1 files changed, 100 insertions, 174 deletions

diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h
index e3c0f1dd4d31..3f2f30b6542c 100644
--- a/drivers/staging/lustre/lustre/llite/llite_internal.h
+++ b/drivers/staging/lustre/lustre/llite/llite_internal.h
@@ -43,11 +43,11 @@
 
 /* for struct cl_lock_descr and struct cl_io */
 #include "../include/cl_object.h"
-#include "../include/lclient.h"
 #include "../include/lustre_mdc.h"
 #include "../include/lustre_intent.h"
 #include <linux/compat.h>
 #include <linux/posix_acl_xattr.h>
+#include "vvp_internal.h"
 
 #ifndef FMODE_EXEC
 #define FMODE_EXEC 0
@@ -99,6 +99,13 @@ struct ll_remote_perm {
 					     */
 };
 
+struct ll_grouplock {
+	struct lu_env	*lg_env;
+	struct cl_io	*lg_io;
+	struct cl_lock	*lg_lock;
+	unsigned long	 lg_gid;
+};
+
 enum lli_flags {
 	/* MDS has an authority for the Size-on-MDS attributes. */
 	LLIF_MDS_SIZE_LOCK      = (1 << 0),
@@ -161,7 +168,9 @@ struct ll_inode_info {
 	struct inode			lli_vfs_inode;
 
 	/* the most recent timestamps obtained from mds */
-	struct ost_lvb			lli_lvb;
+	s64				lli_atime;
+	s64				lli_mtime;
+	s64				lli_ctime;
 	spinlock_t			lli_agl_lock;
 
 	/* Try to make the d::member and f::member are aligned. Before using
@@ -328,6 +337,7 @@ enum ra_stat {
 	RA_STAT_EOF,
 	RA_STAT_MAX_IN_FLIGHT,
 	RA_STAT_WRONG_GRAB_PAGE,
+	RA_STAT_FAILED_REACH_END,
 	_NR_RA_STAT,
 };
 
@@ -481,6 +491,12 @@ struct ll_sb_info {
 
 	struct lprocfs_stats     *ll_stats; /* lprocfs stats counter */
 
+	/*
+	 * Used to track "unstable" pages on a client, and maintain a
+	 * LRU list of clean pages. An "unstable" page is defined as
+	 * any page which is sent to a server as part of a bulk request,
+	 * but is uncommitted to stable storage.
+	 */
 	struct cl_client_cache    ll_cache;
 
 	struct lprocfs_stats     *ll_ra_stats;
@@ -525,13 +541,6 @@ struct ll_sb_info {
 	struct completion	 ll_kobj_unregister;
 };
 
-struct ll_ra_read {
-	pgoff_t	     lrr_start;
-	pgoff_t	     lrr_count;
-	struct task_struct *lrr_reader;
-	struct list_head	  lrr_linkage;
-};
-
 /*
  * per file-descriptor read-ahead data.
  */
@@ -590,12 +599,6 @@ struct ll_readahead_state {
 	 */
 	unsigned long   ras_request_index;
 	/*
-	 * list of struct ll_ra_read's one per read(2) call current in
-	 * progress against this file descriptor. Used by read-ahead code,
-	 * protected by ->ras_lock.
-	 */
-	struct list_head      ras_read_beads;
-	/*
 	 * The following 3 items are used for detecting the stride I/O
 	 * mode.
 	 * In stride I/O mode,
@@ -622,7 +625,7 @@ extern struct kmem_cache *ll_file_data_slab;
 struct lustre_handle;
 struct ll_file_data {
 	struct ll_readahead_state fd_ras;
-	struct ccc_grouplock fd_grouplock;
+	struct ll_grouplock fd_grouplock;
 	__u64 lfd_pos;
 	__u32 fd_flags;
 	fmode_t fd_omode;
@@ -663,8 +666,16 @@ static inline int ll_need_32bit_api(struct ll_sb_info *sbi)
 #endif
 }
 
