LU-1406 ofd: add FMD support

[fs/lustre-release.git] / lustre / ofd / lproc_ofd.c

diff --git a/lustre/ofd/lproc_ofd.c b/lustre/ofd/lproc_ofd.c
index e806a61..74dba8a 100644 (file)
--- a/lustre/ofd/lproc_ofd.c
+++ b/lustre/ofd/lproc_ofd.c
@@ -79,6 +79,66 @@ static int lprocfs_ofd_rd_last_id(char *page, char **start, off_t off,
        return retval;
 }
 
+int lprocfs_ofd_rd_fmd_max_num(char *page, char **start, off_t off,
+                              int count, int *eof, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+       int                      rc;
+
+       rc = snprintf(page, count, "%u\n", ofd->ofd_fmd_max_num);
+       return rc;
+}
+
+int lprocfs_ofd_wr_fmd_max_num(struct file *file, const char *buffer,
+                              unsigned long count, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+       int                      val;
+       int                      rc;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc)
+               return rc;
+
+       if (val > 65536 || val < 1)
+               return -EINVAL;
+
+       ofd->ofd_fmd_max_num = val;
+       return count;
+}
+
+int lprocfs_ofd_rd_fmd_max_age(char *page, char **start, off_t off,
+                              int count, int *eof, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+       int                      rc;
+
+       rc = snprintf(page, count, "%ld\n", ofd->ofd_fmd_max_age / CFS_HZ);
+       return rc;
+}
+
+int lprocfs_ofd_wr_fmd_max_age(struct file *file, const char *buffer,
+                              unsigned long count, void *data)
+{
+       struct obd_device       *obd = data;
+       struct ofd_device       *ofd = ofd_dev(obd->obd_lu_dev);
+       int                      val;
+       int                      rc;
+
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc)
+               return rc;
+
+       if (val > 65536 || val < 1)
+               return -EINVAL;
+
+       ofd->ofd_fmd_max_age = val * CFS_HZ;
+       return count;
+}
+
 static int lprocfs_ofd_rd_capa(char *page, char **start, off_t off,
                               int count, int *eof, void *data)
 {
@@ -271,6 +331,10 @@ static struct lprocfs_vars lprocfs_ofd_obd_vars[] = {
        { "instance",            lprocfs_target_rd_instance, 0 },
        { "ir_factor",           lprocfs_obd_rd_ir_factor,
                                 lprocfs_obd_wr_ir_factor, 0},
+       { "client_cache_count",  lprocfs_ofd_rd_fmd_max_num,
+                                lprocfs_ofd_wr_fmd_max_num, 0 },
+       { "client_cache_seconds", lprocfs_ofd_rd_fmd_max_age,
+                                 lprocfs_ofd_wr_fmd_max_age, 0 },
        { "capa",                lprocfs_ofd_rd_capa,
                                 lprocfs_ofd_wr_capa, 0 },
        { "capa_count",          lprocfs_ofd_rd_capa_count, 0, 0 },