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Commit f3bcb0e6 authored by Bart Van Assche's avatar Bart Van Assche Committed by Jens Axboe
Browse files

blk-mq-debugfs: Add missing __acquires() / __releases() annotations 



This patch avoids that sparse complains about lock imbalances.

Signed-off-by: default avatarBart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: default avatarOmar Sandoval <osandov@fb.com>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent d486f1f2

block/blk-mq-debugfs.c

+4 −0
Original line number Diff line number Diff line
@@ -95,6 +95,7 @@ static int blk_mq_debugfs_rq_show(struct seq_file *m, void *v) 
}



static void *hctx_dispatch_start(struct seq_file *m, loff_t *pos)

	__acquires(&hctx->lock)

{

	struct blk_mq_hw_ctx *hctx = m->private;
@@ -110,6 +111,7 @@ static void *hctx_dispatch_next(struct seq_file *m, void *v, loff_t *pos) 
}



static void hctx_dispatch_stop(struct seq_file *m, void *v)

	__releases(&hctx->lock)

{

	struct blk_mq_hw_ctx *hctx = m->private;
@@ -482,6 +484,7 @@ static const struct file_operations hctx_active_fops = { 
};



static void *ctx_rq_list_start(struct seq_file *m, loff_t *pos)

	__acquires(&ctx->lock)

{

	struct blk_mq_ctx *ctx = m->private;
@@ -497,6 +500,7 @@ static void *ctx_rq_list_next(struct seq_file *m, void *v, loff_t *pos) 
}



static void ctx_rq_list_stop(struct seq_file *m, void *v)

	__releases(&ctx->lock)

{

	struct blk_mq_ctx *ctx = m->private;