microsoft
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WSL2-Linux-Kernel
зеркало из https://github.com/microsoft/WSL2-Linux-Kernel.git
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WSL2-Linux-Kernel/fs/nfsd
История
Christian Brauner 47291baa8d
namei: make permission helpers idmapped mount aware 
The two helpers inode_permission() and generic_permission() are used by
the vfs to perform basic permission checking by verifying that the
caller is privileged over an inode. In order to handle idmapped mounts
we extend the two helpers with an additional user namespace argument.
On idmapped mounts the two helpers will make sure to map the inode
according to the mount's user namespace and then peform identical
permission checks to inode_permission() and generic_permission(). If the
initial user namespace is passed nothing changes so non-idmapped mounts
will see identical behavior as before.

Link: https://lore.kernel.org/r/20210121131959.646623-6-christian.brauner@ubuntu.com
Cc: Christoph Hellwig <hch@lst.de>
Cc: David Howells <dhowells@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: James Morris <jamorris@linux.microsoft.com>
Acked-by: Serge Hallyn <serge@hallyn.com>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
 		2021-01-24 14:27:16 +01:00
..
Kconfig NFSv4.2: Fix NFS4ERR_STALE error when doing inter server copy 2020-10-21 10:31:20 -04:00
Makefile nfsd: remove fault injection code 2020-09-25 18:01:26 -04:00
acl.h nfsd: eliminate an unnecessary acl size limit 2019-08-28 21:13:45 -04:00
auth.c nfsd: auth: Fix gid sorting when rootsquash enabled 2018-01-22 20:13:07 -08:00
auth.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
blocklayout.c block: add a bdev_is_partition helper 2020-09-25 08:18:57 -06:00
blocklayoutxdr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
blocklayoutxdr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cache.h nfsd4: make drc_slab global, not per-net 2020-06-01 17:44:45 -04:00
current_stateid.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
export.c nfsd: allow filesystems to opt out of subtree checking 2020-12-09 09:39:38 -05:00
export.h knfsd: Allow lockless lookups of the exports 2018-10-29 16:58:04 -04:00
fault_inject.c nfsd: no need to check return value of debugfs_create functions 2019-07-03 16:57:17 +02:00
filecache.c \n 2020-12-17 10:56:27 -08:00
filecache.h nfsd: convert file cache to use over/underflow safe refcount 2020-02-06 11:22:55 -05:00
flexfilelayout.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
flexfilelayoutxdr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
flexfilelayoutxdr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
idmap.h
…
lockd.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netns.h nfsd: netns.h: delete a duplicated word 2020-07-24 17:25:13 -04:00
nfs2acl.c NFSD: Add common helpers to decode void args and encode void results 2020-11-30 14:46:35 -05:00
nfs3acl.c NFSD: Add common helpers to decode void args and encode void results 2020-11-30 14:46:35 -05:00
nfs3proc.c NFSD: Add common helpers to decode void args and encode void results 2020-11-30 14:46:35 -05:00
nfs3xdr.c nfsd: add a new EXPORT_OP_NOWCC flag to struct export_operations 2020-12-09 09:39:38 -05:00
nfs4acl.c
…
nfs4callback.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
nfs4idmap.c nfsd: Use seq_putc() in two functions 2020-07-13 17:28:46 -04:00
nfs4layouts.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
nfs4proc.c NFSD: Fix sparse warning in nfssvc.c 2020-12-18 12:28:23 -05:00
nfs4recover.c nfsd: avoid a NULL dereference in __cld_pipe_upcall() 2020-07-13 17:28:46 -04:00
nfs4state.c NFSD: Fix 5 seconds delay when doing inter server copy 2020-12-09 09:38:34 -05:00
nfs4xdr.c NFSD: Restore NFSv4 decoding's SAVEMEM functionality 2020-12-18 12:28:58 -05:00
nfscache.c silence nfscache allocation warnings with kvzalloc 2020-09-25 18:01:28 -04:00
nfsctl.c nfsd: remove fault injection code 2020-09-25 18:01:26 -04:00
nfsd.h Revert "nfsd4: support change_attr_type attribute" 2020-12-09 09:39:38 -05:00
nfsfh.c namei: make permission helpers idmapped mount aware 2021-01-24 14:27:16 +01:00
nfsfh.h nfsd: Record NFSv4 pre/post-op attributes as non-atomic 2020-12-09 09:39:38 -05:00
nfsproc.c NFSD: Add common helpers to decode void args and encode void results 2020-11-30 14:46:35 -05:00
nfssvc.c NFSD: Fix sparse warning in nfssvc.c 2020-12-18 12:28:23 -05:00
nfsxdr.c NFSD: Add common helpers to decode void args and encode void results 2020-11-30 14:46:35 -05:00
pnfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
state.h nfsd: remove fault injection code 2020-09-25 18:01:26 -04:00
stats.c proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
stats.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.c NFSD: Add SPDX header for fs/nfsd/trace.c 2020-11-30 13:00:24 -05:00
trace.h NFSD: Add tracepoints in nfsd4_decode/encode_compound() 2020-11-30 14:46:35 -05:00
vfs.c namei: make permission helpers idmapped mount aware 2021-01-24 14:27:16 +01:00
vfs.h nfsd: define xattr functions to call into their vfs counterparts 2020-07-13 17:27:03 -04:00
xdr.h NFSD: Add common helpers to decode void args and encode void results 2020-11-30 14:46:35 -05:00
xdr3.h NFSD: Add common helpers to decode void args and encode void results 2020-11-30 14:46:35 -05:00
xdr4.h NFSD: Fix sparse warning in nfssvc.c 2020-12-18 12:28:23 -05:00
xdr4cb.h NFSD CB_OFFLOAD xdr 2018-09-25 20:34:54 -04:00