Theodore Ts'o 7d39db14a4 ext4: Use struct flex_groups to calculate get_orlov_stats() ...

Instead of looping over all of the block groups in a flex group
summing their summary statistics, start tracking used_dirs in struct
flex_groups, and use struct flex_groups instead.  This should save a
bit of CPU for mkdir-heavy workloads.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

2009-03-04 19:31:53 -05:00

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