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7a565a69df
Add percpu counters that will let us track all manner of things.
To report them we add a sysfs directory full of attribute files in a
sysfs dir for each mount:
# (cd /sys/fs/scoutfs/loop0/counters && grep . *)
skip_delete:0
skip_insert:3218
skip_lookup:8439
skip_next:1190
skip_search:156
The implementation is careful to define each counter in only one place.
We don't have to make sure that a bunch of defintions and arrays are in
sync.
This builds off of Ben's initial patches that added sysfs dirs.
Signed-off-by: Zach Brown <zab@versity.com>
Signed-off-by: Ben McClelland <ben.mcclelland@versity.com>