vfs: introduce generic_file_rw_checks()
authorAmir Goldstein <amir73il@gmail.com>
Wed, 5 Jun 2019 15:04:48 +0000 (08:04 -0700)
committerDarrick J. Wong <darrick.wong@oracle.com>
Sun, 9 Jun 2019 17:06:19 +0000 (10:06 -0700)
commita31713517dac0862a3f0ec9006df9160ce022b0c
tree020aa1dc2d4ad9c646a15c23f12f765271f459a7
parent64bf5ff58dff757253cf2142542672de4b21cd1a
vfs: introduce generic_file_rw_checks()

Factor out helper with some checks on in/out file that are
common to clone_file_range and copy_file_range.

Suggested-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
fs/read_write.c
include/linux/fs.h
mm/filemap.c