Am 09.01.2013 19:36, schrieb Bryn M. Reeves: > On 01/09/2013 06:18 PM, Bill Davidsen wrote: >> I would try this on something you can afford to lose... I just don't see >> any more info on this than you did before asking. I am curious, since I > > Changing hash_alg on an existing file system sets the default hash algorithm for newly created directories. It > won't affect any existing directory inodes that are already present (even if you remove all the files within them - > you need to remove and re-create the directory itself to switch algorithm) ok, this is the point i liked to get confirmed fsck.ext4 -Df promises to benefit also for existing directories if i am not completly wrong here (see pararaph from man fsck.ext4) i tried it already in a virtual machine which would be easy to rcvober and all seems to be fine, but hopefully some of the FS specialists / developers are reading here and can comment ________________________________________________________ -D Optimize directories in filesystem. This option causes e2fsck to try to optimize all directories, either by reindexing them if the filesystem supports directory indexing, or by sorting and compressing directories for smaller directories, or for filesystems using traditional linear directories.
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