-void ll_ra_read_in(struct file *f, struct ll_ra_read *rar);
-void ll_ra_read_ex(struct file *f, struct ll_ra_read *rar);
+void ll_ras_enter(struct file *f);
+
+/* llite/lcommon_misc.c */
+int cl_init_ea_size(struct obd_export *md_exp, struct obd_export *dt_exp);
+int cl_ocd_update(struct obd_device *host,
+		  struct obd_device *watched,
+		  enum obd_notify_event ev, void *owner, void *data);
+int cl_get_grouplock(struct cl_object *obj, unsigned long gid, int nonblock,
+		     struct ll_grouplock *cg);
+void cl_put_grouplock(struct ll_grouplock *cg);
 
 /* llite/lproc_llite.c */
 int ldebugfs_register_mountpoint(struct dentry *parent,
@@ -697,15 +708,15 @@ int ll_md_blocking_ast(struct ldlm_lock *, struct ldlm_lock_desc *,
 struct dentry *ll_splice_alias(struct inode *inode, struct dentry *de);
 
 /* llite/rw.c */
-int ll_prepare_write(struct file *, struct page *, unsigned from, unsigned to);
-int ll_commit_write(struct file *, struct page *, unsigned from, unsigned to);
 int ll_writepage(struct page *page, struct writeback_control *wbc);
 int ll_writepages(struct address_space *, struct writeback_control *wbc);
 int ll_readpage(struct file *file, struct page *page);
 void ll_readahead_init(struct inode *inode, struct ll_readahead_state *ras);
 int ll_readahead(const struct lu_env *env, struct cl_io *io,
-		 struct ll_readahead_state *ras, struct address_space *mapping,
-		 struct cl_page_list *queue, int flags);
+		 struct cl_page_list *queue, struct ll_readahead_state *ras,
+		 bool hit);
+struct ll_cl_context *ll_cl_init(struct file *file, struct page *vmpage);
+void ll_cl_fini(struct ll_cl_context *lcc);
 
 extern const struct address_space_operations ll_aops;
 
@@ -740,7 +751,7 @@ struct posix_acl *ll_get_acl(struct inode *inode, int type);
 int ll_inode_permission(struct inode *inode, int mask);
 
 int ll_lov_setstripe_ea_info(struct inode *inode, struct dentry *dentry,
-			     int flags, struct lov_user_md *lum,
+			     __u64 flags, struct lov_user_md *lum,
 			     int lum_size);
 int ll_lov_getstripe_ea_info(struct inode *inode, const char *filename,
 			     struct lov_mds_md **lmm, int *lmm_size,
@@ -750,9 +761,9 @@ int ll_dir_setstripe(struct inode *inode, struct lov_user_md *lump,
 int ll_dir_getstripe(struct inode *inode, struct lov_mds_md **lmmp,
 		     int *lmm_size, struct ptlrpc_request **request);
 int ll_fsync(struct file *file, loff_t start, loff_t end, int data);
-int ll_merge_lvb(const struct lu_env *env, struct inode *inode);
+int ll_merge_attr(const struct lu_env *env, struct inode *inode);
 int ll_fid2path(struct inode *inode, void __user *arg);
-int ll_data_version(struct inode *inode, __u64 *data_version, int extent_lock);
+int ll_data_version(struct inode *inode, __u64 *data_version, int flags);
 int ll_hsm_release(struct inode *inode);
 
 /* llite/dcache.c */
@@ -824,65 +835,8 @@ struct ll_close_queue {
 	atomic_t		lcq_stop;
 };
 
