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for-5.6/drivers-2020-01-27

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Merge tag 'for-5.6/drivers-2020-01-27' of git://git.kernel.dk/linux-block

Pull block driver updates from Jens Axboe:
 "Like the core side, not a lot of changes here, just two main items:

   - Series of patches (via Coly) with fixes for bcache (Coly,
     Christoph)

   - MD pull request from Song"

* tag 'for-5.6/drivers-2020-01-27' of git://git.kernel.dk/linux-block: (31 commits)
  bcache: reap from tail of c->btree_cache in bch_mca_scan()
  bcache: reap c->btree_cache_freeable from the tail in bch_mca_scan()
  bcache: remove member accessed from struct btree
  bcache: print written and keys in trace_bcache_btree_write
  bcache: avoid unnecessary btree nodes flushing in btree_flush_write()
  bcache: add code comments for state->pool in __btree_sort()
  lib: crc64: include <linux/crc64.h> for 'crc64_be'
  bcache: use read_cache_page_gfp to read the superblock
  bcache: store a pointer to the on-disk sb in the cache and cached_dev structures
  bcache: return a pointer to the on-disk sb from read_super
  bcache: transfer the sb_page reference to register_{bdev,cache}
  bcache: fix use-after-free in register_bcache()
  bcache: properly initialize 'path' and 'err' in register_bcache()
  bcache: rework error unwinding in register_bcache
  bcache: use a separate data structure for the on-disk super block
  bcache: cached_dev_free needs to put the sb page
  md/raid1: introduce wait_for_serialization
  md/raid1: use bucket based mechanism for IO serialization
  md: introduce a new struct for IO serialization
  md: don't destroy serial_info_pool if serialize_policy is true
  ...
This commit is contained in:
Linus Torvalds 2020-01-27 12:55:48 -08:00
commit 22a8f39c52
17 changed files with 578 additions and 269 deletions
Download patch file Download diff file Expand all files Collapse all files

7
include/linux/raid/pq.h
View file

@ -27,8 +27,8 @@ extern const char raid6_empty_zero_page[PAGE_SIZE];
#include <errno.h>
#include <inttypes.h>
#include <limits.h>
#include <stddef.h>
#include <string.h>
#include <sys/mman.h>
#include <sys/time.h>
#include <sys/types.h>
@ -44,6 +44,9 @@ typedef uint64_t u64;
#ifndef PAGE_SIZE
# define PAGE_SIZE 4096
#endif
#ifndef PAGE_SHIFT
# define PAGE_SHIFT 12
#endif
extern const char raid6_empty_zero_page[PAGE_SIZE];
#define __init
@ -59,7 +62,9 @@ extern const char raid6_empty_zero_page[PAGE_SIZE];
#define enable_kernel_altivec()
#define disable_kernel_altivec()
#undef EXPORT_SYMBOL
#define EXPORT_SYMBOL(sym)
#undef EXPORT_SYMBOL_GPL
#define EXPORT_SYMBOL_GPL(sym)
#define MODULE_LICENSE(licence)
#define MODULE_DESCRIPTION(desc)