* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
#endif
#ifndef DCACHE_LUSTRE_INVALID
-#define DCACHE_LUSTRE_INVALID 0x100
+#define DCACHE_LUSTRE_INVALID 0x4000000
#endif
#define LL_IT2STR(it) ((it) ? ldlm_it2str((it)->it_op) : "0")
#define LUSTRE_FPRIVATE(file) ((file)->private_data)
-#ifdef HAVE_VFS_INTENT_PATCHES
-static inline struct lookup_intent *ll_nd2it(struct nameidata *nd)
-{
- return &nd->intent;
-}
-#endif
-
struct ll_dentry_data {
int lld_cwd_count;
int lld_mnt_count;
struct obd_client_handle lld_cwd_och;
struct obd_client_handle lld_mnt_och;
-#ifndef HAVE_VFS_INTENT_PATCHES
struct lookup_intent *lld_it;
-#endif
unsigned int lld_sa_generation;
};
/* llite setxid/access permission for user on remote client */
struct ll_remote_perm {
- struct hlist_node lrp_list;
+ cfs_hlist_node_t lrp_list;
uid_t lrp_uid;
gid_t lrp_gid;
uid_t lrp_fsuid;
struct ll_inode_info {
int lli_inode_magic;
- struct semaphore lli_size_sem; /* protect open and change size */
+ cfs_semaphore_t lli_size_sem; /* protect open and change size */
void *lli_size_sem_owner;
- struct semaphore lli_write_sem;
- struct semaphore lli_trunc_sem;
+ cfs_semaphore_t lli_write_sem;
+ cfs_rw_semaphore_t lli_trunc_sem;
char *lli_symlink_name;
__u64 lli_maxbytes;
__u64 lli_ioepoch;
cfs_time_t lli_contention_time;
/* this lock protects posix_acl, pending_write_llaps, mmap_cnt */
- spinlock_t lli_lock;
- struct list_head lli_close_list;
+ cfs_spinlock_t lli_lock;
+ cfs_list_t lli_close_list;
/* handle is to be sent to MDS later on done_writing and setattr.
* Open handle data are needed for the recovery to reconstruct
* the inode state on the MDS. XXX: recovery is not ready yet. */
/* for writepage() only to communicate to fsync */
int lli_async_rc;
+ int lli_write_rc;
struct posix_acl *lli_posix_acl;
/* remote permission hash */
- struct hlist_head *lli_remote_perms;
+ cfs_hlist_head_t *lli_remote_perms;
unsigned long lli_rmtperm_utime;
- struct semaphore lli_rmtperm_sem;
+ cfs_semaphore_t lli_rmtperm_sem;
- struct list_head lli_dead_list;
+ cfs_list_t lli_dead_list;
- struct semaphore lli_och_sem; /* Protects access to och pointers
- and their usage counters */
+ cfs_semaphore_t lli_och_sem; /* Protects access to och pointers
+ and their usage counters, also
+ atomicity of check-update of
+ lli_smd */
/* We need all three because every inode may be opened in different
modes */
struct obd_client_handle *lli_mds_read_och;
/* fid capability */
/* open count currently used by capability only, indicate whether
* capability needs renewal */
- atomic_t lli_open_count;
+ cfs_atomic_t lli_open_count;
struct obd_capa *lli_mds_capa;
- struct list_head lli_oss_capas;
+ cfs_list_t lli_oss_capas;
- /* metadata stat-ahead */
+ /* metadata statahead */
+ /* protect statahead stuff: lli_opendir_pid, lli_opendir_key, lli_sai,
+ * and so on. */
+ cfs_spinlock_t lli_sa_lock;
/*
* "opendir_pid" is the token when lookup/revalid -- I am the owner of
* dir statahead.
