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authorLinus Torvalds <torvalds@linux-foundation.org>2019-07-09 20:45:06 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-07-09 20:45:06 +0300
commit3b99107f0e0298e6fe0787f75b8f3d8306dfb230 (patch)
tree30536dbc9ca176470a2ae2938f952381e33f5deb /block/blk-mq-debugfs.c
parent0415052db4f92b7e272fc15802ad8b8be672deea (diff)
parentc9b3007feca018d3f7061f5d5a14cb00766ffe9b (diff)
downloadlinux-3b99107f0e0298e6fe0787f75b8f3d8306dfb230.tar.xz
Merge tag 'for-5.3/block-20190708' of git://git.kernel.dk/linux-block
Pull block updates from Jens Axboe: "This is the main block updates for 5.3. Nothing earth shattering or major in here, just fixes, additions, and improvements all over the map. This contains: - Series of documentation fixes (Bart) - Optimization of the blk-mq ctx get/put (Bart) - null_blk removal race condition fix (Bob) - req/bio_op() cleanups (Chaitanya) - Series cleaning up the segment accounting, and request/bio mapping (Christoph) - Series cleaning up the page getting/putting for bios (Christoph) - block cgroup cleanups and moving it to where it is used (Christoph) - block cgroup fixes (Tejun) - Series of fixes and improvements to bcache, most notably a write deadlock fix (Coly) - blk-iolatency STS_AGAIN and accounting fixes (Dennis) - Series of improvements and fixes to BFQ (Douglas, Paolo) - debugfs_create() return value check removal for drbd (Greg) - Use struct_size(), where appropriate (Gustavo) - Two lighnvm fixes (Heiner, Geert) - MD fixes, including a read balance and corruption fix (Guoqing, Marcos, Xiao, Yufen) - block opal shadow mbr additions (Jonas, Revanth) - sbitmap compare-and-exhange improvemnts (Pavel) - Fix for potential bio->bi_size overflow (Ming) - NVMe pull requests: - improved PCIe suspent support (Keith Busch) - error injection support for the admin queue (Akinobu Mita) - Fibre Channel discovery improvements (James Smart) - tracing improvements including nvmetc tracing support (Minwoo Im) - misc fixes and cleanups (Anton Eidelman, Minwoo Im, Chaitanya Kulkarni)" - Various little fixes and improvements to drivers and core" * tag 'for-5.3/block-20190708' of git://git.kernel.dk/linux-block: (153 commits) blk-iolatency: fix STS_AGAIN handling block: nr_phys_segments needs to be zero for REQ_OP_WRITE_ZEROES blk-mq: simplify blk_mq_make_request() blk-mq: remove blk_mq_put_ctx() sbitmap: Replace cmpxchg with xchg block: fix .bi_size overflow block: sed-opal: check size of shadow mbr block: sed-opal: ioctl for writing to shadow mbr block: sed-opal: add ioctl for done-mark of shadow mbr block: never take page references for ITER_BVEC direct-io: use bio_release_pages in dio_bio_complete block_dev: use bio_release_pages in bio_unmap_user block_dev: use bio_release_pages in blkdev_bio_end_io iomap: use bio_release_pages in iomap_dio_bio_end_io block: use bio_release_pages in bio_map_user_iov block: use bio_release_pages in bio_unmap_user block: optionally mark pages dirty in bio_release_pages block: move the BIO_NO_PAGE_REF check into bio_release_pages block: skd_main.c: Remove call to memset after dma_alloc_coherent block: mtip32xx: Remove call to memset after dma_alloc_coherent ...
Diffstat (limited to 'block/blk-mq-debugfs.c')
-rw-r--r--block/blk-mq-debugfs.c42
1 files changed, 13 insertions, 29 deletions
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 3afe327f816f..b3f2ba483992 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -17,7 +17,7 @@
static void print_stat(struct seq_file *m, struct blk_rq_stat *stat)
{
if (stat->nr_samples) {
- seq_printf(m, "samples=%d, mean=%lld, min=%llu, max=%llu",
+ seq_printf(m, "samples=%d, mean=%llu, min=%llu, max=%llu",
stat->nr_samples, stat->mean, stat->min, stat->max);
} else {
seq_puts(m, "samples=0");
@@ -29,13 +29,13 @@ static int queue_poll_stat_show(void *data, struct seq_file *m)
struct request_queue *q = data;
int bucket;
- for (bucket = 0; bucket < BLK_MQ_POLL_STATS_BKTS/2; bucket++) {
- seq_printf(m, "read (%d Bytes): ", 1 << (9+bucket));
- print_stat(m, &q->poll_stat[2*bucket]);
+ for (bucket = 0; bucket < (BLK_MQ_POLL_STATS_BKTS / 2); bucket++) {
+ seq_printf(m, "read (%d Bytes): ", 1 << (9 + bucket));
+ print_stat(m, &q->poll_stat[2 * bucket]);
seq_puts(m, "\n");
- seq_printf(m, "write (%d Bytes): ", 1 << (9+bucket));
- print_stat(m, &q->poll_stat[2*bucket+1]);
+ seq_printf(m, "write (%d Bytes): ", 1 << (9 + bucket));
+ print_stat(m, &q->poll_stat[2 * bucket + 1]);
seq_puts(m, "\n");
}
return 0;
@@ -261,23 +261,6 @@ static int hctx_flags_show(void *data, struct seq_file *m)
return 0;
}
-#define REQ_OP_NAME(name) [REQ_OP_##name] = #name
-static const char *const op_name[] = {
- REQ_OP_NAME(READ),
- REQ_OP_NAME(WRITE),
- REQ_OP_NAME(FLUSH),
- REQ_OP_NAME(DISCARD),
- REQ_OP_NAME(SECURE_ERASE),
- REQ_OP_NAME(ZONE_RESET),
- REQ_OP_NAME(WRITE_SAME),
- REQ_OP_NAME(WRITE_ZEROES),
- REQ_OP_NAME(SCSI_IN),
- REQ_OP_NAME(SCSI_OUT),
- REQ_OP_NAME(DRV_IN),
- REQ_OP_NAME(DRV_OUT),
-};
-#undef REQ_OP_NAME
-
#define CMD_FLAG_NAME(name) [__REQ_##name] = #name
static const char *const cmd_flag_name[] = {
CMD_FLAG_NAME(FAILFAST_DEV),
@@ -341,13 +324,14 @@ static const char *blk_mq_rq_state_name(enum mq_rq_state rq_state)
int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq)
{
const struct blk_mq_ops *const mq_ops = rq->q->mq_ops;
- const unsigned int op = rq->cmd_flags & REQ_OP_MASK;
+ const unsigned int op = req_op(rq);
+ const char *op_str = blk_op_str(op);
seq_printf(m, "%p {.op=", rq);
- if (op < ARRAY_SIZE(op_name) && op_name[op])
- seq_printf(m, "%s", op_name[op]);
+ if (strcmp(op_str, "UNKNOWN") == 0)
+ seq_printf(m, "%u", op);
else
- seq_printf(m, "%d", op);
+ seq_printf(m, "%s", op_str);
seq_puts(m, ", .cmd_flags=");
blk_flags_show(m, rq->cmd_flags & ~REQ_OP_MASK, cmd_flag_name,
ARRAY_SIZE(cmd_flag_name));
@@ -779,8 +763,8 @@ static int blk_mq_debugfs_release(struct inode *inode, struct file *file)
if (attr->show)
return single_release(inode, file);
- else
- return seq_release(inode, file);
+
+ return seq_release(inode, file);
}
static const struct file_operations blk_mq_debugfs_fops = {