From: Oleg Drokin <green@xxxxxxxxxxxxxx>
This is only used on the servers to evict clients.
Signed-off-by: Oleg Drokin <green@xxxxxxxxxxxxxx>
---
.../staging/lustre/lustre/include/lprocfs_status.h | 2 -
.../staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c | 49 ----------------------
2 files changed, 51 deletions(-)
diff --git a/drivers/staging/lustre/lustre/include/lprocfs_status.h b/drivers/staging/lustre/lustre/include/lprocfs_status.h
index 1b87a6a..742cb59 100644
--- 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 500687d..a033bae 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c
@@ -1208,55 +1208,6 @@ 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@xxxxxxxxxxxxx */
- 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,
--
2.1.0
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
