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(parent: 81056dd) | patch
udf: Fix possible corruption when close races with write
authorJan Kara <jack@suse.cz>
Thu, 6 Aug 2009 22:27:27 +0000 (00:27 +0200)
committerJan Kara <jack@suse.cz>
Mon, 14 Sep 2009 17:13:01 +0000 (19:13 +0200)
commitcbc8cc33529b0e0e55ae0ff077b8cb0b71d54c7a
tree5edace261ca6d707456d1bde03c0bf719ac8a365tree | snapshot
parent81056dd04465902461b627169c4b4487a11acba1commit | diff
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>
fs/udf/file.c diff | blob | history
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