Adds a create-global-mounts option that builds and mounts a
mount point for each huge page size available. The mounts
will be under /var/lib/hugetlbfs/global, they will be owned
by root:root and will be set to 1777.
Signed-off-by: Eric B Munson <ebmun...@us.ibm.com>
---
Changes from V2:
Rebase to new mount point creation code
Changes from V2:
Update hugeadm man page with new options
Changes from V1:
Ensure that the base MOUNTS_DIR is readable by all
hugeadm.c | 13 ++++++++++++-
man/hugeadm.8 | 8 ++++++++
2 files changed, 20 insertions(+), 1 deletions(-)
diff --git a/hugeadm.c b/hugeadm.c
index 3e492dc..993ebae 100644
--- a/hugeadm.c
+++ b/hugeadm.c
@@ -81,6 +81,10 @@ void print_usage()
CONT("Creates a mount point for each available huge");
CONT("page size under /var/lib/hugetlbfs/<group>");
CONT("usable by group <group>");
+ OPTION("--create-global-mounts", "");
+ CONT("Creates a mount point for each available huge");
+ CONT("page size under /var/lib/hugetlbfs/global");
+ CONT("for use by anyone");
OPTION("--page-sizes", "Display page sizes that a configured pool");
OPTION("--page-sizes-all",
@@ -109,7 +113,8 @@ int opt_dry_run = 0;
#define LONG_MOUNTS ('m' << 8)
#define LONG_CREATE_MOUNTS (LONG_MOUNTS|'C')
#define LONG_CREATE_USER_MOUNTS (LONG_MOUNTS|'U')
-#define LONG_CREATE_GROUP_MOUNTS (LONG_MOUNTS|'G')
+#define LONG_CREATE_GROUP_MOUNTS (LONG_MOUNTS|'g')
+#define LONG_CREATE_GLOBAL_MOUNTS (LONG_MOUNTS|'G')
#define LONG_LIST_ALL_MOUNTS (LONG_MOUNTS|'A')
#define MAX_POOLS 32
@@ -553,6 +558,7 @@ int main(int argc, char** argv)
{"create-mounts", no_argument, NULL, LONG_CREATE_MOUNTS},
{"create-user-mounts", required_argument, NULL,
LONG_CREATE_USER_MOUNTS},
{"create-group-mounts", required_argument, NULL,
LONG_CREATE_GROUP_MOUNTS},
+ {"create-global-mounts", no_argument, NULL,
LONG_CREATE_GLOBAL_MOUNTS},
{"page-sizes", no_argument, NULL, LONG_PAGE_SIZES},
{"page-sizes-all", no_argument, NULL, LONG_PAGE_AVAIL},
@@ -633,6 +639,11 @@ int main(int argc, char** argv)
create_mounts(NULL, optarg, base, S_IRWXG);
break;
+ case LONG_CREATE_GLOBAL_MOUNTS:
+ snprintf(base, PATH_MAX, "%s/global", MOUNT_DIR);
+ create_mounts(NULL, NULL, base, S_IRWXU | S_IRWXG |
S_IRWXO);
+ break;
+
case LONG_PAGE_SIZES:
page_sizes(0);
break;
diff --git a/man/hugeadm.8 b/man/hugeadm.8
index 8cf5b5a..752efec 100644
--- a/man/hugeadm.8
+++ b/man/hugeadm.8
@@ -55,6 +55,14 @@ This creates mount points for each supported huge page size
under
--create-mounts. After creation they are mounted and are owned by
root:<group> with permissions set to 070.
+.TP
+.B --create-global-mounts
+
+This creates mount points for each supported huge page size under
+/var/lib/hugetlbfs/global. Mount point naming is the same as
+--create-mounts. After creation they are mounted and are owned by
+root:root with permissions set to 1777.
+
The following options display information about the pools.
.TP
--
1.6.0.3
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