From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Reinecke Subject: Re: [PATCH 2/2] dm-multipath: reduce memory pressure during requeuing Date: Mon, 20 Jan 2014 13:15:09 +0100 Message-ID: <52DD134D.10202@suse.de> References: <1389955328-107148-1-git-send-email-hare@suse.de> <1389955328-107148-3-git-send-email-hare@suse.de> <11AF7C027C4C02408624617A4986078401024EEB@BPXM12GP.gisp.nec.co.jp> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <11AF7C027C4C02408624617A4986078401024EEB@BPXM12GP.gisp.nec.co.jp> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Junichi Nomura , device-mapper development Cc: Mike Snitzer , Alasdair Kergon List-Id: dm-devel.ids T24gMDEvMjAvMjAxNCAxMjo1OSBQTSwgSnVuaWNoaSBOb211cmEgd3JvdGU6Cj4gT24gMDEvMTcv MTQgMTk6NDIsIEhhbm5lcyBSZWluZWNrZSB3cm90ZToKPj4gQEAgLTkwOCwxOSArOTEwLDkgQEAg c3RhdGljIHZvaWQgbXVsdGlwYXRoX2R0cihzdHJ1Y3QgZG1fdGFyZ2V0ICp0aSkKPj4gIHN0YXRp YyBpbnQgbXVsdGlwYXRoX21hcChzdHJ1Y3QgZG1fdGFyZ2V0ICp0aSwgc3RydWN0IHJlcXVlc3Qg KmNsb25lLAo+PiAgCQkJIHVuaW9uIG1hcF9pbmZvICptYXBfY29udGV4dCkKPj4gIHsKPj4gLQlp bnQgcjsKPj4gIAlzdHJ1Y3QgbXVsdGlwYXRoICptID0gKHN0cnVjdCBtdWx0aXBhdGggKikgdGkt PnByaXZhdGU7Cj4+ICAKPj4gLQlpZiAoc2V0X21hcGluZm8obSwgbWFwX2NvbnRleHQpIDwgMCkK Pj4gLQkJLyogRU5PTUVNLCByZXF1ZXVlICovCj4+IC0JCXJldHVybiBETV9NQVBJT19SRVFVRVVF Owo+PiAtCj4+IC0JY2xvbmUtPmNtZF9mbGFncyB8PSBSRVFfRkFJTEZBU1RfVFJBTlNQT1JUOwo+ PiAtCXIgPSBtYXBfaW8obSwgY2xvbmUsIG1hcF9jb250ZXh0KTsKPj4gLQlpZiAociA8IDAgfHwg ciA9PSBETV9NQVBJT19SRVFVRVVFKQo+PiAtCQljbGVhcl9tYXBpbmZvKG0sIG1hcF9jb250ZXh0 KTsKPj4gLQo+PiAtCXJldHVybiByOwo+PiArCXJldHVybiBtYXBfaW8obSwgY2xvbmUsIG1hcF9j b250ZXh0KTsKPj4gIH0KPiAKPiBOb3cgbXVsdGlwYXRoX21hcCgpIGlzIHRoZSBvbmx5IGNhbGxl ciBvZiBtYXBfaW8oKSBhbmQKPiBtb3N0IHBhcnQgb2YgbXVsdGlwYXRoX21hcCgpIGlzIG1vdmVk IHRvIG1hcF9pbygpLAo+IHRoZXJlIGlzIG5vIHJlYXNvbiB0byBzZXBhcmF0ZSB0aG9zZSBmdW5j dGlvbnMuCj4gWW91IGNvdWxkIGZvbGQgbWFwX2lvKCkgaW50byBtdWx0aXBhdGhfbWFwKCkuCj4g ClllcywgSSBjb3VsZC4KCkhvd2V2ZXIsIEkgZGlkbid0IGRvIHNvIChmb3IgdGhpcyBwYXRjaHNl dCkKYXMgdGhpcyB3b3VsZCBtYWtlIHJldmlld2luZyBoYXJkZXIuCgpCdXQgeWVhaCwgaXQgc2hv dWxkIGJlIG1lcmdlZC4KCkNoZWVycywKCkhhbm5lcwotLSAKRHIuIEhhbm5lcyBSZWluZWNrZQkJ ICAgICAgelNlcmllcyAmIFN0b3JhZ2UKaGFyZUBzdXNlLmRlCQkJICAgICAgKzQ5IDkxMSA3NDA1 MyA2ODgKU1VTRSBMSU5VWCBQcm9kdWN0cyBHbWJILCBNYXhmZWxkc3RyLiA1LCA5MDQwOSBOw7xy bmJlcmcKR0Y6IEouIEhhd24sIEouIEd1aWxkLCBGLiBJbWVuZMO2cmZmZXIsIEhSQiAxNjc0NiAo QUcgTsO8cm5iZXJnKQoKLS0KZG0tZGV2ZWwgbWFpbGluZyBsaXN0CmRtLWRldmVsQHJlZGhhdC5j b20KaHR0cHM6Ly93d3cucmVkaGF0LmNvbS9tYWlsbWFuL2xpc3RpbmZvL2RtLWRldmVs