NTFS: $EA attributes can be both resident non-resident.
Minor tidying.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index cf2a0e2..5fb341a 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -1857,10 +1857,24 @@
if (ni->type != AT_INDEX_ALLOCATION) {
/* If file is encrypted, deny access, just like NT4. */
if (NInoEncrypted(ni)) {
+ /*
+ * Reminder for later: Encrypted files are _always_
+ * non-resident so that the content can always be
+ * encrypted.
+ */
ntfs_debug("Denying write access to encrypted file.");
return -EACCES;
}
if (NInoCompressed(ni)) {
+ /* Only unnamed $DATA attribute can be compressed. */
+ BUG_ON(ni->type != AT_DATA);
+ BUG_ON(ni->name_len);
+ /*
+ * Reminder for later: If resident, the data is not
+ * actually compressed. Only on the switch to non-
+ * resident does compression kick in. This is in
+ * contrast to encrypted files (see above).
+ */
ntfs_error(vi->i_sb, "Writing to compressed files is "
"not implemented yet. Sorry.");
return -EOPNOTSUPP;