LU-3335 osd: self repair LMA by the RPC service thread

[fs/lustre-release.git] / lustre / osd-ldiskfs / osd_lproc.c

diff --git a/lustre/osd-ldiskfs/osd_lproc.c b/lustre/osd-ldiskfs/osd_lproc.c
index 5171863..83bb586 100644 (file)
--- a/lustre/osd-ldiskfs/osd_lproc.c
+++ b/lustre/osd-ldiskfs/osd_lproc.c
@@ -514,6 +514,38 @@ int lprocfs_osd_wr_readcache(struct file *file, const char *buffer,
        return count;
 }
 
+static int lprocfs_osd_rd_lma_self_repair(char *page, char **start, off_t off,
+                                         int count, int *eof, void *data)
+{
+       struct osd_device *dev = osd_dt_dev(data);
+
+       LASSERT(dev != NULL);
+       if (unlikely(dev->od_mnt == NULL))
+               return -EINPROGRESS;
+
+       *eof = 1;
+       return snprintf(page, count, "%d\n", !!dev->od_lma_self_repair);
+}
+
+static int lprocfs_osd_wr_lma_self_repair(struct file *file, const char *buffer,
+                                         unsigned long count, void *data)
+{
+       struct osd_device *dev = osd_dt_dev(data);
+       int                val;
+       int                rc;
+
+       LASSERT(dev != NULL);
+       if (unlikely(dev->od_mnt == NULL))
+               return -EINPROGRESS;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc)
+               return rc;
+
+       dev->od_lma_self_repair = !!val;
+       return count;
+}
+
 struct lprocfs_vars lprocfs_osd_obd_vars[] = {
        { "blocksize",          lprocfs_dt_rd_blksize,  0, 0 },
        { "kbytestotal",        lprocfs_dt_rd_kbytestotal,      0, 0 },
@@ -534,6 +566,8 @@ struct lprocfs_vars lprocfs_osd_obd_vars[] = {
                                        lprocfs_osd_wr_wcache, 0 },
        { "readcache_max_filesize",     lprocfs_osd_rd_readcache,
                                        lprocfs_osd_wr_readcache, 0 },
+       { "lma_self_repair",    lprocfs_osd_rd_lma_self_repair,
+                               lprocfs_osd_wr_lma_self_repair, 0, 0 },
        { 0 }
 };