diff for duplicates of <20161205151933.GA17517@fieldses.org> diff --git a/a/1.txt b/N1/1.txt index 3510580..f3f54bc 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -2,7 +2,7 @@ On Mon, Dec 05, 2016 at 10:28:18AM +0100, Miklos Szeredi wrote: > [Added a few more CCs] > > On Mon, Dec 5, 2016 at 1:51 AM, Patrick Plagwitz -> <Patrick_Plagwitz@web.de> wrote: +> <Patrick_Plagwitz-S0/GAf8tV78@public.gmane.org> wrote: > > Mounting an overlayfs with an NFSv4 lowerdir and an ext4 upperdir causes copy_up operations, specifically the function copy_up.c:ovl_copy_xattr, to fail with EOPNOTSUPP. > > For example, having the following folders: > > @@ -23,7 +23,7 @@ On Mon, Dec 05, 2016 at 10:28:18AM +0100, Miklos Szeredi wrote: > > > > Fix this by explicitly checking for the name of the xattr and an empty value and ignoring EOPNOTSUPP if both things match. > > -> > Signed-off-by: Patrick Plagwitz <patrick_plagwitz@web.de> +> > Signed-off-by: Patrick Plagwitz <patrick_plagwitz-S0/GAf8tV78@public.gmane.org> > > --- > > Maybe NFS could be changed to not return empty system.nfs4_acl values, I don't know. In any case, to support upperdir ext4 + lowerdir NFSv4, returning the error code from > > vfs_setxattr with this xattr name must be avoided as long as the value is empty. @@ -71,3 +71,7 @@ set/get the attribute should error out. The same should apply to any I don't understand overlayfs very well, though. --b. +-- +To unsubscribe from this list: send the line "unsubscribe linux-nfs" in +the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org +More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/a/content_digest b/N1/content_digest index 7b451d1..61eca70 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -1,22 +1,23 @@ "ref\05a6862bd-924d-25e4-2a8e-ba4f51e66604@web.de\0" "ref\0CAJfpeguwUtRWRGmNmimNp-FXzWqMCCQMb24iWPu0w_J0_rOnnw@mail.gmail.com\0" - "From\0J. Bruce Fields <bfields@fieldses.org>\0" + "ref\0CAJfpeguwUtRWRGmNmimNp-FXzWqMCCQMb24iWPu0w_J0_rOnnw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org\0" + "From\0J. Bruce Fields <bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>\0" "Subject\0Re: [PATCH] overlayfs: ignore empty NFSv4 ACLs in ext4 upperdir\0" "Date\0Mon, 5 Dec 2016 10:19:33 -0500\0" - "To\0Miklos Szeredi <miklos@szeredi.hu>\0" - "Cc\0Patrick Plagwitz <Patrick_Plagwitz@web.de>" - linux-unionfs@vger.kernel.org <linux-unionfs@vger.kernel.org> - Linux NFS list <linux-nfs@vger.kernel.org> - linux-fsdevel@vger.kernel.org - linux-kernel@vger.kernel.org - " Andreas Gruenbacher <agruenba@redhat.com>\0" + "To\0Miklos Szeredi <miklos-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>\0" + "Cc\0Patrick Plagwitz <Patrick_Plagwitz-S0/GAf8tV78@public.gmane.org>" + linux-unionfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org <linux-unionfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org> + Linux NFS list <linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org> + linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org + linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org + " Andreas Gruenbacher <agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>\0" "\00:1\0" "b\0" "On Mon, Dec 05, 2016 at 10:28:18AM +0100, Miklos Szeredi wrote:\n" "> [Added a few more CCs]\n" "> \n" "> On Mon, Dec 5, 2016 at 1:51 AM, Patrick Plagwitz\n" - "> <Patrick_Plagwitz@web.de> wrote:\n" + "> <Patrick_Plagwitz-S0/GAf8tV78@public.gmane.org> wrote:\n" "> > Mounting an overlayfs with an NFSv4 lowerdir and an ext4 upperdir causes copy_up operations, specifically the function copy_up.c:ovl_copy_xattr, to fail with EOPNOTSUPP.\n" "> > For example, having the following folders:\n" "> >\n" @@ -37,7 +38,7 @@ "> >\n" "> > Fix this by explicitly checking for the name of the xattr and an empty value and ignoring EOPNOTSUPP if both things match.\n" "> >\n" - "> > Signed-off-by: Patrick Plagwitz <patrick_plagwitz@web.de>\n" + "> > Signed-off-by: Patrick Plagwitz <patrick_plagwitz-S0/GAf8tV78@public.gmane.org>\n" "> > ---\n" "> > Maybe NFS could be changed to not return empty system.nfs4_acl values, I don't know. In any case, to support upperdir ext4 + lowerdir NFSv4, returning the error code from\n" "> > vfs_setxattr with this xattr name must be avoided as long as the value is empty.\n" @@ -84,6 +85,10 @@ "\n" "I don't understand overlayfs very well, though.\n" "\n" - --b. + "--b.\n" + "--\n" + "To unsubscribe from this list: send the line \"unsubscribe linux-nfs\" in\n" + "the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org\n" + More majordomo info at http://vger.kernel.org/majordomo-info.html -828e2901a45f9a1774e30cbfb9f25fc42436d9b50307f7dea8956c5902f44f43 +eea350dc3851c9a65269f2617d0e56f1ecf5b1ce39cb0503100b4db533f5b5ba
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