On Wednesday 23 March 2005 09:13, Rob Landley wrote: > On Tuesday 22 March 2005 02:19 pm, Blaisorblade wrote: > > Ok, I'm now seeing that UML uses access() (inside access_file()) to check > > permissions. > > > > See hostfs_permission -> access_file -> access. hostfs_permission (not > > access_file) should skip the "access_file" call in case its type is > > OS_TYPE_CHARDEV / OS_TYPE_BLOCKDEV / OS_TYPE_FIFO / OS_TYPE_SOCK. > > > > Look at init_inode() about how to see the file's type, but even better > > look at the cached information, i.e. inode->i_mode and the S_* access > > macro (look at init_special_inode about this). > > Just confirming: this patch fixed it. Both /dev/loop0 and /dev/console > work just fine with hostfs root now. > > Can this patch make it into 2.6.12? Yes, it's on his way (in next group of merges however). -- Paolo Giarrusso, aka Blaisorblade Linux registered user n. 292729 http://www.user-mode-linux.org/~blaisorblade
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