[lkml]   [2003]   [Nov]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Rootfs mounted from user space - problem with umount
William Lee Irwin III wrote:

>Looks like either namespace->sem or sb->s_umount; you should be able
>to put some instrumentation code in down_write() and/or down_read() to
>see who acquired it first by checking to see if the sem acquired belongs
>to rootfs' sb or some namespace (doubtful you'll create many of them).

Found it. It was a stupid mistake. I made the get_sb function return
the same superblock when it was still get_sb_nodev. When I switched it
to the proper get_sb_single I forgot to remove the code that returned
the old sb so it wasn't calling get_sb_single to increase the sb's usage
count. Doh!


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 13:59    [W:0.032 / U:35.476 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site