[RFC PATCH 02/39] blktrace_api: add new trace definition
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STALE2053d
From: Chaitanya Kulkarni <hidden>
Date: 2021-02-25 07:05:22
Also in:
linux-fsdevel
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
This patch adds new structure similar to struct blk_trace to support block trace extensions. Signed-off-by: Chaitanya Kulkarni <redacted> --- include/linux/blktrace_api.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index a083e15df608..6c2654f45ad2 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h@@ -27,6 +27,24 @@ struct blk_trace { atomic_t dropped; }; +struct blk_trace_ext { + int trace_state; + struct rchan *rchan; + unsigned long __percpu *sequence; + unsigned char __percpu *msg_data; + u64 act_mask; + u32 prio_mask; + u64 start_lba; + u64 end_lba; + u32 pid; + u32 dev; + struct dentry *dir; + struct dentry *dropped_file; + struct dentry *msg_file; + struct list_head running_ext_list; + atomic_t dropped; +}; + struct blkcg; extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
--
2.22.1