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authorDavid Teigland <teigland@redhat.com>2006-08-30 17:50:18 +0200
committerSteven Whitehouse <swhiteho@redhat.com>2006-08-31 18:15:37 +0200
commitc6e6f0ba8fc1dea99c7bd020916f24d533b62697 (patch)
treea27f0c7695e22fe83123448428bf77d32a5aa6ee
parent[GFS2] Fix releasepage bug (fixes direct i/o writes) (diff)
downloadlinux-c6e6f0ba8fc1dea99c7bd020916f24d533b62697.tar.xz
linux-c6e6f0ba8fc1dea99c7bd020916f24d533b62697.zip
[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: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
-rw-r--r--fs/dlm/user.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index 494d00ac014e..c37e93e4f2df 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -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;
}