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authorTrond Myklebust <Trond.Myklebust@netapp.com>2013-04-08 21:38:12 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-04-08 22:12:33 -0400
commit577b42327d707fbe7166aad6902c2eeee6a65015 (patch)
tree3c2c925ede3f9cd13511e0b9913974200b99719e /include/linux/nfs_fs.h
parentbc7a05ca5156915a5aada26d64ee035fdd5e5d25 (diff)
NFS: Add functionality to allow waiting on all outstanding reads to complete
This will later allow NFS locking code to wait for readahead to complete before releasing byte range locks. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/nfs_fs.h')
-rw-r--r--include/linux/nfs_fs.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index f6b1956f3c8..fc01d5cb4cf 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -59,11 +59,18 @@ struct nfs_lockowner {
pid_t l_pid;
};
+#define NFS_IO_INPROGRESS 0
+struct nfs_io_counter {
+ unsigned long flags;
+ atomic_t io_count;
+};
+
struct nfs_lock_context {
atomic_t count;
struct list_head list;
struct nfs_open_context *open_context;
struct nfs_lockowner lockowner;
+ struct nfs_io_counter io_count;
};
struct nfs4_state;