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2010-07-23ext3: default to ordered modeDave Chinner1-0/+1
data=writeback mode is dangerous as it leads to higher data loss and stale data exposure when systems crash. It should not be the default, especially when all major distros ensure their ext3 filesystems default to ordered mode. Change the default mode to the safer data=ordered mode, because we should be caring far more about avoiding stale data exposure than performance. CC: linux-ext4@vger.kernel.org Signed-off-by: Dave Chinner <dchinner@redhat.com> Acked-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Jan Kara <jack@suse.cz>
2009-08-24ext3: Update Kconfig description of EXT3_DEFAULTS_TO_ORDEREDTheodore Ts'o1-15/+17
The old description for this configuration option was perhaps not completely balanced in terms of describing the tradeoffs of using a default of data=writeback vs. data=ordered. Despite the fact that old description very strongly recomended disabling this feature, all of the major distributions have elected to preserve the existing 'legacy' default, which is a strong hint that it perhaps wasn't telling the whole story. This revised description has been vetted by a number of ext3 developers as being better at informing the user about the tradeoffs of enabling or disabling this configuration feature. Cc: linux-ext4@vger.kernel.org Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: Jan Kara <jack@suse.cz>
2009-04-06ext3: make default data ordering mode configurableLinus Torvalds1-0/+19
This makes the defautl ext3 data ordering mode (when no explicit ordering is set) configurable, so as to allow people to default to 'data=writeback' and get the resulting latency improvements. This is a non-issue if a filesystem has been explicitly set to some ordering (with 'tune2fs'). Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20fs/Kconfig: move ext2, ext3, ext4, JBD, JBD2 outAlexey Dobriyan1-0/+67
Use fs/*/Kconfig more, which is good because everything related to one filesystem is in one place and fs/Kconfig is quite fat. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>