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authorBob Peterson <rpeterso@redhat.com>2013-11-25 12:16:25 +0100
committerSteven Whitehouse <swhiteho@redhat.com>2014-01-03 10:58:08 +0100
commit5ea5050cec9c02e86ceb5e707a889003f895a690 (patch)
tree782554af83cacb80322874654782709dddd4174e /fs/gfs2/aops.c
parentGFS2: Drop inadequate rgrps from the reservation tree (diff)
downloadlinux-5ea5050cec9c02e86ceb5e707a889003f895a690.tar.xz
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GFS2: Implement a "rgrp has no extents longer than X" scheme
With the preceding patch, we started accepting block reservations smaller than the ideal size, which requires a lot more parsing of the bitmaps. To reduce the amount of bitmap searching, this patch implements a scheme whereby each rgrp keeps track of the point at this multi-block reservations will fail. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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