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-rw-r--r--fs/9p/vfs_inode_dotl.c42
1 files changed, 41 insertions, 1 deletions
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 73488fb69d38..7ca7171273d1 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -522,6 +522,46 @@ v9fs_vfs_getattr_dotl(struct vfsmount *mnt, struct dentry *dentry,
return 0;
}
+/*
+ * Attribute flags.
+ */
+#define P9_ATTR_MODE (1 << 0)
+#define P9_ATTR_UID (1 << 1)
+#define P9_ATTR_GID (1 << 2)
+#define P9_ATTR_SIZE (1 << 3)
+#define P9_ATTR_ATIME (1 << 4)
+#define P9_ATTR_MTIME (1 << 5)
+#define P9_ATTR_CTIME (1 << 6)
+#define P9_ATTR_ATIME_SET (1 << 7)
+#define P9_ATTR_MTIME_SET (1 << 8)
+
+struct dotl_iattr_map {
+ int iattr_valid;
+ int p9_iattr_valid;
+};
+
+static int v9fs_mapped_iattr_valid(int iattr_valid)
+{
+ int i;
+ int p9_iattr_valid = 0;
+ struct dotl_iattr_map dotl_iattr_map[] = {
+ { ATTR_MODE, P9_ATTR_MODE },
+ { ATTR_UID, P9_ATTR_UID },
+ { ATTR_GID, P9_ATTR_GID },
+ { ATTR_SIZE, P9_ATTR_SIZE },
+ { ATTR_ATIME, P9_ATTR_ATIME },
+ { ATTR_MTIME, P9_ATTR_MTIME },
+ { ATTR_CTIME, P9_ATTR_CTIME },
+ { ATTR_ATIME_SET, P9_ATTR_ATIME_SET },
+ { ATTR_MTIME_SET, P9_ATTR_MTIME_SET },
+ };
+ for (i = 0; i < ARRAY_SIZE(dotl_iattr_map); i++) {
+ if (iattr_valid & dotl_iattr_map[i].iattr_valid)
+ p9_iattr_valid |= dotl_iattr_map[i].p9_iattr_valid;
+ }
+ return p9_iattr_valid;
+}
+
/**
* v9fs_vfs_setattr_dotl - set file metadata
* @dentry: file whose metadata to set
@@ -542,7 +582,7 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
if (retval)
return retval;
- p9attr.valid = iattr->ia_valid;
+ p9attr.valid = v9fs_mapped_iattr_valid(iattr->ia_valid);
p9attr.mode = iattr->ia_mode;
p9attr.uid = iattr->ia_uid;
p9attr.gid = iattr->ia_gid;