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dm ioctl: suppress needless warning messages

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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: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Milan Broz 2011-01-13 19:59:55 +00:00 committed by Alasdair G Kergon
parent 3474578593
commit 810b492375
1 changed files with 4 additions and 4 deletions
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8
drivers/md/dm-ioctl.c
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@ -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;
}