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authorJeffle Xu <jefflexu@linux.alibaba.com>2021-02-08 22:34:36 -0500
committerMike Snitzer <snitzer@redhat.com>2021-02-09 08:45:30 -0500
commit5b0fab508992c2e120971da658ce80027acbc405 (patch)
tree1560ab26e53bf933c464b545810808273e75a4c5 /drivers/md/dm.h
parenta4c8dd9c2d0987cf542a2a0c42684c9c6d78a04e (diff)
downloadlinux-5b0fab508992c2e120971da658ce80027acbc405.tar.gz
dm table: fix DAX iterate_devices based device capability checks
Fix dm_table_supports_dax() and invert logic of both
iterate_devices_callout_fn so that all devices' DAX capabilities are
properly checked.

Fixes: 545ed20e6df6 ("dm: add infrastructure for DAX support")
Cc: stable@vger.kernel.org
Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm.h')
-rw-r--r--drivers/md/dm.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm.h b/drivers/md/dm.h
index fffe1e289c53..b441ad772c18 100644
--- a/drivers/md/dm.h
+++ b/drivers/md/dm.h
@@ -73,7 +73,7 @@ void dm_table_free_md_mempools(struct dm_table *t);
 struct dm_md_mempools *dm_table_get_md_mempools(struct dm_table *t);
 bool dm_table_supports_dax(struct dm_table *t, iterate_devices_callout_fn fn,
 			   int *blocksize);
-int device_supports_dax(struct dm_target *ti, struct dm_dev *dev,
+int device_not_dax_capable(struct dm_target *ti, struct dm_dev *dev,
 			   sector_t start, sector_t len, void *data);
 
 void dm_lock_md_type(struct mapped_device *md);