ext4: renumber EXT4_EX_* flags to avoid flag aliasing problems
authorTheodore Ts'o <tytso@mit.edu>
Thu, 4 Sep 2014 22:09:29 +0000 (18:09 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Thu, 4 Sep 2014 22:09:29 +0000 (18:09 -0400)
Suggested-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
fs/ext4/ext4.h

index 4855800fcc5dc0d720a875b8cd2f1257569b4c61..f70c3fc94296b6dcd11556a0b43d84666c338c87 100644 (file)
@@ -569,7 +569,6 @@ enum {
 #define EXT4_GET_BLOCKS_NO_PUT_HOLE            0x0200
        /* Convert written extents to unwritten */
 #define EXT4_GET_BLOCKS_CONVERT_UNWRITTEN      0x0400
-/* DO NOT ASSIGN ADDITIONAL FLAG VALUES WITHOUT ADJUSTING THE FLAGS BELOW */
 
 /*
  * The bit position of these flags must not overlap with any of the
@@ -580,8 +579,8 @@ enum {
  * caching the extents when reading from the extent tree while a
  * truncate or punch hole operation is in progress.
  */
-#define EXT4_EX_NOCACHE                                0x0800
-#define EXT4_EX_FORCE_CACHE                    0x1000
+#define EXT4_EX_NOCACHE                                0x40000000
+#define EXT4_EX_FORCE_CACHE                    0x20000000
 
 /*
  * Flags used by ext4_free_blocks