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authorJan Kara <jack@suse.cz>2010-03-29 13:55:39 +0200
committerJan Kara <jack@suse.cz>2010-05-21 19:30:37 +0200
commit46891532370e862d6bddedef9e6ca22a59a51fa4 (patch)
tree0e4d6128f7f4a1f67d6c3ede3504100ec5d5ee7a /fs/quota
parent8cef107a1d890ff76c85d665083ff3562be01d32 (diff)
downloadlinux-46891532370e862d6bddedef9e6ca22a59a51fa4.tar.bz2
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>
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