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authorChristian Brauner <christian.brauner@ubuntu.com>2021-01-21 16:19:30 +0300
committerChristian Brauner <christian.brauner@ubuntu.com>2021-01-24 16:27:17 +0300
commit0d56a4518d5eaf595a24ab2202e171330bb2ed72 (patch)
tree8abcffb945ef36eb5bd290271a34a246c1d9379d /fs/udf
parent71bc356f93a1c589fad13f7487258f89c417976e (diff)
downloadlinux-0d56a4518d5eaf595a24ab2202e171330bb2ed72.tar.xz
stat: handle idmapped mounts
The generic_fillattr() helper fills in the basic attributes associated with an inode. Enable it to handle idmapped mounts. If the inode is accessed through an idmapped mount map it into the mount's user namespace before we store the uid and gid. 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/20210121131959.646623-12-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> Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Diffstat (limited to 'fs/udf')
-rw-r--r--fs/udf/symlink.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c
index c973db239604..54a44d1f023c 100644
--- a/fs/udf/symlink.c
+++ b/fs/udf/symlink.c
@@ -159,7 +159,7 @@ static int udf_symlink_getattr(const struct path *path, struct kstat *stat,
struct inode *inode = d_backing_inode(dentry);
struct page *page;
- generic_fillattr(inode, stat);
+ generic_fillattr(&init_user_ns, inode, stat);
page = read_mapping_page(inode->i_mapping, 0, NULL);
if (IS_ERR(page))
return PTR_ERR(page);