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>
24 extern kmem_cache_t *ll_file_data_slab;
27 struct ptlrpc_request *fd_req;
32 struct mds_body *body;
33 struct lov_stripe_md *md;
36 #define LL_IOC_GETFLAGS _IOR ('f', 151, long)
37 #define LL_IOC_SETFLAGS _IOW ('f', 152, long)
38 #define LL_IOC_CLRFLAGS _IOW ('f', 153, long)
40 #define LL_FILE_IGNORE_LOCK 0x00000001
42 #define LL_INLINESZ 60
43 struct ll_inode_info {
45 // struct obdo *lli_obdo;
46 struct lov_stripe_md *lli_smd;
49 char *lli_symlink_name;
50 char lli_inline[LL_INLINESZ];
51 struct lustre_handle lli_intent_lock_handle;
54 #define LL_SUPER_MAGIC 0x0BD00BD0
56 #define LL_COMMITCBD_STOPPING 0x1
57 #define LL_COMMITCBD_STOPPED 0x2
58 #define LL_COMMITCBD_RUNNING 0x4
61 struct lustre_handle ll_mdc_conn;
62 struct lustre_handle ll_osc_conn;
63 obd_id ll_rootino; /* number of root inode */
65 wait_queue_head_t ll_commitcbd_waitq;
66 wait_queue_head_t ll_commitcbd_ctl_waitq;
67 int ll_commitcbd_flags;
68 struct task_struct *ll_commitcbd_thread;
69 time_t ll_commitcbd_waketime;
70 time_t ll_commitcbd_timeout;
71 spinlock_t ll_commitcbd_lock;
75 static inline struct ll_sb_info *ll_s2sbi(struct super_block *sb)
77 return (struct ll_sb_info *)(sb->u.generic_sbp);
80 static inline struct lustre_handle *ll_s2obdconn(struct super_block *sb)
82 return &(ll_s2sbi(sb))->ll_osc_conn;
85 static inline struct mdc_obd *sbi2mdc(struct ll_sb_info *sbi)
87 struct obd_device *obd = class_conn2obd(&sbi->ll_mdc_conn);
93 static inline struct ll_sb_info *ll_i2sbi(struct inode *inode)
95 return ll_s2sbi(inode->i_sb);
98 static inline struct ll_inode_info *ll_i2info(struct inode *inode)
100 return (struct ll_inode_info *)&(inode->u.generic_ip);
103 static inline int ll_has_inline(struct inode *inode)
105 return (ll_i2info(inode)->lli_flags & OBD_FL_INLINEDATA);
109 static inline struct lustre_handle *ll_i2obdconn(struct inode *inode)
111 return ll_s2obdconn(inode->i_sb);
114 static inline void ll_ino2fid(struct ll_fid *fid, obd_id ino, __u32 generation,
118 fid->generation = generation;
122 static inline void ll_inode2fid(struct ll_fid *fid, struct inode *inode)
124 ll_ino2fid(fid, inode->i_ino, inode->i_generation,
125 inode->i_mode & S_IFMT);
129 int ll_lock(struct inode *dir, struct dentry *dentry,
130 struct lookup_intent *it, struct lustre_handle *lockh);
131 int ll_unlock(__u32 mode, struct lustre_handle *lockh);
134 void ll_intent_release(struct dentry *de);
137 extern struct file_operations ll_dir_operations;
138 extern struct inode_operations ll_dir_inode_operations;
141 extern struct file_operations ll_file_operations;
142 extern struct inode_operations ll_file_inode_operations;
145 struct page *ll_getpage(struct inode *inode, unsigned long offset,
146 int create, int locked);
147 void ll_truncate(struct inode *inode);
150 extern struct inode_operations ll_fast_symlink_inode_operations;
151 extern struct inode_operations ll_symlink_inode_operations;
154 void ll_sysctl_init(void);
155 void ll_sysctl_clean(void);