scsi: target: tcmu: Prevent memory reclaim recursion

Prevent recursion into the IO path under low memory conditions by using
GFP_NOIO in place of GFP_KERNEL when allocating a new command with
tcmu_alloc_cmd() and user ring space with tcmu_get_empty_block().

Link: https://lore.kernel.org/r/[email protected]
Reported-by: Masato Suzuki <[email protected]>
Signed-off-by: Damien Le Moal <[email protected]>
Acked-by: Mike Christie <[email protected]>
Reviewed-by: Bart Van Assche <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>

0 files changed, 0 insertions, 0 deletions