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[block-cache] remove BF_PREVIOUSLY_DIRTY and improve nr_dirty_ accounting.

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This commit is contained in:
Joe Thornber
2017-08-14 13:44:21 +01:00
parent a45ffd896a
commit 0a47ad5a85
2 changed files with 89 additions and 74 deletions
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5
block-cache/block_cache.h
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@@ -51,7 +51,6 @@ namespace bcache {
BF_IO_PENDING = (1 << 0),
BF_DIRTY = (1 << 1),
BF_FLUSH = (1 << 2),
BF_PREVIOUSLY_DIRTY = (1 << 3)
};
class block : private boost::noncopyable {
@@ -222,7 +221,8 @@ namespace bcache {
void issue_read(block &b);
void issue_write(block &b);
void wait_io();
block_list &__categorise(block &b);
void unlink_block(block &b);
void link_block(block &b);
void hit(block &b);
void wait_all();
void wait_specific(block &b);
@@ -238,6 +238,7 @@ namespace bcache {
void exit_free_list();
void preemptive_writeback();
bool maybe_flush(block_cache::block &b);
void release(block_cache::block &block);
void check_index(block_address index) const;