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1dc1eed46f
Normally the check at open time suffices, but e.g loop device does set
IOCB_DIRECT after doing its own checks (which are not sufficent for
overlayfs).
Make sure we don't call the underlying filesystem read/write method with
the IOCB_DIRECT if it's not supported.
Reported-by: Huang Jianan <huangjianan@oppo.com>
Fixes:
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.. | ||
copy_up.c | ||
dir.c | ||
export.c | ||
file.c | ||
inode.c | ||
Kconfig | ||
Makefile | ||
namei.c | ||
overlayfs.h | ||
ovl_entry.h | ||
readdir.c | ||
super.c | ||
util.c |