[PATCH 18/53] Treat feature as experimental
From: Adam Kwolek <hidden>
Date: 2010-11-26 08:06:08
Subsystem:
the rest · Maintainer:
Linus Torvalds
Due to fact that IMSM Windows compatibility was not tested yet, feature has to be treated as experimental until compatibility verification will be performed. Signed-off-by: Adam Kwolek <redacted> --- mdadm.h | 1 + super-intel.c | 4 ++++ util.c | 10 ++++++++++ 3 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/mdadm.h b/mdadm.h
index 64b32cc..bf3c1d3 100644
--- a/mdadm.h
+++ b/mdadm.h@@ -890,6 +890,7 @@ extern char *conf_word(FILE *file, int allow_key); extern int conf_name_is_free(char *name); extern int devname_matches(char *name, char *match); extern struct mddev_ident_s *conf_match(struct mdinfo *info, struct supertype *st); +extern inline int experimental(void); extern void free_line(char *line); extern int match_oneof(char *devices, char *devname);
diff --git a/super-intel.c b/super-intel.c
index 2434fa1..f092ccc 100644
--- a/super-intel.c
+++ b/super-intel.c@@ -5780,6 +5780,10 @@ int imsm_reshape_super(struct supertype *st, long long size, int level, int fd = -1; char buf[PATH_MAX]; + + if (experimental() == 0) + return ret_val; + snprintf(buf, PATH_MAX, "/dev/md%i", st->devnum); fd = open(buf , O_RDONLY | O_DIRECT); if (fd < 0) {
diff --git a/util.c b/util.c
index 8739278..f220792 100644
--- a/util.c
+++ b/util.c@@ -1859,3 +1859,13 @@ void append_metadata_update(struct supertype *st, void *buf, int len) unsigned int __invalid_size_argument_for_IOC = 0; #endif +inline int experimental(void) +{ + if (check_env("MDADM_EXPERIMENTAL")) + return 1; + else { + fprintf(stderr, Name "(IMSM): To use this feature MDADM_EXPERIMENTAL enviroment variable has to defined.\n"); + return 0; + } +} +