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btrfs, mm: remove the punt_to_cgroup field in struct writeback_control

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punt_to_cgroup is only used by extent_write_locked_range, but that
function also directly controls the bio flags for the actual submission.
Remove th punt_to_cgroup field, and just set REQ_CGROUP_PUNT directly
in extent_write_locked_range.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Christoph Hellwig
2023-03-27 09:49:50 +09:00
committed by David Sterba
parent 896d7c1a90
commit 0a0596fbbe
2 changed files with 3 additions and 8 deletions
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5
include/linux/writeback.h
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@@ -70,8 +70,6 @@ struct writeback_control {
*/
unsigned no_cgroup_owner:1;
unsigned punt_to_cgroup:1; /* cgrp punting, see __REQ_CGROUP_PUNT */
/* To enable batching of swap writes to non-block-device backends,
* "plug" can be set point to a 'struct swap_iocb *'. When all swap
* writes have been submitted, if with swap_iocb is not NULL,
@@ -97,9 +95,6 @@ static inline blk_opf_t wbc_to_write_flags(struct writeback_control *wbc)
{
blk_opf_t flags = 0;
if (wbc->punt_to_cgroup)
flags = REQ_CGROUP_PUNT;
if (wbc->sync_mode == WB_SYNC_ALL)
flags |= REQ_SYNC;
else if (wbc->for_kupdate || wbc->for_background)