Merge tag 'for-5.9/drivers-20200803' of git://git.kernel.dk/linux-block

Pull block driver updates from Jens Axboe:

 - NVMe:
      - ZNS support (Aravind, Keith, Matias, Niklas)
      - Misc cleanups, optimizations, fixes (Baolin, Chaitanya, David,
        Dongli, Max, Sagi)

 - null_blk zone capacity support (Aravind)

 - MD:
      - raid5/6 fixes (ChangSyun)
      - Warning fixes (Damien)
      - raid5 stripe fixes (Guoqing, Song, Yufen)
      - sysfs deadlock fix (Junxiao)
      - raid10 deadlock fix (Vitaly)

 - struct_size conversions (Gustavo)

 - Set of bcache updates/fixes (Coly)

* tag 'for-5.9/drivers-20200803' of git://git.kernel.dk/linux-block: (117 commits)
  md/raid5: Allow degraded raid6 to do rmw
  md/raid5: Fix Force reconstruct-write io stuck in degraded raid5
  raid5: don't duplicate code for different paths in handle_stripe
  raid5-cache: hold spinlock instead of mutex in r5c_journal_mode_show
  md: print errno in super_written
  md/raid5: remove the redundant setting of STRIPE_HANDLE
  md: register new md sysfs file 'uuid' read-only
  md: fix max sectors calculation for super 1.0
  nvme-loop: remove extra variable in create ctrl
  nvme-loop: set ctrl state connecting after init
  nvme-multipath: do not fall back to __nvme_find_path() for non-optimized paths
  nvme-multipath: fix logic for non-optimized paths
  nvme-rdma: fix controller reset hang during traffic
  nvme-tcp: fix controller reset hang during traffic
  nvmet: introduce the passthru Kconfig option
  nvmet: introduce the passthru configfs interface
  nvmet: Add passthru enable/disable helpers
  nvmet: add passthru code to process commands
  nvme: export nvme_find_get_ns() and nvme_put_ns()
  nvme: introduce nvme_ctrl_get_by_path()
  ...
This commit is contained in:
Linus Torvalds
2020-08-05 10:51:40 -07:00
70 changed files with 3149 additions and 826 deletions
+27 -11
View File
@@ -141,11 +141,13 @@ static inline struct bkey *bkey_idx(const struct bkey *k, unsigned int nr_keys)
* Version 3: Cache device with new UUID format
* Version 4: Backing device with data offset
*/
#define BCACHE_SB_VERSION_CDEV 0
#define BCACHE_SB_VERSION_BDEV 1
#define BCACHE_SB_VERSION_CDEV_WITH_UUID 3
#define BCACHE_SB_VERSION_BDEV_WITH_OFFSET 4
#define BCACHE_SB_MAX_VERSION 4
#define BCACHE_SB_VERSION_CDEV 0
#define BCACHE_SB_VERSION_BDEV 1
#define BCACHE_SB_VERSION_CDEV_WITH_UUID 3
#define BCACHE_SB_VERSION_BDEV_WITH_OFFSET 4
#define BCACHE_SB_VERSION_CDEV_WITH_FEATURES 5
#define BCACHE_SB_VERSION_BDEV_WITH_FEATURES 6
#define BCACHE_SB_MAX_VERSION 6
#define SB_SECTOR 8
#define SB_OFFSET (SB_SECTOR << SECTOR_SHIFT)
@@ -173,7 +175,12 @@ struct cache_sb_disk {
__le64 flags;
__le64 seq;
__le64 pad[8];
__le64 feature_compat;
__le64 feature_incompat;
__le64 feature_ro_compat;
__le64 pad[5];
union {
struct {
@@ -206,10 +213,16 @@ struct cache_sb_disk {
__le16 keys;
};
__le64 d[SB_JOURNAL_BUCKETS]; /* journal buckets */
__le16 bucket_size_hi;
};
/*
* This is for in-memory bcache super block.
* NOTE: cache_sb is NOT exactly mapping to cache_sb_disk, the member
* size, ordering and even whole struct size may be different
* from cache_sb_disk.
*/
struct cache_sb {
__u64 csum;
__u64 offset; /* sector where this sb was written */
__u64 version;
@@ -224,7 +237,10 @@ struct cache_sb {
__u64 flags;
__u64 seq;
__u64 pad[8];
__u64 feature_compat;
__u64 feature_incompat;
__u64 feature_ro_compat;
union {
struct {
@@ -232,10 +248,9 @@ struct cache_sb {
__u64 nbuckets; /* device size */
__u16 block_size; /* sectors */
__u16 bucket_size; /* sectors */
__u16 nr_in_set;
__u16 nr_this_dev;
__u32 bucket_size; /* sectors */
};
struct {
/* Backing devices */
@@ -262,7 +277,8 @@ struct cache_sb {
static inline _Bool SB_IS_BDEV(const struct cache_sb *sb)
{
return sb->version == BCACHE_SB_VERSION_BDEV
|| sb->version == BCACHE_SB_VERSION_BDEV_WITH_OFFSET;
|| sb->version == BCACHE_SB_VERSION_BDEV_WITH_OFFSET
|| sb->version == BCACHE_SB_VERSION_BDEV_WITH_FEATURES;
}
BITMASK(CACHE_SYNC, struct cache_sb, flags, 0, 1);
+13 -2
View File
@@ -73,6 +73,15 @@ enum blk_zone_cond {
BLK_ZONE_COND_OFFLINE = 0xF,
};
/**
* enum blk_zone_report_flags - Feature flags of reported zone descriptors.
*
* @BLK_ZONE_REP_CAPACITY: Zone descriptor has capacity field.
*/
enum blk_zone_report_flags {
BLK_ZONE_REP_CAPACITY = (1 << 0),
};
/**
* struct blk_zone - Zone descriptor for BLKREPORTZONE ioctl.
*
@@ -99,7 +108,9 @@ struct blk_zone {
__u8 cond; /* Zone condition */
__u8 non_seq; /* Non-sequential write resources active */
__u8 reset; /* Reset write pointer recommended */
__u8 reserved[36];
__u8 resv[4];
__u64 capacity; /* Zone capacity in number of sectors */
__u8 reserved[24];
};
/**
@@ -115,7 +126,7 @@ struct blk_zone {
struct blk_zone_report {
__u64 sector;
__u32 nr_zones;
__u8 reserved[4];
__u32 flags;
struct blk_zone zones[0];
};
+1 -1
View File
@@ -123,7 +123,7 @@ typedef struct mdp_device_descriptor_s {
/*
* Notes:
* - if an array is being reshaped (restriped) in order to change the
* - if an array is being reshaped (restriped) in order to change
* the number of active devices in the array, 'raid_disks' will be
* the larger of the old and new numbers. 'delta_disks' will
* be the "new - old". So if +ve, raid_disks is the new value, and