LOOKUP_MOUNTPOINT: fold path_mountpointat() into path_lookupat()

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New LOOKUP flag, telling path_lookupat() to act as path_mountpointat().
IOW, traverse mounts at the final point and skip revalidation of the
location where it ends up.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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This commit is contained in:

Al Viro 2020-01-11 22:52:26 -05:00

parent cbae4d12ee

commit 161aff1d93

5 changed files with 12 additions and 90 deletions

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6

fs/autofs/dev-ioctl.c

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1

fs/internal.h

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89

fs/namei.c

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4

fs/namespace.c

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2

include/linux/namei.h

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