-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * lustre/fid/lproc_fid.c
- * Lustre Sequence Manager
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * Copyright (c) 2006 Cluster File Systems, Inc.
- * Author: Yury Umanets <umka@clusterfs.com>
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * lustre/fid/lproc_fid.c
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * Lustre Sequence Manager
*
- * In either case, Lustre is distributed in the hope that it will be
- * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * license text for more details.
+ * Author: Yury Umanets <umka@clusterfs.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_FID
#ifdef __KERNEL__
static int
seq_proc_write_common(struct file *file, const char *buffer,
unsigned long count, void *data,
- struct lu_range *range)
+ struct lu_seq_range *range)
{
- struct lu_range tmp;
+ struct lu_seq_range tmp;
int rc;
ENTRY;
LASSERT(range != NULL);
- rc = sscanf(buffer, "[%Lx - %Lx]\n", &tmp.lr_start, &tmp.lr_end);
+ rc = sscanf(buffer, "[%llx - %llx]\n",
+ (long long unsigned *)&tmp.lsr_start,
+ (long long unsigned *)&tmp.lsr_end);
if (rc != 2 || !range_is_sane(&tmp) || range_is_zero(&tmp))
RETURN(-EINVAL);
*range = tmp;
static int
seq_proc_read_common(char *page, char **start, off_t off,
int count, int *eof, void *data,
- struct lu_range *range)
+ struct lu_seq_range *range)
{
int rc;
ENTRY;
*eof = 1;
- rc = snprintf(page, count, "[%Lx - %Lx]\n",
- PRANGE(range));
+ rc = snprintf(page, count, "["LPX64" - "LPX64"]:%x:%s\n",
+ PRANGE(range));
RETURN(rc);
}
LASSERT(seq != NULL);
- down(&seq->lss_sem);
+ mutex_lock(&seq->lss_mutex);
rc = seq_proc_write_common(file, buffer, count,
data, &seq->lss_space);
if (rc == 0) {
CDEBUG(D_INFO, "%s: Space: "DRANGE"\n",
seq->lss_name, PRANGE(&seq->lss_space));
}
-
- up(&seq->lss_sem);
-
+
+ mutex_unlock(&seq->lss_mutex);
+
RETURN(count);
}
LASSERT(seq != NULL);
- down(&seq->lss_sem);
+ mutex_lock(&seq->lss_mutex);
rc = seq_proc_read_common(page, start, off, count, eof,
data, &seq->lss_space);
- up(&seq->lss_sem);
-
+ mutex_unlock(&seq->lss_mutex);
+
RETURN(rc);
}
} else {
rc = snprintf(page, count, "<none>\n");
}
-
+
RETURN(rc);
}
LASSERT(seq != NULL);
- down(&seq->lss_sem);
+ mutex_lock(&seq->lss_mutex);
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- RETURN(rc);
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc != 0) {
+ CERROR("%s: invalid width.\n", seq->lss_name);
+ GOTO(out_unlock, rc);
+ }
- seq->lss_width = val;
+ seq->lss_width = val;
+
+ CDEBUG(D_INFO, "%s: Width: "LPU64"\n",
+ seq->lss_name, seq->lss_width);
+out_unlock:
+ mutex_unlock(&seq->lss_mutex);
- if (rc == 0) {
- CDEBUG(D_INFO, "%s: Width: "LPU64"\n",
- seq->lss_name, seq->lss_width);
- }
-
- up(&seq->lss_sem);
-
RETURN(count);
}
LASSERT(seq != NULL);
- down(&seq->lss_sem);
+ mutex_lock(&seq->lss_mutex);
rc = snprintf(page, count, LPU64"\n", seq->lss_width);
- up(&seq->lss_sem);
-
+ mutex_unlock(&seq->lss_mutex);
+
RETURN(rc);
}
LASSERT(seq != NULL);
- down(&seq->lcs_sem);
+ mutex_lock(&seq->lcs_mutex);
rc = seq_proc_write_common(file, buffer, count,
data, &seq->lcs_space);
CDEBUG(D_INFO, "%s: Space: "DRANGE"\n",
seq->lcs_name, PRANGE(&seq->lcs_space));
}
-
- up(&seq->lcs_sem);
-
+
+ mutex_unlock(&seq->lcs_mutex);
+
RETURN(count);
}
LASSERT(seq != NULL);
- down(&seq->lcs_sem);
+ mutex_lock(&seq->lcs_mutex);
rc = seq_proc_read_common(page, start, off, count, eof,
data, &seq->lcs_space);
- up(&seq->lcs_sem);
-
+ mutex_unlock(&seq->lcs_mutex);
+
RETURN(rc);
}
unsigned long count, void *data)
{
struct lu_client_seq *seq = (struct lu_client_seq *)data;
+ __u64 max;
int rc, val;
ENTRY;
LASSERT(seq != NULL);
- down(&seq->lcs_sem);
+ mutex_lock(&seq->lcs_mutex);
rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
+ if (rc) {
+ mutex_unlock(&seq->lcs_mutex);
RETURN(rc);
+ }
- if (val <= LUSTRE_SEQ_MAX_WIDTH && val > 0) {
- seq->lcs_width = val;
+ if (seq->lcs_type == LUSTRE_SEQ_DATA)
+ max = LUSTRE_DATA_SEQ_MAX_WIDTH;
+ else
+ max = LUSTRE_METADATA_SEQ_MAX_WIDTH;
+
+ if (val <= max && val > 0) {
+ seq->lcs_width = val;
+
+ if (rc == 0) {
+ CDEBUG(D_INFO, "%s: Sequence size: "LPU64"\n",
+ seq->lcs_name, seq->lcs_width);
+ }
+ }
+
+ mutex_unlock(&seq->lcs_mutex);
- if (rc == 0) {
- CDEBUG(D_INFO, "%s: Sequence size: "LPU64"\n",
- seq->lcs_name, seq->lcs_width);
- }
- }
-
- up(&seq->lcs_sem);
-
RETURN(count);
}
LASSERT(seq != NULL);
- down(&seq->lcs_sem);
+ mutex_lock(&seq->lcs_mutex);
rc = snprintf(page, count, LPU64"\n", seq->lcs_width);
- up(&seq->lcs_sem);
-
+ mutex_unlock(&seq->lcs_mutex);
+
RETURN(rc);
}
LASSERT(seq != NULL);
- down(&seq->lcs_sem);
+ mutex_lock(&seq->lcs_mutex);
rc = snprintf(page, count, DFID"\n", PFID(&seq->lcs_fid));
- up(&seq->lcs_sem);
-
+ mutex_unlock(&seq->lcs_mutex);
+
RETURN(rc);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff