tree 5edace261ca6d707456d1bde03c0bf719ac8a365
parent 81056dd04465902461b627169c4b4487a11acba1
author Jan Kara <jack@suse.cz> 1249597647 +0200
committer Jan Kara <jack@suse.cz> 1252948381 +0200

udf: Fix possible corruption when close races with write

When we close a file, we remove preallocated blocks from it. But this
truncation was not protected by i_mutex and thus it could have raced with a
write through a different fd and cause crashes or even filesystem corruption.

Signed-off-by: Jan Kara <jack@suse.cz>