[lkml]   [2001]   [Oct]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: RFC - tree quotas for Linux (2.4.12, ext2)
On Wed, 24 Oct 2001, Jan Kara wrote:

> But how do you solve the following: mv <dir> <some_other_dir>
> The parent changes. You need to go through all the subdirs of <dir> and change
> the TID. This is really hard to get right and to avoid deadlocks
> and races... At least it seems to me so.

Provided you are tracking the total size in each directory, it's just a
matter of subtracting dir's size from the old parent, and adding it to the
new parent. (With suitable checks beforehand to avoid a result which
exceeds quota.)

"Our attitude with TCP/IP is, `Hey, we'll do it, but don't make a big
system, because we can't fix it if it breaks -- nobody can.'"

"TCP/IP is OK if you've got a little informal club, and it doesn't make
any difference if it takes a while to fix it."
-- Ken Olson, in Digital News, 1988

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:10    [W:0.188 / U:0.216 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site