Messages in this thread | | | From | (H. Peter Anvin) | Subject | Re: Limit of 64 Mounted Filesystems | Date | 30 Nov 1998 22:57:01 GMT |
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Followup to: <13922.55399.852665.330988@bofh.me.umn.edu> By author: Richard Kaszeta <kaszeta@me.umn.edu> In newsgroup: linux.dev.kernel > > > >You can change your NR_SUPER in include/linux/fs.h .... I upped it to 256 > >and am running without problems with a 2.0.36 kernel > > I made this change (to 512, since I have that many mount points), and > it worked for a while, but now I am getting mount failures and the > message > > Nov 30 11:30:00 weber kernel: VFS: Sorry, out of unnamed devices > Nov 30 11:30:59 weber last message repeated 28 times > Nov 30 11:31:45 weber last message repeated 40 times > > Any ideas? >
This happens when you have more than 255 nodev mounts (nfs, smbfs, autofs etc... anything marked "nodev" in /proc/filesystems). This is because they are getting assigned temporary device numbers on major number 0 (but never 0,0 since that's the not-a-device number.) This will be fixed in 2.3 when we get a larger dev_t.
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