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-rw-r--r--mdadm.c87
1 files changed, 43 insertions, 44 deletions
diff --git a/mdadm.c b/mdadm.c
index 8cb4ba6..7d3b656 100644
--- a/mdadm.c
+++ b/mdadm.c
@@ -41,18 +41,23 @@
*/
static mdadm_status_t set_bitmap_value(struct shape *s, struct context *c, char *val)
{
- if (s->bitmap_file) {
+ if (s->btype != BitmapUnknown) {
pr_err("--bitmap cannot be set twice. Second value: \"%s\".\n", val);
return MDADM_STATUS_ERROR;
}
- if (strcmp(val, "internal") == 0 || strcmp(optarg, STR_COMMON_NONE) == 0) {
- s->bitmap_file = val;
+ if (strcmp(optarg, STR_COMMON_NONE) == 0) {
+ s->btype = BitmapNone;
+ return MDADM_STATUS_SUCCESS;
+ }
+
+ if (strcmp(val, "internal") == 0) {
+ s->btype = BitmapInternal;
return MDADM_STATUS_SUCCESS;
}
if (strcmp(val, "clustered") == 0) {
- s->bitmap_file = val;
+ s->btype = BitmapCluster;
/* Set the default number of cluster nodes
* to 4 if not already set by user
*/
@@ -62,17 +67,12 @@ static mdadm_status_t set_bitmap_value(struct shape *s, struct context *c, char
}
if (strchr(val, '/')) {
- pr_info("Custom write-intent bitmap file option is deprecated.\n");
- if (ask("Do you want to continue? (y/n)")) {
- s->bitmap_file = val;
- return MDADM_STATUS_SUCCESS;
- }
-
+ pr_err("Custom write-intent bitmap file option is not supported.\n");
return MDADM_STATUS_ERROR;
}
- pr_err("--bitmap value must contain a '/' or be 'internal', 'clustered' or 'none'\n");
- pr_err("Current value is \"%s\"", val);
+ pr_err("--bitmap value must be 'internal', 'clustered' or 'none'\n");
+ pr_err("Current value is \"%s\"\n", val);
return MDADM_STATUS_ERROR;
}
@@ -99,7 +99,6 @@ int main(int argc, char *argv[])
struct mddev_ident ident;
char *configfile = NULL;
int devmode = 0;
- int bitmap_fd = -1;
struct mddev_dev *devlist = NULL;
struct mddev_dev **devlistend = & devlist;
struct mddev_dev *dv;
@@ -116,6 +115,7 @@ int main(int argc, char *argv[])
.bitmap_chunk = UnSet,
.consistency_policy = CONSISTENCY_POLICY_UNKNOWN,
.data_offset = INVALID_SECTORS,
+ .btype = BitmapUnknown,
};
char sys_hostname[256];
@@ -1089,24 +1089,15 @@ int main(int argc, char *argv[])
case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */
case O(ASSEMBLE,Bitmap):
- if (!optarg) {
- pr_err("bitmap file needed with -b in --assemble mode\n");
- exit(2);
- }
- if (strcmp(optarg, "internal") == 0 ||
- strcmp(optarg, "clustered") == 0) {
+ if (optarg && (strcmp(optarg, "internal") == 0 ||
+ strcmp(optarg, "clustered")) == 0) {
pr_err("no need to specify --bitmap when assembling"
" arrays with internal or clustered bitmap\n");
continue;
}
- bitmap_fd = open(optarg, O_RDWR);
- if (!*optarg || bitmap_fd < 0) {
- pr_err("cannot open bitmap file %s: %s\n", optarg, strerror(errno));
- exit(2);
- }
- ident.bitmap_fd = bitmap_fd; /* for Assemble */
- continue;
+ pr_err("bitmap file is not supported %s\n", optarg);
+ exit(2);
case O(ASSEMBLE, BackupFile):
case O(GROW, BackupFile):
/* Specify a file into which grow might place a backup,
@@ -1256,12 +1247,11 @@ int main(int argc, char *argv[])
pr_err("PPL consistency policy is only supported for RAID level 5.\n");
exit(2);
