | ||
| 152 | up fsck time. For more information, please see the web pages at | ||
| 153 | http://ext4.wiki.kernel.org. | ||
| 154 | |||
| 155 | The ext4 filesystem will support mounting an ext3 | ||
| 156 | filesystem; while there will be some performance gains from | ||
| 157 | the delayed allocation and inode table readahead, the best | ||
| 158 | performance gains will require enabling ext4 features in the | ||
| 159 | filesystem, or formating a new filesystem as an ext4 | ||
| 160 | filesystem initially. | ||
| 161 | |||
| 162 | To compile this file system support as a module, choose M here. The | ||
| 163 | module will be called ext4. | ||
| 164 | |||
| 165 | If unsure, say N. | ||
| 166 | |||
| 167 | config EXT4DEV_COMPAT | ||
| 168 | bool "Enable ext4dev compatibility" | ||
| 169 | depends on EXT4_FS | ||
| 170 | help | ||
| 171 | Starting with 2.6.28, the name of the ext4 filesystem was | ||
| 172 | renamed from ext4dev to ext4. Unfortunately there are some | ||
| 173 | legacy userspace programs (such as klibc's fstype) have | ||
| 174 | "ext4dev" hardcoded. | ||
| 175 | |||
| 176 | To enable backwards compatibility so that systems that are | ||
| 177 | still expecting to mount ext4 filesystems using ext4dev, | ||
| 178 | chose Y here. This feature will go away by 2.6.31, so | ||
| 179 | please arrange to get your userspace programs fixed! | ||
| 180 | |||
| 181 | config EXT4_FS_XATTR | ||
| 182 | bool "Ext4 extended attributes" | ||
| 183 | depends on EXT4_FS | ||
| 184 | default y | ||
| 185 | help | ||
| 186 | Extended attributes are name:value pairs associated with inodes by | ||
| 187 | the kernel or by users (see the attr(5) manual page, or visit | ||
| 188 | <http://acl.bestbits.at/> for details). | ||
| 189 | |||
| 190 | If unsure, say N. | ||
| 191 | |||
| 192 | You need this for POSIX ACL support on ext4. | ||
| 193 | |||
| 194 | config EXT4_FS_POSIX_ACL | ||
| 195 | bool "Ext4 POSIX Access Control Lists" | ||
| 196 | depends on EXT4_FS_XATTR | ||
| 197 | select FS_POSIX_ACL | ||
| 198 | help | ||
| 199 | POSIX Access Control Lists (ACLs) support permissions for users and | ||
| 200 | groups beyond the owner/group/world scheme. | ||
| 201 | |||
| 202 | To learn more about Access Control Lists, visit the POSIX ACLs for | ||
| 203 | Linux website <http://acl.bestbits.at/>. | ||
| 204 | |||
| 205 | If you don't know what Access Control Lists are, say N | ||
| 206 | |||
| 207 | config EXT4_FS_SECURITY | ||
| 208 | bool "Ext4 Security Labels" | ||
| 209 | depends on EXT4_FS_XATTR | ||
| 210 | help | ||
| 211 | Security labels support alternative access control models | ||
| 212 | implemented by security modules like SELinux. This option | ||
| 213 | enables an extended attribute handler for file security | ||
| 214 | labels in the ext4 filesystem. | ||
| 215 | |||
| 216 | If you are not using a security module that requires using | ||
| 217 | extended attributes for file security labels, say N. | ||
| 218 | |||
| 219 | config JBD | ||
| 220 | tristate | ||
| 221 | help | ||
| 222 | This is a generic journalling layer for block devices. It is | ||
| 223 | currently used by the ext3 file system, but it could also be | ||
| 224 | used to add journal support to other file systems or block | ||
| 225 | devices such as RAID or LVM. | ||
| 226 | |||
| 227 | If you are using the ext3 file system, you need to say Y here. | ||
| 228 | If you are not using ext3 then you will probably want to say N. | ||
| 229 | |||
| 230 | To compile this device as a module, choose M here: the module will be | ||
| 231 | called jbd. If you are compiling ext3 into the kernel, you | ||
| 232 | cannot compile this code as a module. | ||
| 233 | |||
| 234 | config JBD_DEBUG | ||
| 235 | bool "JBD (ext3) debugging support" | ||
| 236 | depends on JBD && DEBUG_FS | ||
