+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * Lustre Light Super operations
+ *
+ * Copyright (c) 2002, 2003 Cluster File Systems, Inc.
+ *
+ * This file is part of Lustre, http://www.lustre.org.
+ *
+ * Lustre is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * Lustre is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Lustre; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
#ifndef __LLU_H_
#define __LLU_H_
struct llu_sb_info
{
struct obd_uuid ll_sb_uuid;
- struct obd_export *ll_mdc_exp;
+ struct obd_export *ll_mdc_exp;
struct obd_export *ll_osc_exp;
obd_id ll_rootino;
int ll_flags;
char *ll_instance;
};
+#define LL_SBI_NOLCK 0x1
+#define LL_SBI_READAHEAD 0x2
+
#define LLI_F_HAVE_OST_SIZE_LOCK 0
#define LLI_F_HAVE_MDS_SIZE_LOCK 1
#define LLI_F_PREFER_EXTENDED_SIZE 2
struct lov_stripe_md *lli_smd;
char *lli_symlink_name;
struct semaphore lli_open_sem;
- __u64 lli_maxbytes;
+ __u64 lli_maxbytes;
unsigned long lli_flags;
/* for libsysio */
struct lookup_intent *lli_it;
- /* XXX workaround for libsysio */
+ /* XXX workaround for libsysio unlink */
int lli_stale_flag;
+ /* XXX workaround for libsysio readdir */
+ loff_t lli_dir_pos;
/* in libsysio we have no chance to store data in file,
* so place it here. since it's possible that an file
struct ll_file_data *lli_file_data;
int lli_open_count;
- /* stat FIXME not 64 bit clean */
- dev_t lli_st_dev;
- ino_t lli_st_ino;
- mode_t lli_st_mode;
- nlink_t lli_st_nlink;
- uid_t lli_st_uid;
- gid_t lli_st_gid;
- dev_t lli_st_rdev;
- loff_t lli_st_size;
- unsigned int lli_st_blksize;
- unsigned int lli_st_blocks;
- time_t lli_st_atime;
- time_t lli_st_mtime;
- time_t lli_st_ctime;
-
- /* not for stat, change it later */
- int lli_st_flags;
- unsigned long lli_st_generation;
+ /* stat FIXME not 64 bit clean */
+ dev_t lli_st_dev;
+ ino_t lli_st_ino;
+ mode_t lli_st_mode;
+ nlink_t lli_st_nlink;
+ uid_t lli_st_uid;
+ gid_t lli_st_gid;
+ dev_t lli_st_rdev;
+ loff_t lli_st_size;
+ unsigned int lli_st_blksize;
+ unsigned int lli_st_blocks;
+ time_t lli_st_atime;
+ time_t lli_st_mtime;
+ time_t lli_st_ctime;
+
+ /* not for stat, change it later */
+ int lli_st_flags;
+ unsigned long lli_st_generation;
};
#define LLU_SYSIO_COOKIE_SIZE(x) \
struct llu_sysio_cookie {
struct obd_sync_io_container *lsc_osic;
- struct inode *lsc_inode;
- int lsc_npages;
+ struct inode *lsc_inode;
+ int lsc_maxpages;
+ int lsc_npages;
struct ll_async_page *lsc_llap;
struct page *lsc_pages;
__u64 lsc_rwcount;
struct llu_sysio_callback_args
{
- int ncookies;
- struct llu_sysio_cookie *cookies[MAX_IOVEC];
+ 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 (struct llu_sb_info*)(fs->fs_private);
}
static inline struct llu_inode_info *llu_i2info(struct inode *inode)
{
- return (struct llu_inode_info*)(inode->i_private);
+ return (struct llu_inode_info*)(inode->i_private);
}
static inline struct llu_sb_info *llu_i2sbi(struct inode *inode)
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);
- if (obd == NULL)
- 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;
return llu_i2info(inode)->lli_sbi->ll_mdc_exp;
}
+static inline int llu_is_root_inode(struct inode *inode)
+{
+ return (llu_i2info(inode)->lli_fid.id ==
+ llu_i2info(inode)->lli_sbi->ll_rootino);
+}
#define LL_SAVE_INTENT(inode, it) \
do { \
- struct lookup_intent *temp; \
+ 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); \
+ temp, inode, llu_i2info(inode)->lli_st_ino); \
} while(0)
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); \
+ it, inode, llu_i2info(inode)->lli_st_ino); \
} while(0)
/* interpet return codes from intent lookup */
static inline void ll_inode2fid(struct ll_fid *fid, struct inode *inode)
{
- *fid = llu_i2info(inode)->lli_fid;
+ *fid = llu_i2info(inode)->lli_fid;
}
struct it_cb_data {
- struct inode *icbd_parent;
- struct pnode *icbd_child;
- obd_id hash;
+ 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;
+ struct llu_inode_info *lli1 = llu_i2info(i1);
+ struct llu_inode_info *lli2;
LASSERT(i1);
LASSERT(ctxt);
ctxt->gid1 = -1;
if (i2) {
- lli2 = llu_i2info(i2);
+ lli2 = llu_i2info(i2);
if (in_group_p(lli2->lli_st_gid))
ctxt->gid2 = lli2->lli_st_gid;
else
/* 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;
+ return 0;
}
-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;
- char *osc_uuid;
+ char *mdc_uuid;
+ char *osc_uuid;
};
/* llite_lib.c */
void generate_random_uuid(unsigned char uuid_out[16]);
-int liblustre_process_log(struct config_llog_instance *cfg);
+int liblustre_process_log(struct config_llog_instance *cfg, int allow_recov);
int ll_parse_mount_target(const char *target, char **mdsnid,
char **mdsname, char **profile);
-extern int g_zconf;
+extern int g_zconf;
extern char *g_zconf_mdsnid;
extern char *g_zconf_mdsname;
extern char *g_zconf_profile;
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);
-//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);
int llu_iop_iodone(struct ioctx *ioctxp __IS_UNUSED);
struct llu_sysio_callback_args*
llu_file_write(struct inode *inode, const struct iovec *iovec,
- size_t iovlen, loff_t pos);
+ size_t iovlen, loff_t pos);
struct llu_sysio_callback_args*
llu_file_read(struct inode *inode, const struct iovec *iovec,
size_t iovlen, loff_t pos);
const char *path);
void unhook_stale_inode(struct pnode *pno);
struct inode *llu_inode_from_lock(struct ldlm_lock *lock);
+int llu_mdc_blocking_ast(struct ldlm_lock *lock,
+ struct ldlm_lock_desc *desc,
+ void *data, int flag);
+
+/* dir.c */
+ssize_t llu_iop_getdirentries(struct inode *ino, char *buf, size_t nbytes,
+ _SYSIO_OFF_T *basep);
+
+/* ext2 related */
+#define EXT2_NAME_LEN (255)
+
+struct ext2_dirent {
+ __u32 inode;
+ __u16 rec_len;
+ __u8 name_len;
+ __u8 file_type;
+ char name[EXT2_NAME_LEN];
+};
+
+#define EXT2_DIR_PAD 4
+#define EXT2_DIR_ROUND (EXT2_DIR_PAD - 1)
+#define EXT2_DIR_REC_LEN(name_len) (((name_len) + 8 + EXT2_DIR_ROUND) & \
+ ~EXT2_DIR_ROUND)
+
+static inline struct ext2_dirent *ext2_next_entry(struct ext2_dirent *p)
+{
+ return (struct ext2_dirent*)((char*) p + le16_to_cpu(p->rec_len));
+}
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff