diff mbox series

[16/23,SRU,OEM-5.14] writeback: make the laptop_mode prototypes available unconditionally

Message ID 20220128032610.392273-17-koba.ko@canonical.com
State Accepted
Headers show
Series USB port lost function after unplugging usb drive | expand

Commit Message

Koba Ko Jan. 28, 2022, 3:26 a.m. UTC 
From: Christoph Hellwig <hch@lst.de>

BugLink: https://bugs.launchpad.net/bugs/1958850 

Fix the !CONFIG_BLOCK build after the recent cleanup.

Fixes: 5ed964f8e54e ("mm: hide laptop_mode_wb_timer entirely behind the BDI API")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
(cherry picked from commit 99d26de2f6d79badc80f55b54bd90d4cb9d1ad90)
Signed-off-by: Koba Ko <koba.ko@canonical.com>
---
 include/linux/writeback.h | 5 -----
 1 file changed, 5 deletions(-)
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Patch

diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 667e86cfbdcfe..270677dc4f366 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -336,14 +336,9 @@  static inline void cgroup_writeback_umount(void)
 /*
  * mm/page-writeback.c
  */
-#ifdef CONFIG_BLOCK
 void laptop_io_completion(struct backing_dev_info *info);
 void laptop_sync_completion(void);
-void laptop_mode_sync(struct work_struct *work);
 void laptop_mode_timer_fn(struct timer_list *t);
-#else
-static inline void laptop_sync_completion(void) { }
-#endif
 bool node_dirty_ok(struct pglist_data *pgdat);
 int wb_domain_init(struct wb_domain *dom, gfp_t gfp);
 #ifdef CONFIG_CGROUP_WRITEBACK