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-rw-r--r--xlators/meta/src/loglevel-file.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/xlators/meta/src/loglevel-file.c b/xlators/meta/src/loglevel-file.c
new file mode 100644
index 00000000000..24ac68ddc69
--- /dev/null
+++ b/xlators/meta/src/loglevel-file.c
@@ -0,0 +1,93 @@
+/*
+ Copyright (c) 2014 Red Hat, Inc. <http://www.redhat.com>
+ This file is part of GlusterFS.
+
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
+*/
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "xlator.h"
+#include "defaults.h"
+
+#include "meta-mem-types.h"
+#include "meta.h"
+#include "strfd.h"
+
+
+static int
+loglevel_file_fill (xlator_t *this, inode_t *file, strfd_t *strfd)
+{
+ strprintf (strfd, "%d\n", this->ctx->log.loglevel);
+
+ return strfd->size;
+}
+
+
+static int
+loglevel_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
+ struct iovec *iov, int count, off_t offset,
+ uint32_t flags, struct iobref *iobref, dict_t *xdata)
+{
+ struct iatt dummy = { };
+ long int level = -1;
+
+ level = strtol (iov[0].iov_base, NULL, 0);
+ if (level >= GF_LOG_NONE && level <= GF_LOG_TRACE)
+ gf_log_set_loglevel (level);
+
+ META_STACK_UNWIND (writev, frame, iov_length (iov, count), 0,
+ &dummy, &dummy, xdata);
+ return 0;
+}
+
+
+int
+loglevel_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ off_t offset, dict_t *xdata)
+{
+ struct iatt iatt = { };
+
+ meta_iatt_fill (&iatt, loc->inode, IA_IFREG);
+
+ META_STACK_UNWIND (truncate, frame, 0, 0, &iatt, &iatt, xdata);
+ return 0;
+}
+
+
+int
+loglevel_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd,
+ off_t offset, dict_t *xdata)
+{
+ struct iatt iatt = { };
+
+ meta_iatt_fill (&iatt, fd->inode, IA_IFREG);
+
+ META_STACK_UNWIND (ftruncate, frame, 0, 0, &iatt, &iatt, xdata);
+ return 0;
+}
+
+static struct meta_ops loglevel_file_ops = {
+ .file_fill = loglevel_file_fill,
+ .fops = {
+ .truncate = loglevel_truncate,
+ .ftruncate = loglevel_ftruncate,
+ .writev = loglevel_writev
+ }
+};
+
+
+int
+meta_loglevel_file_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ dict_t *xdata)
+{
+ meta_ops_set (loc->inode, this, &loglevel_file_ops);
+
+ return 0;
+}