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Diffstat (limited to 'fs/ext3/Kconfig')
| -rw-r--r-- | fs/ext3/Kconfig | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/ext3/Kconfig b/fs/ext3/Kconfig index 8e0cfe44b0f..e8c6ba0e4a3 100644 --- a/fs/ext3/Kconfig +++ b/fs/ext3/Kconfig @@ -28,6 +28,28 @@ config EXT3_FS To compile this file system support as a module, choose M here: the module will be called ext3. +config EXT3_DEFAULTS_TO_ORDERED + bool "Default to 'data=ordered' in ext3" + depends on EXT3_FS + default y + help + The journal mode options for ext3 have different tradeoffs + between when data is guaranteed to be on disk and + performance. The use of "data=writeback" can cause + unwritten data to appear in files after an system crash or + power failure, which can be a security issue. However, + "data=ordered" mode can also result in major performance + problems, including seconds-long delays before an fsync() + call returns. For details, see: + + http://ext4.wiki.kernel.org/index.php/Ext3_data_mode_tradeoffs + + If you have been historically happy with ext3's performance, + data=ordered mode will be a safe choice and you should + answer 'y' here. If you understand the reliability and data + privacy issues of data=writeback and are willing to make + that trade off, answer 'n'. + config EXT3_FS_XATTR bool "Ext3 extended attributes" depends on EXT3_FS |