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Cleanup libzpool/kernel.c

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Commit
  ec21397127 ("async zvol minor node creation interferes with receive")
replaced zvol_create_minors with zvol_create_minor and
zvol_create_minors_recursive, changing the prototype at the same time.

However the stub functions in libzpool/kernel.c were defined with the
old prototype. As the definitions are empty, this doesn't cause any
runtime issues, but an LTO build shows warnings because of the
mismatched prototypes.

Commit
  a0bd735adb ("Add support for asynchronous zvol minor operations")
removed the real zvol_remove_minor, but for some reason added a stub
implementation in libzpool/kernel.c with no references. Delete this dead
code.

Commit
  196bee4cfd ("Remove deduplicated send/receive code")
removed zfs_onexit_del_cb and zfs_onexit_cb_data. Drop the stubs as
well.

Add zvol.h include to provide prototypes, and sort the include
directives.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Closes #10470
This commit is contained in:
Arvind Sankar 2020-06-09 18:59:04 -04:00 committed by Brian Behlendorf
parent f734301d22
commit 1fa5c7af33
1 changed files with 12 additions and 29 deletions
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41
lib/libzpool/kernel.c
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@ -26,22 +26,24 @@
#include <assert.h>
#include <fcntl.h>
#include <libgen.h>
#include <poll.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <zlib.h>
#include <libgen.h>
#include <sys/crypto/icp.h>
#include <sys/processor.h>
#include <sys/rrwlock.h>
#include <sys/spa.h>
#include <sys/stat.h>
#include <sys/processor.h>
#include <sys/zfs_context.h>
#include <sys/rrwlock.h>
#include <sys/utsname.h>
#include <sys/time.h>
#include <sys/systeminfo.h>
#include <sys/time.h>
#include <sys/utsname.h>
#include <sys/zfs_context.h>
#include <sys/zfs_onexit.h>
#include <sys/zvol.h>
#include <zfs_fletcher.h>
#include <sys/crypto/icp.h>
#include <zlib.h>
/*
* Emulation of kernel services in userland.
@ -973,20 +975,6 @@ zfs_onexit_add_cb(minor_t minor, void (*func)(void *), void *data,
return (0);
}
/* ARGSUSED */
int
zfs_onexit_del_cb(minor_t minor, uint64_t action_handle, boolean_t fire)
{
return (0);
}
/* ARGSUSED */
int
zfs_onexit_cb_data(minor_t minor, uint64_t action_handle, void **data)
{
return (0);
}
fstrans_cookie_t
spl_fstrans_mark(void)
{
@ -1013,17 +1001,12 @@ kmem_cache_reap_active(void)
void *zvol_tag = "zvol_tag";
void
zvol_create_minor(spa_t *spa, const char *name, boolean_t async)
zvol_create_minor(const char *name)
{
}
void
zvol_create_minors_recursive(spa_t *spa, const char *name, boolean_t async)
{
}
void
zvol_remove_minor(spa_t *spa, const char *name, boolean_t async)
zvol_create_minors_recursive(const char *name)
{
}