From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [v5,03/78] xarray: Add the xa_lock to the radix_tree_root From: "Kirill A. Shutemov" Message-Id: <20171227101718.o7ucns4garbsm5ju@node.shutemov.name> Date: Wed, 27 Dec 2017 13:17:18 +0300 To: Matthew Wilcox Cc: linux-kernel@vger.kernel.org, Matthew Wilcox , Ross Zwisler , David Howells , Shaohua Li , Jens Axboe , Rehas Sachdeva , Marc Zyngier , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-nilfs@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-xfs@vger.kernel.org, linux-usb@vger.kernel.org, linux-raid@vger.kernel.org List-ID: T24gVHVlLCBEZWMgMjYsIDIwMTcgYXQgMDc6NDM6NDBQTSAtMDgwMCwgTWF0dGhldyBXaWxjb3gg d3JvdGU6Cj4gT24gVHVlLCBEZWMgMjYsIDIwMTcgYXQgMDc6NTQ6NDBQTSArMDMwMCwgS2lyaWxs IEEuIFNodXRlbW92IHdyb3RlOgo+ID4gT24gRnJpLCBEZWMgMTUsIDIwMTcgYXQgMDI6MDM6MzVQ TSAtMDgwMCwgTWF0dGhldyBXaWxjb3ggd3JvdGU6Cj4gPiA+IEZyb206IE1hdHRoZXcgV2lsY294 IDxtYXdpbGNveEBtaWNyb3NvZnQuY29tPgo+ID4gPiAKPiA+ID4gVGhpcyByZXN1bHRzIGluIG5v IGNoYW5nZSBpbiBzdHJ1Y3R1cmUgc2l6ZSBvbiA2NC1iaXQgeDg2IGFzIGl0IGZpdHMgaW4KPiA+ ID4gdGhlIHBhZGRpbmcgYmV0d2VlbiB0aGUgZ2ZwX3QgYW5kIHRoZSB2b2lkICouCj4gPiAKPiA+ IFRoZSBwYXRjaCBkb2VzIG1vcmUgdGhhbiBkZXNjcmliZWQgaW4gdGhlIHN1YmplY3QgYW5kIGNv bW1pdCBtZXNzYWdlLiBBdCBmaXJzdAo+ID4gSSB3YXMgY29uZnVzZWQgd2h5IGRvIHlvdSBuZWVk IHRvIHRvdWNoIGlkciBoZXJlLiBJdCB0b29rIGZldyBtaW51dGVzIHRvIGZpZ3VyZQo+ID4gaXQg b3V0Lgo+ID4gCj4gPiBDb3VsZCB5b3UgcGxlYXNlIGFkZCBtb3JlIGludG8gY29tbWl0IG1lc3Nh Z2UgYWJvdXQgbG9ja25hbWUgYW5kIHhhXyBsb2NraW5nCj4gPiBpbnRlcmZhY2Ugc2luY2UgeW91 IGludHJvZHVjZSBpdCBoZXJlPwo+IAo+IFN1cmUhICBIb3cncyB0aGlzPwo+IAo+ICAgICB4YXJy YXk6IEFkZCB0aGUgeGFfbG9jayB0byB0aGUgcmFkaXhfdHJlZV9yb290Cj4gICAgIAo+ICAgICBU aGlzIHJlc3VsdHMgaW4gbm8gY2hhbmdlIGluIHN0cnVjdHVyZSBzaXplIG9uIDY0LWJpdCB4ODYg YXMgaXQgZml0cyBpbgo+ICAgICB0aGUgcGFkZGluZyBiZXR3ZWVuIHRoZSBnZnBfdCBhbmQgdGhl IHZvaWQgKi4KPiAgICAgCj4gICAgIEluaXRpYWxpc2luZyB0aGUgc3BpbmxvY2sgcmVxdWlyZXMg YSBuYW1lIGZvciB0aGUgYmVuZWZpdCBvZiBsb2NrZGVwLAo+ICAgICBzbyBSQURJWF9UUkVFX0lO SVQoKSBub3cgbmVlZHMgdG8ga25vdyB0aGUgbmFtZSBvZiB0aGUgcmFkaXggdHJlZSBpdCdzCj4g ICAgIGluaXRpYWxpc2luZywgYW5kIHNvIGRvIElEUl9JTklUKCkgYW5kIElEQV9JTklUKCkuCj4g ICAgIAo+ICAgICBBbHNvIGFkZCB0aGUgeGFfbG9jaygpIGFuZCB4YV91bmxvY2soKSBmYW1pbHkg b2Ygd3JhcHBlcnMgdG8gbWFrZSBpdAo+ICAgICBlYXNpZXIgdG8gdXNlIHRoZSBsb2NrLiAgSWYg d2UgY291bGQgcmVseSBvbiAtZnBsYW45LWV4dGVuc2lvbnMgaW4KPiAgICAgdGhlIGNvbXBpbGVy LCB3ZSBjb3VsZCBhdm9pZCBhbGwgb2YgdGhpcyBzeW50YWN0aWMgc3VnYXIsIGJ1dCB0aGF0Cj4g ICAgIHdhc24ndCBhZGRlZCB1bnRpbCBnY2MgNC42Lgo+IAoKTG9va3MgZ3JlYXQsIHRoYW5rcy4K