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authorDmitry Monakhov <dmonakhov@sw.ru>2007-10-16 01:25:02 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 09:42:55 -0700
commit8268f5a7415d914fc855a86aa2284ac819dc6b2e (patch)
tree13628a6d3cb31f04472c4cccdc741979ecdf0ad0 /fs
parentafddba49d18f346e5cc2938b6ed7c512db18ca68 (diff)
deny partial write for loop dev fd
Partial write can be easily supported by LO_CRYPT_NONE mode, but it is not easy in LO_CRYPT_CRYPTOAPI case, because of its block nature. I don't know who still used cryptoapi, but theoretically it is possible. So let's leave things as they are. Loop device doesn't support partial write before Nick's "write_begin/write_end" patch set, and let's it behave the same way after. Signed-off-by: Dmitriy Monakhov <dmonakhov@openvz.org> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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