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youzhongyang f224eddf92
Support idmapped mount in user namespace 
Linux 5.17 commit torvalds/linux@5dfbfe71e enables "the idmapping 
infrastructure to support idmapped mounts of filesystems mounted 
with an idmapping". Update the OpenZFS accordingly to improve the 
idmapped mount support. 

This pull request contains the following changes:

- xattr setter functions are fixed to take mnt_ns argument. Without
  this, cp -p would fail for an idmapped mount in a user namespace.
- idmap_util is enhanced/fixed for its use in a user ns context.
- One test case added to test idmapped mount in a user ns.

Reviewed-by: Christian Brauner <christian@brauner.io>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Youzhong Yang <yyang@mathworks.com>
Closes #14097
 		2022-11-08 10:28:56 -08:00
..
checksum Fix declarations of non-global variables 2022-10-18 11:05:32 -07:00
file Handle possible null pointers from malloc/strdup/strndup() 2022-10-06 17:18:40 -07:00
linux_dos_attributes tests: cmd: don't recurse 2022-04-01 17:58:23 -07:00
.gitignore zfs_rename: support RENAME_* flags 2022-10-28 09:49:20 -07:00
Makefile.am zfs_rename: support RENAME_* flags 2022-10-28 09:49:20 -07:00
badsend.c Handle possible null pointers from malloc/strdup/strndup() 2022-10-06 17:18:40 -07:00
btree_test.c Fix declarations of non-global variables 2022-10-18 11:05:32 -07:00
chg_usr_exec.c Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
cp_files.c tests: move C test helpers into test cmd 2022-04-01 18:01:39 -07:00
ctime.c Cleanup: Address Clang's static analyzer's unused code complaints 2022-10-14 13:37:54 -07:00
devname2devid.c Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
dir_rd_update.c Fix unsafe string operations 2022-09-27 16:47:24 -07:00
dosmode_readonly_write.c tests: move C test helpers into test cmd 2022-04-01 18:01:39 -07:00
draid.c Cleanup: Address Clang's static analyzer's unused code complaints 2022-10-14 13:37:54 -07:00
ereports.c tests: move C test helpers into test cmd 2022-04-01 18:01:39 -07:00
get_diff.c Miscellaneous ZTS fixes 2022-09-29 08:56:42 -07:00
getversion.c tests: cmd: don't recurse 2022-04-01 17:58:23 -07:00
idmap_util.c Support idmapped mount in user namespace 2022-11-08 10:28:56 -08:00
libzfs_input_check.c Miscellaneous ZTS fixes 2022-09-29 08:56:42 -07:00
mkbusy.c Cleanup: Address Clang's static analyzer's unused code complaints 2022-10-14 13:37:54 -07:00
mkfile.c Fix userspace memory leaks found by Clang Static Analzyer 2022-09-26 17:18:05 -07:00
mkfiles.c Enable -Wwrite-strings 2022-06-29 14:08:54 -07:00
mktree.c Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
mmap_exec.c Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
mmap_libaio.c Fix declarations of non-global variables 2022-10-18 11:05:32 -07:00
mmap_seek.c Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
mmap_sync.c Fix unsafe string operations 2022-09-27 16:47:24 -07:00
mmapwrite.c Fix TOCTOU race conditions reported by CodeQL and Coverity 2022-10-29 13:04:10 -07:00
nvlist_to_lua.c Handle possible null pointers from malloc/strdup/strndup() 2022-10-06 17:18:40 -07:00
readmmap.c Miscellaneous ZTS fixes 2022-09-29 08:56:42 -07:00
rename_dir.c Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
renameat2.c zfs_rename: support RENAME_* flags 2022-10-28 09:49:20 -07:00
rm_lnkcnt_zero_file.c Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
send_doall.c Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
stride_dd.c Fix multiplication converted to larger type 2022-10-28 09:30:37 -07:00
suid_write_to_file.c Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
threadsappend.c Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
truncate_test.c tests: move C test helpers into test cmd 2022-04-01 18:01:39 -07:00
user_ns_exec.c Cleanup: Address Clang's static analyzer's unused code complaints 2022-10-14 13:37:54 -07:00
xattrtest.c Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zed_fd_spill-zedlet.c Miscellaneous ZTS fixes 2022-09-29 08:56:42 -07:00
zfs_diff-socket.c Cleanup: Switch to strlcpy from strncpy 2022-09-27 16:35:29 -07:00