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dax/bus.c: don't use down_write_killable for non-user processes

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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.

Link: https://lkml.kernel.org/r/20240430-vv-dax_abi_fixes-v3-3-e3dcd755774c@intel.com
Fixes: c05ae9d85b47 ("dax/bus.c: replace driver-core lock usage by a local rwsem")
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Reported-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Cc: Alison Schofield <alison.schofield@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Vishal Verma 2024-04-30 11:44:25 -06:00 committed by Andrew Morton
parent 6f6544f27e
commit e39dbcfba7
1 changed files with 1 additions and 5 deletions
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6
drivers/dax/bus.c
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@ -1540,12 +1540,8 @@ err_id:
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);
up_write(&dax_region_rwsem);