UBIFS warning: ubifs_vm_page_mkwrite: out of space for mmapped file

[Kyungmin Park]

Hi,

On Fri, Sep 18, 2009 at 4:56 PM, Adrian Hunter <adrian.hunter at nokia.com> wrote:
> Kyungmin Park wrote:
>>
>> Hi,
>>
>> Do you have any clue of following message?
>>
>> We used the latest UBIFS.
>>
>> [21474583.825000] UBIFS warning (pid 1263): ubifs_vm_page_mkwrite: out
>> of space for mmapped file (inode number 2180)
>> [21474583.830000] UBIFS warning (pid 1263): ubifs_vm_page_mkwrite: out
>> of space for mmapped file (inode number 2180)
>> [21474584.190000] UBIFS warning (pid 1362): ubifs_vm_page_mkwrite: out
>> of space for mmapped file (inode number 2180)
>> [21474584.200000] UBIFS warning (pid 1362): ubifs_vm_page_mkwrite: out
>> of space for mmapped file (inode number 2180)
>
> Unlike a block-based file system, in UBIFS if you mmap a file and write to
> it, you can run out of space.
>
> (Actually you can also run out of space on a block-based file system that
> implements sparse files and you write into a hole)

Thank you for your hint.
I try to find out the reason. As you said it's run out of space.

Thank you,
Kyungmin Park