Messages in this thread |  | | Date | Mon, 17 Mar 2003 01:37:12 -0800 | From | William Lee Irwin III <> | Subject | Re: [PATCH] distributed counters for ext2 to avoid group scaning |
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On Sun, Mar 16, 2003 at 06:01:55PM +0300, Alex Tomas wrote: > ext2 with concurrent balloc/ialloc doesn't maintain global free > inodes/blocks counters. this is due to badness of spinlocks and > atomic_t from big iron's viewpoint. therefore, to know these values > we should scan all group descriptors. there are 81 groups for 10G > fs. I believe there is method to avoid scaning and decrease memory > footprint.
benching now
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