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Filipe Manana
175bb55960
Test that if we set a capability on a file but not on the next files we
create, send/receive operations only apply the capability to the first
file, the one for which we have set a capability.
This is motivated by a regression that started to happen with kernel 5.8,
caused by an incompatibility between kernel commit 89efda52e6b693
("btrfs: send: emit file capabilities after chown") and a workaround for
send/receive added to btrfs-progs several years ago by btrfs-progs
commit 123a2a085027e ("btrfs-progs: receive: restore capabilities after
chown"). That workaround in btrfs-progs was added in btrfs-progs 4.1.
That kernel commit ended up fixing the bugs the btrfs-progs commit
targeted, as well as other bugs around btrfs send and capabilities.
However it did not play nice with the btrfs-progs workaround.
The kernel fix was backported to all stable kernels and the btrfs-progs
workaround was later removed from btrfs-progs by commit 81d8ea9346c6ee
("btrfs-progs: receive: remove workaround for setting capabilities"),
introduced in btrfs-progs 5.11.
The test currently fails on any environment using kernel 5.8+ and a
btrfs-progs version between 4.1 and 5.10. Updating btrfs-progs to
version 5.11 makes the test pass.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>