Re: Are there limitation to the number of named pipes/FIFO's supported by F2FS?

[Chao Yu <yuchao0@huawei.com>]

On 2018/9/5 0:28, Patrick Doyle wrote:
> I have created an f2fs partition on which to build embedded Linux
> images (using Yocto/OpenEmbedded/Bitbake).
> 
> I just had a build fail where all 20 parallel makes failed with errors
> of the form:
> 
> OSError: [Errno 5] Input/output error:
> '/home/wpd/src/20180904-test/apps_proc/poky/build/tmp-glibc/work/armv7a-vfp-neon-oe-linux-gnueabi/libxml2/2.9.2-r0/temp/fifo.32426'

I don't remember there is any restriction to create named pipes/FIFO. If you can
provider more info about the building failure, maybe I can help to trouble shoot
the issue.

Is there no more free inode space? can you show me filesystem usage by 'stat -f'?

> 
> This build completed successfully in the past, including just this
> morning (on this filesystem).
> 
> I believe by design (and benchmarks I have researched) that F2FS is
> the best approach for SSD based file systems, but this will mark the
> second time in less than a week of having put F2FS in operation that I
> will have to back up my partition, reformat it with different flags,
> and restore it from my backup.   I am now frustrated.
> 
> What options would you recommend for a 1TB SSD formatted with F2FS to
> be used in an environment that generates Linux system images?  This
> environment creates many object files, named pipes, logfiles, etc...
> 
> I will start my new backup now, and hope to learn your recommendation
> before I am ready to issue my next mkfs command.

Do you upgrade both mkfs and kernel? and use mkfs -i to format your ssd device?

Thanks,

> 
> --wpd
> 
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