* before child -- it is me should cleanup the dir readahead. */
void *lli_opendir_key;
struct ll_statahead_info *lli_sai;
+ __u64 lli_sa_pos;
struct cl_object *lli_clob;
+ /* the most recent timestamps obtained from mds */
+ struct ost_lvb lli_lvb;
+ /**
+ * serialize normal readdir and statahead-readdir
+ */
+ cfs_semaphore_t lli_readdir_sem;
};
/*
};
struct ll_ra_info {
- atomic_t ra_cur_pages;
+ cfs_atomic_t ra_cur_pages;
unsigned long ra_max_pages;
unsigned long ra_max_pages_per_file;
unsigned long ra_max_read_ahead_whole_pages;
#define LL_SBI_LOCALFLOCK 0x200 /* Local flocks support by kernel */
#define LL_SBI_LRU_RESIZE 0x400 /* lru resize support */
#define LL_SBI_LAZYSTATFS 0x800 /* lazystatfs mount option */
+#define LL_SBI_SOM_PREVIEW 0x1000 /* SOM preview mount option */
+#define LL_SBI_32BIT_API 0x2000 /* generate 32 bit inodes. */
/* default value for ll_sb_info->contention_time */
#define SBI_DEFAULT_CONTENTION_SECONDS 60
#define RCE_HASHES 32
struct rmtacl_ctl_entry {
- struct list_head rce_list;
+ cfs_list_t rce_list;
pid_t rce_key; /* hash key */
int rce_ops; /* acl operation type */
};
struct rmtacl_ctl_table {
- spinlock_t rct_lock;
- struct list_head rct_entries[RCE_HASHES];
+ cfs_spinlock_t rct_lock;
+ cfs_list_t rct_entries[RCE_HASHES];
};
#define EE_HASHES 32
struct eacl_entry {
- struct list_head ee_list;
+ cfs_list_t ee_list;
pid_t ee_key; /* hash key */
struct lu_fid ee_fid;
int ee_type; /* ACL type for ACCESS or DEFAULT */
};
struct eacl_table {
- spinlock_t et_lock;
- struct list_head et_entries[EE_HASHES];
+ cfs_spinlock_t et_lock;
+ cfs_list_t et_entries[EE_HASHES];
};
struct ll_sb_info {
- struct list_head ll_list;
+ cfs_list_t ll_list;
/* this protects pglist and ra_info. It isn't safe to
* grab from interrupt contexts */
- spinlock_t ll_lock;
- spinlock_t ll_pp_extent_lock; /* Lock for pp_extent entries */
- spinlock_t ll_process_lock; /* Lock for ll_rw_process_info */
+ cfs_spinlock_t ll_lock;
+ cfs_spinlock_t ll_pp_extent_lock; /* Lock for pp_extent entries */
+ cfs_spinlock_t ll_process_lock; /* Lock for ll_rw_process_info */
struct obd_uuid ll_sb_uuid;
struct obd_export *ll_md_exp;
struct obd_export *ll_dt_exp;
struct lu_fid ll_root_fid; /* root object fid */
int ll_flags;
- struct list_head ll_conn_chain; /* per-conn chain of SBs */
+ cfs_list_t ll_conn_chain; /* per-conn chain of SBs */
struct lustre_client_ocd ll_lco;
- struct list_head ll_orphan_dentry_list; /*please don't ask -p*/
+ cfs_list_t ll_orphan_dentry_list; /*please don't ask -p*/
struct ll_close_queue *ll_lcq;
struct lprocfs_stats *ll_stats; /* lprocfs stats counter */
unsigned int ll_namelen;
struct file_operations *ll_fop;
-#ifdef HAVE_EXPORT___IGET
- struct list_head ll_deathrow; /* inodes to be destroyed (b1443) */
- spinlock_t ll_deathrow_lock;
-#endif
/* =0 - hold lock over whole read/write
* >0 - max. chunk to be read/written w/o lock re-acquiring */
unsigned long ll_max_rw_chunk;
pgoff_t lrr_start;
pgoff_t lrr_count;
struct task_struct *lrr_reader;
- struct list_head lrr_linkage;
+ cfs_list_t lrr_linkage;
};
/*
* per file-descriptor read-ahead data.
