Zach Brown f611c769e2 scoutfs: add 'end' to item_next to limit reads ...

Add an end key to the item_next calls to limit how many items will be
read into the cache.  Callers typically get this from the lock they hold
that covers the iteration.  We differentiate between iteration and
caching so that a series of small iterations (listxattr on inodes,
namespace walk in small dirs) can be satisfied by a single read of
adjacent items from segments.

Signed-off-by: Zach Brown <zab@versity.com>

2017-07-19 13:30:03 -07:00

kmod

scoutfs: add 'end' to item_next to limit reads

2017-07-19 13:30:03 -07:00

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