* in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see [sun.com URL with a
- * copy of GPLv2].
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
#define DEBUG_SUBSYSTEM S_MDS
#include <linux/module.h>
+#include <linux/poll.h>
#include <obd.h>
#include <obd_class.h>
#include <lustre_ver.h>
#include <obd_support.h>
#include <lprocfs_status.h>
#include <lu_time.h>
-
+#include <lustre_log.h>
#include <lustre/lustre_idl.h>
+#include <libcfs/libcfs_string.h>
#include "mdd_internal.h"
rc = lu_time_init(&mdd->mdd_stats,
mdd->mdd_proc_entry,
mdd_counter_names, ARRAY_SIZE(mdd_counter_names));
+
EXIT;
out:
if (rc)
mdd_procfs_fini(mdd);
- return rc;
+ return rc;
}
int mdd_procfs_fini(struct mdd_device *mdd)
if (count > (sizeof(kernbuf) - 1))
return -EINVAL;
- if (copy_from_user(kernbuf, buffer, count))
+ if (cfs_copy_from_user(kernbuf, buffer, count))
return -EFAULT;
kernbuf[count] = '\0';
return snprintf(page, count, "%lu\n", mdd->mdd_atime_diff);
}
+
+/**** changelogs ****/
+static int lprocfs_rd_changelog_mask(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct mdd_device *mdd = data;
+ int i = 0, rc = 0;
+
+ *eof = 1;
+ while (i < CL_LAST) {
+ if (mdd->mdd_cl.mc_mask & (1 << i))
+ rc += snprintf(page + rc, count - rc, "%s ",
+ changelog_type2str(i));
+ i++;
+ }
+ return rc;
+}
+
+static int lprocfs_wr_changelog_mask(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct mdd_device *mdd = data;
+ char *kernbuf;
+ int rc;
+ ENTRY;
+
+ if (count >= CFS_PAGE_SIZE)
+ RETURN(-EINVAL);
+ OBD_ALLOC(kernbuf, CFS_PAGE_SIZE);
+ if (kernbuf == NULL)
+ RETURN(-ENOMEM);
+ if (cfs_copy_from_user(kernbuf, buffer, count))
+ GOTO(out, rc = -EFAULT);
+ kernbuf[count] = 0;
+
+ rc = libcfs_str2mask(kernbuf, changelog_type2str, &mdd->mdd_cl.mc_mask,
+ CHANGELOG_MINMASK, CHANGELOG_ALLMASK);
+ if (rc == 0)
+ rc = count;
+out:
+ OBD_FREE(kernbuf, CFS_PAGE_SIZE);
+ return rc;
+}
+
+struct cucb_data {
+ char *page;
+ int count;
+ int idx;
+};
+
+static int lprocfs_changelog_users_cb(struct llog_handle *llh,
+ struct llog_rec_hdr *hdr, void *data)
+{
+ struct llog_changelog_user_rec *rec;
+ struct cucb_data *cucb = (struct cucb_data *)data;
+
+ LASSERT(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN);
+
+ rec = (struct llog_changelog_user_rec *)hdr;
+
+ cucb->idx += snprintf(cucb->page + cucb->idx, cucb->count - cucb->idx,
+ CHANGELOG_USER_PREFIX"%-3d "LPU64"\n",
+ rec->cur_id, rec->cur_endrec);
+ if (cucb->idx >= cucb->count)
+ return -ENOSPC;
+
+ return 0;
+}
+
+static int lprocfs_rd_changelog_users(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct mdd_device *mdd = data;
+ struct llog_ctxt *ctxt;
+ struct cucb_data cucb;
+ __u64 cur;
+
+ *eof = 1;
+
+ ctxt = llog_get_context(mdd2obd_dev(mdd),LLOG_CHANGELOG_USER_ORIG_CTXT);
+ if (ctxt == NULL)
+ return -ENXIO;
+ LASSERT(ctxt->loc_handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT);
+
+ cfs_spin_lock(&mdd->mdd_cl.mc_lock);
+ cur = mdd->mdd_cl.mc_index;
+ cfs_spin_unlock(&mdd->mdd_cl.mc_lock);
+
+ cucb.count = count;
+ cucb.page = page;
+ cucb.idx = 0;
+
+ cucb.idx += snprintf(cucb.page + cucb.idx, cucb.count - cucb.idx,
+ "current index: "LPU64"\n", cur);
+
+ cucb.idx += snprintf(cucb.page + cucb.idx, cucb.count - cucb.idx,
+ "%-5s %s\n", "ID", "index");
+
+ llog_cat_process(ctxt->loc_handle, lprocfs_changelog_users_cb,
+ &cucb, 0, 0);
+
+ llog_ctxt_put(ctxt);
+ return cucb.idx;
+}
+
+#ifdef HAVE_QUOTA_SUPPORT
+static int mdd_lprocfs_quota_rd_type(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct mdd_device *mdd = data;
+ return lprocfs_quota_rd_type(page, start, off, count, eof,
+ mdd->mdd_obd_dev);
+}
+
+static int mdd_lprocfs_quota_wr_type(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct mdd_device *mdd = data;
+ return lprocfs_quota_wr_type(file, buffer, count, mdd->mdd_obd_dev);
+}
+#endif
+
+static int lprocfs_rd_sync_perm(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct mdd_device *mdd = data;
+
+ LASSERT(mdd != NULL);
+ return snprintf(page, count, "%d\n", mdd->mdd_sync_permission);
+}
+
+static int lprocfs_wr_sync_perm(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct mdd_device *mdd = data;
+ int val, rc;
+
+ LASSERT(mdd != NULL);
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ mdd->mdd_sync_permission = !!val;
+ return count;
+}
+
static struct lprocfs_vars lprocfs_mdd_obd_vars[] = {
- { "atime_diff", lprocfs_rd_atime_diff, lprocfs_wr_atime_diff, 0 },
+ { "atime_diff", lprocfs_rd_atime_diff, lprocfs_wr_atime_diff, 0 },
+ { "changelog_mask", lprocfs_rd_changelog_mask,
+ lprocfs_wr_changelog_mask, 0 },
+ { "changelog_users", lprocfs_rd_changelog_users, 0, 0},
+#ifdef HAVE_QUOTA_SUPPORT
+ { "quota_type", mdd_lprocfs_quota_rd_type,
+ mdd_lprocfs_quota_wr_type, 0 },
+#endif
+ { "sync_permission", lprocfs_rd_sync_perm, lprocfs_wr_sync_perm, 0 },
{ 0 }
};
lvars->module_vars = lprocfs_mdd_module_vars;
lvars->obd_vars = lprocfs_mdd_obd_vars;
}
+