| 237 | help | ||
| 238 | If you are using the ext3 journaled file system (or potentially any | ||
| 239 | other file system/device using JBD), this option allows you to | ||
| 240 | enable debugging output while the system is running, in order to | ||
| 241 | help track down any problems you are having. By default the | ||
| 242 | debugging output will be turned off. | ||
| 243 | |||
| 244 | If you select Y here, then you will be able to turn on debugging | ||
| 245 | with "echo N > /sys/kernel/debug/jbd/jbd-debug", where N is a | ||
| 246 | number between 1 and 5, the higher the number, the more debugging | ||
| 247 | output is generated. To turn debugging off again, do | ||
| 248 | "echo 0 > /sys/kernel/debug/jbd/jbd-debug". | ||
| 249 | |||
| 250 | config JBD2 | ||
| 251 | tristate | ||
| 252 | select CRC32 | ||
| 253 | help | ||
| 254 | This is a generic journaling layer for block devices that support | ||
| 255 | both 32-bit and 64-bit block numbers. It is currently used by | ||
| 256 | the ext4 and OCFS2 filesystems, but it could also be used to add | ||
| 257 | journal support to other file systems or block devices such | ||
| 258 | as RAID or LVM. | ||
| 259 | |||
| 260 | If you are using ext4 or OCFS2, you need to say Y here. | ||
| 261 | If you are not using ext4 or OCFS2 then you will | ||
| 262 | probably want to say N. | ||
| 263 | |||
| 264 | To compile this device as a module, choose M here. The module will be | ||
| 265 | called jbd2. If you are compiling ext4 or OCFS2 into the kernel, | ||
| 266 | you cannot compile this code as a module. | ||
| 267 | |||
| 268 | config JBD2_DEBUG | ||
| 269 | bool "JBD2 (ext4) debugging support" | ||
| 270 | depends on JBD2 && DEBUG_FS | ||
| 271 | help | ||
| 272 | If you are using the ext4 journaled file system (or | ||
| 273 | potentially any other filesystem/device using JBD2), this option | ||
| 274 | allows you to enable debugging output while the system is running, | ||
| 275 | in order to help track down any problems you are having. | ||
| 276 | By default, the debugging output will be turned off. | ||
| 277 | |||
| 278 | If you select Y here, then you will be able to turn on debugging | ||
| 279 | with "echo N > /sys/kernel/debug/jbd2/jbd2-debug", where N is a | ||
| 280 | number between 1 and 5. The higher the number, the more debugging | ||
| 281 | output is generated. To turn debugging off again, do | ||
| 282 | "echo 0 > /sys/kernel/debug/jbd2/jbd2-debug". | ||
| 283 | 21 | ||
| 284 | config FS_MBCACHE | 22 | config FS_MBCACHE |
| 285 | # Meta block cache for Extended Attributes (ext2/ext3/ext4) | 23 | # Meta block cache for Extended Attributes (ext2/ext3/ext4) |
diff --git a/fs/ext2/Kconfig b/fs/ext2/Kconfig new file mode 100644 index 000000000000..14a6780fd034 --- /dev/null +++ b/fs/ext2/Kconfig | |||
| @@ -0,0 +1,55 @@ | |||
| 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. | ||
diff --git a/fs/ext3/Kconfig b/fs/ext3/Kconfig new file mode 100644 index 000000000000..8e0cfe44b0fc --- /dev/null +++ b/fs/ext3/Kconfig | |||
| @@ -0,0 +1,67 @@ | |||
| 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. | ||
diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig new file mode 100644 index 000000000000..7505482a08fa --- /dev/null +++ b/fs/ext4/Kconfig | |||
| @@ -0,0 +1,79 @@ | |||
| 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. | ||
diff --git a/fs/jbd/Kconfig b/fs/jbd/Kconfig new file mode 100644 index 000000000000..4e28beeed157 --- /dev/null +++ b/fs/jbd/Kconfig | |||
| @@ -0,0 +1,30 @@ | |||
| 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". | ||
diff --git a/fs/jbd2/Kconfig b/fs/jbd2/Kconfig new file mode 100644 index 000000000000..f32f346f4b0a --- /dev/null +++ b/fs/jbd2/Kconfig | |||
| @@ -0,0 +1,33 @@ | |||
| 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". | ||
