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Add compatibility layer for {kmap,kunmap}_atomic

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Starting from linux-2.6.37, {kmap,kunmap}_atomic takes 1 argument instead of 2.
We use zfs_{kmap,kunmap}_atomic as wrappers and always take 2 argument, but
ignore the 2nd for newer kernel.

Signed-off-by: Chunwei Chen <tuxoko@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Chunwei Chen
2015-05-11 22:22:56 +08:00
committed by Brian Behlendorf
parent efc412b645
commit 17888ae30d
4 changed files with 63 additions and 1 deletions
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config/kernel.m4
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@@ -100,6 +100,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
ZFS_AC_KERNEL_LSEEK_EXECUTE
ZFS_AC_KERNEL_VFS_ITERATE
ZFS_AC_KERNEL_VFS_RW_ITERATE
ZFS_AC_KERNEL_KMAP_ATOMIC_ARGS
AS_IF([test "$LINUX_OBJ" != "$LINUX"], [
KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ"