Hi Chao,
I have a question about the below flag for decompression.
STEP_DECOMPRESS_NOWQ, /* handle normal cluster data inplace */
According to the comment, you added this for using inplace
decompression but inplace decompression mode is not being activated
now, since we are setting STEP_DECOMPRESS right after bio_add_page().
if (bio_add_page(bio, page, blocksize, 0) < blocksize)
goto submit_and_realloc;
/* tag STEP_DECOMPRESS to handle IO in wq */
ctx = bio->bi_private;
if (!(ctx->enabled_steps & (1 << STEP_DECOMPRESS)))
ctx->enabled_steps |= 1 << STEP_DECOMPRESS;
Did you mean to deactivate inplace decompression mode on purpose,
since it had an issue? I am a little bit confused about this.
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