-struct ccc_object *cl_inode2ccc(struct inode *inode);
-
-void vvp_write_pending (struct ccc_object *club, struct ccc_page *page);
-void vvp_write_complete(struct ccc_object *club, struct ccc_page *page);
-
-/* specific architecture can implement only part of this list */
-enum vvp_io_subtype {
-	/** normal IO */
-	IO_NORMAL,
-	/** io started from splice_{read|write} */
-	IO_SPLICE
-};
-
-/* IO subtypes */
-struct vvp_io {
-	/** io subtype */
-	enum vvp_io_subtype    cui_io_subtype;
-
-	union {
-		struct {
-			struct pipe_inode_info *cui_pipe;
-			unsigned int	    cui_flags;
-		} splice;
-		struct vvp_fault_io {
-			/**
-			 * Inode modification time that is checked across DLM
-			 * lock request.
-			 */
-			time64_t	    ft_mtime;
-			struct vm_area_struct *ft_vma;
-			/**
-			 *  locked page returned from vvp_io
-			 */
-			struct page	    *ft_vmpage;
-			struct vm_fault_api {
-				/**
-				 * kernel fault info
-				 */
-				struct vm_fault *ft_vmf;
-				/**
-				 * fault API used bitflags for return code.
-				 */
-				unsigned int    ft_flags;
-				/**
-				 * check that flags are from filemap_fault
-				 */
-				bool		ft_flags_valid;
-			} fault;
-		} fault;
-	} u;
-	/**
-	 * Read-ahead state used by read and page-fault IO contexts.
-	 */
-	struct ll_ra_read    cui_bead;
-	/**
-	 * Set when cui_bead has been initialized.
-	 */
-	int		  cui_ra_window_set;
-};
+void vvp_write_pending(struct vvp_object *club, struct vvp_page *page);
+void vvp_write_complete(struct vvp_object *club, struct vvp_page *page);
 
 /**
  * IO arguments for various VFS I/O interfaces.
@@ -911,54 +865,32 @@ struct ll_cl_context {
 	int	     lcc_refcheck;
 };
 
-struct vvp_thread_info {
-	struct vvp_io_args   vti_args;
-	struct ra_io_arg     vti_ria;
-	struct ll_cl_context vti_io_ctx;
+struct ll_thread_info {
+	struct vvp_io_args   lti_args;
+	struct ra_io_arg     lti_ria;
+	struct ll_cl_context lti_io_ctx;
 };
 
-static inline struct vvp_thread_info *vvp_env_info(const struct lu_env *env)
-{
-	extern struct lu_context_key vvp_key;
-	struct vvp_thread_info      *info;
-
-	info = lu_context_key_get(&env->le_ctx, &vvp_key);
-	LASSERT(info);
-	return info;
-}
-
-static inline struct vvp_io_args *vvp_env_args(const struct lu_env *env,
-					       enum vvp_io_subtype type)
+extern struct lu_context_key ll_thread_key;
+static inline struct ll_thread_info *ll_env_info(const struct lu_env *env)
 {
-	struct vvp_io_args *ret = &vvp_env_info(env)->vti_args;
-
-	ret->via_io_subtype = type;
+	struct ll_thread_info *lti;
 
-	return ret;
+	lti = lu_context_key_get(&env->le_ctx, &ll_thread_key);
+	LASSERT(lti);
+	return lti;
 }
 
-struct vvp_session {
-	struct vvp_io	 vs_ios;
-};
-
-static inline struct vvp_session *vvp_env_session(const struct lu_env *env)
+static inline struct vvp_io_args *ll_env_args(const struct lu_env *env,
+					      enum vvp_io_subtype type)
 {
-	extern struct lu_context_key vvp_session_key;
-	struct vvp_session *ses;
+	struct vvp_io_args *via = &ll_env_info(env)->lti_args;
 
-	ses = lu_context_key_get(env->le_ses, &vvp_session_key);
-	LASSERT(ses);
-	return ses;
-}
+	via->via_io_subtype = type;
 
-static inline struct vvp_io *vvp_env_io(const struct lu_env *env)
-{
-	return &vvp_env_session(env)->vs_ios;
+	return via;
 }
 
-int vvp_global_init(void);
-void vvp_global_fini(void);
-
 void ll_queue_done_writing(struct inode *inode, unsigned long flags);
 void ll_close_thread_shutdown(struct ll_close_queue *lcq);
 int ll_close_thread_start(struct ll_close_queue **lcq_ret);
@@ -981,6 +913,10 @@ static inline void ll_invalidate_page(struct page *vmpage)
 	if (!mapping)
 		return;
 
