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| author | Shaohua Li <shli@fb.com> | 2016-10-20 14:40:06 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-10-21 15:45:47 -0600 |
| commit | b4a1278c78bc939b3e29c3ad21ceaa636b0ca8c8 (patch) | |
| tree | d2cd820ba9f15c351d0fead32b08e3b698f7d4cc /block | |
| parent | f660f6066716b700148f60dba3461e65efff3123 (diff) | |
| download | linux-stable-b4a1278c78bc939b3e29c3ad21ceaa636b0ca8c8.tar.gz linux-stable-b4a1278c78bc939b3e29c3ad21ceaa636b0ca8c8.tar.bz2 linux-stable-b4a1278c78bc939b3e29c3ad21ceaa636b0ca8c8.zip | |
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>
Diffstat (limited to 'block')
| -rw-r--r-- | block/badblocks.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/block/badblocks.c b/block/badblocks.c index 6610e282a03e..6ebcef282314 100644 --- a/block/badblocks.c +++ b/block/badblocks.c @@ -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); |