internal: add may_write_xattr()

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Split out the generic checks whether an inode allows writing xattrs. Since
security.* and system.* xattrs don't have any restrictions and we're going
to split out posix acls into a dedicated api we will use this helper to
check whether we can write posix acls.

Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>

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Christian Brauner 2022-09-29 10:47:36 +02:00 • committed by Christian Brauner (Microsoft)

parent a56df5d5b7

commit 56851bc9b9

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2 changed files with 31 additions and 13 deletions

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1

fs/internal.h

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43

fs/xattr.c

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