+	/*
+	 * truncate_complete_page() calls
+	 * a_ops->invalidatepage()->cl_page_delete()->vvp_page_delete().
+	 */
 	ll_teardown_mmaps(mapping, offset, offset + PAGE_SIZE);
 	truncate_complete_page(mapping, vmpage);
 }
@@ -1040,10 +976,10 @@ static inline __u64 ll_file_maxbytes(struct inode *inode)
 }
 
 /* llite/xattr.c */
-int ll_setxattr(struct dentry *dentry, const char *name,
-		const void *value, size_t size, int flags);
-ssize_t ll_getxattr(struct dentry *dentry, const char *name,
-		    void *buffer, size_t size);
+int ll_setxattr(struct dentry *dentry, struct inode *inode,
+		const char *name, const void *value, size_t size, int flags);
+ssize_t ll_getxattr(struct dentry *dentry, struct inode *inode,
+		    const char *name, void *buffer, size_t size);
 ssize_t ll_listxattr(struct dentry *dentry, char *buffer, size_t size);
 int ll_removexattr(struct dentry *dentry, const char *name);
 
@@ -1055,9 +991,6 @@ void free_rmtperm_hash(struct hlist_head *hash);
 int ll_update_remote_perm(struct inode *inode, struct mdt_remote_perm *perm);
 int lustre_check_remote_perm(struct inode *inode, int mask);
 
-/* llite/llite_cl.c */
-extern struct lu_device_type vvp_device_type;
-
 /**
  * Common IO arguments for various VFS I/O interfaces.
  */
@@ -1069,7 +1002,7 @@ void ras_update(struct ll_sb_info *sbi, struct inode *inode,
 		struct ll_readahead_state *ras, unsigned long index,
 		unsigned hit);
 void ll_ra_count_put(struct ll_sb_info *sbi, unsigned long len);
-void ll_ra_stats_inc(struct address_space *mapping, enum ra_stat which);
+void ll_ra_stats_inc(struct inode *inode, enum ra_stat which);
 
 /* llite/llite_rmtacl.c */
 #ifdef CONFIG_FS_POSIX_ACL
@@ -1163,6 +1096,22 @@ int do_statahead_enter(struct inode *dir, struct dentry **dentry,
 		       int only_unplug);
 void ll_stop_statahead(struct inode *dir, void *key);
 
+blkcnt_t dirty_cnt(struct inode *inode);
+
+int cl_glimpse_size0(struct inode *inode, int agl);
+int cl_glimpse_lock(const struct lu_env *env, struct cl_io *io,
+		    struct inode *inode, struct cl_object *clob, int agl);
+
+static inline int cl_glimpse_size(struct inode *inode)
+{
+	return cl_glimpse_size0(inode, 0);
+}
+
+static inline int cl_agl(struct inode *inode)
+{
+	return cl_glimpse_size0(inode, 1);
+}
+
 static inline int ll_glimpse_size(struct inode *inode)
 {
 	struct ll_inode_info *lli = ll_i2info(inode);
@@ -1285,43 +1234,6 @@ typedef enum llioc_iter (*llioc_callback_t)(struct inode *inode,
 void *ll_iocontrol_register(llioc_callback_t cb, int count, unsigned int *cmd);
 void ll_iocontrol_unregister(void *magic);
 
