1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * lustre lite cluster file system
6 * This code is issued under the GNU General Public License.
7 * See the file COPYING in this distribution
18 #include <linux/ext2_fs.h>
20 #include <linux/lustre_net.h>
21 #include <linux/lustre_mds.h>
22 #include <linux/lustre_ha.h>
23 #include <linux/obdo.h>
25 extern kmem_cache_t *ll_file_data_slab;
28 struct ptlrpc_request *fd_req;
33 struct mds_body *body;
37 #define LL_IOC_GETFLAGS _IOR ('f', 151, long)
38 #define LL_IOC_SETFLAGS _IOW ('f', 152, long)
39 #define LL_IOC_CLRFLAGS _IOW ('f', 153, long)
41 #define LL_FILE_IGNORE_LOCK 0x00000001
43 #define LL_INLINESZ 60
44 struct ll_inode_info {
46 struct obdo *lli_obdo;
47 char *lli_symlink_name;
48 char lli_inline[LL_INLINESZ];
49 struct lustre_handle lli_intent_lock_handle;
52 #define LL_SUPER_MAGIC 0x0BD00BD0
54 #define LL_COMMITCBD_STOPPING 0x1
55 #define LL_COMMITCBD_STOPPED 0x2
56 #define LL_COMMITCBD_RUNNING 0x4
59 struct obd_conn ll_mdc_conn;
60 struct obd_conn ll_osc_conn;
61 ino_t ll_rootino; /* number of root inode */
63 wait_queue_head_t ll_commitcbd_waitq;
64 wait_queue_head_t ll_commitcbd_ctl_waitq;
65 int ll_commitcbd_flags;
66 struct task_struct *ll_commitcbd_thread;
67 time_t ll_commitcbd_waketime;
68 time_t ll_commitcbd_timeout;
69 spinlock_t ll_commitcbd_lock;
73 static inline struct ll_sb_info *ll_s2sbi(struct super_block *sb)
75 return (struct ll_sb_info *)(sb->u.generic_sbp);
78 static inline struct obd_conn *ll_s2obdconn(struct super_block *sb)
80 return &(ll_s2sbi(sb))->ll_osc_conn;
83 static inline struct mdc_obd *sbi2mdc(struct ll_sb_info *sbi)
85 struct obd_device *obd = sbi->ll_mdc_conn.oc_dev;
89 static inline struct ll_sb_info *ll_i2sbi(struct inode *inode)
91 return ll_s2sbi(inode->i_sb);
94 static inline struct ll_inode_info *ll_i2info(struct inode *inode)
96 return (struct ll_inode_info *)&(inode->u.generic_ip);
99 static inline int ll_has_inline(struct inode *inode)
101 return (ll_i2info(inode)->lli_flags & OBD_FL_INLINEDATA);
105 static inline struct obd_conn *ll_i2obdconn(struct inode *inode)
107 return ll_s2obdconn(inode->i_sb);
110 static inline void ll_ino2fid(struct ll_fid *fid, ino_t ino, __u32 generation,
113 fid->id = (__u64)ino;
114 fid->generation = generation;
118 static inline void ll_inode2fid(struct ll_fid *fid, struct inode *inode)
120 ll_ino2fid(fid, inode->i_ino, inode->i_generation,
121 inode->i_mode & S_IFMT);
125 int ll_lock(struct inode *dir, struct dentry *dentry,
126 struct lookup_intent *it, struct lustre_handle *lockh);
127 int ll_unlock(__u32 mode, struct lustre_handle *lockh);
132 extern struct file_operations ll_dir_operations;
133 extern struct inode_operations ll_dir_inode_operations;
136 extern struct file_operations ll_file_operations;
137 extern struct inode_operations ll_file_inode_operations;
140 struct page *ll_getpage(struct inode *inode, unsigned long offset,
141 int create, int locked);
142 void ll_truncate(struct inode *inode);
145 extern struct inode_operations ll_fast_symlink_inode_operations;
146 extern struct inode_operations ll_symlink_inode_operations;
149 void ll_sysctl_init(void);
150 void ll_sysctl_clean(void);