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authorThomas Zimmermann <tzimmermann@suse.de>2022-06-20 19:21:25 +0300
committerThomas Zimmermann <tzimmermann@suse.de>2022-06-20 19:21:25 +0300
commit2b1333b80885b896807ffb6ccf4bc21d29aa65e0 (patch)
tree51cc2d13d65603383db82c87f01a0aa93bd26010 /include/linux/writeback.h
parentcad564ca557f8d3bb3b1fa965d9a2b3f6490ec69 (diff)
parent0f95ee9a0c579ebed0309657f6918673927189f2 (diff)
downloadlinux-2b1333b80885b896807ffb6ccf4bc21d29aa65e0.tar.xz
Merge drm/drm-next into drm-misc-next
Backmerging to get new regmap APIs of v5.19-rc1. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'include/linux/writeback.h')
-rw-r--r--include/linux/writeback.h22
1 files changed, 7 insertions, 15 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index fec248ab1fec..da21d63f70e2 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -80,6 +80,13 @@ struct writeback_control {
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,
+ * swap_write_unplug() should be called.
+ */
+ struct swap_iocb **swap_plug;
+
#ifdef CONFIG_CGROUP_WRITEBACK
struct bdi_writeback *wb; /* wb this writeback is issued under */
struct inode *inode; /* inode being written out */
@@ -345,28 +352,13 @@ void wb_domain_exit(struct wb_domain *dom);
extern struct wb_domain global_wb_domain;
/* These are exported to sysctl. */
-extern int dirty_background_ratio;
-extern unsigned long dirty_background_bytes;
-extern int vm_dirty_ratio;
-extern unsigned long vm_dirty_bytes;
extern unsigned int dirty_writeback_interval;
extern unsigned int dirty_expire_interval;
extern unsigned int dirtytime_expire_interval;
-extern int vm_highmem_is_dirtyable;
extern int laptop_mode;
-int dirty_background_ratio_handler(struct ctl_table *table, int write,
- void *buffer, size_t *lenp, loff_t *ppos);
-int dirty_background_bytes_handler(struct ctl_table *table, int write,
- void *buffer, size_t *lenp, loff_t *ppos);
-int dirty_ratio_handler(struct ctl_table *table, int write,
- void *buffer, size_t *lenp, loff_t *ppos);
-int dirty_bytes_handler(struct ctl_table *table, int write,
- void *buffer, size_t *lenp, loff_t *ppos);
int dirtytime_interval_handler(struct ctl_table *table, int write,
void *buffer, size_t *lenp, loff_t *ppos);
-int dirty_writeback_centisecs_handler(struct ctl_table *table, int write,
- void *buffer, size_t *lenp, loff_t *ppos);
void global_dirty_limits(unsigned long *pbackground, unsigned long *pdirty);
unsigned long wb_calc_thresh(struct bdi_writeback *wb, unsigned long thresh);