Miklos Szeredi wrote:
> What the cachefiles use case would be?
Cachfiles has to open the backing file so that it can write to it, and it has
to do it every time it writes because to leave a bunch of files open
contributes to ENFILE/EMFILE.
In the near future it's going to have to open the backi
On Thu, Jul 19, 2018 at 10:09 AM, David Howells wrote:
> Miklos Szeredi wrote:
>
>> Stacking file operations in overlay will store an extra open file for each
>> overlay file opened.
>>
>> The overhead is just that of "struct file" which is about 256bytes, because
>> overlay already pins an extra
Miklos Szeredi wrote:
> Stacking file operations in overlay will store an extra open file for each
> overlay file opened.
>
> The overhead is just that of "struct file" which is about 256bytes, because
> overlay already pins an extra dentry and inode when the file is open, which
> add up to a mu
Stacking file operations in overlay will store an extra open file for each
overlay file opened.
The overhead is just that of "struct file" which is about 256bytes, because
overlay already pins an extra dentry and inode when the file is open, which
add up to a much larger overhead.
For fear of bre
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