Re: [Ext2-devel] Re: [RFC, PATCH] Reservation based ext3preallocation

From: Alex Tomas
Date: Tue Mar 30 2004 - 13:13:55 EST

On Втр, 2004-03-30 at 21:07, Badari Pulavarty wrote:

> Can you explain this a little more ? What does b->data and b->commited_data
> represent ? We are assuming that b->data will always be uptodate.

b_data represents actual information about used/free blocks.
b_committed_data represents blocks that freed during current
transaction. these blocks must not be allocated. there is good
note about this just before ext3_test_allocatable() in balloc.c

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