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authorLinus Torvalds <torvalds@linux-foundation.org>2020-03-30 11:43:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-03-30 11:43:51 -0700
commit1592614838cb52f4313ceff64894e2ca78591498 (patch)
treecdb83d2edd58f274b458fc74ec2903436bc6963a /block
parent10f36b1e80a9f7afdaefe6f0b06dcdf89715eed7 (diff)
parent766c3297d7e1584394d4af0cc8368e838124b023 (diff)
downloadlinux-sh-1592614838cb52f4313ceff64894e2ca78591498.tar.gz
Merge tag 'for-5.7/drivers-2020-03-29' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe: - floppy driver cleanup series from Willy - NVMe updates and fixes (Various) - null_blk trace improvements (Chaitanya) - bcache fixes (Coly) - md fixes (via Song) - loop block size change optimizations (Martijn) - scnprintf() use (Takashi) * tag 'for-5.7/drivers-2020-03-29' of git://git.kernel.dk/linux-block: (81 commits) null_blk: add trace in null_blk_zoned.c null_blk: add tracepoint helpers for zoned mode block: add a zone condition debug helper nvme: cleanup namespace identifier reporting in nvme_init_ns_head nvme: rename __nvme_find_ns_head to nvme_find_ns_head nvme: refactor nvme_identify_ns_descs error handling nvme-tcp: Add warning on state change failure at nvme_tcp_setup_ctrl nvme-rdma: Add warning on state change failure at nvme_rdma_setup_ctrl nvme: Fix controller creation races with teardown flow nvme: Make nvme_uninit_ctrl symmetric to nvme_init_ctrl nvme: Fix ctrl use-after-free during sysfs deletion nvme-pci: Re-order nvme_pci_free_ctrl nvme: Remove unused return code from nvme_delete_ctrl_sync nvme: Use nvme_state_terminal helper nvme: release ida resources nvme: Add compat_ioctl handler for NVME_IOCTL_SUBMIT_IO nvmet-tcp: optimize tcp stack TX when data digest is used nvme-fabrics: Use scnprintf() for avoiding potential buffer overflow nvme-multipath: do not reset on unknown status nvmet-rdma: allocate RW ctxs according to mdts ...
Diffstat (limited to 'block')
-rw-r--r--block/blk-settings.c3
-rw-r--r--block/blk-zoned.c32
2 files changed, 35 insertions, 0 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c
index 126d216a2db6..14397b4c4b53 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -628,6 +628,9 @@ void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
printk(KERN_NOTICE "%s: Warning: Device %s is misaligned\n",
top, bottom);
}
+
+ t->backing_dev_info->io_pages =
+ t->limits.max_sectors >> (PAGE_SHIFT - 9);
}
EXPORT_SYMBOL(disk_stack_limits);
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index 6b442ae96499..f87956e0dcaf 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -20,6 +20,38 @@
#include "blk.h"
+#define ZONE_COND_NAME(name) [BLK_ZONE_COND_##name] = #name
+static const char *const zone_cond_name[] = {
+ ZONE_COND_NAME(NOT_WP),
+ ZONE_COND_NAME(EMPTY),
+ ZONE_COND_NAME(IMP_OPEN),
+ ZONE_COND_NAME(EXP_OPEN),
+ ZONE_COND_NAME(CLOSED),
+ ZONE_COND_NAME(READONLY),
+ ZONE_COND_NAME(FULL),
+ ZONE_COND_NAME(OFFLINE),
+};
+#undef ZONE_COND_NAME
+
+/**
+ * blk_zone_cond_str - Return string XXX in BLK_ZONE_COND_XXX.
+ * @zone_cond: BLK_ZONE_COND_XXX.
+ *
+ * Description: Centralize block layer function to convert BLK_ZONE_COND_XXX
+ * into string format. Useful in the debugging and tracing zone conditions. For
+ * invalid BLK_ZONE_COND_XXX it returns string "UNKNOWN".
+ */
+const char *blk_zone_cond_str(enum blk_zone_cond zone_cond)
+{
+ static const char *zone_cond_str = "UNKNOWN";
+
+ if (zone_cond < ARRAY_SIZE(zone_cond_name) && zone_cond_name[zone_cond])
+ zone_cond_str = zone_cond_name[zone_cond];
+
+ return zone_cond_str;
+}
+EXPORT_SYMBOL_GPL(blk_zone_cond_str);
+
static inline sector_t blk_zone_start(struct request_queue *q,
sector_t sector)
{