diff options
| -rw-r--r-- | block/blk-mq-debugfs.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c index 01711bbf5ade..0c14511fa9e0 100644 --- a/block/blk-mq-debugfs.c +++ b/block/blk-mq-debugfs.c @@ -29,7 +29,49 @@ struct blk_mq_debugfs_attr { static struct dentry *block_debugfs_root; +static int hctx_state_show(struct seq_file *m, void *v) +{ + struct blk_mq_hw_ctx *hctx = m->private; + + seq_printf(m, "0x%lx\n", hctx->state); + return 0; +} + +static int hctx_state_open(struct inode *inode, struct file *file) +{ + return single_open(file, hctx_state_show, inode->i_private); +} + +static const struct file_operations hctx_state_fops = { + .open = hctx_state_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int hctx_flags_show(struct seq_file *m, void *v) +{ + struct blk_mq_hw_ctx *hctx = m->private; + + seq_printf(m, "0x%lx\n", hctx->flags); + return 0; +} + +static int hctx_flags_open(struct inode *inode, struct file *file) +{ + return single_open(file, hctx_flags_show, inode->i_private); +} + +static const struct file_operations hctx_flags_fops = { + .open = hctx_flags_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + static const struct blk_mq_debugfs_attr blk_mq_debugfs_hctx_attrs[] = { + {"state", 0400, &hctx_state_fops}, + {"flags", 0400, &hctx_flags_fops}, }; static const struct blk_mq_debugfs_attr blk_mq_debugfs_ctx_attrs[] = { |