AcoSail/kernel_optimize_test
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[DLM] force removal of user lockspace

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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: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
David Teigland 2006-08-30 10:50:18 -05:00 committed by Steven Whitehouse
parent 623d93555c
commit c6e6f0ba8f
1 changed files with 6 additions and 3 deletions
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9
fs/dlm/user.c
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@ -325,7 +325,7 @@ static int device_remove_lockspace(struct dlm_lspace_params *params)
{
dlm_lockspace_t *lockspace;
struct dlm_ls *ls;
int error;
int error, force = 0;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@ -341,6 +341,9 @@ static int device_remove_lockspace(struct dlm_lspace_params *params)
}
kfree(ls->ls_device.name);
if (params->flags & DLM_USER_LSFLG_FORCEFREE)
force = 2;
lockspace = ls->ls_local_handle;
/* dlm_release_lockspace waits for references to go to zero,
@ -348,8 +351,8 @@ static int device_remove_lockspace(struct dlm_lspace_params *params)
before the release will procede */
dlm_put_lockspace(ls);
error = dlm_release_lockspace(lockspace, 0);
out:
error = dlm_release_lockspace(lockspace, force);
out:
return error;
}