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authorKonstantin Komarov <almaz.alexandrovich@paragon-software.com>2022-05-31 16:13:23 +0300
committerKonstantin Komarov <almaz.alexandrovich@paragon-software.com>2022-05-31 16:13:23 +0300
commit03ab8e6297acd1bc0eedaa050e2a1635c576fd11 (patch)
tree519b79a60508ae3992f0f6bf10deac237dbc45ae /include/linux/backing-dev.h
parent52e00ea6b26e45fb8159e3b57cdde8d3f9bdd8e9 (diff)
parent4b0986a3613c92f4ec1bdc7f60ec66fea135991f (diff)
Merge tag 'v5.18'
Linux 5.18
Diffstat (limited to 'include/linux/backing-dev.h')
-rw-r--r--include/linux/backing-dev.h76
1 files changed, 6 insertions, 70 deletions
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index ac7f231b8825..87ce24d238f3 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -12,13 +12,13 @@
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/sched.h>
-#include <linux/blkdev.h>
#include <linux/device.h>
#include <linux/writeback.h>
-#include <linux/blk-cgroup.h>
#include <linux/backing-dev-defs.h>
#include <linux/slab.h>
+struct blkcg;
+
static inline struct backing_dev_info *bdi_get(struct backing_dev_info *bdi)
{
kref_get(&bdi->refcnt);
@@ -64,7 +64,7 @@ static inline bool bdi_has_dirty_io(struct backing_dev_info *bdi)
return atomic_long_read(&bdi->tot_write_bandwidth);
}
-static inline void __add_wb_stat(struct bdi_writeback *wb,
+static inline void wb_stat_mod(struct bdi_writeback *wb,
enum wb_stat_item item, s64 amount)
{
percpu_counter_add_batch(&wb->stat[item], amount, WB_STAT_BATCH);
@@ -72,12 +72,12 @@ static inline void __add_wb_stat(struct bdi_writeback *wb,
static inline void inc_wb_stat(struct bdi_writeback *wb, enum wb_stat_item item)
{
- __add_wb_stat(wb, item, 1);
+ wb_stat_mod(wb, item, 1);
}
static inline void dec_wb_stat(struct bdi_writeback *wb, enum wb_stat_item item)
{
- __add_wb_stat(wb, item, -1);
+ wb_stat_mod(wb, item, -1);
}
static inline s64 wb_stat(struct bdi_writeback *wb, enum wb_stat_item item)
@@ -133,28 +133,7 @@ static inline bool writeback_in_progress(struct bdi_writeback *wb)
return test_bit(WB_writeback_running, &wb->state);
}
-static inline struct backing_dev_info *inode_to_bdi(struct inode *inode)
-{
- struct super_block *sb;
-
- if (!inode)
- return &noop_backing_dev_info;
-
- sb = inode->i_sb;
-#ifdef CONFIG_BLOCK
- if (sb_is_blkdev_sb(sb))
- return I_BDEV(inode)->bd_disk->bdi;
-#endif
- return sb->s_bdi;
-}
-
-static inline int wb_congested(struct bdi_writeback *wb, int cong_bits)
-{
- return wb->congested & cong_bits;
-}
-
-long congestion_wait(int sync, long timeout);
-long wait_iff_congested(int sync, long timeout);
+struct backing_dev_info *inode_to_bdi(struct inode *inode);
static inline bool mapping_can_writeback(struct address_space *mapping)
{
@@ -176,7 +155,6 @@ struct bdi_writeback *wb_get_create(struct backing_dev_info *bdi,
gfp_t gfp);
void wb_memcg_offline(struct mem_cgroup *memcg);
void wb_blkcg_offline(struct blkcg *blkcg);
-int inode_congested(struct inode *inode, int cong_bits);
/**
* inode_cgwb_enabled - test whether cgroup writeback is enabled on an inode
@@ -404,50 +382,8 @@ static inline void wb_blkcg_offline(struct blkcg *blkcg)
{
}
-static inline int inode_congested(struct inode *inode, int cong_bits)
-{
- return wb_congested(&inode_to_bdi(inode)->wb, cong_bits);
-}
-
#endif /* CONFIG_CGROUP_WRITEBACK */
-static inline int inode_read_congested(struct inode *inode)
-{
- return inode_congested(inode, 1 << WB_sync_congested);
-}
-
-static inline int inode_write_congested(struct inode *inode)
-{
- return inode_congested(inode, 1 << WB_async_congested);
-}
-
-static inline int inode_rw_congested(struct inode *inode)
-{
- return inode_congested(inode, (1 << WB_sync_congested) |
- (1 << WB_async_congested));
-}
-
-static inline int bdi_congested(struct backing_dev_info *bdi, int cong_bits)
-{
- return wb_congested(&bdi->wb, cong_bits);
-}
-
-static inline int bdi_read_congested(struct backing_dev_info *bdi)
-{
- return bdi_congested(bdi, 1 << WB_sync_congested);
-}
-
-static inline int bdi_write_congested(struct backing_dev_info *bdi)
-{
- return bdi_congested(bdi, 1 << WB_async_congested);
-}
-
-static inline int bdi_rw_congested(struct backing_dev_info *bdi)
-{
- return bdi_congested(bdi, (1 << WB_sync_congested) |
- (1 << WB_async_congested));
-}
-
const char *bdi_dev_name(struct backing_dev_info *bdi);
#endif /* _LINUX_BACKING_DEV_H */