A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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BACKPORT: bdi: initialize ->ra_pages and ->io_pages in bdi_init

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Set up a readahead size by default, as very few users have a good
reason to change it.  This means code, ecryptfs, and orangefs now
set up the values while they were previously missing it, while ubifs,
mtd and vboxsf manually set it to 0 to avoid readahead.

Change-Id: I2394fea47e8685f26aee9cc52c72018cd2715741
Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Acked-by: David Sterba <[email protected]> [btrfs]
Acked-by: Richard Weinberger <[email protected]> [ubifs, mtd]
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Christoph Hellwig 2020-09-24 08:51:32 +02:00 • committed by Alexander Martinz
commit 699354537f
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8 changed files with 10 additions and 7 deletions
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block/blk-core.c
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@ -504,8 +504,6 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
if (!q->stats)
goto fail_stats;
q->backing_dev_info->ra_pages = VM_READAHEAD_PAGES;
q->backing_dev_info->io_pages = VM_READAHEAD_PAGES;
q->backing_dev_info->capabilities = BDI_CAP_CGROUP_WRITEBACK;
q->backing_dev_info->name = "block";
q->node = node_id;