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| author | NeilBrown <neilb@suse.de> | 2013-05-21 08:50:55 +0200 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2013-05-22 04:27:40 +0200 |
| commit | 8876bf0bb66d8437cd91607417ada386add14d04 (patch) | |
| tree | 5fd89b2778d3c4e639f3f8389dc82441961fe1d5 /Grow.c | |
| parent | Grow: E2BIG should be reporte differently if --data-offset was requested. (diff) | |
| download | mdadm-8876bf0bb66d8437cd91607417ada386add14d04.tar.xz mdadm-8876bf0bb66d8437cd91607417ada386add14d04.zip | |
Grow: allow a reshape which only changes --data-offset
Sometimes, that is all we want to do.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'Grow.c')
| -rw-r--r-- | Grow.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -1875,6 +1875,7 @@ size_change_error: if ((s->level == UnSet || s->level == array.level) && (s->layout_str == NULL) && (s->chunk == 0 || s->chunk == array.chunk_size) && + data_offset == INVALID_SECTORS && (s->raiddisks == 0 || s->raiddisks == array.raid_disks)) { /* Nothing more to do */ if (!changed && c->verbose >= 0) @@ -2757,6 +2758,9 @@ static int reshape_array(char *container, int fd, char *devname, Manage_subdevs(devname, fd, devlist, verbose, 0,NULL, 0); + + if (reshape.backup_blocks == 0 && data_offset) + reshape.backup_blocks = reshape.before.data_disks * info->array.chunk_size/512; if (reshape.backup_blocks == 0) { /* No restriping needed, but we might need to impose * some more changes: layout, raid_disks, chunk_size |