The patch titled
Enable partitions for lguest block device
has been added to the -mm tree. Its filename is
enable-partitions-for-lguest-block-device.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Enable partitions for lguest block device
From: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
The lguest block device only requests one minor, which means
partitions don't work (eg "root=/dev/lgba1").
Let's follow the crowd and ask for 16.
Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/block/lguest_blk.c | 10 +++++++---
1 files changed, 7 insertions(+), 3 deletions(-)
diff -puN drivers/block/lguest_blk.c~enable-partitions-for-lguest-block-device drivers/block/lguest_blk.c
--- a/drivers/block/lguest_blk.c~enable-partitions-for-lguest-block-device
+++ a/drivers/block/lguest_blk.c
@@ -308,9 +308,13 @@ static int lguestblk_probe(struct lguest
}
/* This allocates a "struct gendisk" where we pack all the information
- * about the disk which the rest of Linux sees. We ask for one minor
- * number; I do wonder if we should be asking for more. */
- bd->disk = alloc_disk(1);
+ * about the disk which the rest of Linux sees. The argument is the
+ * number of minor devices desired: we need one minor for the main
+ * disk, and one for each partition. Of course, we can't possibly know
+ * how many partitions are on the disk (add_disk does that).
+ *
+ * Worst. Interface. Ever. */
+ bd->disk = alloc_disk(16);
if (!bd->disk) {
err = -ENOMEM;
goto out_unregister_blkdev;
_
Patches currently in -mm which might be from rusty@xxxxxxxxxxxxxxx are
enable-partitions-for-lguest-block-device.patch
git-kvm.patch
readahead-compacting-file_ra_state.patch
readahead-mmap-read-around-simplification.patch
readahead-combine-file_ra_stateprev_index-prev_offset-into-prev_pos.patch
readahead-combine-file_ra_stateprev_index-prev_offset-into-prev_pos-fix.patch
readahead-combine-file_ra_stateprev_index-prev_offset-into-prev_pos-fix-2.patch
radixtree-introduce-radix_tree_next_hole.patch
readahead-basic-support-of-interleaved-reads.patch
readahead-remove-the-local-copy-of-ra-in-do_generic_mapping_read.patch
readahead-remove-several-readahead-macros.patch
readahead-remove-the-limit-max_sectors_kb-imposed-on-max_readahead_kb.patch
filemap-trivial-code-cleanups.patch
filemap-convert-some-unsigned-long-to-pgoff_t.patch
mmaps2-vma-out-of-mem_size_stats.patch
maps2-make-proc-pid-smaps-optional-under-config_embeddedpatch.patch
maps2-make-proc-pid-smaps-optional-under-config_embeddedpatch-fix.patch
remove-unsafe-from-module-struct.patch
cpu-hotplug-cpu-deliver-cpu_up_canceled-only-to-notify_oked-callbacks-with-cpu_up_prepare.patch
mm-clean-up-and-kernelify-shrinker-registration-reiser4.patch
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