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| author | Hannes Reinecke <hare@suse.de> | 2020-05-19 10:14:23 +0200 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2020-05-20 17:09:52 -0400 |
| commit | a16b7dee302d2040d9e1fedff2161d1aceda0e8c (patch) | |
| tree | 1515146f96d66caa920ab522ac15dd71daabe89f /drivers/md/dm-zoned.h | |
| parent | c5c7885952927384837a070793698d996cb0fbf3 (diff) | |
| download | lwn-a16b7dee302d2040d9e1fedff2161d1aceda0e8c.tar.gz lwn-a16b7dee302d2040d9e1fedff2161d1aceda0e8c.zip | |
dm zoned: terminate reclaim on congestion
When dmz_get_chunk_mapping() selects a zone which is under reclaim
we should terminate the reclaim copy process. Since we're changing
the zone itself, reclaim needs to run afterwards again anyway.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-zoned.h')
| -rw-r--r-- | drivers/md/dm-zoned.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/dm-zoned.h b/drivers/md/dm-zoned.h index 288054dd7cf4..8083607b9535 100644 --- a/drivers/md/dm-zoned.h +++ b/drivers/md/dm-zoned.h @@ -127,6 +127,7 @@ enum { /* Zone internal state */ DMZ_RECLAIM, DMZ_SEQ_WRITE_ERR, + DMZ_RECLAIM_TERMINATE, }; /* @@ -140,6 +141,8 @@ enum { #define dmz_is_readonly(z) test_bit(DMZ_READ_ONLY, &(z)->flags) #define dmz_in_reclaim(z) test_bit(DMZ_RECLAIM, &(z)->flags) #define dmz_seq_write_err(z) test_bit(DMZ_SEQ_WRITE_ERR, &(z)->flags) +#define dmz_reclaim_should_terminate(z) \ + test_bit(DMZ_RECLAIM_TERMINATE, &(z)->flags) #define dmz_is_meta(z) test_bit(DMZ_META, &(z)->flags) #define dmz_is_buf(z) test_bit(DMZ_BUF, &(z)->flags) |