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Linux 5.17 compat: GENHD_FL_EXT_DEVT / GENHD_FL_NO_PART_SCAN

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As of the 5.17 kernel the GENHD_FL_EXT_DEVT flag has been removed
and the GENHD_FL_NO_PART_SCAN flag renamed GENHD_FL_NO_PART. Update
zvol_alloc() to set GENHD_FL_NO_PART for the newer kernels which
is sufficient.  The behavior for prior kernels remains unchanged.

1ebe2e5f ("block: remove GENHD_FL_EXT_DEVT")
46e7eac6 ("block: rename GENHD_FL_NO_PART_SCAN to GENHD_FL_NO_PART")

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #13294
Closes #13297
This commit is contained in:
Brian Behlendorf
2022-04-19 10:38:04 -07:00
committed by GitHub
parent ec4d860eb0
commit 026f126b83
3 changed files with 68 additions and 13 deletions
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config/kernel.m4
+2
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@@ -61,6 +61,7 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
ZFS_AC_KERNEL_SRC_BIO
ZFS_AC_KERNEL_SRC_BLKDEV
ZFS_AC_KERNEL_SRC_BLK_QUEUE
ZFS_AC_KERNEL_SRC_GENHD_FLAGS
ZFS_AC_KERNEL_SRC_REVALIDATE_DISK
ZFS_AC_KERNEL_SRC_GET_DISK_RO
ZFS_AC_KERNEL_SRC_GENERIC_READLINK_GLOBAL
@@ -174,6 +175,7 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
ZFS_AC_KERNEL_BIO
ZFS_AC_KERNEL_BLKDEV
ZFS_AC_KERNEL_BLK_QUEUE
ZFS_AC_KERNEL_GENHD_FLAGS
ZFS_AC_KERNEL_REVALIDATE_DISK
ZFS_AC_KERNEL_GET_DISK_RO
ZFS_AC_KERNEL_GENERIC_READLINK_GLOBAL