* 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
- *
+ *
* Copyright (C) 2002 Cluster File Systems, Inc. <info@clusterfs.com>
*/
#ifndef _LL_H
#define _LL_H
+#ifdef __KERNEL__
+
#include <linux/fs.h>
#include <linux/ext2_fs.h>
+#include <linux/proc_fs.h>
#include <linux/obd_class.h>
#include <linux/lustre_net.h>
extern kmem_cache_t *ll_file_data_slab;
struct ll_file_data {
- __u64 fd_mdshandle;
+ struct lustre_handle fd_mdshandle;
+ struct lustre_handle fd_osthandle;
struct ptlrpc_request *fd_req;
__u32 fd_flags;
};
+struct lustre_intent_data {
+ __u64 it_lock_handle[2];
+ __u32 it_disposition;
+ __u32 it_status;
+ __u32 it_lock_mode;
+};
-struct ll_inode_md {
- struct mds_body *body;
- struct lov_mds_md *md;
+struct ll_dentry_data {
+ struct semaphore lld_it_sem;
};
-#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_d2d(dentry) ((struct ll_dentry_data*) dentry->d_fsdata)
-#define LL_FILE_IGNORE_LOCK 0x00000001
+struct ll_read_inode2_cookie {
+ struct mds_body *lic_body;
+ struct lov_mds_md *lic_lmm;
+};
#define LL_INLINESZ 60
struct ll_inode_info {
char *lli_symlink_name;
struct lustre_handle lli_intent_lock_handle;
struct semaphore lli_open_sem;
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+ struct inode lli_vfs_inode;
+#endif
};
+
+
#define LL_SUPER_MAGIC 0x0BD00BD0
#define LL_COMMITCBD_STOPPING 0x1
#define LL_COMMITCBD_STOPPED 0x2
#define LL_COMMITCBD_RUNNING 0x4
+#define LL_SBI_NOLCK 0x1
+
struct ll_sb_info {
- unsigned char ll_sb_uuid[37];
+ obd_uuid_t ll_sb_uuid;
struct lustre_handle ll_mdc_conn;
struct lustre_handle ll_osc_conn;
+ struct proc_dir_entry* ll_mnt_root;
obd_id ll_rootino; /* number of root inode */
+ int ll_flags;
wait_queue_head_t ll_commitcbd_waitq;
wait_queue_head_t ll_commitcbd_ctl_waitq;
int ll_commitcbd_flags;
time_t ll_commitcbd_waketime;
time_t ll_commitcbd_timeout;
spinlock_t ll_commitcbd_lock;
+ struct list_head ll_conn_chain; /* per-conn chain of SBs */
};
-
static inline struct ll_sb_info *ll_s2sbi(struct super_block *sb)
{
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+ return (struct ll_sb_info *)(sb->s_fs_info);
+#else
return (struct ll_sb_info *)(sb->u.generic_sbp);
+#endif
}
static inline struct lustre_handle *ll_s2obdconn(struct super_block *sb)
return &obd->u.cli;
}
+// FIXME: replace the name of this with LL_SB to conform to kernel stuff
static inline struct ll_sb_info *ll_i2sbi(struct inode *inode)
{
return ll_s2sbi(inode->i_sb);
}
+
+// FIXME: replace the name of this with LL_I to conform to kernel stuff
+// static inline struct ll_inode_info *LL_I(struct inode *inode)
static inline struct ll_inode_info *ll_i2info(struct inode *inode)
{
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+ return container_of(inode, struct ll_inode_info, lli_vfs_inode);
+#else
return (struct ll_inode_info *)&(inode->u.generic_ip);
+#endif
}
static inline struct lustre_handle *ll_i2obdconn(struct inode *inode)
inode->i_mode & S_IFMT);
}
+static inline int ll_mds_easize(struct super_block *sb)
+{
+ return sbi2mdc(ll_s2sbi(sb))->cl_max_mds_easize;
+}
+
+static inline int ll_ost_easize(struct super_block *sb)
+{
+ return sbi2mdc(ll_s2sbi(sb))->cl_max_ost_easize;
+}
+
