diff options
author | Anand Avati <avati@redhat.com> | 2014-03-29 06:01:36 -0700 |
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committer | Anand Avati <avati@redhat.com> | 2014-05-05 17:29:27 -0700 |
commit | f01626d5bad8eb0298897e90a124301008cdd0da (patch) | |
tree | 9afe279162d94fc900a09e8b5acf0440606e7d1e /xlators/meta/src/subvolumes-dir.c | |
parent | 8160399a36eff62a49a066f16dea9140d877c5e8 (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/subvolumes-dir.c')
-rw-r--r-- | xlators/meta/src/subvolumes-dir.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/xlators/meta/src/subvolumes-dir.c b/xlators/meta/src/subvolumes-dir.c new file mode 100644 index 00000000000..f8d0e8039a1 --- /dev/null +++ b/xlators/meta/src/subvolumes-dir.c @@ -0,0 +1,72 @@ +/* + 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 "meta-hooks.h" + + +static int +subvolumes_dir_fill (xlator_t *this, inode_t *dir, struct meta_dirent **dp) +{ + struct meta_dirent *dirents = NULL; + xlator_t *xl = NULL; + xlator_list_t *subv = NULL; + int i = 0; + int count = 0; + + xl = meta_ctx_get (dir, this); + + for (subv = xl->children; subv; subv = subv->next) + count++; + + dirents = GF_CALLOC (sizeof (*dirents), count, gf_meta_mt_dirents_t); + if (!dirents) + return -1; + + for (subv = xl->children; subv; subv = subv->next) { + char num[16] = { }; + snprintf (num, 16, "%d", i); + + dirents[i].name = gf_strdup (num); + dirents[i].type = IA_IFLNK; + dirents[i].hook = meta_subvolume_link_hook; + i++; + } + + *dp = dirents; + + return count; +} + + +static struct meta_ops subvolumes_dir_ops = { + .dir_fill = subvolumes_dir_fill +}; + + +int +meta_subvolumes_dir_hook (call_frame_t *frame, xlator_t *this, loc_t *loc, + dict_t *xdata) +{ + meta_ctx_set (loc->inode, this, meta_ctx_get (loc->parent, this)); + + meta_ops_set (loc->inode, this, &subvolumes_dir_ops); + + return 0; +} |