LU-808 llite: deny truncate beyond user rlimit

[fs/lustre-release.git] / lustre / liblustre / llite_lib.h

diff --git a/lustre/liblustre/llite_lib.h b/lustre/liblustre/llite_lib.h
index b2626ca..780a3c3 100644 (file)
--- a/lustre/liblustre/llite_lib.h
+++ b/lustre/liblustre/llite_lib.h
@@ -26,8 +26,10 @@
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Whamcloud, Inc.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -36,6 +38,18 @@
 
 #ifndef __LLU_H_
 #define __LLU_H_
+#include <fcntl.h>
+#include <sys/queue.h>
+#include <sysio.h>
+#ifdef HAVE_XTIO_H
+#include <xtio.h>
+#endif
+#include <fs.h>
+#include <mount.h>
+#include <inode.h>
+#ifdef HAVE_FILE_H
+#include <file.h>
+#endif
 
 #include <liblustre.h>
 #include <obd.h>
@@ -53,8 +67,7 @@
 
 /* This should not be "optimized" use ~0ULL because page->index is a long and
  * 32-bit systems are therefore limited to 16TB in a mapping */
-#define PAGE_CACHE_MAXBYTES ((__u64)(~0UL) << CFS_PAGE_SHIFT)
-
+#define MAX_LFS_FILESIZE ((__u64)(~0UL) << CFS_PAGE_SHIFT)
 struct ll_file_data {
         struct obd_client_handle fd_mds_och;
         __u32 fd_flags;
@@ -90,7 +103,6 @@ struct llu_inode_info {
 
         struct lov_stripe_md   *lli_smd;
         char                   *lli_symlink_name;
-        cfs_semaphore_t         lli_open_sem;
         __u64                   lli_maxbytes;
         unsigned long           lli_flags;
         __u64                   lli_ioepoch;
@@ -115,9 +127,10 @@ struct llu_inode_info {
         int                     lli_st_flags;
         unsigned long           lli_st_generation;
         struct cl_object       *lli_clob;
+        /* the most recent timestamps obtained from mds */
+        struct ost_lvb          lli_lvb;
 };
 
-
 static inline struct llu_sb_info *llu_fs2sbi(struct filesys *fs)
 {
         return (struct llu_sb_info*)(fs->fs_private);
@@ -128,11 +141,18 @@ static inline struct llu_inode_info *llu_i2info(struct inode *inode)
         return (struct llu_inode_info*)(inode->i_private);
 }
 
+static inline int ll_inode_flags(struct inode *inode)
+{
+        return llu_i2info(inode)->lli_st_flags;
+}
+
 static inline struct intnl_stat *llu_i2stat(struct inode *inode)
 {
         return &inode->i_stbuf;
 }
 
+#define ll_inode_blksize(inode)     (llu_i2stat(inode)->st_blksize)
+
 static inline struct llu_sb_info *llu_i2sbi(struct inode *inode)
 {
         return llu_i2info(inode)->lli_sbi;
@@ -227,7 +247,6 @@ extern struct mount_option_s mount_option;
 /* super.c */
 void llu_update_inode(struct inode *inode, struct lustre_md *md);
 void obdo_to_inode(struct inode *dst, struct obdo *src, obd_flag valid);
-void obdo_from_inode(struct obdo *dst, struct inode *src, obd_flag valid);
 int ll_it_open_error(int phase, struct lookup_intent *it);
 struct inode *llu_iget(struct filesys *fs, struct lustre_md *md);
 int llu_inode_getattr(struct inode *inode, struct obdo *obdo,
@@ -243,7 +262,6 @@ extern struct fssw_ops llu_fssw_ops;
 void llu_prep_md_op_data(struct md_op_data *op_data, struct inode *i1,
                          struct inode *i2, const char *name, int namelen,
                          int mode, __u32 opc);
-void llu_finish_md_op_data(struct md_op_data *op_data);
 int llu_create(struct inode *dir, struct pnode_base *pnode, int mode);
 int llu_local_open(struct llu_inode_info *lli, struct lookup_intent *it);
 int llu_iop_open(struct pnode *pnode, int flags, mode_t mode);
@@ -352,8 +370,6 @@ void put_io_group(struct llu_io_group *group);
 
 int cl_sb_init(struct llu_sb_info *sbi);
 int cl_sb_fini(struct llu_sb_info *sbi);
-int cl_inode_init(struct inode *inode, struct lustre_md *md);
-void cl_inode_fini(struct inode *inode);
 
 void llu_io_init(struct cl_io *io, struct inode *inode, int write);
 
@@ -383,9 +399,15 @@ static inline struct slp_io *slp_env_io(const struct lu_env *env)
 #define cl_i2info(info) llu_i2info(info)
 #define cl_inode_mode(inode) (llu_i2stat(inode)->st_mode)
 #define cl_i2sbi llu_i2sbi
-#define cl_isize_read(inode) (llu_i2stat(inode)->st_size)
-#define cl_isize_write(inode,kms) do{llu_i2stat(inode)->st_size = kms;}while(0)
-#define cl_isize_write_nolock(inode,kms) do{llu_i2stat(inode)->st_size = kms;}while(0)
+#define cl_isize_read(inode)             (llu_i2stat(inode)->st_size)
+#define cl_isize_write(inode,kms)        do{llu_i2stat(inode)->st_size = kms;}while(0)
+#define cl_isize_write_nolock(inode,kms) cl_isize_write(inode,kms)
+
+static inline struct ll_file_data *cl_iattr2fd(struct inode *inode,
+                                               const struct iattr *attr)
+{
+        return llu_i2info(inode)->lli_file_data;
+}
 
 static inline void cl_isize_lock(struct inode *inode, int lsmlock)
 {
@@ -410,4 +432,18 @@ static inline struct obd_capa *cl_capa_lookup(struct inode *inode,
         return NULL;
 }
 
+static inline void cl_stats_tally(struct cl_device *dev, enum cl_req_type crt,
+                                  int rc)
+{
+}
+
+static inline loff_t i_size_read(struct inode *inode)
+{
+        return inode->i_stbuf.st_size;
+}
+
+static inline void i_size_write(struct inode *inode, loff_t i_sz)
+{
+        inode->i_stbuf.st_size = i_sz;
+}
 #endif