Re: [PATCH man-pages] Document encoded I/O

2019-10-20 Thread Amir Goldstein
CC: Ted What ever happened to read/write ext4 encrypted data API? https://marc.info/?l=linux-ext4&m=145030599010416&w=2 Can we learn anything from the ext4 experience to improve the new proposed API? On Wed, Oct 16, 2019 at 12:29 AM Omar Sandoval wrote: > > From: Omar Sandoval > > This adds a

Re: [RFC PATCH v2 0/5] fs: interface for directly reading/writing compressed data

2019-10-20 Thread Dave Chinner
On Tue, Oct 15, 2019 at 11:42:38AM -0700, Omar Sandoval wrote: > From: Omar Sandoval > > Hello, > > This series adds an API for reading compressed data on a filesystem > without decompressing it as well as support for writing compressed data > directly to the filesystem. It is based on my previo

Re: MD RAID 5/6 vs BTRFS RAID 5/6

2019-10-20 Thread Chris Murphy
On Sat, Oct 19, 2019 at 12:18 AM Supercilious Dude wrote: > > It would be be useful to have the ability to scrub only the metadata. In many > cases the data is so large that a full scrub is not feasible. In my "little" > test system of 34TB a full scrub takes many hours and the IOPS saturate the

Re: MD RAID 5/6 vs BTRFS RAID 5/6

2019-10-20 Thread Chris Murphy
On Thu, Oct 17, 2019 at 8:23 PM Graham Cobb wrote: > > On 17/10/2019 16:57, Chris Murphy wrote: > > On Wed, Oct 16, 2019 at 10:07 PM Jon Ander MB > > wrote: > >> > >> It would be interesting to know the pros and cons of this setup that > >> you are suggesting vs zfs. > >> +zfs detects and correc

Re: [PATCH 0/3] btrfs-progs: Add check and repair for invalid inode generation

2019-10-20 Thread Ferry Toth
Op 20-10-2019 om 16:11 schreef Qu Wenruo: On 2019/10/20 下午9:29, Ferry Toth wrote: Op 20-10-2019 om 15:15 schreef Qu WenRuo: On 2019/10/20 下午9:04, Ferry Toth wrote: Op 20-10-2019 om 02:51 schreef Qu Wenruo: On 2019/10/20 上午8:26, Qu Wenruo wrote: On 2019/10/20 上午12:24, Ferry Toth wrote

Re: [PATCH 0/3] btrfs-progs: Add check and repair for invalid inode generation

2019-10-20 Thread Qu Wenruo
On 2019/10/20 下午9:29, Ferry Toth wrote: > Op 20-10-2019 om 15:15 schreef Qu WenRuo: >> >> >> On 2019/10/20 下午9:04, Ferry Toth wrote: >>> Op 20-10-2019 om 02:51 schreef Qu Wenruo: On 2019/10/20 上午8:26, Qu Wenruo wrote: > > > On 2019/10/20 上午12:24, Ferry Toth wrote: >

Re: [PATCH 0/3] btrfs-progs: Add check and repair for invalid inode generation

2019-10-20 Thread Ferry Toth
Op 20-10-2019 om 15:15 schreef Qu WenRuo: On 2019/10/20 下午9:04, Ferry Toth wrote: Op 20-10-2019 om 02:51 schreef Qu Wenruo: On 2019/10/20 上午8:26, Qu Wenruo wrote: On 2019/10/20 上午12:24, Ferry Toth wrote: Hi, Op 19-10-2019 om 01:50 schreef Qu WenRuo: On 2019/10/19 上午4:32, Ferry Toth

Re: [PATCH 0/3] btrfs-progs: Add check and repair for invalid inode generation

2019-10-20 Thread Qu WenRuo
On 2019/10/20 下午9:04, Ferry Toth wrote: > Op 20-10-2019 om 02:51 schreef Qu Wenruo: >> >> >> On 2019/10/20 上午8:26, Qu Wenruo wrote: >>> >>> >>> On 2019/10/20 上午12:24, Ferry Toth wrote: Hi, Op 19-10-2019 om 01:50 schreef Qu WenRuo: > > > On 2019/10/19 上午4:32, Ferry Toth

Re: [PATCH 0/3] btrfs-progs: Add check and repair for invalid inode generation

2019-10-20 Thread Ferry Toth
Op 20-10-2019 om 02:51 schreef Qu Wenruo: On 2019/10/20 上午8:26, Qu Wenruo wrote: On 2019/10/20 上午12:24, Ferry Toth wrote: Hi, Op 19-10-2019 om 01:50 schreef Qu WenRuo: On 2019/10/19 上午4:32, Ferry Toth wrote: Op 24-09-2019 om 10:11 schreef Qu Wenruo: We have at least two user reports a

Re: [PATCH 0/3] btrfs-progs: Add check and repair for invalid inode generation

2019-10-20 Thread Ferry Toth
Op 20-10-2019 om 02:26 schreef Qu Wenruo: On 2019/10/20 上午12:24, Ferry Toth wrote: Hi, Op 19-10-2019 om 01:50 schreef Qu WenRuo: On 2019/10/19 上午4:32, Ferry Toth wrote: Op 24-09-2019 om 10:11 schreef Qu Wenruo: We have at least two user reports about bad inode generation makes kernel rej

Re: first it froze, now the (btrfs) root fs won't mount ...

2019-10-20 Thread Qu Wenruo
On 2019/10/20 下午6:22, Christian Pernegger wrote: > [Please CC me, I'm not on the list.] > > The current plan is to dump the whole NVMe with dd (ongoing ...) and > experiment on that. Safer that way. > > Question: Can I work with the mounted backup image on the machine that > also contains the o

Re: first it froze, now the (btrfs) root fs won't mount ...

2019-10-20 Thread Christian Pernegger
[Please CC me, I'm not on the list.] The current plan is to dump the whole NVMe with dd (ongoing ...) and experiment on that. Safer that way. Question: Can I work with the mounted backup image on the machine that also contains the original disc? I vaguely recall something about btrfs really not l

Re: first it froze, now the (btrfs) root fs won't mount ...

2019-10-20 Thread Christian Pernegger
[Re-send, hit reply instead of reply-all by mistake. Please CC me, I'm not on the list.] Good morning & thank you. Am So., 20. Okt. 2019 um 02:38 Uhr schrieb Qu Wenruo : > It looks like you're using eGPU and the thunderbolt 3 connection disconnect? > That would cause a kernel panic/hang or whatev