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f736d93d76
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Christoph Hellwig f736d93d76
xfs: support idmapped mounts 
Enable idmapped mounts for xfs. This basically just means passing down
the user_namespace argument from the VFS methods down to where it is
passed to the relevant helpers.

Note that full-filesystem bulkstat is not supported from inside idmapped
mounts as it is an administrative operation that acts on the whole file
system. The limitation is not applied to the bulkstat single operation
that just operates on a single inode.

Link: https://lore.kernel.org/r/20210121131959.646623-40-christian.brauner@ubuntu.com
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
2021-01-24 14:43:46 +01:00
..
9p fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
adfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
affs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
afs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
autofs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
befs
bfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
btrfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
cachefiles namei: prepare for idmapped mounts 2021-01-24 14:27:18 +01:00
ceph fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
cifs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
coda fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
configfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
cramfs
crypto inode: make init and permission helpers idmapped mount aware 2021-01-24 14:27:16 +01:00
debugfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
devpts
dlm fs: dlm: check on existing node address 2020-11-10 12:14:20 -06:00
ecryptfs ecryptfs: do not mount on top of idmapped mounts 2021-01-24 14:27:20 +01:00
efivarfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
efs
erofs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
exfat fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
exportfs exportfs: Add a function to return the raw output from fh_to_dentry() 2020-12-09 09:39:38 -05:00
ext2 fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
ext4 ext4: support idmapped mounts 2021-01-24 14:43:46 +01:00
f2fs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
fat fat: handle idmapped mounts 2021-01-24 14:43:46 +01:00
freevxfs
fscache
fuse fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
gfs2 fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
hfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
hfsplus fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
hostfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
hpfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
hugetlbfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
iomap mm: memcontrol: Use helpers to read page's memcg data 2020-12-02 18:28:05 -08:00
isofs fs: Replace zero-length array with flexible-array member 2020-10-29 17:22:59 -05:00
jbd2 jbd2: add a helper to find out number of fast commit blocks 2020-12-17 13:30:45 -05:00
jffs2 fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
jfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
kernfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
lockd fs/lockd: convert comma to semicolon 2020-12-16 07:57:37 -05:00
minix fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
nfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
nfs_common nfs_common: need lock during iterate through the list 2020-12-09 09:38:34 -05:00
nfsd nfs: do not export idmapped mounts 2021-01-24 14:29:33 +01:00
nilfs2 fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
nls
notify fs: add file and path permissions helpers 2021-01-24 14:27:16 +01:00
ntfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
ocfs2 fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
omfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
openpromfs
orangefs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
overlayfs overlayfs: do not mount on top of idmapped mounts 2021-01-24 14:27:20 +01:00
proc fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
pstore Tracing updates for 5.11 2020-12-17 13:22:17 -08:00
qnx4
qnx6
quota \n 2020-12-17 11:00:37 -08:00
ramfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
reiserfs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
romfs Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-24 12:26:05 -07:00
squashfs Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-24 12:26:05 -07:00
