Re: Documenting MS_LAZYTIME

2015-02-20 Thread Theodore Ts'o
On Fri, Feb 20, 2015 at 09:49:34AM -0600, Eric Sandeen wrote: > > > This mount option significantly reduces writes to the > > inode table for workloads that perform frequent random > > writes to preallocated files. > > This seems like an overly speci

Re: Documenting MS_LAZYTIME

2015-02-20 Thread Michael Kerrisk (man-pages)
On 02/20/2015 04:49 PM, Eric Sandeen wrote: > On 2/20/15 2:50 AM, Michael Kerrisk wrote: >> Hello Ted, >> >> Based on your commit message 0ae45f63d4e, I I wrote the documentation >> below for MS_LAZYTIME, to go into the mount(2) man page. Could you >> please check it over and let me know if it's ac

Re: scrub problem

2015-02-20 Thread Calvin Walton
On Fri, 2015-02-20 at 20:59 +0100, Johan Kröckel wrote: > The scrub is neither cancelable not stoppable. What is the problem? > > [ root@host]# btrfs scrub status ./ > scrub status for XX----XX > scrub started at Thu Feb 19 12:41:22 2015, running for 16964 seconds > total by

Re: [PATCH 0/3] btrfs: ENOMEM bugfixes

2015-02-20 Thread Josef Bacik
On 02/20/2015 04:20 PM, Omar Sandoval wrote: On Tue, Feb 17, 2015 at 02:51:06AM -0800, Omar Sandoval wrote: Hi, As it turns out, running with low memory is a really easy way to shake out undesirable behavior in Btrfs. This can be especially bad when considering that a memory limit is really eas

Re: [PATCH 0/3] btrfs: ENOMEM bugfixes

2015-02-20 Thread Omar Sandoval
On Tue, Feb 17, 2015 at 02:51:06AM -0800, Omar Sandoval wrote: > Hi, > > As it turns out, running with low memory is a really easy way to shake > out undesirable behavior in Btrfs. This can be especially bad when > considering that a memory limit is really easy to hit in a container > (e.g., by us

Re: scrub problem

2015-02-20 Thread Bob Williams
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 20/02/15 19:59, Johan Kröckel wrote: > The scrub is neither cancelable not stoppable. What is the > problem? > > [root@host ]# btrfs scrub status ./ scrub status for > XX----XX scrub started at Thu Feb 19 > 12:41:22 2015,

scrub problem

2015-02-20 Thread Johan Kröckel
The scrub is neither cancelable not stoppable. What is the problem? [root@host ]# btrfs scrub status ./ scrub status for XX----XX scrub started at Thu Feb 19 12:41:22 2015, running for 16964 seconds total bytes scrubbed: 1.56TiB with 0 errors [root@host ]# btrfs scrub cance

Re: Documenting MS_LAZYTIME

2015-02-20 Thread Eric Sandeen
On 2/20/15 2:50 AM, Michael Kerrisk wrote: > Hello Ted, > > Based on your commit message 0ae45f63d4e, I I wrote the documentation > below for MS_LAZYTIME, to go into the mount(2) man page. Could you > please check it over and let me know if it's accurate. In particular, > I added pieces marked wit

Re: [PATCH] Btrfs: fix allocation size calculations in alloc_btrfs_bio

2015-02-20 Thread Chris Mason
On Fri, Feb 20, 2015 at 9:35 AM, David Sterba wrote: On Thu, Feb 19, 2015 at 08:59:30PM -0500, Chris Mason wrote: Since commit 8e5cfb55d3f (Btrfs: Make raid_map array be inlined in btrfs_bio structure), the raid map array is allocated along with the btrfs bio in alloc_btrfs_bio. The calcula

Re: [PATCH] Btrfs: fix allocation size calculations in alloc_btrfs_bio

2015-02-20 Thread David Sterba
On Thu, Feb 19, 2015 at 08:59:30PM -0500, Chris Mason wrote: > Since commit 8e5cfb55d3f (Btrfs: Make raid_map array be inlined in > btrfs_bio structure), the raid map array is allocated along with the > btrfs bio in alloc_btrfs_bio. The calculation used to decide how much > we need to allocate was

Re: Documenting MS_LAZYTIME

2015-02-20 Thread Michael Kerrisk (man-pages)
On 20 February 2015 at 13:32, Andreas Dilger wrote: > On Feb 20, 2015, at 1:50 AM, Michael Kerrisk wrote: >> >> Hello Ted, >> >> Based on your commit message 0ae45f63d4e, I I wrote the documentation >> below for MS_LAZYTIME, to go into the mount(2) man page. Could you >> please check it over and

Re: Documenting MS_LAZYTIME

2015-02-20 Thread Andreas Dilger
On Feb 20, 2015, at 1:50 AM, Michael Kerrisk wrote: > > Hello Ted, > > Based on your commit message 0ae45f63d4e, I I wrote the documentation > below for MS_LAZYTIME, to go into the mount(2) man page. Could you > please check it over and let me know if it's accurate. In particular, > I added piec

Re: [GIT PULL] Btrfs

2015-02-20 Thread Markus Trippelsdorf
On 2015.02.19 at 15:36 -0500, Chris Mason wrote: > Hi Linus, > > Please pull my for-linus branch: > > git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git for-linus I get the following warnings during Firefox LTO build. lto1-wpa-stream outputs the final object files in parallel an

Documenting MS_LAZYTIME

2015-02-20 Thread Michael Kerrisk
Hello Ted, Based on your commit message 0ae45f63d4e, I I wrote the documentation below for MS_LAZYTIME, to go into the mount(2) man page. Could you please check it over and let me know if it's accurate. In particular, I added pieces marked with "*" below that were not part of the commit message an