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linux/fs/ext2/balloc.c
Jan Kara 4689153237 ext2: Avoid loading bitmaps for full groups during block allocation 
There is no point in loading bitmap for groups which are completely full.
This causes noticeable performance problems (and memory pressure) on small
systems with large full filesystem
(http://marc.info/?l=linux-ext4&m=126843108314310&w=2).

Port of the same ext3 patch.

Signed-off-by: Jan Kara <jack@suse.cz>
2010-05-21 19:30:37 +02:00

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