GFS2: Make height info part of metapath

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This patch eliminates height parameters from function gfs2_bmap_alloc.
Function find_metapath determines the metapath's "find height", also
known as the desired height. Function lookup_metapath determines the
metapath's "actual height", previously known as starting height or
sheight. Function gfs2_bmap_alloc now gets both height values from
the metapath. This simplification was done as a step toward switching
the block_map functions to using iomap. The bh_map responsibilities
are also removed from function gfs2_bmap_alloc for the same reason.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

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Bob Peterson 2016-10-28 14:29:29 -05:00 • committed by Andreas Gruenbacher

parent 0c9a66ec0e

commit 5f8bd4440d

1 changed files with 62 additions and 47 deletions

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fs/gfs2/bmap.c

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