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authorAnand Avati <avati@redhat.com>2014-03-29 06:01:36 -0700
committerAnand Avati <avati@redhat.com>2014-05-05 17:29:27 -0700
commitf01626d5bad8eb0298897e90a124301008cdd0da (patch)
tree9afe279162d94fc900a09e8b5acf0440606e7d1e /xlators/meta/src/loglevel-file.c
parent8160399a36eff62a49a066f16dea9140d877c5e8 (diff)
meta: export process state dump
Various parts of process state dump are exposed through most appropriate virual files/dirs Change-Id: Iff30f8ea76552f2f6d9c98def688c5ec4bc6f2af BUG: 1089216 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.org/7542 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Harshavardhana <harsha@harshavardhana.net>
Diffstat (limited to 'xlators/meta/src/loglevel-file.c')
-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;
+}