Andrew d1df3f6cab Add ability for xattr handler to "strip" NFSv4 ACL (#54) ... On Linux POSIX ACLs can be removed via rmxattr() for the relevant system xattrs. On FreeBSD a non-trivial ACL can be converted to one that is described by the mode with no loss of info via combination of acl_get_file(), acl_strip_np(), and acl_set_file(). Since there's no libc equivalent of these ops in Linux for NFSv4 ACLs, this commit makes this less error prone by handling entirely in ZFS. When user performs rmxattr() vfs_setxattr() is called with value of NULL and length of 0. Add special handling for this situation in the xattr handler for the NFSv4 ACL so that we generate a new ACL and zfs_acl_chmod() with the existing mode of file, then set the ACL. Signed-off-by: Andrew Walker <awalker@ixsystems.com>		2024-02-29 23:31:47 +05:00
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spl	Remove list_size struct member from list implementation	2024-01-26 14:46:42 -08:00
zfs	Add ability for xattr handler to "strip" NFSv4 ACL (#54)	2024-02-29 23:31:47 +05:00