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badblocks: badblocks_set/clear update unacked_exist 

When bandblocks_set acknowledges a range or badblocks_clear a range,
it's possible all badblocks are acknowledged. We should update
unacked_exist if this occurs.

Signed-off-by: Shaohua Li <shli@fb.com>
Reviewed-by: Tomasz Majchrzak <tomasz.majchrzak@intel.com>
Tested-by: Tomasz Majchrzak <tomasz.majchrzak@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Shaohua Li 2016-10-20 14:40:06 -07:00 committed by Jens Axboe
parent f660f60667
commit b4a1278c78
1 changed files with 23 additions and 0 deletions
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23
block/badblocks.c
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@ -133,6 +133,26 @@ retry:
}
EXPORT_SYMBOL_GPL(badblocks_check);
static void badblocks_update_acked(struct badblocks *bb)
{
u64 *p = bb->page;
int i;
bool unacked = false;
if (!bb->unacked_exist)
return;
for (i = 0; i < bb->count ; i++) {
if (!BB_ACK(p[i])) {
unacked = true;
break;
}
}
if (!unacked)
bb->unacked_exist = 0;
}
/**
* badblocks_set() - Add a range of bad blocks to the table.
* @bb: the badblocks structure that holds all badblock information
@ -294,6 +314,8 @@ int badblocks_set(struct badblocks *bb, sector_t s, int sectors,
bb->changed = 1;
if (!acknowledged)
bb->unacked_exist = 1;
else
badblocks_update_acked(bb);
write_sequnlock_irqrestore(&bb->lock, flags);
return rv;
@ -401,6 +423,7 @@ int badblocks_clear(struct badblocks *bb, sector_t s, int sectors)
}
}
badblocks_update_acked(bb);
bb->changed = 1;
out:
write_sequnlock_irq(&bb->lock);