Backport fix for issue related to file corruption

Issue: openzfs/zfs#15526
Pull request: openzfs/zfs#15571

.SRCINFO

@@ -1,7 +1,7 @@
 pkgbase = zfs-dkms
 	pkgdesc = Kernel modules for the Zettabyte File System.
 	pkgver = 2.2.1
-	pkgrel = 1
+	pkgrel = 2
 	url = https://zfsonlinux.org/
 	arch = any
 	license = CDDL
@@ -10,14 +10,17 @@ pkgbase = zfs-dkms
 	provides = zfs
 	source = https://github.com/zfsonlinux/zfs/releases/download/zfs-2.2.1/zfs-2.2.1.tar.gz
 	source = https://github.com/zfsonlinux/zfs/releases/download/zfs-2.2.1/zfs-2.2.1.tar.gz.asc
+	source = https://github.com/openzfs/zfs/commit/30d581121bb122c90959658e7b28b1672d342897.patch
 	source = 0001-only-build-the-module-in-dkms.conf.patch
 	validpgpkeys = 4F3BA9AB6D1F8D683DC2DFB56AD860EED4598027
 	validpgpkeys = C33DF142657ED1F7C328A2960AB9E991C6AF658B
 	sha256sums = 4ff2de43d39710283ae8ff1744aa96e6cdc83c8efe86a715294d4f6bc34a8e8e
 	sha256sums = SKIP
+	sha256sums = 0a066b4c5f2bbe87dd02c19b4fb3bd51c7a237ed5ea23c5090e5915a1af3b10c
 	sha256sums = 8d5c31f883a906ab42776dcda79b6c89f904d8f356ade0dab5491578a6af55a5
 	b2sums = c3ff95c892024a11ee5c266b10e3354074606665a201fbab16e1ed12550340e0d991d98bd74f794331b68bd16cd6147a9e8937b8cda72d454abce72a22bafec6
 	b2sums = SKIP
+	b2sums = 26d1aebb0293cf2ab555c119bea7d991e0ff80c4d72f7707d2c4dad945d67d6f489324b914fa884f1f2d16cba6db63a85d85257da3400d7469cb4a12c88759d0
 	b2sums = 58dc2494e71b50833d44c126b72acad52e9817626542afbc245b7ba82009e8c8252ebde6023592aac42d9942207e7655c0a421da9067fbdd619746ebc372d791
 
 pkgname = zfs-dkms

PKGBUILD

@@ -4,7 +4,7 @@
 
 pkgname=zfs-dkms
 pkgver=2.2.1
-pkgrel=1
+pkgrel=2
 pkgdesc="Kernel modules for the Zettabyte File System."
 arch=('any')
 url="https://zfsonlinux.org/"
@@ -13,12 +13,15 @@ provides=("ZFS-MODULE=${pkgver}" "SPL-MODULE=${pkgver}")
 # ambiguous, provided for backwards compat, pls don't use
 provides+=('zfs')
 source=("https://github.com/zfsonlinux/zfs/releases/download/zfs-${pkgver}/zfs-${pkgver}.tar.gz"{,.asc}
+        "https://github.com/openzfs/zfs/commit/30d581121bb122c90959658e7b28b1672d342897.patch"
         "0001-only-build-the-module-in-dkms.conf.patch")
 sha256sums=('4ff2de43d39710283ae8ff1744aa96e6cdc83c8efe86a715294d4f6bc34a8e8e'
             'SKIP'
+            '0a066b4c5f2bbe87dd02c19b4fb3bd51c7a237ed5ea23c5090e5915a1af3b10c'
             '8d5c31f883a906ab42776dcda79b6c89f904d8f356ade0dab5491578a6af55a5')
 b2sums=('c3ff95c892024a11ee5c266b10e3354074606665a201fbab16e1ed12550340e0d991d98bd74f794331b68bd16cd6147a9e8937b8cda72d454abce72a22bafec6'
         'SKIP'
+        '26d1aebb0293cf2ab555c119bea7d991e0ff80c4d72f7707d2c4dad945d67d6f489324b914fa884f1f2d16cba6db63a85d85257da3400d7469cb4a12c88759d0'
         '58dc2494e71b50833d44c126b72acad52e9817626542afbc245b7ba82009e8c8252ebde6023592aac42d9942207e7655c0a421da9067fbdd619746ebc372d791')
 validpgpkeys=('4F3BA9AB6D1F8D683DC2DFB56AD860EED4598027'  # Tony Hutter (GPG key for signing ZFS releases) <[email protected]>
               'C33DF142657ED1F7C328A2960AB9E991C6AF658B') # Brian Behlendorf <[email protected]>
@@ -28,6 +31,9 @@ prepare() {
 
     patch -p1 -i ../0001-only-build-the-module-in-dkms.conf.patch
 
+    # Backport fix for issue related to file corruption. (https://github.com/openzfs/zfs/issues/15526)
+    patch -p1 -i ../30d581121bb122c90959658e7b28b1672d342897.patch
+
     # remove unneeded sections from module build
     sed -ri "/AC_CONFIG_FILES/,/]\)/{
 /AC_CONFIG_FILES/n