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authorJeff Garzik <jgarzik@pobox.com>2005-08-29 16:12:36 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-08-29 16:12:36 -0400
commit2fca877b68b2b4fc5b94277858a1bedd46017cde (patch)
treefd02725406299ba2f26354463b3c261721e9eb6b /include/linux/buffer_head.h
parentMerge upstream kernel changes into 'C/H/S support' branch of libata. (diff)
parentLinux v2.6.13 (diff)
downloadlinux-dev-2fca877b68b2b4fc5b94277858a1bedd46017cde.tar.xz
linux-dev-2fca877b68b2b4fc5b94277858a1bedd46017cde.zip
/spare/repo/libata-dev branch 'v2.6.13'
Diffstat (limited to 'include/linux/buffer_head.h')
-rw-r--r--include/linux/buffer_head.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 802c91e9b3da..90828493791f 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -19,6 +19,9 @@ enum bh_state_bits {
BH_Dirty, /* Is dirty */
BH_Lock, /* Is locked */
BH_Req, /* Has been submitted for I/O */
+ BH_Uptodate_Lock,/* Used by the first bh in a page, to serialise
+ * IO completion of other buffers in the page
+ */
BH_Mapped, /* Has a disk mapping */
BH_New, /* Disk mapping was newly created by get_block */