Linux Rings in the New Year with 3.2 Kernel

“Among the major enhancements in the 3.2 kernel is a pair of
improvements to two Linux filesystems. The Ext4 filesystem is
getting a boost that will see filesystem blocks grow to up to 1 MB
in size up from the traditional 4 KB.

“This adds supports for bigalloc file systems,” Linux kernel
developer Ted Ts’o wrote in his initial code commit. “It teaches
the mount code just enough about bigalloc superblock fields that it
will mount the file system without freaking out that the number of
blocks per group is too big.”

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