• David Howells's avatar
    afs: Display manually added cells in dynamic root mount · 0da0b7fd
    David Howells authored
    Alter the dynroot mount so that cells created by manipulation of
    /proc/fs/afs/cells and /proc/fs/afs/rootcell and by specification of a root
    cell as a module parameter will cause directories for those cells to be
    created in the dynamic root superblock for the network namespace[*].
    To this end:
     (1) Only one dynamic root superblock is now created per network namespace
         and this is shared between all attempts to mount it.  This makes it
         easier to find the superblock to modify.
     (2) When a dynamic root superblock is created, the list of cells is walked
         and directories created for each cell already defined.
     (3) When a new cell is added, if a dynamic root superblock exists, a
         directory is created for it.
     (4) When a cell is destroyed, the directory is removed.
     (5) These directories are created by calling lookup_one_len() on the root
         dir which automatically creates them if they don't exist.
    [*] Inasmuch as network namespaces are currently supported here.
    Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
namei.h 3.49 KB