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authorJan Kara <jack@suse.cz>2008-04-07 15:59:23 +0200
committerJan Kara <jack@suse.cz>2008-04-17 14:23:10 +0200
commit423cf6dc04eb79d441bfda2b127bc4b57134b41d (patch)
treed4b9f7a35dfbdd9a2fbf986bf05c959674e4086a /fs/dlm
parent38b74a53e5625b7bbbd08918294b86f1db2f0565 (diff)
udf: Cleanup anchor block detection.
UDF anchor block detection is complicated by several things - there are several places where the anchor point can be, some of them relative to the last recorded block which some devices report wrongly. Moreover some devices on some media seem to have 7 spare blocks sectors for every 32 blocks (at least as far as I understand the old code) so we have to count also with that possibility. This patch splits anchor block detection into several functions so that it is clearer what we actually try to do. We fix several bugs of the type "for such and such media, we fail to check block blah" as a result of the cleanup. Signed-off-by: Jan Kara <jack@suse.cz>
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