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authorEric W. Biederman <ebiederm@xmission.com>2012-09-10 20:17:44 -0700
committerEric W. Biederman <ebiederm@xmission.com>2012-09-18 01:01:35 -0700
commit5f3a4a28ec140a90e6058d1d09f6b1f235d485e5 (patch)
treea8fc30f22d94033bd5bb4ccfe5218b01bfafcc50 /fs/reiserfs
parent2f6f0654ab61961fd0f7701fe3be89ea111f0cda (diff)
downloadlinux-5f3a4a28ec140a90e6058d1d09f6b1f235d485e5.tar.bz2
userns: Pass a userns parameter into posix_acl_to_xattr and posix_acl_from_xattr
- Pass the user namespace the uid and gid values in the xattr are stored in into posix_acl_from_xattr. - Pass the user namespace kuid and kgid values should be converted into when storing uid and gid values in an xattr in posix_acl_to_xattr. - Modify all callers of posix_acl_from_xattr and posix_acl_to_xattr to pass in &init_user_ns. In the short term this change is not strictly needed but it makes the code clearer. In the longer term this change is necessary to be able to mount filesystems outside of the initial user namespace that natively store posix acls in the linux xattr format. Cc: Theodore Tso <tytso@mit.edu> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andreas Dilger <adilger.kernel@dilger.ca> Cc: Jan Kara <jack@suse.cz> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'fs/reiserfs')
-rw-r--r--fs/reiserfs/xattr_acl.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c
index 44474f9b990d..87d6911c659d 100644
--- a/fs/reiserfs/xattr_acl.c
+++ b/fs/reiserfs/xattr_acl.c
@@ -30,7 +30,7 @@ posix_acl_set(struct dentry *dentry, const char *name, const void *value,
return -EPERM;
if (value) {
- acl = posix_acl_from_xattr(value, size);
+ acl = posix_acl_from_xattr(&init_user_ns, value, size);
if (IS_ERR(acl)) {
return PTR_ERR(acl);
} else if (acl) {
@@ -77,7 +77,7 @@ posix_acl_get(struct dentry *dentry, const char *name, void *buffer,
return PTR_ERR(acl);
if (acl == NULL)
return -ENODATA;
- error = posix_acl_to_xattr(acl, buffer, size);
+ error = posix_acl_to_xattr(&init_user_ns, acl, buffer, size);
posix_acl_release(acl);
return error;