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[JFFS2] Relax threshold for triggering GC due to dirty blocks. 

Instead of matching resv_blocks_gcmerge, which is only about 3, instead
match resv_blocks_gctrigger, which includes a proportion of the total
device size.

These ought to become tunable from userspace, at some point.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
David Woodhouse 2007-10-13 11:29:07 +01:00
parent 1437085c37
commit 85becc535b
1 changed files with 1 additions and 1 deletions
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2
fs/jffs2/build.c
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@ -289,7 +289,7 @@ static void jffs2_calc_trigger_levels(struct jffs2_sb_info *c)
trigger the GC thread even if we don't _need_ the space. When we
can't mark nodes obsolete on the medium, the old dirty nodes cause
performance problems because we have to inspect and discard them. */
c->vdirty_blocks_gctrigger = c->resv_blocks_gcmerge;
c->vdirty_blocks_gctrigger = c->resv_blocks_gctrigger;
if (jffs2_can_mark_obsolete(c))
c->vdirty_blocks_gctrigger *= 10;