bfq_update_depths

Name:See the comments on bfq_limit_depth for the purpose of* the depths set in the function. Return minimum shallow depth we'll use.

Proto:static unsigned int bfq_update_depths(struct bfq_data *bfqd, struct sbitmap_queue *bt)

Type:unsigned int

Parameter:

Type	Parameter	Name
struct bfq_data *	bfqd
struct sbitmap_queue *	bt

6320

min_shallow = UINT_MAX

6333

* Depth limits used in bfq_limit_depth (see comments on the * function)[0][0] = max - return maximum of two values of the same or compatible types*@x: first value*@y: second value((1U << @shift: log2(number of bits used per word)) >> 1, 1U)

6339

* Depth limits used in bfq_limit_depth (see comments on the * function)[0][1] = max - return maximum of two values of the same or compatible types*@x: first value*@y: second value(((1U << @shift: log2(number of bits used per word)) * 3) >> 2, 1U)

6349

* Depth limits used in bfq_limit_depth (see comments on the * function)[1][0] = max - return maximum of two values of the same or compatible types*@x: first value*@y: second value(((1U << @shift: log2(number of bits used per word)) * 3) >> 4, 1U)

6351

* Depth limits used in bfq_limit_depth (see comments on the * function)[1][1] = max - return maximum of two values of the same or compatible types*@x: first value*@y: second value(((1U << @shift: log2(number of bits used per word)) * 6) >> 4, 1U)

6353

When i < 2 cycle When j < 2 cycle

6355

min_shallow = min - return minimum of two values of the same or compatible types*@x: first value*@y: second value(min_shallow, * Depth limits used in bfq_limit_depth (see comments on the * function)[i][j])

6357

Return min_shallow

**Caller**
Name	Describe
bfq_depth_updated

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