Add proposed fix for data loss on md raid0 when discard is used (FS#45040).

PKGBUILD

@@ -5,7 +5,7 @@ pkgbase=linux               # Build stock -ARCH kernel
 #pkgbase=linux-custom       # Build kernel with a different name
 _srcname=linux-4.0
 pkgver=4.0.4
-pkgrel=1
+pkgrel=2
 arch=('i686' 'x86_64')
 url="http://www.kernel.org/"
 license=('GPL2')
@@ -19,6 +19,7 @@ source=("https://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.xz"
         'config' 'config.x86_64'
         # standard config files for mkinitcpio ramdisk
         'linux.preset'
+        'md-raid0-fix-restore-to-sector-variable-in-raid0_mak.patch'
         'change-default-console-loglevel.patch')
 sha256sums=('0f2f7d44979bc8f71c4fc5d3308c03499c26a824dd311fdf6eef4dee0d7d5991'
             'SKIP'
@@ -27,6 +28,7 @@ sha256sums=('0f2f7d44979bc8f71c4fc5d3308c03499c26a824dd311fdf6eef4dee0d7d5991'
             'e8d639582697f22333a96aa1614bcf5d9bcf2e6683a3d5296f9cfc64843606f1'
             '5dadd75693e512b77f87f5620e470405b943373613eaf4df561037e9296453be'
             'f0d90e756f14533ee67afda280500511a62465b4f76adcc5effa95a40045179c'
+            'bc83293e64653d60793708a0e277741f57c018f5ea3551a8aff3a220df917ceb'
             '1256b241cd477b265a3c2d64bdc19ffe3c9bbcee82ea3994c590c2c76e767d99')
 validpgpkeys=(
               'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
@@ -43,7 +45,10 @@ prepare() {
 
   # add latest fixes from stable queue, if needed
   # http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git
-  
+
+  # https://bugzilla.kernel.org/show_bug.cgi?id=98501
+  patch -Np1 -i "${srcdir}/md-raid0-fix-restore-to-sector-variable-in-raid0_mak.patch"
+
   # set DEFAULT_CONSOLE_LOGLEVEL to 4 (same value as the 'quiet' kernel param)
   # remove this when a Kconfig knob is made available by upstream
   # (relevant patch sent upstream: https://lkml.org/lkml/2011/7/26/227)