exfat-dkms: add patch for linux4.18

resolves #3168

srcpkgs/exfat-dkms/patches/linux4.18.patch

@@ -0,0 +1,33 @@
+diff --git exfat_super.c exfat_super.c
+index 312de36..262b74d 100644
+--- exfat_super.c
++++ exfat_super.c
+@@ -97,6 +97,11 @@ static int exfat_default_codepage = CONFIG_EXFAT_DEFAULT_CODEPAGE;
+ static char exfat_default_iocharset[] = CONFIG_EXFAT_DEFAULT_IOCHARSET;
+ 
+ extern struct timezone sys_tz;
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,18,0)
++#define timespec_compat timespec64
++#else
++#define timespec_compat timespec
++#endif
+ 
+ #if LINUX_VERSION_CODE < KERNEL_VERSION(4,8,0)
+ #define current_time(x)        (CURRENT_TIME_SEC)
+@@ -147,7 +152,7 @@ static time_t accum_days_in_year[] = {
+ static void _exfat_truncate(struct inode *inode, loff_t old_size);
+ 
+ /* Convert a FAT time/date pair to a UNIX date (seconds since 1 1 70). */
+-void exfat_time_fat2unix(struct exfat_sb_info *sbi, struct timespec *ts,
++void exfat_time_fat2unix(struct exfat_sb_info *sbi, struct timespec_compat *ts,
+                                                 DATE_TIME_T *tp)
+ {
+        time_t year = tp->Year;
+@@ -166,7 +171,7 @@ void exfat_time_fat2unix(struct exfat_sb_info *sbi, struct timespec *ts,
+ }
+ 
+ /* Convert linear UNIX date to a FAT time/date pair. */
+-void exfat_time_unix2fat(struct exfat_sb_info *sbi, struct timespec *ts,
++void exfat_time_unix2fat(struct exfat_sb_info *sbi, struct timespec_compat *ts,
+                                                 DATE_TIME_T *tp)
+ {

srcpkgs/exfat-dkms/template

@@ -1,7 +1,7 @@
 # Template file for 'exfat-dkms'
 pkgname=exfat-dkms
 version=1.2.8
-revision=4
+revision=5
 _commit=01c30ad52625a7261e1b0d874553b6ca7af25966
 wrksrc="exfat-nofuse-${_commit}"
 short_desc="Exfat kernel driver (nofuse)"