Date: Sat, 23 Nov 2013 09:05:01 -0500 From: Pedro Giffuni <pfg@FreeBSD.org> To: Cedric Blancher <cedric.blancher@gmail.com> Cc: Freebsd hackers list <freebsd-hackers@freebsd.org>, Richard Yao <ryao@gentoo.org> Subject: Re: O_XATTR support in FreeBSD? Message-ID: <5290B60D.2050006@FreeBSD.org> In-Reply-To: <CALXu0UeDprsYibGoUQ-k_R-3_X6WoVkC_E9_9BkBwBo6aB-Zbg@mail.gmail.com> References: <528FB6BA.7040606@FreeBSD.org> <CALXu0UeDprsYibGoUQ-k_R-3_X6WoVkC_E9_9BkBwBo6aB-Zbg@mail.gmail.com>
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On 23.11.2013 02:13, Cedric Blancher wrote: > On 22 November 2013 20:55, Pedro Giffuni <pfg@freebsd.org> wrote: >> Well ... >> >> According to: >> >> https://wiki.freebsd.org/ZFS >> >> We do support Extended Attributes on ZFS but they differ from the ones in >> Solaris (and Linux). > Well, we need the one specified in the NFSv4 standard. The Linux > extended attributes are pretty much useless because they are size > restricted (typical attribute size here is in the GB range, and for > example NIH and CERN have even much bigger sizes), can't be accessed > like normal files and are incompatible to Window's Alternate Streams. > > Ced I was unaware of a standard for EA beyond the old posix draft. The reason for Extended Attributes is supporting ACL and we support both the draft posix and the NFS/win style ACLs. Not sure about the status of NFSv4. The guys in the posix-1e list should know better. regards, Pedro.
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