Re: [PATCH v11 02/40] iomap: support REQ_OP_ZONE_APPEND

2021-01-13 Thread Johannes Thumshirn
On 04/01/2021 23:36, Darrick J. Wong wrote: > On Tue, Dec 22, 2020 at 12:48:55PM +0900, Naohiro Aota wrote: >> A ZONE_APPEND bio must follow hardware restrictions (e.g. not exceeding >> max_zone_append_sectors) not to be split. bio_iov_iter_get_pages builds >> such restricted bio using __bio_iov_ap

Re: [PATCH v11 22/40] btrfs: split ordered extent when bio is sent

2021-01-13 Thread Johannes Thumshirn
On 12/01/2021 17:00, Josef Bacik wrote: > You're completely ignoring errors here which isn't ok. Fixed.

Re: [PATCH v11 27/40] btrfs: introduce dedicated data write path for ZONED mode

2021-01-13 Thread Naohiro Aota
On Tue, Jan 12, 2021 at 02:24:09PM -0500, Josef Bacik wrote: On 12/21/20 10:49 PM, Naohiro Aota wrote: If more than one IO is issued for one file extent, these IO can be written to separate regions on a device. Since we cannot map one file extent to such a separate area, we need to follow the "o

Re: [PATCH RFC] btrfs: no need to transition to rdonly for ENOSPC error

2021-01-13 Thread Anand Jain
On 12/1/21 10:41 pm, Josef Bacik wrote: On 1/12/21 5:34 AM, Anand Jain wrote: In the current kernel both scrub and balance fails due to ENOSPC, however there is no reason that it should be transitioned to the RDONLY and making free spaces difficult. Signed-off-by: Anand Jain ---   fs/btrfs/sup

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Re: [PATCH v11 08/40] btrfs: emulated zoned mode on non-zoned devices

2021-01-13 Thread David Sterba
On Tue, Dec 22, 2020 at 12:49:01PM +0900, Naohiro Aota wrote: > @@ -296,12 +383,22 @@ int btrfs_get_dev_zone_info(struct btrfs_device *device) > > device->zone_info = zone_info; > > - /* device->fs_info is not safe to use for printing messages */ > - btrfs_info_in_rcu(NULL, NULL

Re: [PATCH v11 08/40] btrfs: emulated zoned mode on non-zoned devices

2021-01-13 Thread Johannes Thumshirn
On 13/01/2021 19:00, David Sterba wrote: > so what changed that it's fine to use device->fs_info now while it was > not before? The time when we call btrfs_get_dev_zone_info() in "btrfs: defer loading zone info after opening trees". >From the commit message: "The current call site of btrfs_get_

Re: ERROR: failed to read block groups: Input/output error

2021-01-13 Thread Dāvis Mosāns
> > Hi, > > I've 6x 3TB HDD RAID1 BTRFS filesystem where HBA card failed and > caused some corruption. > When I try to mount it I get > $ mount /dev/sdt /mnt > mount: /mnt/: wrong fs type, bad option, bad superblock on /dev/sdt, > missing codepage or helper program, or other error > $ dmesg | tail

ERROR: failed to read block groups: Input/output error

2021-01-13 Thread Dāvis Mosāns
Hi, I've 6x 3TB HDD RAID1 BTRFS filesystem where HBA card failed and caused some corruption. When I try to mount it I get $ mount /dev/sdt /mnt mount: /mnt/: wrong fs type, bad option, bad superblock on /dev/sdt, missing codepage or helper program, or other error $ dmesg | tail -n 9 [ 617.158962]

Why do we need these mount options?

2021-01-13 Thread waxhead
Howdy, I was looking through the mount options and being a madman with strong opinions I can't help thinking that a lot of them does not really belong as mount options at all, but should rather be properties set on the subvolume - for example the toplevel subvolume. And any options set on a