Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 191 insertions, 49 deletions

diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index fc461926c412..00848d86ffb2 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -3,6 +3,7 @@
 
 #include <linux/nfsacl.h>
 #include <linux/nfs3.h>
+#include <linux/sunrpc/gss_api.h>
 
 /*
  * To change the maximum rsize and wsize supported by the NFS client, adjust
@@ -14,6 +15,9 @@
 #define NFS_DEF_FILE_IO_SIZE    (4096U)
 #define NFS_MIN_FILE_IO_SIZE    (1024U)
 
+/* Forward declaration for NFS v3 */
+struct nfs4_secinfo_flavors;
+
 struct nfs_fsid {
         uint64_t                major;
         uint64_t                minor;
@@ -46,6 +50,7 @@ struct nfs_fattr {
         } du;
         struct nfs_fsid         fsid;
         __u64                   fileid;
+        __u64                   mounted_on_fileid;
         struct timespec         atime;
         struct timespec         mtime;
         struct timespec         ctime;
@@ -78,6 +83,8 @@ struct nfs_fattr {
 #define NFS_ATTR_FATTR_CHANGE           (1U << 17)
 #define NFS_ATTR_FATTR_PRECHANGE        (1U << 18)
 #define NFS_ATTR_FATTR_V4_REFERRAL      (1U << 19)      /* NFSv4 referral */
+#define NFS_ATTR_FATTR_MOUNTPOINT       (1U << 20)      /* Treat as mountpoint */
+#define NFS_ATTR_FATTR_MOUNTED_ON_FILEID                (1U << 21)
 
 #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
                 | NFS_ATTR_FATTR_MODE \
@@ -112,7 +119,9 @@ struct nfs_fsinfo {
         __u32                   wtmult; /* writes should be multiple of this */
         __u32                   dtpref; /* pref. readdir transfer size */
         __u64                   maxfilesize;
+        struct timespec         time_delta; /* server time granularity */
         __u32                   lease_time; /* in seconds */
+        __u32                   layouttype; /* supported pnfs layout driver */
 };
 
 struct nfs_fsstat {
@@ -149,7 +158,6 @@ struct nfs_seqid;
 
 /* nfs41 sessions channel attributes */
 struct nfs4_channel_attrs {
-        u32                     headerpadsz;
         u32                     max_rqst_sz;
         u32                     max_resp_sz;
         u32                     max_resp_sz_cached;
@@ -170,7 +178,7 @@ struct nfs4_sequence_args {
 
 struct nfs4_sequence_res {
         struct nfs4_session     *sr_session;
-        u8                      sr_slotid;      /* slot used to send request */
+        struct nfs4_slot        *sr_slot;       /* slot used to send request */
         int                     sr_status;      /* sequence operation status */
         unsigned long           sr_renewal_time;
         u32                     sr_status_flags;
@@ -185,6 +193,102 @@ struct nfs4_get_lease_time_res {
         struct nfs4_sequence_res        lr_seq_res;
 };
 
