From: Fred Isaman <iisaman@xxxxxxxxxxxxxx>
[pnfsblock: SQUASHME: adjust to API change]
Signed-off-by: Fred Isaman <iisaman@xxxxxxxxxxxxxx>
[pnfsblock: fixup blksize alignment in bl_setup_layoutcommit]
Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxxx>
---
fs/nfs/blocklayout/blocklayout.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index cbf74d8..01fe089 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -70,6 +70,19 @@ static int is_hole(struct pnfs_block_extent *be, sector_t isect)
return !is_sector_initialized(be->be_inval, isect);
}
+/* Given the be associated with isect, determine if page data can be
+ * written to disk.
+ */
+static int is_writable(struct pnfs_block_extent *be, sector_t isect)
+{
+ if (be->be_state == PNFS_BLOCK_READWRITE_DATA)
+ return 1;
+ else if (be->be_state != PNFS_BLOCK_INVALID_DATA)
+ return 0;
+ else
+ return is_sector_initialized(be->be_inval, isect);
+}
+
static int
dont_like_caller(struct nfs_page *req)
{
--
1.7.4.1
--
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