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authorOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>2008-11-06 12:53:57 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-11-06 15:41:21 -0800
commit2bdf67eb1631f30e2f3f5d49e4007c76e88877a8 (patch)
treed3d337e52516b3b61cdf4508cf445ef8dcaae2ed /fs/fat/misc.c
parent0e75f5da06c05425f4b375eb981c4489fb2d9787 (diff)
fat: mmu_private race fix
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>
Diffstat (limited to 'fs/fat/misc.c')
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