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SubjectRe: [PATCH 4/5] block: turn bio_kmalloc into a simple kmalloc wrapper


> Remove the magic autofree semantics and require the callers to explicitly
> call bio_init to initialize the bio.
> This allows bio_free to catch accidental bio_put calls on bio_init()ed
> bios as well.

> -struct bio *bio_kmalloc(gfp_t gfp_mask, unsigned short nr_iovecs);
> +struct bio *bio_kmalloc(unsigned short nr_vecs, gfp_t gfp_mask);

I understand why you did it but this parameter reversal is a bit
scary. Hopefully gfp_t will cause any mistakes to be flagged.

Reviewed-by: Martin K. Petersen <>

Martin K. Petersen Oracle Linux Engineering

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