Re: os recommendations

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Nov 26, 2013 at 06:50:33AM -0800, Sage Weil wrote:
> If syncfs(2) is not present, we have to use sync(2).  That means you have 
> N daemons calling sync(2) to force a commit on a single fs, but all other 
> mounted fs's are also synced... which means N times the sync(2) calls.
> 
> Fortunately syncfs(2) has been around for a while now, so this only 
> affects really old distros.  And even when glibc does not have a syscall 
> wrapper for it, we try to call the syscall directly.

And for btrfs you were/are using magic ioctls, right.

Looks like the page reference in the last post has already been updated,
thanks!
--
To unsubscribe from this list: send the line "unsubscribe ceph-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [CEPH Users]     [Ceph Large]     [Information on CEPH]     [Linux BTRFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]
  Powered by Linux