#include <liblustre.h>
#include <linux/obd.h>
#include <linux/obd_class.h>
-#include <portals/procbridge.h>
+#include <linux/lustre_mds.h>
#include <linux/lustre_lite.h>
#include <sys/types.h>
#include <sys/stat.h>
+#define PAGE_CACHE_MAXBYTES ((__u64)(~0UL) << PAGE_CACHE_SHIFT)
+
struct ll_file_data {
struct obd_client_handle fd_mds_och;
- struct obd_client_handle fd_ost_och;
__u32 fd_flags;
};
struct llu_sb_info
{
struct obd_uuid ll_sb_uuid;
- struct lustre_handle ll_mdc_conn;
- struct lustre_handle ll_osc_conn;
+ struct obd_export *ll_mdc_exp;
+ struct obd_export *ll_osc_exp;
obd_id ll_rootino;
int ll_flags;
struct list_head ll_conn_chain;
+
+ struct obd_uuid ll_mds_uuid;
+ struct obd_uuid ll_mds_peer_uuid;
+ char *ll_instance;
};
+#define LLI_F_HAVE_OST_SIZE_LOCK 0
+#define LLI_F_HAVE_MDS_SIZE_LOCK 1
+#define LLI_F_PREFER_EXTENDED_SIZE 2
+
struct llu_inode_info {
- struct llu_sb_info *lli_sbi;
- struct ll_fid lli_fid;
- struct lov_stripe_md *lli_smd;
- char *lli_symlink_name;
- /*struct semaphore lli_open_sem;*/
+ struct llu_sb_info *lli_sbi;
+ struct ll_fid lli_fid;
+
+ struct lov_stripe_md *lli_smd;
+ char *lli_symlink_name;
+ struct semaphore lli_open_sem;
+ __u64 lli_maxbytes;
unsigned long lli_flags;
- struct list_head lli_read_extents;
- /* in libsysio we have no chance to store data in file,
- * so place it here */
- struct ll_file_data *lli_file_data;
+ /* for libsysio */
+ struct file_identifier lli_sysio_fid;
+
+ struct lookup_intent *lli_it;
+
+ /* XXX workaround for libsysio */
+ int lli_stale_flag;
+
+ /* in libsysio we have no chance to store data in file,
+ * so place it here. since it's possible that an file
+ * was opened several times without close, we track an
+ * open_count here */
+ struct ll_file_data *lli_file_data;
+ int lli_open_count;
/* stat FIXME not 64 bit clean */
dev_t lli_st_dev;
unsigned long lli_st_generation;
};
+#define LLU_SYSIO_COOKIE_SIZE(x) \
+ (sizeof(struct llu_sysio_cookie) + \
+ sizeof(struct ll_async_page) * (x) + \
+ sizeof(struct page) * (x))
+
+struct llu_sysio_cookie {
+ struct obd_sync_io_container lsc_osic;
+ struct inode *lsc_inode;
+ int lsc_npages;
+ struct ll_async_page *lsc_llap;
+ struct page *lsc_pages;
+ __u64 lsc_rwcount;
+};
+
+/* XXX why uio.h haven't the definition? */
+#define MAX_IOVEC 32
+
+struct llu_sysio_callback_args
+{
+ int ncookies;
+ struct llu_sysio_cookie *cookies[MAX_IOVEC];
+};
+
static inline struct llu_sb_info *llu_fs2sbi(struct filesys *fs)
{
return (struct llu_sb_info*)(fs->fs_private);
return llu_i2info(inode)->lli_sbi;
}
+#if 0
static inline struct client_obd *sbi2mdc(struct llu_sb_info *sbi)
{
struct obd_device *obd = class_conn2obd(&sbi->ll_mdc_conn);
LBUG();
return &obd->u.cli;
}
+#endif
+
+static inline struct obd_export *llu_i2obdexp(struct inode *inode)
+{
+ return llu_i2info(inode)->lli_sbi->ll_osc_exp;
+}
-static inline struct lustre_handle *llu_i2obdconn(struct inode *inode)
+static inline struct obd_export *llu_i2mdcexp(struct inode *inode)
{
- return &(llu_i2info(inode)->lli_sbi->ll_osc_conn);
+ return llu_i2info(inode)->lli_sbi->ll_mdc_exp;
}
+#define LL_SAVE_INTENT(inode, it) \
+do { \
+ struct lookup_intent *temp; \
+ LASSERT(llu_i2info(inode)->lli_it == NULL); \
+ OBD_ALLOC(temp, sizeof(*temp)); \
+ memcpy(temp, it, sizeof(*temp)); \
+ llu_i2info(inode)->lli_it = temp; \
+ CDEBUG(D_DENTRY, "alloc intent %p to inode %p(ino %lu)\n", \
+ temp, inode, llu_i2info(inode)->lli_st_ino); \
+} while(0)
+
+
+#define LL_GET_INTENT(inode, it) \
+do { \
+ it = llu_i2info(inode)->lli_it; \
+ \
+ LASSERT(it); \
+ llu_i2info(inode)->lli_it = NULL; \
+ CDEBUG(D_DENTRY, "dettach intent %p from inode %p(ino %lu)\n", \
+ it, inode, llu_i2info(inode)->lli_st_ino); \
+} while(0)
+
+/* interpet return codes from intent lookup */
+#define LL_LOOKUP_POSITIVE 1
+#define LL_LOOKUP_NEGATIVE 2
+
+static inline void ll_inode2fid(struct ll_fid *fid, struct inode *inode)
+{
+ *fid = llu_i2info(inode)->lli_fid;
+}
+
+struct it_cb_data {
+ struct inode *icbd_parent;
+ struct pnode *icbd_child;
+ obd_id hash;
+};
+
+static inline void ll_i2uctxt(struct ll_uctxt *ctxt, struct inode *i1,
