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authorJan Kara <jack@suse.cz>2009-03-19 16:21:38 +0100
committerJan Kara <jack@suse.cz>2009-04-02 12:29:56 +0200
commit40346005166329bc4b53e0c564aff3968c1ddaa0 (patch)
treeaf6440a2aeff69ed6cccd93c663eb564e7cf6411 /fs/udf/udfdecl.h
parent225feded89d447c2ab76e38e67ef56860c5bb60f (diff)
udf: Try anchor in block 256 first
Anchor block can be located at several places on the medium. Two of the locations are relative to media end which is problematic to detect. Also some drives report some block as last but are not able to read it or any block nearby before it. So let's first try block 256 and if it is all fine, don't look at other possible locations of anchor blocks to avoid IO errors. This change required a larger reorganization of code but the new code is hopefully more readable and definitely shorter. Signed-off-by: Jan Kara <jack@suse.cz>
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