+#define PNFS_LAYOUT_MAXSIZE 4096
+
+struct nfs4_layoutdriver_data {
+        struct page **pages;
+        __u32 pglen;
+        __u32 len;
+};
+
+struct pnfs_layout_range {
+        u32 iomode;
+        u64 offset;
+        u64 length;
+};
+
+struct nfs4_layoutget_args {
+        __u32 type;
+        struct pnfs_layout_range range;
+        __u64 minlength;
+        __u32 maxcount;
+        struct inode *inode;
+        struct nfs_open_context *ctx;
+        struct nfs4_sequence_args seq_args;
+        nfs4_stateid stateid;
+        struct nfs4_layoutdriver_data layout;
+};
+
+struct nfs4_layoutget_res {
+        __u32 return_on_close;
+        struct pnfs_layout_range range;
+        __u32 type;
+        nfs4_stateid stateid;
+        struct nfs4_sequence_res seq_res;
+        struct nfs4_layoutdriver_data *layoutp;
+};
+
+struct nfs4_layoutget {
+        struct nfs4_layoutget_args args;
+        struct nfs4_layoutget_res res;
+        struct pnfs_layout_segment **lsegpp;
+        gfp_t gfp_flags;
+};
+
+struct nfs4_getdeviceinfo_args {
+        struct pnfs_device *pdev;
+        struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_getdeviceinfo_res {
+        struct pnfs_device *pdev;
+        struct nfs4_sequence_res seq_res;
+};
+
+struct nfs4_layoutcommit_args {
+        nfs4_stateid stateid;
+        __u64 lastbytewritten;
+        struct inode *inode;
+        const u32 *bitmask;
+        struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_layoutcommit_res {
+        struct nfs_fattr *fattr;
+        const struct nfs_server *server;
+        struct nfs4_sequence_res seq_res;
+};
+
+struct nfs4_layoutcommit_data {
+        struct rpc_task task;
+        struct nfs_fattr fattr;
+        struct pnfs_layout_segment *lseg;
+        struct rpc_cred *cred;
+        struct nfs4_layoutcommit_args args;
+        struct nfs4_layoutcommit_res res;
+};
+
+struct nfs4_layoutreturn_args {
+        __u32   layout_type;
+        struct inode *inode;
+        nfs4_stateid stateid;
+        struct nfs4_sequence_args seq_args;
+};
+
+struct nfs4_layoutreturn_res {
+        struct nfs4_sequence_res seq_res;
+        u32 lrs_present;
+        nfs4_stateid stateid;
+};
+
+struct nfs4_layoutreturn {
+        struct nfs4_layoutreturn_args args;
+        struct nfs4_layoutreturn_res res;
+        struct rpc_cred *cred;
+        struct nfs_client *clp;
+        int rpc_status;
+};
+
 /*
  * Arguments to the open call.
  */
@@ -266,6 +370,7 @@ struct nfs_closeres {
 struct nfs_lowner {
         __u64                   clientid;
         __u64                   id;
+        dev_t                   s_dev;
 };
 
 struct nfs_lock_args {
@@ -400,6 +505,27 @@ struct nfs_removeres {
 };
 
 /*
+ * Common arguments to the rename call
+ */
+struct nfs_renameargs {
+        const struct nfs_fh             *old_dir;
+        const struct nfs_fh             *new_dir;
+        const struct qstr               *old_name;
+        const struct qstr               *new_name;
+        const u32                       *bitmask;
+        struct nfs4_sequence_args       seq_args;
+};
+
+struct nfs_renameres {
+        const struct nfs_server         *server;
+        struct nfs4_change_info         old_cinfo;
+        struct nfs_fattr                *old_fattr;
+        struct nfs4_change_info         new_cinfo;
+        struct nfs_fattr                *new_fattr;
+        struct nfs4_sequence_res        seq_res;
+};
+
+/*
  * Argument struct for decode_entry function
  */
 struct nfs_entry {
@@ -411,6 +537,8 @@ struct nfs_entry {
         int                     eof;
         struct nfs_fh *         fh;
         struct nfs_fattr *      fattr;
+        unsigned char           d_type;
+        struct nfs_server *     server;
 };
 
 /*
@@ -434,15 +562,6 @@ struct nfs_createargs {
         struct iattr *          sattr;
 };
 
-struct nfs_renameargs {
-        struct nfs_fh *         fromfh;
-        const char *            fromname;
-        unsigned int            fromlen;
-        struct nfs_fh *         tofh;
-        const char *            toname;
-        unsigned int            tolen;
-};
-
 struct nfs_setattrargs {
         struct nfs_fh *                 fh;
         nfs4_stateid                    stateid;
@@ -586,15 +705,6 @@ struct nfs3_mknodargs {
         dev_t                   rdev;
 };
 