sysfs
sysv fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
tracefs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
ubifs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
udf fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
ufs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
unicode
vboxsf fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
verity fs: add file and path permissions helpers 2021-01-24 14:27:16 +01:00
xfs xfs: support idmapped mounts 2021-01-24 14:43:46 +01:00
zonefs fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
aio.c Merge branch 'akpm' (patches from Andrew) 2020-12-15 12:53:37 -08:00
anon_inodes.c
attr.c ima: handle idmapped mounts 2021-01-24 14:27:20 +01:00
bad_inode.c fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
binfmt_aout.c
binfmt_elf_fdpic.c
binfmt_elf.c Merge branch 'exec-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2020-12-15 19:29:43 -08:00
binfmt_em86.c
binfmt_flat.c
binfmt_misc.c
binfmt_script.c
block_dev.c block: pre-initialize struct block_device in bdev_alloc_inode 2021-01-07 20:57:53 -07:00
buffer.c for-5.11/block-2020-12-14 2020-12-16 12:57:51 -08:00
char_dev.c
compat_binfmt_elf.c elf: Expose ELF header on arch_setup_additional_pages() 2020-10-26 13:46:47 +01:00
coredump.c open: handle idmapped mounts in do_truncate() 2021-01-24 14:27:18 +01:00
d_path.c
dax.c mm: simplify follow_pte{,pmd} 2020-12-15 22:46:19 -08:00
dcache.c fs: Kill DCACHE_DONTCACHE dentry even if DCACHE_REFERENCED is set 2020-12-10 17:33:17 -05:00
dcookies.c
direct-io.c
drop_caches.c
eventfd.c eventfd: Export eventfd_ctx_do_read() 2020-11-15 09:49:10 -05:00
eventpoll.c epoll: add syscall epoll_pwait2 2020-12-19 11:18:38 -08:00
exec.c exec: handle idmapped mounts 2021-01-24 14:27:19 +01:00
fcntl.c fcntl: handle idmapped mounts 2021-01-24 14:27:19 +01:00
fhandle.c
file_table.c epoll: take epitem list out of struct file 2020-10-25 20:02:08 -04:00
file.c kernel/io_uring: cancel io_uring before task works 2020-12-30 19:36:54 -07:00
filesystems.c
fs_context.c
fs_parser.c
fs_pin.c
fs_struct.c
fs_types.c
fs-writeback.c writeback: don't warn on an unregistered BDI in __mark_inode_dirty 2020-12-16 11:56:02 +01:00
fsopen.c
init.c init: handle idmapped mounts 2021-01-24 14:27:19 +01:00
inode.c open: handle idmapped mounts in do_truncate() 2021-01-24 14:27:18 +01:00
internal.h namei: handle idmapped mounts in may_*() helpers 2021-01-24 14:27:17 +01:00
io_uring.c io_uring: ensure finish_wait() is always called in __io_uring_task_cancel() 2021-01-15 16:04:23 -07:00
io-wq.c io-wq: kill now unused io_wq_cancel_all() 2020-12-20 10:47:42 -07:00
io-wq.h io-wq: kill now unused io_wq_cancel_all() 2020-12-20 10:47:42 -07:00
ioctl.c
Kconfig
Kconfig.binfmt
kernel_read_file.c
libfs.c fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
locks.c Merge branch 'exec-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2020-12-15 19:29:43 -08:00
Makefile Refactored code for 5.10: 2020-10-23 11:33:41 -07:00
mbcache.c
mount.h mount: make {lock,unlock}_mount_hash() static 2021-01-24 14:29:34 +01:00
mpage.c
namei.c ima: handle idmapped mounts 2021-01-24 14:27:20 +01:00
namespace.c fs: introduce MOUNT_ATTR_IDMAP 2021-01-24 14:43:45 +01:00
no-block.c
nsfs.c
open.c open: handle idmapped mounts 2021-01-24 14:27:18 +01:00
pipe.c block: remove i_bdev 2020-12-01 14:53:39 -07:00
pnode.c
pnode.h fs/namespace.c: WARN if mnt_count has become negative 2020-12-10 17:33:17 -05:00
posix_acl.c fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
proc_namespace.c fs: introduce MOUNT_ATTR_IDMAP 2021-01-24 14:43:45 +01:00
read_write.c Refactored code for 5.10: 2020-10-23 11:33:41 -07:00
readdir.c
remap_range.c ioctl: handle idmapped mounts 2021-01-24 14:27:19 +01:00
select.c poll: fix performance regression due to out-of-line __put_user() 2021-01-08 11:06:29 -08:00
seq_file.c fix return values of seq_read_iter() 2020-11-15 22:12:53 -05:00
signalfd.c
splice.c io_uring-5.10-2020-10-24 2020-10-24 12:40:18 -07:00
stack.c
stat.c fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
statfs.c block: remove i_bdev 2020-12-01 14:53:39 -07:00
super.c block: remove i_bdev 2020-12-01 14:53:39 -07:00
sync.c
timerfd.c
userfaultfd.c userfaultfd: add user-mode only option to unprivileged_userfaultfd sysctl knob 2020-12-15 12:13:46 -08:00
utimes.c utimes: handle idmapped mounts 2021-01-24 14:27:18 +01:00
xattr.c namei: handle idmapped mounts in may_*() helpers 2021-01-24 14:27:17 +01:00