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| author |   Paul Durrant <pdurrant@amazon.com> | 2019-12-02 11:41:17 +0000 |
|---|---|---|
| committer |   Juergen Gross <jgross@suse.com> | 2019-12-04 11:35:35 +0100 |
| commit | 14855954f63608c5622d5eaa964d3872ce5c5514 (patch) | |
| tree | 47775d38e3f27c12a0464fc877ab9cf5195df050 /drivers/block/xen-blkback/xenbus.c | |
| parent | xen/xenbus: reference count registered modules (diff) | |
| download | linux-dev-14855954f63608c5622d5eaa964d3872ce5c5514.tar.xz linux-dev-14855954f63608c5622d5eaa964d3872ce5c5514.zip | |
xen-blkback: allow module to be cleanly unloaded
Add a module_exit() to perform the necessary clean-up.
Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Reviewed-by: "Roger Pau Monné" <roger.pau@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/block/xen-blkback/xenbus.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index b90dbcd99c03..e8c5c54e1d26 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -333,6 +333,12 @@ int __init xen_blkif_interface_init(void) return 0; } +void xen_blkif_interface_fini(void) +{ + kmem_cache_destroy(xen_blkif_cachep); + xen_blkif_cachep = NULL; +} + /* * sysfs interface for VBD I/O requests */ @@ -1122,3 +1128,8 @@ int xen_blkif_xenbus_init(void) { return xenbus_register_backend(&xen_blkbk_driver); } + +void xen_blkif_xenbus_fini(void) +{ + xenbus_unregister_driver(&xen_blkbk_driver); +} |