This adds the ability to convert a regular md without bitmap
(--bitmap=none) to a clustered device (--bitmap=clustered).
To convert a device with --bitmap=internal or --bitmap=external,
you have to convert to --bitmap=none and then re-execute the
command with --bitmap=clustered.
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx>
Signed-off-by: Guoqing Jiang <gqjiang@xxxxxxxx>
---
Grow.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/Grow.c b/Grow.c
index 3180be9..90a7fe9 100644
--- a/Grow.c
+++ b/Grow.c
@@ -330,8 +330,7 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s)
}
return 0;
}
- pr_err("Internal bitmap already present on %s\n",
- devname);
+ pr_err("%s bitmap already present on %s\n", s->bitmap_file, devname);
return 1;
}
@@ -375,7 +374,8 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s)
free(st);
return 1;
}
- if (strcmp(s->bitmap_file, "internal") == 0) {
+ if (strcmp(s->bitmap_file, "internal") == 0 ||
+ strcmp(s->bitmap_file, "clustered") == 0) {
int rv;
int d;
int offset_setable = 0;
@@ -384,6 +384,8 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s)
pr_err("Internal bitmaps not supported with %s metadata\n", st->ss->name);
return 1;
}
+ st->nodes = c->nodes;
+ st->cluster_name = c->homecluster;
mdi = sysfs_read(fd, NULL, GET_BITMAP_LOCATION);
if (mdi)
offset_setable = 1;
@@ -426,6 +428,8 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s)
rv = sysfs_set_num_signed(mdi, NULL, "bitmap/location",
mdi->bitmap_offset);
} else {
+ if (strcmp(s->bitmap_file, "clustered") == 0)
+ array.state |= (1<<MD_SB_CLUSTERED);
array.state |= (1<<MD_SB_BITMAP_PRESENT);
rv = ioctl(fd, SET_ARRAY_INFO, &array);
}
--
1.7.12.4
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