/* 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);
+typedef int (*intent_finish_cb)(int flag, struct ptlrpc_request *,
+ struct dentry **, struct lookup_intent *,
+ int offset, obd_id ino);
+int ll_intent_lock(struct inode *parent, struct dentry **,
+ struct lookup_intent *, intent_finish_cb);
+
/* dcache.c */
-void ll_intent_release(struct dentry *de);
+void ll_intent_release(struct dentry *, struct lookup_intent *);
+int ll_set_dd(struct dentry *de);
+
+/****
+
+I originally implmented these as functions, then realized a macro
+would be more helpful for debugging, so the CDEBUG messages show
+the current calling function. The orignal functions are in llite/dcache.c
+
+int ll_save_intent(struct dentry * de, struct lookup_intent * it);
+struct lookup_intent * ll_get_intent(struct dentry * de);
+****/
+
+#define IT_RELEASED_MAGIC 0xDEADCAFE
+
+#define LL_SAVE_INTENT(de, it) \
+do { \
+ LASSERT(ll_d2d(de) != NULL); \
+ \
+ down(&ll_d2d(de)->lld_it_sem); \
+ de->d_it = it; \
+ CDEBUG(D_DENTRY, "D_IT DOWN dentry %p fsdata %p intent: %s sem %d\n", \
+ de, ll_d2d(de), ldlm_it2str(de->d_it->it_op), \
+ atomic_read(&(ll_d2d(de)->lld_it_sem.count))); \
+} while(0)
+
+#define LL_GET_INTENT(de, it) \
+do { \
+ it = de->d_it; \
+ \
+ LASSERT(ll_d2d(de) != NULL); \
+ LASSERT(it->it_op != IT_RELEASED_MAGIC); \
+ \
+ CDEBUG(D_DENTRY, "D_IT UP dentry %p fsdata %p intent: %s\n", \
+ de, ll_d2d(de), ldlm_it2str(de->d_it->it_op)); \
+ de->d_it = NULL; \
+ it->it_op = IT_RELEASED_MAGIC; \
+ up(&ll_d2d(de)->lld_it_sem); \
+} while(0)
/* dir.c */
extern struct file_operations ll_dir_operations;
extern struct inode_operations ll_file_inode_operations;
struct ldlm_lock;
int ll_lock_callback(struct ldlm_lock *, struct ldlm_lock_desc *, void *data,
- __u32 data_len);
-int ll_size_lock(struct inode *, struct lov_stripe_md *, __u64 start, int mode,
- struct lustre_handle **);
+ __u32 data_len, int flag);
+int ll_size_lock(struct inode *, struct lov_stripe_md *, obd_off start,
+ int mode, struct lustre_handle **);
int ll_size_unlock(struct inode *, struct lov_stripe_md *, int mode,
struct lustre_handle *);
+int ll_file_size(struct inode *inode, struct lov_stripe_md *md);
+int ll_create_objects(struct super_block *sb, obd_id id, uid_t uid,
+ gid_t gid, struct lov_stripe_md **lsmp);
/* rw.c */
struct page *ll_getpage(struct inode *inode, unsigned long offset,
- int create, int locked);
+ int create, int locked);
void ll_truncate(struct inode *inode);
+/* super.c */
+void ll_update_inode(struct inode *, struct mds_body *);
+
/* symlink.c */
extern struct inode_operations ll_fast_symlink_inode_operations;
extern struct inode_operations ll_symlink_inode_operations;
void ll_sysctl_init(void);
void ll_sysctl_clean(void);
+#endif /* __KERNEL__ */
+
+#include <asm/types.h>
+
+#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_IOC_LOV_SETSTRIPE _IOW ('f', 154, long)
+
+struct lov_user_md {
+ __u64 lum_stripe_size;
+ __u32 lum_stripe_pattern;
+ __u32 lum_stripe_offset;
+ __u32 lum_stripe_count;
+};
+
+#define O_LOV_DELAY_CREATE 0100000000 /* hopefully this does not conflict */
+
+#define LL_FILE_IGNORE_LOCK 0x00000001
+
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff