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authorChristoph Hellwig <hch@lst.de>2015-08-17 19:41:01 +0300
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-08-17 21:22:49 +0300
commit8bb28975823aee062f82b99ddacc499601c0cfd1 (patch)
tree8124e5dad734c9981f96eeb76bf6a05e04ee85ab /include/linux/nfs4.h
parent513d6d7a9591d7c5ebb5f05465942185db9299a4 (diff)
downloadlinux-8bb28975823aee062f82b99ddacc499601c0cfd1.tar.xz
pnfs: move common blocklayout XDR defintions to nfs4.h
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'include/linux/nfs4.h')
-rw-r--r--include/linux/nfs4.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index b8e72aad919c..00121f298269 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -547,6 +547,24 @@ enum pnfs_notify_deviceid_type4 {
NOTIFY_DEVICEID4_DELETE = 1 << 2,
};
+enum pnfs_block_volume_type {
+ PNFS_BLOCK_VOLUME_SIMPLE = 0,
+ PNFS_BLOCK_VOLUME_SLICE = 1,
+ PNFS_BLOCK_VOLUME_CONCAT = 2,
+ PNFS_BLOCK_VOLUME_STRIPE = 3,
+};
+
+enum pnfs_block_extent_state {
+ PNFS_BLOCK_READWRITE_DATA = 0,
+ PNFS_BLOCK_READ_DATA = 1,
+ PNFS_BLOCK_INVALID_DATA = 2,
+ PNFS_BLOCK_NONE_DATA = 3,
+};
+
+/* on the wire size of a block layout extent */
+#define PNFS_BLOCK_EXTENT_SIZE \
+ (7 * sizeof(__be32) + NFS4_DEVICEID4_SIZE)
+
#define NFL4_UFLG_MASK 0x0000003F
#define NFL4_UFLG_DENSE 0x00000001
#define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002