-struct nfs3_renameargs {
-        struct nfs_fh *         fromfh;
-        const char *            fromname;
-        unsigned int            fromlen;
-        struct nfs_fh *         tofh;
-        const char *            toname;
-        unsigned int            tolen;
-};
-
 struct nfs3_linkargs {
         struct nfs_fh *         fromfh;
         struct nfs_fh *         tofh;
@@ -629,11 +739,6 @@ struct nfs3_readlinkargs {
         struct page **          pages;
 };
 
-struct nfs3_renameres {
-        struct nfs_fattr *      fromattr;
-        struct nfs_fattr *      toattr;
-};
-
 struct nfs3_linkres {
         struct nfs_fattr *      dir_attr;
         struct nfs_fattr *      fattr;
@@ -780,6 +885,7 @@ struct nfs4_readdir_arg {
         struct page **                  pages;  /* zero-copy data */
         unsigned int                    pgbase; /* zero-copy data */
         const u32 *                     bitmask;
+        int                             plus;
         struct nfs4_sequence_args       seq_args;
 };
 
@@ -801,24 +907,6 @@ struct nfs4_readlink_res {
         struct nfs4_sequence_res        seq_res;
 };
 
-struct nfs4_rename_arg {
-        const struct nfs_fh *           old_dir;
-        const struct nfs_fh *           new_dir;
-        const struct qstr *             old_name;
-        const struct qstr *             new_name;
-        const u32 *                     bitmask;
-        struct nfs4_sequence_args       seq_args;
-};
-
-struct nfs4_rename_res {
-        const struct nfs_server *       server;
-        struct nfs4_change_info         old_cinfo;
-        struct nfs_fattr *              old_fattr;
-        struct nfs4_change_info         new_cinfo;
-        struct nfs_fattr *              new_fattr;
-        struct nfs4_sequence_res        seq_res;
-};
-
 #define NFS4_SETCLIENTID_NAMELEN        (127)
 struct nfs4_setclientid {
         const nfs4_verifier *           sc_verifier;
@@ -901,6 +989,38 @@ struct nfs4_fs_locations_res {
         struct nfs4_sequence_res        seq_res;
 };
 
+struct nfs4_secinfo_oid {
+        unsigned int len;
+        char data[GSS_OID_MAX_LEN];
+};
+
+struct nfs4_secinfo_gss {
+        struct nfs4_secinfo_oid sec_oid4;
+        unsigned int qop4;
+        unsigned int service;
+};
+
+struct nfs4_secinfo_flavor {
+        unsigned int            flavor;
+        struct nfs4_secinfo_gss gss;
+};
+
+struct nfs4_secinfo_flavors {
+        unsigned int num_flavors;
+        struct nfs4_secinfo_flavor flavors[0];
+};
+
+struct nfs4_secinfo_arg {
+        const struct nfs_fh             *dir_fh;
+        const struct qstr               *name;
+        struct nfs4_sequence_args       seq_args;
+};
+
+struct nfs4_secinfo_res {
+        struct nfs4_secinfo_flavors     *flavors;
+        struct nfs4_sequence_res        seq_res;
+};
+
 #endif /* CONFIG_NFS_V4 */
 
 struct nfstime4 {
@@ -981,9 +1101,13 @@ struct nfs_read_data {
         unsigned int            npages; /* Max length of pagevec */
         struct nfs_readargs args;
         struct nfs_readres  res;
-#ifdef CONFIG_NFS_V4
         unsigned long           timestamp;      /* For lease renewal */
-#endif
+        struct pnfs_layout_segment *lseg;
+        struct nfs_client       *ds_clp;        /* pNFS data server */
+        const struct rpc_call_ops *mds_ops;
+        int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
+        __u64                   mds_offset;
+        int                     pnfs_error;
         struct page             *page_array[NFS_PAGEVEC_SIZE];
 };
 
