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	```
os/linux/zfs/zvol_os.c:1111:3: error: ignoring return value of function
  declared with 'warn_unused_result' attribute [-Werror,-Wunused-result]
                add_disk(zv->zv_zso->zvo_disk);
                ^~~~~~~~ ~~~~~~~~~~~~~~~~~~~~
zpl_xattr.c:1579:1: warning: no previous prototype for function
  'zpl_posix_acl_release_impl' [-Wmissing-prototypes]
```
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: szubersk <szuberskidamian@gmail.com>
Closes #13551
		
	
			
		
			
				
	
	
		
			25 lines
		
	
	
		
			536 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			536 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
dnl #
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dnl # 5.16 API change
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dnl # add_disk grew a must-check return code
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_ADD_DISK], [
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	ZFS_LINUX_TEST_SRC([add_disk_ret], [
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		#include <linux/blkdev.h>
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	], [
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		struct gendisk *disk = NULL;
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		int error __attribute__ ((unused)) = add_disk(disk);
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	])
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])
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AC_DEFUN([ZFS_AC_KERNEL_ADD_DISK], [
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	AC_MSG_CHECKING([whether add_disk() returns int])
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	ZFS_LINUX_TEST_RESULT([add_disk_ret],
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	[
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		AC_MSG_RESULT(yes)
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		AC_DEFINE(HAVE_ADD_DISK_RET, 1,
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		    [add_disk() returns int])
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	], [
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		AC_MSG_RESULT(no)
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	])
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])
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