| Date | Thu, 15 Jan 2009 13:59:11 -0800 | From | Greg KH <> | Subject | [patch 09/85] md: fix bitmap-on-external-file bug. |
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2.6.27-stable review patch. If anyone has any objections, please let us know.
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From: NeilBrown <neilb@suse.de>
commit 538452700d95480c16e7aa6b10ff77cd937d33f4 upstream.
commit a2ed9615e3222645007fc19991aedf30eed3ecfd fixed a bug with 'internal' bitmaps, but in the process broke 'in a file' bitmaps. So they are broken in 2.6.28
This fixes it, and needs to go in 2.6.28-stable.
Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/md/bitmap.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
--- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -964,9 +964,11 @@ static int bitmap_init_from_disk(struct */ page = bitmap->sb_page; offset = sizeof(bitmap_super_t); - read_sb_page(bitmap->mddev, bitmap->offset, - page, - index, count); + if (!file) + read_sb_page(bitmap->mddev, + bitmap->offset, + page, + index, count); } else if (file) { page = read_page(file, index, bitmap, count); offset = 0;
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