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| author | Asutosh Das <asutoshd@codeaurora.org> | 2013-03-07 17:43:35 +0530 |
|---|---|---|
| committer | Ziyan <jaraidaniel@gmail.com> | 2016-01-08 10:42:59 +0100 |
| commit | 787a2e7caf9727a4807bbb83dcee1091d68270c2 (patch) | |
| tree | 31ca56db2d4c7fd38b641a684a1ba0d669a67fa7 /block | |
| parent | 6932c4898863d85fafd4f7092d6350ff6752de94 (diff) | |
| download | kernel_samsung_tuna-787a2e7caf9727a4807bbb83dcee1091d68270c2.zip kernel_samsung_tuna-787a2e7caf9727a4807bbb83dcee1091d68270c2.tar.gz kernel_samsung_tuna-787a2e7caf9727a4807bbb83dcee1091d68270c2.tar.bz2 | |
block: blk-core: add printk_ratelimit
On failure of requests the console is flooded with prints,
which result in a watchdog bark.
This patch limits the number of prints to console thus, avoiding
the bark.
CRs-Fixed: 458071
Change-Id: I614002cc1305ab7b5c6a64d278139291c1baa3c4
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-core.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 7df4ef1..6f2357c 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -29,6 +29,7 @@ #include <linux/fault-inject.h> #include <linux/list_sort.h> #include <linux/delay.h> +#include <linux/ratelimit.h> #define CREATE_TRACE_POINTS #include <trace/events/block.h> @@ -2129,9 +2130,11 @@ bool blk_update_request(struct request *req, int error, unsigned int nr_bytes) error_type = "I/O"; break; } - printk(KERN_ERR "end_request: %s error, dev %s, sector %llu\n", - error_type, req->rq_disk ? req->rq_disk->disk_name : "?", - (unsigned long long)blk_rq_pos(req)); + printk_ratelimited( + KERN_ERR "end_request: %s error, dev %s, sector %llu\n", + error_type, + req->rq_disk ? req->rq_disk->disk_name : "?", + (unsigned long long)blk_rq_pos(req)); } blk_account_io_completion(req, nr_bytes); |