Re: [PATCH] generic: add test for fsync after shrinking truncate and rename

2019-03-06 Thread Amir Goldstein
On Wed, Mar 6, 2019 at 11:48 PM Dave Chinner wrote: > > On Wed, Mar 06, 2019 at 09:51:23AM +0200, Amir Goldstein wrote: > > On Wed, Mar 6, 2019 at 12:33 AM Dave Chinner wrote: > > > > So the reason this is working is because 2nd fsync needs to > > > > persist ctime of B and not because it needs t

[PATCH] btrfs: remove WARN_ON() in log_dir_items

2019-03-06 Thread Josef Bacik
When Filipe added the recursive directory logging stuff he specifically didn't take the directory i_mutex for the children directories that we need to log because of lockdep. This is generally fine, but can lead to this WARN_ON() tripping if we happen to run delayed deletion's in between our first

Re: [PATCH] generic: add test for fsync after shrinking truncate and rename

2019-03-06 Thread Dave Chinner
On Wed, Mar 06, 2019 at 09:51:23AM +0200, Amir Goldstein wrote: > On Wed, Mar 6, 2019 at 12:33 AM Dave Chinner wrote: > > > So the reason this is working is because 2nd fsync needs to > > > persist ctime of B and not because it needs to persist the > > > truncate. > > > > ctime modifications durin

Re: btrfs filesystem failing with 'No space left on device' after 4 hours

2019-03-06 Thread Chris Murphy
On Wed, Mar 6, 2019 at 7:29 AM Michael Firth wrote: > > Hi, > > I have a BTRFS filesystem that seems to have become very ill. After 4 hours > of being mounted, it will fail with every write attempt saying "No space left > on device". What program/process is trying to write to the volume? Even "

Re: btrfs filesystem failing with 'No space left on device' after 4 hours

2019-03-06 Thread Patrik Lundquist
On Wed, 6 Mar 2019 at 16:53, Michael Firth wrote: > > Is there any way to get more debugging from what is going on? Try mounting with enospc_debug. > The system is running stock Debian 9 (Stretch). It was running their latest > 4.9 kernel (Rev 4.9.144-3.1) when the problem first occurred. After

btrfs filesystem failing with 'No space left on device' after 4 hours

2019-03-06 Thread Michael Firth
Hi, I have a BTRFS filesystem that seems to have become very ill. After 4 hours of being mounted, it will fail with every write attempt saying "No space left on device". Unmounting and remounting the filesystem clears the issue for another 4 hours >From every check I have done, no messages are

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