diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-utils.c | 92 |
1 files changed, 62 insertions, 30 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c index d89eba6a4ab..3f36cef42c5 100644 --- a/xlators/mgmt/glusterd/src/glusterd-utils.c +++ b/xlators/mgmt/glusterd/src/glusterd-utils.c @@ -7071,6 +7071,21 @@ out: return needle; } +static struct fs_info { + char *fs_type_name; + char *fs_tool_name; + char *fs_tool_arg; + char *fs_tool_pattern; + char *fs_tool_pkg; +} glusterd_fs[] = { + /* some linux have these in /usr/sbin/and others in /sbin/? */ + { "xfs", "xfs_info", NULL, "isize=", "xfsprogs" }, + { "ext3", "tune2fs", "-l", "Inode size:", "e2fsprogs" }, + { "ext4", "tune2fs", "-l", "Inode size:", "e2fsprogs" }, + { "btrfs", NULL, NULL, NULL, NULL }, + { NULL, NULL, NULL, NULL, NULL} +}; + static int glusterd_add_inode_size_to_dict (dict_t *dict, int count) { @@ -7081,9 +7096,11 @@ glusterd_add_inode_size_to_dict (dict_t *dict, int count) char *device = NULL; char *fs_name = NULL; char *cur_word = NULL; - char *pattern = NULL; char *trail = NULL; runner_t runner = {0, }; + struct fs_info *fs = NULL; + char fs_tool_name[256] = {0, }; + static dict_t *cached_fs = NULL; memset (key, 0, sizeof (key)); snprintf (key, sizeof (key), "brick%d.device", count); @@ -7091,6 +7108,14 @@ glusterd_add_inode_size_to_dict (dict_t *dict, int count) if (ret) goto out; + if (cached_fs) { + if (dict_get_str (cached_fs, device, &cur_word) == 0) { + goto cached; + } + } else { + cached_fs = dict_new (); + } + memset (key, 0, sizeof (key)); snprintf (key, sizeof (key), "brick%d.fs_name", count); ret = dict_get_str (dict, key, &fs_name); @@ -7099,23 +7124,25 @@ glusterd_add_inode_size_to_dict (dict_t *dict, int count) runinit (&runner); runner_redir (&runner, STDOUT_FILENO, RUN_PIPE); - /* get inode size for xfs or ext2/3/4 */ - if (!strcmp (fs_name, "xfs")) { - - runner_add_args (&runner, "xfs_info", device, NULL); - pattern = "isize="; - } else if (IS_EXT_FS(fs_name)) { - - runner_add_args (&runner, "tune2fs", "-l", device, NULL); - pattern = "Inode size:"; - - } else { - ret = 0; - gf_log (THIS->name, GF_LOG_INFO, "Skipped fetching " - "inode size for %s: FS type not recommended", - fs_name); - goto out; + for (fs = glusterd_fs ; glusterd_fs->fs_type_name; fs++) { + if (strcmp (fs_name, fs->fs_type_name) == 0) { + snprintf (fs_tool_name, sizeof fs_tool_name, + "/usr/sbin/%s", fs->fs_tool_name); + if (access (fs_tool_name, R_OK|X_OK) == 0) + runner_add_arg (&runner, fs_tool_name); + else { + snprintf (fs_tool_name, sizeof fs_tool_name, + "/sbin/%s", fs->fs_tool_name); + if (access (fs_tool_name, R_OK|X_OK) == 0) + runner_add_arg (&runner, fs_tool_name); + } + if (runner.argv[0]) { + if (fs->fs_tool_arg) + runner_add_arg (&runner, fs->fs_tool_arg); + } + break; + } } ret = runner_start (&runner); @@ -7131,10 +7158,7 @@ glusterd_add_inode_size_to_dict (dict_t *dict, int count) * child and free resources. Fortunately, that seems to * be harmless for other kinds of failures. */ - if (runner_end(&runner)) { - gf_log (THIS->name, GF_LOG_ERROR, - "double failure calling runner_end"); - } + (void) runner_end(&runner); goto out; } @@ -7146,32 +7170,40 @@ glusterd_add_inode_size_to_dict (dict_t *dict, int count) if (trail) *trail = '\0'; - cur_word = glusterd_parse_inode_size (buffer, pattern); + cur_word = + glusterd_parse_inode_size (buffer, fs->fs_tool_pattern); + if (cur_word) break; } ret = runner_end (&runner); if (ret) { - gf_log (THIS->name, GF_LOG_ERROR, "%s exited with non-zero " - "exit status", ((!strcmp (fs_name, "xfs")) ? - "xfs_info" : "tune2fs")); + gf_log (THIS->name, GF_LOG_ERROR, + "%s exited with non-zero exit status", + fs->fs_tool_name); + goto out; } if (!cur_word) { ret = -1; - gf_log (THIS->name, GF_LOG_ERROR, "Unable to retrieve inode " - "size using %s", - (!strcmp (fs_name, "xfs")? "xfs_info": "tune2fs")); + gf_log (THIS->name, GF_LOG_ERROR, + "Unable to retrieve inode size using %s", + fs->fs_tool_name); goto out; } - inode_size = gf_strdup (cur_word); + if (dict_set_dynstr_with_alloc (cached_fs, device, cur_word)) { + /* not fatal if not entered into the cache */ + gf_log (THIS->name, GF_LOG_DEBUG, + "failed to cache fs inode size for %s", device); + } +cached: memset (key, 0, sizeof (key)); snprintf (key, sizeof (key), "brick%d.inode_size", count); - ret = dict_set_dynstr (dict, key, inode_size); + ret = dict_set_dynstr_with_alloc (dict, key, cur_word); out: if (ret) |