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device-dax: Drop register_filesystem()

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The device-dax fs is only there to allocate a common inode for each
device-node that refers to the same device by major:minor. It is
otherwise not user mountable and need not be displayed in
/proc/filesystems.

Reported-by: Al Viro <[email protected]>
Acked-by: Al Viro <[email protected]>
Signed-off-by: Dan Williams <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Dan Williams 2019-05-20 13:44:57 +01:00 • committed by David Howells
commit 1a6e9e76b7
1 changed files with 0 additions and 7 deletions
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7
drivers/dax/super.c
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@ -630,10 +630,6 @@ static int dax_fs_init(void)
if (!dax_cache)
return -ENOMEM;
rc = register_filesystem(&dax_fs_type);
if (rc)
goto err_register_fs;
dax_mnt = kern_mount(&dax_fs_type);
if (IS_ERR(dax_mnt)) {
rc = PTR_ERR(dax_mnt);
@ -644,8 +640,6 @@ static int dax_fs_init(void)
return 0;
err_mount:
unregister_filesystem(&dax_fs_type);
err_register_fs:
kmem_cache_destroy(dax_cache);
return rc;
@ -654,7 +648,6 @@ static int dax_fs_init(void)
static void dax_fs_exit(void)
{
kern_unmount(dax_mnt);
unregister_filesystem(&dax_fs_type);
kmem_cache_destroy(dax_cache);
}