Import of Linux 2.2.12 subset (ipv4 stack and related)

1 files changed, 71 insertions, 0 deletions

diff --git a/pfinet/linux-src/include/linux/nfs_fs_i.h b/pfinet/linux-src/include/linux/nfs_fs_i.h
new file mode 100644
index 00000000..885f21f0
--- /dev/null
+++ b/pfinet/linux-src/include/linux/nfs_fs_i.h
@@ -0,0 +1,71 @@
+#ifndef _NFS_FS_I
+#define _NFS_FS_I
+
+#include <linux/nfs.h>
+#include <linux/pipe_fs_i.h>
+
+/*
+ * nfs fs inode data in memory
+ */
+struct nfs_inode_info {
+	/*
+	 * This is a place holder so named pipes on NFS filesystems
+	 * work (more or less correctly). This must be first in the
+	 * struct because the data is really accessed via inode->u.pipe_i.
+	 */
+	struct pipe_inode_info	pipeinfo;
+
+	/*
+	 * Various flags
+	 */
+	unsigned short		flags;
+
+	/*
+	 * read_cache_jiffies is when we started read-caching this inode,
+	 * and read_cache_mtime is the mtime of the inode at that time.
+	 * attrtimeo is for how long the cached information is assumed
+	 * to be valid. A successful attribute revalidation doubles
+	 * attrtimeo (up to acregmax/acdirmax), a failure resets it to
+	 * acregmin/acdirmin.
+	 *
+	 * We need to revalidate the cached attrs for this inode if
+	 *
+	 *	jiffies - read_cache_jiffies > attrtimeo
+	 *
+	 * and invalidate any cached data/flush out any dirty pages if
+	 * we find that
+	 *
+	 *	mtime != read_cache_mtime
+	 */
+	unsigned long		read_cache_jiffies;
+	unsigned long		read_cache_mtime;
+	unsigned long		attrtimeo;
+
+	/*
+	 * This is the list of dirty unwritten pages.
+	 * NFSv3 will want to add a list for written but uncommitted
+	 * pages.
+	 */
+	struct nfs_wreq *	writeback;
+};
+
+/*
+ * Legal inode flag values
+ */
+#define NFS_INO_REVALIDATE	0x0001		/* revalidating attrs */
+#define NFS_IS_SNAPSHOT		0x0010		/* a snapshot file */
+
+/*
+ * NFS lock info
+ */
+struct nfs_lock_info {
+	u32		state;
+	u32		flags;
+};
+
+/*
+ * Lock flag values
+ */
+#define NFS_LCK_GRANTED		0x0001		/* lock has been granted */
+
+#endif