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The Hurd gained[0] support for moving the translator and author
fields out of the inode and into the "gnu.*" xattr namespace.
In anticipation of that, an xattr INDEX was reserved[1]. The Hurd has
now been brought into compliance[2] with that.
This patch adds support for reading and writing such attributes from
Linux; you can now do something like
mkdir -p hurd-root/servers/socket
touch hurd-root/servers/socket/1
setfattr --name=gnu.translator --value='"/hurd/pflocal\0"' \
hurd-root/servers/socket/1
getfattr --name=gnu.translator hurd-root/servers/socket/1
# file: 1
gnu.translator="/hurd/pflocal"
to setup a pipe translator, which is being used to create[3] a
vm-image for the Hurd from GNU Guix.
[0] https://summerofcode.withgoogle.com/projects/#5869799859027968
[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3980bd3b406addb327d858aebd19e229ea340b9a
[2] https://git.savannah.gnu.org/cgit/hurd/hurd.git/commit/?id=a04c7bf83172faa7cb080fbe3b6c04a8415ca645
[3] https://git.savannah.gnu.org/cgit/guix.git/log/?h=wip-hurd-vm
Signed-off-by: Jan Nieuwenhuizen <janneke@gnu.org>
Link: https://lore.kernel.org/r/20200525193940.878-1-janneke@gnu.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
20 lines
689 B
Makefile
20 lines
689 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for the linux ext4-filesystem routines.
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#
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obj-$(CONFIG_EXT4_FS) += ext4.o
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ext4-y := balloc.o bitmap.o block_validity.o dir.o ext4_jbd2.o extents.o \
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extents_status.o file.o fsmap.o fsync.o hash.o ialloc.o \
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indirect.o inline.o inode.o ioctl.o mballoc.o migrate.o \
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mmp.o move_extent.o namei.o page-io.o readpage.o resize.o \
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super.o symlink.o sysfs.o xattr.o xattr_hurd.o xattr_trusted.o \
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xattr_user.o
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ext4-$(CONFIG_EXT4_FS_POSIX_ACL) += acl.o
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ext4-$(CONFIG_EXT4_FS_SECURITY) += xattr_security.o
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ext4-inode-test-objs += inode-test.o
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obj-$(CONFIG_EXT4_KUNIT_TESTS) += ext4-inode-test.o
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ext4-$(CONFIG_FS_VERITY) += verity.o
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