target: Have core_tmr_alloc_req() take an explicit GFP_xxx flag
Testing in_interrupt() to know when sleeping is allowed is not really reliable (since eg it won't be true if the caller is holding a spinlock). Instead have the caller tell core_tmr_alloc_req() what GFP_xxx to use; every caller except tcm_qla2xxx can use GFP_KERNEL. Signed-off-by: NRoland Dreier <roland@purestorage.com> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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