* A question about frag merge in JFFS2
@ 2005-12-16 9:47 zhao forrest
2005-12-19 11:57 ` Artem B. Bityutskiy
0 siblings, 1 reply; 2+ messages in thread
From: zhao forrest @ 2005-12-16 9:47 UTC (permalink / raw)
To: dedekind; +Cc: linux-mtd
Hi, Artem
What will happen for the following case in JFFS2?
1 A process write small frags to flash through JFFS2,
for example the frag length is 15 bytes.
2 after some time, when GC is triggered, how merge operation
proceed? Will GC merge as many frags as possible?
Thanks,
Forrest
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: A question about frag merge in JFFS2
2005-12-16 9:47 A question about frag merge in JFFS2 zhao forrest
@ 2005-12-19 11:57 ` Artem B. Bityutskiy
0 siblings, 0 replies; 2+ messages in thread
From: Artem B. Bityutskiy @ 2005-12-19 11:57 UTC (permalink / raw)
To: zhao forrest; +Cc: linux-mtd
zhao forrest wrote:
> What will happen for the following case in JFFS2?
> 1 A process write small frags to flash through JFFS2,
> for example the frag length is 15 bytes.
> 2 after some time, when GC is triggered, how merge operation
> proceed? Will GC merge as many frags as possible?
It will merge as many frags as it is needed to form a 4K (pristine)
frag. In case of 15 byte frags it is 4K/15 (+1) frags.
--
Best Regards,
Artem B. Bityutskiy,
St.-Petersburg, Russia.
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