Re: FAILED: patch "[PATCH] btrfs: enhance unsupported compat RO flags handling" failed to apply to 4.9-stable tree

[Greg KH <gregkh@linuxfoundation.org>]

On Mon, Oct 17, 2022 at 06:59:00AM +0800, Qu Wenruo wrote:
> 
> 
> On 2022/10/16 20:25, gregkh@linuxfoundation.org wrote:
> > 
> > The patch below does not apply to the 4.9-stable tree.
> > If someone wants it applied there, or to any other stable or longterm
> > tree, then please email the backport, including the original git commit
> > id to <stable@vger.kernel.org>.
> 
> Thanks for the mail, I'll backport the patch manually.
> 
> Just want to praise the new dependency hints.
> 
> > 
> > Possible dependencies:
> > 
> > 81d5d61454c3 ("btrfs: enhance unsupported compat RO flags handling")
> > dfe8aec4520b ("btrfs: add a btrfs_block_group_root() helper")
> > b6e9f16c5fda ("btrfs: replace open coded while loop with proper construct")
> > 42437a6386ff ("btrfs: introduce mount option rescue=ignorebadroots")
> > 68319c18cb21 ("btrfs: show rescue=usebackuproot in /proc/mounts")
> > ab0b4a3ebf14 ("btrfs: add a helper to print out rescue= options")
> > ceafe3cc3992 ("btrfs: sysfs: export supported rescue= mount options")
> > 334c16d82cfe ("btrfs: push the NODATASUM check into btrfs_lookup_bio_sums")
> > d70bf7484f72 ("btrfs: unify the ro checking for mount options")
> > 7573df5547c0 ("btrfs: sysfs: export supported send stream version")
> > 3ef3959b29c4 ("btrfs: don't show full path of bind mounts in subvol=")
> > 74ef00185eb8 ("btrfs: introduce "rescue=" mount option")
> > e3ba67a108ff ("btrfs: factor out reading of bg from find_frist_block_group")
> > 89d7da9bc592 ("btrfs: get mapping tree directly from fsinfo in find_first_block_group")
> > c730ae0c6bb3 ("btrfs: convert comments to fallthrough annotations")
> > aeb935a45581 ("btrfs: don't set SHAREABLE flag for data reloc tree")
> > 92a7cc425223 ("btrfs: rename BTRFS_ROOT_REF_COWS to BTRFS_ROOT_SHAREABLE")
> > 3be4d8efe3cf ("btrfs: block-group: rename write_one_cache_group()")
> > 97f4728af888 ("btrfs: block-group: refactor how we insert a block group item")
> > 7357623a7f4b ("btrfs: block-group: refactor how we delete one block group item")
> 
> It looks so awesome!!
> 
> I'm wondering how this is implemented? It would definitely help backporting
> not only to stable, but also some vendor backports branches.

Sasha's scripts generate these and put them online and you can do:
	curl --fail --silent https://git.kernel.org/pub/scm/linux/kernel/git/sashal/deps.git/plain/v$STABLE_VERSION/$git_id

to query the dependancy tree.

thanks,

greg k-h