[GFS2] Move rwlocks in glock.c into their own array

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This splits the rwlocks guarding the hash chains of the glock hash
table into their own array. This will reduce memory usage in some
cases due to better alignment, although the real reason for doing it
is to allow the two tables to be different sizes in future (i.e.
the locks will be sized proportionally with the max number of CPUs
and the hash chains sized proportinally with the size of physical memory)

In order to allow this, the gl_bucket member of struct gfs2_glock has
now become gl_hash, so we record the hash rather than a pointer to the
bucket itself.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

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This commit is contained in:

Steven Whitehouse 2006-09-08 13:35:56 -04:00

parent 9b47c11d1c

commit 37b2fa6a24

2 changed files with 43 additions and 51 deletions

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87

fs/gfs2/glock.c

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7

fs/gfs2/incore.h

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