NTFS: Document extended attribute ($EA) NEED_EA flag. (Based on libntfs

      patch by Yura Pakhuchiy.)

Signed-off-by: Anton Altaparmakov <aia21@cantab.net>

2 files changed, 5 insertions, 1 deletions

diff --git a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog
index dea742405161..50a7749cfca1 100644
--- a/fs/ntfs/ChangeLog
+++ b/fs/ntfs/ChangeLog
@@ -78,6 +78,8 @@ ToDo/Notes:
         - $EA attributes can be both resident and non-resident.
         - Use %z for size_t to fix compilation warnings.  (Andrew Morton)
         - Fix compilation warnings with gcc-4.0.2 on SUSE 10.0.
+        - Document extended attribute ($EA) NEED_EA flag.  (Based on libntfs
+          patch by Yura Pakhuchiy.)
 
 2.1.24 - Lots of bug fixes and support more clean journal states.
 
diff --git a/fs/ntfs/layout.h b/fs/ntfs/layout.h
index 71b25dab8199..f5678d5d7919 100644
--- a/fs/ntfs/layout.h
+++ b/fs/ntfs/layout.h
@@ -2374,7 +2374,9 @@ typedef struct {
  * Extended attribute flags (8-bit).
  */
 enum {
-        NEED_EA = 0x80
+        NEED_EA = 0x80          /* If set the file to which the EA belongs
+                                   cannot be interpreted without understanding
+                                   the associates extended attributes. */
 } __attribute__ ((__packed__));
 
 typedef u8 EA_FLAGS;