staging/lustre/obdclass: Remove unused lprocfs_wr_evict_client

This is only used on the servers to evict clients.

Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/lustre/lustre/include/lprocfs_status.h b/drivers/staging/lustre/lustre/include/lprocfs_status.h
index 1b87a6a..742cb59 100644 (file)
--- a/drivers/staging/lustre/lustre/include/lprocfs_status.h
+++ b/drivers/staging/lustre/lustre/include/lprocfs_status.h
@@ -612,8 +612,6 @@ int lprocfs_at_hist_helper(struct seq_file *m, struct adaptive_timeout *at);
 int lprocfs_rd_timeouts(struct seq_file *m, void *data);
 int lprocfs_wr_timeouts(struct file *file, const char __user *buffer,
                        unsigned long count, void *data);
-int lprocfs_wr_evict_client(struct file *file, const char __user *buffer,
-                           size_t count, loff_t *off);
 int lprocfs_wr_ping(struct file *file, const char __user *buffer,
                    size_t count, loff_t *off);
 int lprocfs_wr_import(struct file *file, const char __user *buffer,

diff --git a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c
index 6c41104..d66a7b8 100644 (file)
--- a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c
@@ -1207,55 +1207,6 @@ void ptlrpc_lprocfs_unregister_obd(struct obd_device *obd)
 }
 EXPORT_SYMBOL(ptlrpc_lprocfs_unregister_obd);
 
-
-#define BUFLEN (UUID_MAX + 5)
-
-int lprocfs_wr_evict_client(struct file *file, const char __user *buffer,
-                           size_t count, loff_t *off)
-{
-       struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
-       char *kbuf;
-       char *tmpbuf;
-
-       kbuf = kzalloc(BUFLEN, GFP_NOFS);
-       if (!kbuf)
-               return -ENOMEM;
-
-       /*
-        * kzalloc() will zero kbuf, but we only copy BUFLEN - 1
-        * bytes into kbuf, to ensure that the string is NUL-terminated.
-        * UUID_MAX should include a trailing NUL already.
-        */
-       if (copy_from_user(kbuf, buffer,
-                              min_t(unsigned long, BUFLEN - 1, count))) {
-               count = -EFAULT;
-               goto out;
-       }
-       tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count));
-       /* Kludge code(deadlock situation): the lprocfs lock has been held
-        * since the client is evicted by writing client's
-        * uuid/nid to procfs "evict_client" entry. However,
-        * obd_export_evict_by_uuid() will call ldebugfs_remove() to destroy
-        * the proc entries under the being destroyed export{}, so I have
-        * to drop the lock at first here.
-        * - jay, jxiong@clusterfs.com */
-       class_incref(obd, __func__, current);
-
-       if (strncmp(tmpbuf, "nid:", 4) == 0)
-               obd_export_evict_by_nid(obd, tmpbuf + 4);
-       else if (strncmp(tmpbuf, "uuid:", 5) == 0)
-               obd_export_evict_by_uuid(obd, tmpbuf + 5);
-       else
-               obd_export_evict_by_uuid(obd, tmpbuf);
-
-       class_decref(obd, __func__, current);
-
-out:
-       kfree(kbuf);
-       return count;
-}
-EXPORT_SYMBOL(lprocfs_wr_evict_client);
-
 #undef BUFLEN
 
 int lprocfs_wr_ping(struct file *file, const char __user *buffer,