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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2008-09-11 18:35:39 +0200
committerJens Axboe <jens.axboe@oracle.com>2008-09-11 18:35:39 +0200
commit50bed2e2862a8f3a4f7d683d0d27292e71ef18b9 (patch)
tree4de32d8495a5b79aae38948871abc65bb58d9d10 /mm/fadvise.c
parent2dc75d3c3b49c64fd26b4832a7efb75546cb3fc5 (diff)
sg: disable interrupts inside sg_copy_buffer
The callers of sg_copy_buffer must disable interrupts before calling it (since it uses kmap_atomic). Some callers use it on interrupt-disabled code but some need to take the trouble to disable interrupts just for this. No wonder they forget about it and we hit a bug like: http://bugzilla.kernel.org/show_bug.cgi?id=11529 James said that it might be better to disable interrupts inside the function rather than risk the callers getting it wrong. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'mm/fadvise.c')
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