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Grow: fix two problems with new_data_offset 

1/ ignore failed devices - obviously
2/ We need to tell the kernel which direction the reshape should
   progress even if we didn't choose the particular data_offset
   to use.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2013-06-24 13:04:38 +10:00
parent a6a78630ac
commit b397d7f3e0
1 changed files with 4 additions and 2 deletions
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6
Grow.c
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@ -2267,6 +2267,8 @@ static int set_new_data_offset(struct mdinfo *sra, struct supertype *st,
char *dn = map_dev(sd->disk.major, sd->disk.minor, 0);
unsigned long long new_data_offset;
if (sd->disk.state & (1<<MD_DISK_FAULTY))
continue;
if (delta_disks < 0) {
/* Don't need any space as array is shrinking
* just move data_offset up by min
@ -2308,9 +2310,9 @@ static int set_new_data_offset(struct mdinfo *sra, struct supertype *st,
dir = -1;
else
dir = 1;
sysfs_set_str(sra, NULL, "reshape_direction",
dir == 1 ? "backwards" : "forwards");
}
sysfs_set_str(sra, NULL, "reshape_direction",
dir == 1 ? "backwards" : "forwards");
if (dir > 0) {
/* Increase data offset */
if (after < min) {