From: Steven Whitehouse Date: Fri, 8 Feb 2008 13:18:11 +0000 (+0000) Subject: [GFS2] Add a function to interate over an extent X-Git-Tag: v2.6.26-rc1~1144^2~22 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=30cbf189cd2a1ba13ff3c8c8ee2103dbdb18578a;p=pandora-kernel.git [GFS2] Add a function to interate over an extent This adds a function (currently the only use is during mapping of already allocated blocks, but watch this space) which iterates over a number of pointers in a block and returns the extent length. If the initial pointer is 0 (i.e. unallocated) it will return the number of unallocated blocks in the extent. If the initial pointer is allocated, then it returns the number of contiguously allocated blocks in the extent. Signed-off-by: Steven Whitehouse --- Reading git-diff-tree failed