fs: introduce fsuidgid_has_mapping() helper

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Don't open-code the checks and instead move them into a clean little
helper we can call. This also reduces the risk that if we ever change
something we forget to change all locations.

Link: https://lore.kernel.org/r/20210320122623.599086-4-christian.brauner@ubuntu.com
Inspired-by: Vivek Goyal <vgoyal@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

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Christian Brauner 2021-03-20 13:26:23 +01:00

parent a65e58e791

commit 8e5389132a

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2 changed files with 23 additions and 8 deletions

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11

fs/namei.c

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20

include/linux/fs.h

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