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authorIngo Molnar <mingo@elte.hu>2008-09-10 14:05:45 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-10 14:05:45 +0200
commit3ce9bcb583536c45a46c7302747029450e22279c (patch)
tree7a4167189ffc6dc909151d1a5d040f9f0656a9f4 /fs/buffer.c
parent26fd10517e810dd59ea050b052de24a75ee6dc07 (diff)
parentf7d0b926ac8c8ec0c7a83ee69409bd2e6bb39f81 (diff)
Merge branch 'core/xen' into x86/xen
Diffstat (limited to 'fs/buffer.c')
-rw-r--r--fs/buffer.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index 38653e36e22..ac78d4c19b3 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2926,14 +2926,17 @@ int submit_bh(int rw, struct buffer_head * bh)
BUG_ON(!buffer_mapped(bh));
BUG_ON(!bh->b_end_io);
- if (buffer_ordered(bh) && (rw == WRITE))
- rw = WRITE_BARRIER;
+ /*
+ * Mask in barrier bit for a write (could be either a WRITE or a
+ * WRITE_SYNC
+ */
+ if (buffer_ordered(bh) && (rw & WRITE))
+ rw |= WRITE_BARRIER;
/*
- * Only clear out a write error when rewriting, should this
- * include WRITE_SYNC as well?
+ * Only clear out a write error when rewriting
*/
- if (test_set_buffer_req(bh) && (rw == WRITE || rw == WRITE_BARRIER))
+ if (test_set_buffer_req(bh) && (rw & WRITE))
clear_buffer_write_io_error(bh);
/*