-/* object based disk file system
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * lustre lite cluster file system
*
* This code is issued under the GNU General Public License.
* See the file COPYING in this distribution
*
*
*
- *
#ifndef _LL_H
#define _LL_H
+#include <linux/fs.h>
#include <linux/ext2_fs.h>
+#include <linux/obd_class.h>
#include <linux/lustre_net.h>
#include <linux/lustre_mds.h>
-#include <linux/obdo.h>
-
-#define LUSTRE_LITE_NAME "llite"
+#include <linux/lustre_ha.h>
extern kmem_cache_t *ll_file_data_slab;
-struct ll_file_data {
- __u64 fd_mdshandle;
+struct ll_file_data {
+ __u64 fd_mdshandle;
+ struct ptlrpc_request *fd_req;
+ __u32 fd_flags;
+};
+
+struct ll_inode_md {
+ struct mds_body *body;
+ struct lov_stripe_md *md;
};
+#define LL_IOC_GETFLAGS _IOR ('f', 151, long)
+#define LL_IOC_SETFLAGS _IOW ('f', 152, long)
+#define LL_IOC_CLRFLAGS _IOW ('f', 153, long)
+
+#define LL_FILE_IGNORE_LOCK 0x00000001
+
#define LL_INLINESZ 60
struct ll_inode_info {
- int lli_flags;
- __u64 lli_objid;
- char lli_inline[LL_INLINESZ];
+ struct lov_stripe_md *lli_smd;
+ char *lli_symlink_name;
+ struct lustre_handle lli_intent_lock_handle;
+ struct semaphore lli_open_sem;
};
-#define LL_SUPER_MAGIC 0x0BD00BD0;
+#define LL_SUPER_MAGIC 0x0BD00BD0
+
+#define LL_COMMITCBD_STOPPING 0x1
+#define LL_COMMITCBD_STOPPED 0x2
+#define LL_COMMITCBD_RUNNING 0x4
+
struct ll_sb_info {
- struct list_head ll_list; /* list of supers */
- struct obd_conn ll_conn;
- struct super_block *ll_super;
- ino_t ll_rootino; /* number of root inode */
- int ll_minor; /* minor of /dev/obdX */
- struct list_head ll_inodes; /* list of dirty inodes */
- unsigned long ll_cache_count;
- struct semaphore ll_list_mutex;
- struct ptlrpc_client ll_mds_client;
- struct ptlrpc_client ll_ost_client;
+ struct lustre_handle ll_mdc_conn;
+ struct lustre_handle ll_osc_conn;
+ obd_id ll_rootino; /* number of root inode */
+
+ wait_queue_head_t ll_commitcbd_waitq;
+ wait_queue_head_t ll_commitcbd_ctl_waitq;
+ int ll_commitcbd_flags;
+ struct task_struct *ll_commitcbd_thread;
+ time_t ll_commitcbd_waketime;
+ time_t ll_commitcbd_timeout;
+ spinlock_t ll_commitcbd_lock;
};
+static inline struct ll_sb_info *ll_s2sbi(struct super_block *sb)
+{
+ return (struct ll_sb_info *)(sb->u.generic_sbp);
+}
+
+static inline struct lustre_handle *ll_s2obdconn(struct super_block *sb)
+{
+ return &(ll_s2sbi(sb))->ll_osc_conn;
+}
+
+static inline struct client_obd *sbi2mdc(struct ll_sb_info *sbi)
+{
+ struct obd_device *obd = class_conn2obd(&sbi->ll_mdc_conn);
+ if (obd == NULL)
+ LBUG();
+ return &obd->u.cli;
+}
+
static inline struct ll_sb_info *ll_i2sbi(struct inode *inode)
{
- return (struct ll_sb_info *) (inode->i_sb->u.generic_sbp);
+ return ll_s2sbi(inode->i_sb);
}
static inline struct ll_inode_info *ll_i2info(struct inode *inode)
return (struct ll_inode_info *)&(inode->u.generic_ip);
}
-static inline int ll_has_inline(struct inode *inode)
+static inline struct lustre_handle *ll_i2obdconn(struct inode *inode)
{
- return (ll_i2info(inode)->lli_flags & OBD_FL_INLINEDATA);
+ return ll_s2obdconn(inode->i_sb);
}
+static inline void ll_ino2fid(struct ll_fid *fid, obd_id ino, __u32 generation,
+ int type)
+{
+ fid->id = ino;
+ fid->generation = generation;
+ fid->f_type = type;
+}
-static inline struct obd_conn *ll_i2obdconn(struct inode *inode)
+static inline void ll_inode2fid(struct ll_fid *fid, struct inode *inode)
{
- return &(ll_i2sbi(inode))->ll_conn;
+ ll_ino2fid(fid, inode->i_ino, inode->i_generation,
+ inode->i_mode & S_IFMT);
}
+/* namei.c */
+int ll_lock(struct inode *dir, struct dentry *dentry,
+ struct lookup_intent *it, struct lustre_handle *lockh);
+int ll_unlock(__u32 mode, struct lustre_handle *lockh);
+
+/* dcache.c */
+void ll_intent_release(struct dentry *de);
+
/* dir.c */
extern struct file_operations ll_dir_operations;
extern struct inode_operations ll_dir_inode_operations;
void ll_sysctl_init(void);
void ll_sysctl_clean(void);
-
-
-static inline struct list_head *ll_slist(struct inode *inode)
-{
- struct ll_sb_info *sbi = ll_i2sbi(inode);
-
- return &sbi->ll_inodes;
-}
-
#endif
-
git://git.whamcloud.com / fs / lustre-release.git / blobdiff