-/* lclient compat stuff */
-#define cl_inode_info ll_inode_info
-#define cl_i2info(info) ll_i2info(info)
-#define cl_inode_mode(inode) ((inode)->i_mode)
-#define cl_i2sbi ll_i2sbi
-
-static inline struct ll_file_data *cl_iattr2fd(struct inode *inode,
-					       const struct iattr *attr)
-{
-	LASSERT(attr->ia_valid & ATTR_FILE);
-	return LUSTRE_FPRIVATE(attr->ia_file);
-}
-
-static inline void cl_isize_write_nolock(struct inode *inode, loff_t kms)
-{
-	LASSERT(mutex_is_locked(&ll_i2info(inode)->lli_size_mutex));
-	i_size_write(inode, kms);
-}
-
-static inline void cl_isize_write(struct inode *inode, loff_t kms)
-{
-	ll_inode_size_lock(inode);
-	i_size_write(inode, kms);
-	ll_inode_size_unlock(inode);
-}
-
-#define cl_isize_read(inode)	     i_size_read(inode)
-
-static inline int cl_merge_lvb(const struct lu_env *env, struct inode *inode)
-{
-	return ll_merge_lvb(env, inode);
-}
-
-#define cl_inode_atime(inode) LTIME_S((inode)->i_atime)
-#define cl_inode_ctime(inode) LTIME_S((inode)->i_ctime)
-#define cl_inode_mtime(inode) LTIME_S((inode)->i_mtime)
-
 int cl_sync_file_range(struct inode *inode, loff_t start, loff_t end,
 		       enum cl_fsync_mode mode, int ignore_layout);
 
@@ -1350,7 +1262,7 @@ static inline void cl_stats_tally(struct cl_device *dev, enum cl_req_type crt,
 	int opc = (crt == CRT_READ) ? LPROC_LL_OSC_READ :
 				      LPROC_LL_OSC_WRITE;
 
-	ll_stats_ops_tally(ll_s2sbi(cl2ccc_dev(dev)->cdv_sb), opc, rc);
+	ll_stats_ops_tally(ll_s2sbi(cl2vvp_dev(dev)->vdv_sb), opc, rc);
 }
 
 ssize_t ll_direct_rw_pages(const struct lu_env *env, struct cl_io *io,
@@ -1382,18 +1294,16 @@ static inline void ll_set_lock_data(struct obd_export *exp, struct inode *inode,
 		 */
 		if (it->d.lustre.it_remote_lock_mode) {
 			handle.cookie = it->d.lustre.it_remote_lock_handle;
-			CDEBUG(D_DLMTRACE, "setting l_data to inode %p(%lu/%u) for remote lock %#llx\n",
-			       inode,
-			       inode->i_ino, inode->i_generation,
+			CDEBUG(D_DLMTRACE, "setting l_data to inode "DFID"%p for remote lock %#llx\n",
+			       PFID(ll_inode2fid(inode)), inode,
 			       handle.cookie);
 			md_set_lock_data(exp, &handle.cookie, inode, NULL);
 		}
 
 		handle.cookie = it->d.lustre.it_lock_handle;
 
-		CDEBUG(D_DLMTRACE, "setting l_data to inode %p (%lu/%u) for lock %#llx\n",
-		       inode, inode->i_ino,
-		       inode->i_generation, handle.cookie);
+		CDEBUG(D_DLMTRACE, "setting l_data to inode "DFID"%p for lock %#llx\n",
+		       PFID(ll_inode2fid(inode)), inode, handle.cookie);
 
 		md_set_lock_data(exp, &handle.cookie, inode,
 				 &it->d.lustre.it_lock_bits);
@@ -1471,9 +1381,25 @@ enum {
 
 int ll_layout_conf(struct inode *inode, const struct cl_object_conf *conf);
 int ll_layout_refresh(struct inode *inode, __u32 *gen);
-int ll_layout_restore(struct inode *inode);
+int ll_layout_restore(struct inode *inode, loff_t start, __u64 length);
 
 int ll_xattr_init(void);
 void ll_xattr_fini(void);
 
+int ll_page_sync_io(const struct lu_env *env, struct cl_io *io,
+		    struct cl_page *page, enum cl_req_type crt);
+
+/* lcommon_cl.c */
+int cl_setattr_ost(struct inode *inode, const struct iattr *attr);
+
+extern struct lu_env *cl_inode_fini_env;
+extern int cl_inode_fini_refcheck;
+
+int cl_file_inode_init(struct inode *inode, struct lustre_md *md);
+void cl_inode_fini(struct inode *inode);
+int cl_local_size(struct inode *inode);
+
+__u64 cl_fid_build_ino(const struct lu_fid *fid, int api32);
+__u32 cl_fid_build_gen(const struct lu_fid *fid);
+
 #endif /* LLITE_INTERNAL_H */