xfs: improve metadata I/O merging in the elevator

[safe/jmp/linux-2.6] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index b23a701..cf7fc8a 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -152,6 +152,7 @@ struct inodes_stat_t {
 #define WRITE_SYNC_PLUG        (WRITE | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_NOIDLE))
 #define WRITE_SYNC     (WRITE_SYNC_PLUG | (1 << BIO_RW_UNPLUG))
 #define WRITE_ODIRECT_PLUG     (WRITE | (1 << BIO_RW_SYNCIO))
+#define WRITE_META     (WRITE | (1 << BIO_RW_META))
 #define SWRITE_SYNC_PLUG       \
                        (SWRITE | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_NOIDLE))
 #define SWRITE_SYNC    (SWRITE_SYNC_PLUG | (1 << BIO_RW_UNPLUG))