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authorIngo Molnar <mingo@elte.hu>2008-09-30 06:16:26 -0400
committerIngo Molnar <mingo@elte.hu>2008-09-30 06:16:26 -0400
commit59293c8ad54726150cf6178164311b004d615ce4 (patch)
tree6fcf8e59a2c9ac08a4ff092544c34d2254ac0d74 /fs/buffer.c
parent45f197ade73ba95681b9803680c75352fc0a1c0a (diff)
parent94aca1dac6f6d21f4b07e4864baf7768cabcc6e7 (diff)
Merge commit 'v2.6.27-rc8' into oprofile
Conflicts: arch/x86/oprofile/nmi_int.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 38653e36e225..ac78d4c19b3b 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2926,14 +2926,17 @@ int submit_bh(int rw, struct buffer_head * bh)
2926 BUG_ON(!buffer_mapped(bh)); 2926 BUG_ON(!buffer_mapped(bh));
2927 BUG_ON(!bh->b_end_io); 2927 BUG_ON(!bh->b_end_io);
2928 2928
2929 if (buffer_ordered(bh) && (rw == WRITE)) 2929 /*
2930 rw = WRITE_BARRIER; 2930 * Mask in barrier bit for a write (could be either a WRITE or a
2931 * WRITE_SYNC
2932 */
2933 if (buffer_ordered(bh) && (rw & WRITE))
2934 rw |= WRITE_BARRIER;
2931 2935
2932 /* 2936 /*
2933 * Only clear out a write error when rewriting, should this 2937 * Only clear out a write error when rewriting
2934 * include WRITE_SYNC as well?
2935 */ 2938 */
2936 if (test_set_buffer_req(bh) && (rw == WRITE || rw == WRITE_BARRIER)) 2939 if (test_set_buffer_req(bh) && (rw & WRITE))
2937 clear_buffer_write_io_error(bh); 2940 clear_buffer_write_io_error(bh);
2938 2941
2939 /* 2942 /*