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| author | NeilBrown <neilb@suse.de> | 2012-05-22 05:55:26 +0200 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2012-05-22 05:55:26 +0200 |
| commit | b81a040481233e5171cb3fbc62f44636d5ea18b2 (patch) | |
| tree | 769294e4042e3aa462306d3ad8a030d06ec7d19d /drivers/md/bitmap.c | |
| parent | md/bitmap: add bitmap_resize function to allow bitmap resizing. (diff) | |
| download | linux-b81a040481233e5171cb3fbc62f44636d5ea18b2.tar.xz linux-b81a040481233e5171cb3fbc62f44636d5ea18b2.zip | |
md/bitmap: make sure reshape request are reflected in superblock.
As a reshape may change the sync_size and/or chunk_size, we need
to update these whenever we write out the bitmap superblock.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/bitmap.c')
| -rw-r--r-- | drivers/md/bitmap.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index a35561f8f57d..8f681da00277 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -420,6 +420,9 @@ void bitmap_update_sb(struct bitmap *bitmap) /* Just in case these have been changed via sysfs: */ sb->daemon_sleep = cpu_to_le32(bitmap->mddev->bitmap_info.daemon_sleep/HZ); sb->write_behind = cpu_to_le32(bitmap->mddev->bitmap_info.max_write_behind); + /* This might have been changed by a reshape */ + sb->sync_size = cpu_to_le64(bitmap->mddev->resync_max_sectors); + sb->chunksize = cpu_to_le32(bitmap->mddev->bitmap_info.chunksize); kunmap_atomic(sb); write_page(bitmap, bitmap->storage.sb_page, 1); } |