xfs: introduce rmap extent operation stubs

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Originally-From: Dave Chinner <dchinner@redhat.com>

Add the stubs into the extent allocation and freeing paths that the
rmap btree implementation will hook into. While doing this, add the
trace points that will be used to track rmap btree extent
manipulations.

[darrick.wong@oracle.com: Extend the stubs to take full owner info.]

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

...

This commit is contained in:

Darrick J. Wong 2016-08-03 11:33:43 +10:00 • committed by Dave Chinner

parent 340785cca1

commit 673930c34a

5 changed files with 195 additions and 2 deletions

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1

fs/xfs/Makefile

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19

fs/xfs/libxfs/xfs_alloc.c

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89

fs/xfs/libxfs/xfs_rmap.c

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11

fs/xfs/libxfs/xfs_rmap.h

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77

fs/xfs/xfs_trace.h

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