} else if (s.consistency_policy == CONSISTENCY_POLICY_BITMAP &&
- (!s.bitmap_file || str_is_none(s.bitmap_file) == true)) {
+ s.btype == BitmapNone) {
pr_err("--bitmap is required for consistency policy: %s\n",
map_num_s(consistency_policies, s.consistency_policy));
exit(2);
- } else if (s.bitmap_file &&
- str_is_none(s.bitmap_file) == false &&
+ } else if ((s.btype == BitmapInternal || s.btype == BitmapCluster) &&
s.consistency_policy != CONSISTENCY_POLICY_BITMAP &&
s.consistency_policy != CONSISTENCY_POLICY_JOURNAL) {
pr_err("--bitmap is not compatible with consistency policy: %s\n",
@@ -1394,7 +1384,7 @@ int main(int argc, char *argv[])
c.brief = 1;
if (mode == CREATE) {
- if (s.bitmap_file && strcmp(s.bitmap_file, "clustered") == 0) {
+ if (s.btype == BitmapCluster) {
locked = cluster_get_dlmlock();
if (locked != 1)
exit(1);
@@ -1479,7 +1469,17 @@ int main(int argc, char *argv[])
case BUILD:
if (c.delay == 0)
c.delay = DEFAULT_BITMAP_DELAY;
- if (s.write_behind && !s.bitmap_file) {
+
+ if (s.btype == BitmapUnknown)
+ s.btype = BitmapNone;
+
+ if (s.btype != BitmapNone) {
+ pr_err("--build argument only compatible with --bitmap=none\n");
+ rv |= 1;
+ break;
+ }
+
+ if (s.write_behind) {
pr_err("write-behind mode requires a bitmap.\n");
rv = 1;
break;
@@ -1490,14 +1490,6 @@ int main(int argc, char *argv[])
break;
}
- if (s.bitmap_file) {
- if (strcmp(s.bitmap_file, "internal") == 0 ||
- strcmp(s.bitmap_file, "clustered") == 0) {
- pr_err("'internal' and 'clustered' bitmaps not supported with --build\n");
- rv |= 1;
- break;
- }
- }
rv = Build(&ident, devlist->next, &s, &c);
break;
case CREATE:
@@ -1505,8 +1497,7 @@ int main(int argc, char *argv[])
c.delay = DEFAULT_BITMAP_DELAY;
if (c.nodes) {
- if (!s.bitmap_file ||
- strcmp(s.bitmap_file, "clustered") != 0) {
+ if (s.btype != BitmapCluster) {
pr_err("--nodes argument only compatible with --bitmap=clustered\n");
rv = 1;
break;
@@ -1524,7 +1515,7 @@ int main(int argc, char *argv[])
}
}
- if (s.write_behind && !s.bitmap_file) {
+ if (s.write_behind && s.btype == BitmapNone) {
pr_err("write-behind mode requires a bitmap.\n");
rv = 1;
break;
@@ -1535,6 +1526,14 @@ int main(int argc, char *argv[])
break;
}
+ if (s.btype == BitmapUnknown) {
+ if (c.runstop != 1 && s.level >= 1 &&
+ ask("To optimalize recovery speed, it is recommended to enable write-indent bitmap, do you want to enable it now?"))
+ s.btype = BitmapInternal;
+ else
+ s.btype = BitmapNone;
+ }
+
rv = Create(ss, &ident, devs_found - 1, devlist->next, &s, &c);
break;
case MISC:
@@ -1626,7 +1625,7 @@ int main(int argc, char *argv[])
if (devs_found > 1 && s.raiddisks == 0 && s.level == UnSet) {
/* must be '-a'. */
if (s.size > 0 || s.chunk ||
- s.layout_str || s.bitmap_file) {
+ s.layout_str || s.btype != BitmapNone) {
pr_err("--add cannot be used with other geometry changes in --grow mode\n");
rv = 1;
break;
@@ -1636,7 +1635,7 @@ int main(int argc, char *argv[])
if (rv)
break;
}
- } else if (s.bitmap_file) {
+ } else if (s.btype != BitmapUnknown) {
if (s.size > 0 || s.raiddisks || s.chunk ||
s.layout_str || devs_found > 1) {
pr_err("--bitmap changes cannot be used with other geometry changes in --grow mode\n");