Return extended attributes from the eCryptFS filesystem, dredged up from the
lower filesystem. XSTAT_INFO_ENCRYPTED is set on the files whose cryptography
is handled by eCryptFS.
Possibly eCryptFS should also set FS_COMPR_FL on its compressed files.
Signed-off-by: David Howells <dhowe...@redhat.com>
---
fs/ecryptfs/inode.c | 14 ++++++++++++--
1 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index ab35b11..62865e9 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -1060,13 +1060,23 @@ int ecryptfs_getattr(struct vfsmount *mnt, struct
dentry *dentry,
struct kstat lower_stat;
int rc;
- rc = vfs_getattr(ecryptfs_dentry_to_lower_mnt(dentry),
- ecryptfs_dentry_to_lower(dentry), &lower_stat);
+ lower_stat.query_flags = stat->query_flags;
+ lower_stat.request_mask = stat->request_mask | XSTAT_BLOCKS;
+ rc = vfs_xgetattr(ecryptfs_dentry_to_lower_mnt(dentry),
+ ecryptfs_dentry_to_lower(dentry), &lower_stat);
if (!rc) {
fsstack_copy_attr_all(dentry->d_inode,
ecryptfs_inode_to_lower(dentry->d_inode));
generic_fillattr(dentry->d_inode, stat);
stat->blocks = lower_stat.blocks;
+ stat->result_mask = lower_stat.result_mask;
+ stat->information = lower_stat.information;
+ stat->information |= XSTAT_INFO_ENCRYPTED;
+ stat->gen = lower_stat.gen;
+ stat->version = lower_stat.version;
+ stat->ioc_flags = lower_stat.ioc_flags;
+ memcpy(&stat->volume_id, lower_stat.volume_id,
+ sizeof(stat->volume_id));
}
return rc;
}
--
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