Martchus
/
mdadm
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Fix wrong bitmap output for cluster raid 

For cluster raid, we need to displays bitmap related
contents from different bitmaps which are based on node
num. So bitmap_file_open and locate_bitmap are changed a
little bit for the purpose.

Reported-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Fixes: b98043a2f8 ("Show all bitmaps while examining bitmap")
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
This commit is contained in:
Guoqing Jiang 2016-03-07 17:31:02 +08:00 committed by Jes Sorensen
parent 942e1cdb4a
commit b138214fac
4 changed files with 17 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
bitmap.c
View File

@ -194,7 +194,7 @@ out:
return info;
}
int bitmap_file_open(char *filename, struct supertype **stp)
int bitmap_file_open(char *filename, struct supertype **stp, int node_num)
{
int fd;
struct stat stb;
@ -222,7 +222,7 @@ int bitmap_file_open(char *filename, struct supertype **stp)
st->ss->name);
return -1;
} else {
if (st->ss->locate_bitmap(st, fd)) {
if (st->ss->locate_bitmap(st, fd, node_num)) {
pr_err("%s doesn't have bitmap\n", filename);
fd = -1;
}
@ -267,7 +267,7 @@ int ExamineBitmap(char *filename, int brief, struct supertype *st)
int fd, i;
__u32 uuid32[4];
fd = bitmap_file_open(filename, &st);
fd = bitmap_file_open(filename, &st, 0);
if (fd < 0)
return rv;
@ -348,11 +348,11 @@ int ExamineBitmap(char *filename, int brief, struct supertype *st)
printf(" Cluster nodes : %d\n", sb->nodes);
printf(" Cluster name : %-64s\n", sb->cluster_name);
for (i = 0; i < (int)sb->nodes; i++) {
if (i) {
free(info);
info = bitmap_fd_read(fd, brief);
sb = &info->sb;
}
st = NULL;
free(info);
fd = bitmap_file_open(filename, &st, i);
info = bitmap_fd_read(fd, brief);
sb = &info->sb;
if (sb->magic != BITMAP_MAGIC)
pr_err("invalid bitmap magic 0x%x, the bitmap file appears to be corrupted\n", sb->magic);
@ -367,7 +367,7 @@ int ExamineBitmap(char *filename, int brief, struct supertype *st)
printf(" Bitmap : %llu bits (chunks), %llu dirty (%2.1f%%)\n",
info->total_bits, info->dirty_bits,
100.0 * info->dirty_bits / (info->total_bits?:1));
close(fd);
}
}

2
mdadm.h
View File

@ -904,7 +904,7 @@ extern struct superswitch {
/* Seek 'fd' to start of write-intent-bitmap. Must be an
* md-native format bitmap
*/
int (*locate_bitmap)(struct supertype *st, int fd);
int (*locate_bitmap)(struct supertype *st, int fd, int node_num);
/* if add_internal_bitmap succeeded for existing array, this
* writes it out.
*/

2
super0.c
View File

@ -1156,7 +1156,7 @@ static int add_internal_bitmap0(struct supertype *st, int *chunkp,
return 1;
}
static int locate_bitmap0(struct supertype *st, int fd)
static int locate_bitmap0(struct supertype *st, int fd, int node_num)
{
unsigned long long dsize;
unsigned long long offset;

12
super1.c
View File

@ -1548,7 +1548,7 @@ static int add_to_super1(struct supertype *st, mdu_disk_info_t *dk,
}
#endif
static int locate_bitmap1(struct supertype *st, int fd);
static int locate_bitmap1(struct supertype *st, int fd, int node_num);
static int store_super1(struct supertype *st, int fd)
{
@ -1622,7 +1622,7 @@ static int store_super1(struct supertype *st, int fd)
struct bitmap_super_s *bm = (struct bitmap_super_s*)
(((char*)sb)+MAX_SB_SIZE);
if (__le32_to_cpu(bm->magic) == BITMAP_MAGIC) {
locate_bitmap1(st, fd);
locate_bitmap1(st, fd, 0);
if (awrite(&afd, bm, sizeof(*bm)) != sizeof(*bm))
return 5;
}
@ -2062,7 +2062,7 @@ static int load_super1(struct supertype *st, int fd, char *devname)
* valid. If it doesn't clear the bit. An --assemble --force
* should get that written out.
*/
locate_bitmap1(st, fd);
locate_bitmap1(st, fd, 0);
if (aread(&afd, bsb, 512) != 512)
goto no_bitmap;
@ -2334,7 +2334,7 @@ add_internal_bitmap1(struct supertype *st,
return 1;
}
static int locate_bitmap1(struct supertype *st, int fd)
static int locate_bitmap1(struct supertype *st, int fd, int node_num)
{
unsigned long long offset;
struct mdp_superblock_1 *sb;
@ -2353,7 +2353,7 @@ static int locate_bitmap1(struct supertype *st, int fd)
else
ret = -1;
offset = __le64_to_cpu(sb->super_offset);
offset += (int32_t) __le32_to_cpu(sb->bitmap_offset);
offset += (int32_t) __le32_to_cpu(sb->bitmap_offset) * (node_num + 1);
if (mustfree)
free(sb);
lseek64(fd, offset<<9, 0);
@ -2408,7 +2408,7 @@ static int write_bitmap1(struct supertype *st, int fd, enum bitmap_update update
init_afd(&afd, fd);
locate_bitmap1(st, fd);
locate_bitmap1(st, fd, 0);
if (posix_memalign(&buf, 4096, 4096))
return -ENOMEM;