提交 c6e6f0ba 编写于 作者: D David Teigland 提交者: Steven Whitehouse

[DLM] force removal of user lockspace

Check if the FORCEFREE flag has been provided from user space.  If so, set
the force option to dlm_release_lockspace() so that any remaining locks
will be freed.
Signed-off-by: NDavid Teigland <teigland@redhat.com>
Signed-off-by: NSteven Whitehouse <swhiteho@redhat.com>
上级 623d9355
...@@ -325,7 +325,7 @@ static int device_remove_lockspace(struct dlm_lspace_params *params) ...@@ -325,7 +325,7 @@ static int device_remove_lockspace(struct dlm_lspace_params *params)
{ {
dlm_lockspace_t *lockspace; dlm_lockspace_t *lockspace;
struct dlm_ls *ls; struct dlm_ls *ls;
int error; int error, force = 0;
if (!capable(CAP_SYS_ADMIN)) if (!capable(CAP_SYS_ADMIN))
return -EPERM; return -EPERM;
...@@ -341,6 +341,9 @@ static int device_remove_lockspace(struct dlm_lspace_params *params) ...@@ -341,6 +341,9 @@ static int device_remove_lockspace(struct dlm_lspace_params *params)
} }
kfree(ls->ls_device.name); kfree(ls->ls_device.name);
if (params->flags & DLM_USER_LSFLG_FORCEFREE)
force = 2;
lockspace = ls->ls_local_handle; lockspace = ls->ls_local_handle;
/* dlm_release_lockspace waits for references to go to zero, /* dlm_release_lockspace waits for references to go to zero,
...@@ -348,8 +351,8 @@ static int device_remove_lockspace(struct dlm_lspace_params *params) ...@@ -348,8 +351,8 @@ static int device_remove_lockspace(struct dlm_lspace_params *params)
before the release will procede */ before the release will procede */
dlm_put_lockspace(ls); dlm_put_lockspace(ls);
error = dlm_release_lockspace(lockspace, 0); error = dlm_release_lockspace(lockspace, force);
out: out:
return error; return error;
} }
......
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