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Differential D50139

vfs_vnops.c: Make O_NAMEDATTR Solaris compatible
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Authored by rmacklem on May 3 2025, 8:39 PM.
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rGf61844833ee8: vfs_vnops.c: Make O_NAMEDATTR Solaris compatible
Summary

When the O_XATTR flag is used in a Solaris open(2),
the named attribute directory is created, if it does
not already exist. (Solaris does not require or allow
O_CREAT for this case.)

The consensus on the mailing list was that O_NAMEDATTR
should behave the same way, as in "create the named
attribute directory if it does not exist even if O_CREAT
is not specified.

This patch makes this change. Note that CREATENAMED is
still useful for the NFSv4 server.

Test Plan

Tested on a patched system for files that both did and
did not already have named attribute directories.

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sys/kern/vfs_vnops.c

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