Re: [PATCH RFC 0/32] block: Make blkdev_get_by_*() return handle
Christoph Hellwig <[email protected]>
| Newsgroups | gmane.linux.kernel.bcache.devel,gmane.linux.block,gmane.linux.file-systems,gmane.linux.kernel.device-mapper.devel,gmane.linux.kernel.drbd.devel,gmane.comp.file-systems.btrfs,gmane.comp.file-systems.ext4,gmane.linux.file-systems.f2fs,gmane.linux.kernel.mm,gmane.linux.drivers.mtd,gmane.linux.nfs,gmane.comp.file-systems.nilfs.user,gmane.linux.power-management.general,gmane.linux.raid,gmane.linux.scsi,gmane.comp.file-systems.ocfs2.devel,gmane.comp.file-systems.reiserfs.general,gmane.linux.scsi.target.devel,gmane.comp.emulators.xen.devel |
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| Message-ID | <[email protected]> |
On Tue, Jul 04, 2023 at 02:21:27PM +0200, Jan Kara wrote: > Hello, > > this patch series implements the idea of blkdev_get_by_*() calls returning > bdev_handle which is then passed to blkdev_put() [1]. This makes the get > and put calls for bdevs more obviously matching and allows us to propagate > context from get to put without having to modify all the users (again!). > In particular I need to propagate used open flags to blkdev_put() to be able > count writeable opens and add support for blocking writes to mounted block > devices. I'll send that series separately. > > The series is based on Linus' tree as of yesterday + two bcache fixes which are > in the block tree. Patches have passed some basic testing, I plan to test more > users once we agree this is the right way to go. Can you post a link to a git branch for this and the follow up series? Especially with a fairly unstable base it's kinda hard to look at the result otherwise.