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Update 6.12 kernel patches

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Ycarus (Yannick Chabanois) 2024-12-26 18:19:04 +01:00
parent bdb9b0046f
commit 9d83c70ced
247 changed files with 53301 additions and 589 deletions
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53
6.12/target/linux/generic/pending-6.12/452-block-add-support-for-notifications.patch
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@ -1,7 +1,34 @@
From e07ace307ce598847074a096f408bec0e3a392ed Mon Sep 17 00:00:00 2001
From patchwork Tue Jul 30 19:26:42 2024
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: Daniel Golle <daniel@makrotopia.org>
X-Patchwork-Id: 13747817
Date: Tue, 30 Jul 2024 20:26:42 +0100
From: Daniel Golle <daniel@makrotopia.org>
Date: Thu, 30 May 2024 03:14:34 +0100
Subject: [PATCH 3/9] block: add support for notifications
To: Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Jens Axboe <axboe@kernel.dk>,
Daniel Golle <daniel@makrotopia.org>, Christian Brauner <brauner@kernel.org>,
Al Viro <viro@zeniv.linux.org.uk>, Li Lingfeng <lilingfeng3@huawei.com>,
Ming Lei <ming.lei@redhat.com>, Christian Heusel <christian@heusel.eu>,
=?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= <rafal@milecki.pl>,
Felix Fietkau <nbd@nbd.name>, John Crispin <john@phrozen.org>,
Chad Monroe <chad.monroe@adtran.com>, Yangyu Chen <cyy@cyyself.name>,
Tianling Shen <cnsztl@immortalwrt.org>, Chuanhong Guo <gch981213@gmail.com>,
Chen Minqiang <ptpt52@gmail.com>, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-block@vger.kernel.org
Subject: [PATCH v5 3/4] block: add support for notifications
Message-ID:
<ca0022886e8f211a323a716653a1396a3bc91653.1722365899.git.daniel@makrotopia.org>
References: <cover.1722365899.git.daniel@makrotopia.org>
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Add notifier block to notify other subsystems about the addition or
removal of block devices.
@ -10,14 +37,14 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
block/Kconfig | 6 +++
block/Makefile | 1 +
block/blk-notify.c | 88 ++++++++++++++++++++++++++++++++++++++++++
include/linux/blkdev.h | 8 ++++
4 files changed, 103 insertions(+)
block/blk-notify.c | 87 ++++++++++++++++++++++++++++++++++++++++++
include/linux/blkdev.h | 11 ++++++
4 files changed, 105 insertions(+)
create mode 100644 block/blk-notify.c
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -208,6 +208,12 @@ config BLK_INLINE_ENCRYPTION_FALLBACK
@@ -209,6 +209,12 @@ config BLK_INLINE_ENCRYPTION_FALLBACK
by falling back to the kernel crypto API when inline
encryption hardware is not present.
@ -32,14 +59,14 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
config BLK_MQ_PCI
--- a/block/Makefile
+++ b/block/Makefile
@@ -40,3 +40,4 @@ obj-$(CONFIG_BLK_INLINE_ENCRYPTION) += b
@@ -38,3 +38,4 @@ obj-$(CONFIG_BLK_INLINE_ENCRYPTION) += b
blk-crypto-sysfs.o
obj-$(CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK) += blk-crypto-fallback.o
obj-$(CONFIG_BLOCK_HOLDER_DEPRECATED) += holder.o
+obj-$(CONFIG_BLOCK_NOTIFIERS) += blk-notify.o
--- /dev/null
+++ b/block/blk-notify.c
@@ -0,0 +1,88 @@
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Notifiers for addition and removal of block devices
@ -97,7 +124,6 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+ list_add_tail(&new_blkdev->list, &blk_devices);
+ raw_notifier_call_chain(&blk_notifier_list, BLK_DEVICE_ADD, dev);
+ mutex_unlock(&blk_notifier_lock);
+
+ return 0;
+}
+
@ -130,16 +156,19 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+device_initcall(blk_notifications_init);
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1564,4 +1564,12 @@ struct io_comp_batch {
@@ -1689,4 +1689,15 @@ static inline bool bdev_can_atomic_write
#define DEFINE_IO_COMP_BATCH(name) struct io_comp_batch name = { }
+
+#ifdef CONFIG_BLOCK_NOTIFIERS
+#define BLK_DEVICE_ADD 1
+#define BLK_DEVICE_REMOVE 2
+#if defined(CONFIG_BLOCK_NOTIFIERS)
+void blk_register_notify(struct notifier_block *nb);
+void blk_unregister_notify(struct notifier_block *nb);
+#else
+static inline void blk_register_notify(struct notifier_block *nb) { };
+static inline void blk_unregister_notify(struct notifier_block *nb) { };
+#endif
+
#endif /* _LINUX_BLKDEV_H */