VOP_GETEXTATTR is currently called with an exclusive lock, which seems like overkill for what is essentially a read operation. I had a look over the various in-tree filesystems and it didn't look like any of them will have a problem if a shared-mode lock is used for vop_getextattr.
Does anyone know otherwise? Is someone using extended attributes regularly who can test this? [sorry if this is a duplicate; I first sent from my non-FreeBSD mail] Thanks, matthew
0001-Use-a-shared-lock-for-VOP_GETEXTATTR-as-it-is-a-read.patch
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