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[v3,3/4] dax/bus.c: Don't use down_write_killable for non-user processes

Message ID 20240430-vv-dax_abi_fixes-v3-3-e3dcd755774c@intel.com (mailing list archive)
State New
Headers show
Series dax/bus.c: Fixups for dax-bus locking | expand

Commit Message

Verma, Vishal L April 30, 2024, 5:44 p.m. UTC
Change an instance of down_write_killable() to a simple down_write() where
there is no user process that might want to interrupt the operation.

Fixes: c05ae9d85b47 ("dax/bus.c: replace driver-core lock usage by a local rwsem")
Reported-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
 drivers/dax/bus.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
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diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
index e2c7354ce328..0011a6e6a8f2 100644
--- a/drivers/dax/bus.c
+++ b/drivers/dax/bus.c
@@ -1540,12 +1540,8 @@  static struct dev_dax *__devm_create_dev_dax(struct dev_dax_data *data)
 struct dev_dax *devm_create_dev_dax(struct dev_dax_data *data)
 	struct dev_dax *dev_dax;
-	int rc;
-	rc = down_write_killable(&dax_region_rwsem);
-	if (rc)
-		return ERR_PTR(rc);
+	down_write(&dax_region_rwsem);
 	dev_dax = __devm_create_dev_dax(data);