+ struct inode *i2)
+{
+ struct llu_inode_info *lli1 = llu_i2info(i1);
+ struct llu_inode_info *lli2;
+
+ LASSERT(i1);
+ LASSERT(ctxt);
+
+ if (in_group_p(lli1->lli_st_gid))
+ ctxt->gid1 = lli1->lli_st_gid;
+ else
+ ctxt->gid1 = -1;
+
+ if (i2) {
+ lli2 = llu_i2info(i2);
+ if (in_group_p(lli2->lli_st_gid))
+ ctxt->gid2 = lli2->lli_st_gid;
+ else
+ ctxt->gid2 = -1;
+ } else
+ ctxt->gid2 = 0;
+}
+
+
+typedef int (*intent_finish_cb)(struct ptlrpc_request *,
+ struct inode *parent, struct pnode *pnode,
+ struct lookup_intent *, int offset, obd_id ino);
+int llu_intent_lock(struct inode *parent, struct pnode *pnode,
+ struct lookup_intent *, int flags, intent_finish_cb);
+
+/* FIXME */
+static inline int ll_permission(struct inode *inode, int flag, void * unused)
+{
+ return 0;
+}
+
+#if 0
+static inline int it_disposition(struct lookup_intent *it, int flag)
+{
+ return it->d.lustre.it_disposition & flag;
+}
+
+static inline void it_set_disposition(struct lookup_intent *it, int flag)
+{
+ it->d.lustre.it_disposition |= flag;
+}
+#endif
+
+static inline __u64 ll_file_maxbytes(struct inode *inode)
+{
+ return llu_i2info(inode)->lli_maxbytes;
+}
+
struct mount_option_s
{
char *mdc_uuid;
/* llite_lib.c */
void generate_random_uuid(unsigned char uuid_out[16]);
+int liblustre_process_log(struct config_llog_instance *cfg);
+int ll_parse_mount_target(const char *target, char **mdsnid,
+ char **mdsname, char **profile);
+extern int g_zconf;
+extern char *g_zconf_mdsnid;
+extern char *g_zconf_mdsname;
+extern char *g_zconf_profile;
extern struct mount_option_s mount_option;
/* super.c */
struct lov_stripe_md *lmm);
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);
-struct inode* llu_new_inode(struct filesys *fs, ino_t ino, mode_t mode);
+//struct inode* llu_new_inode(struct filesys *fs, ino_t ino, mode_t mode);
+//int llu_inode_getattr(struct inode *inode, struct lov_stripe_md *lsm, void *ostdata);
+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 lov_stripe_md *lsm);
extern struct fssw_ops llu_fssw_ops;
int mode);
int llu_create(struct inode *dir, struct pnode_base *pnode, int mode);
int llu_iop_open(struct pnode *pnode, int flags, mode_t mode);
+int llu_mdc_close(struct obd_export *mdc_exp, struct inode *inode);
int llu_iop_close(struct inode *inode);
-int llu_iop_ipreadv(struct inode *ino,
- struct io_arguments *ioargs,
- struct ioctx **ioctxp);
-int llu_iop_ipwritev(struct inode *ino,
- struct io_arguments *ioargs,
- struct ioctx **ioctxp);
+int llu_iop_ipreadv(struct inode *ino, struct ioctx *ioctxp);
+int llu_iop_ipwritev(struct inode *ino, struct ioctx *ioctxp);
+int llu_vmtruncate(struct inode * inode, loff_t offset);
+void obdo_refresh_inode(struct inode *dst, struct obdo *src, obd_flag valid);
+int llu_objects_destroy(struct ptlrpc_request *request, struct inode *dir);
/* rw.c */
int llu_iop_iodone(struct ioctx *ioctxp __IS_UNUSED);
-ssize_t llu_file_write(struct inode *inode, const struct iovec *iovec,
+struct llu_sysio_callback_args*
+llu_file_write(struct inode *inode, const struct iovec *iovec,
size_t iovlen, loff_t pos);
-ssize_t llu_file_read(struct inode *inode, const struct iovec *iovec,
+struct llu_sysio_callback_args*
+llu_file_read(struct inode *inode, const struct iovec *iovec,
size_t iovlen, loff_t pos);
+int llu_extent_lock_no_validate(struct ll_file_data *fd,
+ struct inode *inode,
+ struct lov_stripe_md *lsm,
+ int mode,
+ struct ldlm_extent *extent,
+ struct lustre_handle *lockh,
+ int ast_flags);
+int llu_extent_lock(struct ll_file_data *fd, struct inode *inode,
+ struct lov_stripe_md *lsm,
+ int mode, struct ldlm_extent *extent,
+ struct lustre_handle *lockh);
+int llu_extent_unlock(struct ll_file_data *fd, struct inode *inode,
+ struct lov_stripe_md *lsm, int mode,
+ struct lustre_handle *lockh);
+
+/* namei.c */
+int llu_iop_lookup(struct pnode *pnode,
+ struct inode **inop,
+ struct intent *intnt,
+ const char *path);
+void unhook_stale_inode(struct pnode *pno);
+struct inode *llu_inode_from_lock(struct ldlm_lock *lock);
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff