https://github.com/torvalds/linux
Revision 2bdf67eb1631f30e2f3f5d49e4007c76e88877a8 authored by OGAWA Hirofumi on 06 November 2008, 20:53:57 UTC, committed by Linus Torvalds on 06 November 2008, 23:41:21 UTC
mmu_private is 64bits value, hence it's not atomic to update.

So, the access rule for mmu_private is we must hold ->i_mutex.  But,
fat_get_block() path doesn't follow the rule on non-allocation path.

This fixes by using i_size instead if non-allocation path.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 0e75f5d
History
Tip revision: 2bdf67eb1631f30e2f3f5d49e4007c76e88877a8 authored by OGAWA Hirofumi on 06 November 2008, 20:53:57 UTC
fat: mmu_private race fix
Tip revision: 2bdf67e
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