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Commit 810b4923 authored by Milan Broz's avatar Milan Broz Committed by Alasdair G Kergon
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dm ioctl: suppress needless warning messages 



The device-mapper should not send warning messages to syslog
if a device is not found. This can be done by userspace
according to the returned dm-ioctl error code.

So move these messages to debug level and use rate limiting
to not flood syslog.

Signed-off-by: default avatarMilan Broz <mbroz@redhat.com>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
parent 34745785

drivers/md/dm-ioctl.c

+4 −4
Original line number Diff line number Diff line
@@ -779,7 +779,7 @@ static int dev_remove(struct dm_ioctl *param, size_t param_size) 
	hc = __find_device_hash_cell(param);



	if (!hc) {

		DMWARN("device doesn't appear to be in the dev hash table.");

		DMDEBUG_LIMIT("device doesn't appear to be in the dev hash table.");

		up_write(&_hash_lock);

		return -ENXIO;

	}
@@ -791,7 +791,7 @@ static int dev_remove(struct dm_ioctl *param, size_t param_size) 
	 */

	r = dm_lock_for_deletion(md);

	if (r) {

		DMWARN("unable to remove open device %s", hc->name);

		DMDEBUG_LIMIT("unable to remove open device %s", hc->name);

		up_write(&_hash_lock);

		dm_put(md);

		return r;
@@ -938,7 +938,7 @@ static int do_resume(struct dm_ioctl *param) 


	hc = __find_device_hash_cell(param);

	if (!hc) {

		DMWARN("device doesn't appear to be in the dev hash table.");

		DMDEBUG_LIMIT("device doesn't appear to be in the dev hash table.");

		up_write(&_hash_lock);

		return -ENXIO;

	}
@@ -1265,7 +1265,7 @@ static int table_clear(struct dm_ioctl *param, size_t param_size) 


	hc = __find_device_hash_cell(param);

	if (!hc) {

		DMWARN("device doesn't appear to be in the dev hash table.");

		DMDEBUG_LIMIT("device doesn't appear to be in the dev hash table.");

		up_write(&_hash_lock);

		return -ENXIO;

	}