--- include/linux/fs.h

+++ include/linux/fs.h

@@ -145,11 +145,11 @@ struct inodes_stat_t {

*

*/

#define RW_MASK 1

-#define RWA_MASK 2

+#define RWA_MASK 16

#define READ 0

#define WRITE 1

-#define READA 2 /* read-ahead - don't block if no resources */

-#define SWRITE 3 /* for ll_rw_block() - wait for buffer lock */

+#define READA 16 /* readahead - don't block if no resources */

+#define SWRITE 17 /* for ll_rw_block(), wait for buffer lock */

#define READ_SYNC (READ | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_UNPLUG))

#define READ_META (READ | (1 << BIO_RW_META))

#define WRITE_SYNC_PLUG (WRITE | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_NOIDLE))

@@ -1310,6 +1310,8 @@ extern int send_sigurg(struct fown_struc

#define MNT_FORCE 0x00000001 /* Attempt to forcibily umount */

#define MNT_DETACH 0x00000002 /* Just detach from the tree */

#define MNT_EXPIRE 0x00000004 /* Mark for expiry */

+#define UMOUNT_NOFOLLOW 0x00000008 /* Don't follow symlink on umount */

+#define UMOUNT_UNUSED 0x80000000 /* Flag guaranteed to be unused */

extern struct list_head super_blocks;

extern spinlock_t sb_lock;