afs: Update the cache index structure

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Update the cache index structure in the following ways:

 (1) Don't use the volume name followed by the volume type as levels in the
     cache index.  Volumes can be renamed.  Use the volume ID instead.

 (2) Don't store the VLDB data for a volume in the tree.  If the volume
     database should be cached locally, then it should be done in a separate
     tree.

 (3) Expand the volume ID stored in the cache to 64 bits.

 (4) Expand the file/vnode ID stored in the cache to 96 bits.

 (5) Increment the cache structure version number to 1.

Signed-off-by: David Howells <dhowells@redhat.com>

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This commit is contained in:

David Howells 2017-11-02 15:27:47 +00:00

parent 91a90380ef

commit ad6a942a9e

4 changed files with 50 additions and 251 deletions

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239

fs/afs/cache.c

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21

fs/afs/internal.h

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39

fs/afs/vlocation.c

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2

fs/afs/volume.c

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