@@ -1000,13 +1124,22 @@ struct nfs_write_data {
         unsigned int            npages;         /* Max length of pagevec */
         struct nfs_writeargs    args;           /* argument struct */
         struct nfs_writeres     res;            /* result struct */
+        struct pnfs_layout_segment *lseg;
+        struct nfs_client       *ds_clp;        /* pNFS data server */
+        int                     ds_commit_index;
+        const struct rpc_call_ops *mds_ops;
+        int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
 #ifdef CONFIG_NFS_V4
         unsigned long           timestamp;      /* For lease renewal */
 #endif
+        __u64                   mds_offset;     /* Filelayout dense stripe */
+        int                     pnfs_error;
         struct page             *page_array[NFS_PAGEVEC_SIZE];
 };
 
 struct nfs_access_entry;
+struct nfs_client;
+struct rpc_timeout;
 
 /*
  * RPC procedure vector for NFSv2/NFSv3 demuxing
@@ -1026,25 +1159,27 @@ struct nfs_rpc_ops {
                             struct nfs_fattr *);
         int     (*setattr) (struct dentry *, struct nfs_fattr *,
                             struct iattr *);
-        int     (*lookup)  (struct inode *, struct qstr *,
+        int     (*lookup)  (struct rpc_clnt *clnt, struct inode *, struct qstr *,
                             struct nfs_fh *, struct nfs_fattr *);
         int     (*access)  (struct inode *, struct nfs_access_entry *);
         int     (*readlink)(struct inode *, struct page *, unsigned int,
                             unsigned int);
         int     (*create)  (struct inode *, struct dentry *,
-                            struct iattr *, int, struct nameidata *);
+                            struct iattr *, int, struct nfs_open_context *);
         int     (*remove)  (struct inode *, struct qstr *);
         void    (*unlink_setup)  (struct rpc_message *, struct inode *dir);
         int     (*unlink_done) (struct rpc_task *, struct inode *);
         int     (*rename)  (struct inode *, struct qstr *,
                             struct inode *, struct qstr *);
+        void    (*rename_setup)  (struct rpc_message *msg, struct inode *dir);
+        int     (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
         int     (*link)    (struct inode *, struct inode *, struct qstr *);
         int     (*symlink) (struct inode *, struct dentry *, struct page *,
                             unsigned int, struct iattr *);
         int     (*mkdir)   (struct inode *, struct dentry *, struct iattr *);
         int     (*rmdir)   (struct inode *, struct qstr *);
         int     (*readdir) (struct dentry *, struct rpc_cred *,
-                            u64, struct page *, unsigned int, int);
+                            u64, struct page **, unsigned int, int);
         int     (*mknod)   (struct inode *, struct dentry *, struct iattr *,
                             dev_t);
         int     (*statfs)  (struct nfs_server *, struct nfs_fh *,
@@ -1054,7 +1189,7 @@ struct nfs_rpc_ops {
         int     (*pathconf) (struct nfs_server *, struct nfs_fh *,
                              struct nfs_pathconf *);
         int     (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
-        __be32 *(*decode_dirent)(__be32 *, struct nfs_entry *, int plus);
+        int     (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
         void    (*read_setup)   (struct nfs_read_data *, struct rpc_message *);
         int     (*read_done)  (struct rpc_task *, struct nfs_read_data *);
         void    (*write_setup)  (struct nfs_write_data *, struct rpc_message *);
@@ -1065,6 +1200,13 @@ struct nfs_rpc_ops {
         int     (*lock_check_bounds)(const struct file_lock *);
         void    (*clear_acl_cache)(struct inode *);
         void    (*close_context)(struct nfs_open_context *ctx, int);
+        struct inode * (*open_context) (struct inode *dir,
+                                struct nfs_open_context *ctx,
+                                int open_flags,
+                                struct iattr *iattr);
+        int     (*init_client) (struct nfs_client *, const struct rpc_timeout *,
+                                const char *, rpc_authflavor_t, int);
+        int     (*secinfo)(struct inode *, const struct qstr *, struct nfs4_secinfo_flavors *);
 };
 
 /*