*/
struct ll_readahead_state {
- spinlock_t ras_lock;
+ cfs_spinlock_t ras_lock;
/*
* index of the last page that read(2) needed and that wasn't in the
* cache. Used by ras_update() to detect seeks.
* progress against this file descriptor. Used by read-ahead code,
* protected by ->ras_lock.
*/
- struct list_head ras_read_beads;
+ cfs_list_t ras_read_beads;
/*
* The following 3 items are used for detecting the stride I/O
* mode.
* ras_stride_pages = stride_pages;
* Note: all these three items are counted by pages.
*/
- unsigned long ras_stride_length;
- unsigned long ras_stride_pages;
- pgoff_t ras_stride_offset;
+ unsigned long ras_stride_length;
+ unsigned long ras_stride_pages;
+ pgoff_t ras_stride_offset;
/*
* number of consecutive stride request count, and it is similar as
* ras_consecutive_requests, but used for stride I/O mode.
* Note: only more than 2 consecutive stride request are detected,
* stride read-ahead will be enable
*/
- unsigned long ras_consecutive_stride_requests;
+ unsigned long ras_consecutive_stride_requests;
};
struct ll_file_dir {
+ __u64 lfd_pos;
+ __u64 lfd_next;
};
extern cfs_mem_cache_t *ll_file_data_slab;
struct lov_stripe_md;
-extern spinlock_t inode_lock;
+extern cfs_spinlock_t inode_lock;
extern struct proc_dir_entry *proc_lustre_fs_root;
}
struct it_cb_data {
- struct inode *icbd_parent;
+ struct inode *icbd_parent;
struct dentry **icbd_childp;
- obd_id hash;
+ obd_id hash;
};
__u32 ll_i2suppgid(struct inode *i);
void ll_i2gids(__u32 *suppgids, struct inode *i1,struct inode *i2);
+static inline int ll_need_32bit_api(struct ll_sb_info *sbi)
+{
+#if BITS_PER_LONG == 32
+ return 1;
+#else
+ return unlikely(cfs_curproc_is_32bit() || (sbi->ll_flags & LL_SBI_32BIT_API));
+#endif
+}
+
#define LLAP_MAGIC 98764321
extern cfs_mem_cache_t *ll_async_page_slab;
extern struct file_operations ll_dir_operations;
extern struct inode_operations ll_dir_inode_operations;
-struct page *ll_get_dir_page(struct inode *dir, __u64 hash, int exact,
- struct ll_dir_chain *chain);
+struct page *ll_get_dir_page(struct file *filp, struct inode *dir, __u64 hash,
+ int exact, struct ll_dir_chain *chain);
+
+int ll_get_mdt_idx(struct inode *inode);
/* llite/namei.c */
int ll_objects_destroy(struct ptlrpc_request *request,
struct inode *dir);
struct lustre_md *lic);
int ll_md_blocking_ast(struct ldlm_lock *, struct ldlm_lock_desc *,
void *data, int flag);
-#ifndef HAVE_VFS_INTENT_PATCHES
struct lookup_intent *ll_convert_intent(struct open_intent *oit,
int lookup_flags);
-#endif
int ll_lookup_it_finish(struct ptlrpc_request *request,
struct lookup_intent *it, void *data);
extern struct file_operations ll_file_operations_flock;
extern struct file_operations ll_file_operations_noflock;
extern struct inode_operations ll_file_inode_operations;
-extern int ll_inode_revalidate_it(struct dentry *, struct lookup_intent *);
-extern int ll_have_md_lock(struct inode *inode, __u64 bits);
+extern int ll_inode_revalidate_it(struct dentry *, struct lookup_intent *,
+ __u64);
+extern int ll_have_md_lock(struct inode *inode, __u64 bits, ldlm_mode_t l_req_mode);
extern ldlm_mode_t ll_take_md_lock(struct inode *inode, __u64 bits,
struct lustre_handle *lockh);
int __ll_inode_revalidate_it(struct dentry *, struct lookup_intent *, __u64 bits);
void ll_ioepoch_close(struct inode *inode, struct md_op_data *op_data,
struct obd_client_handle **och, unsigned long flags);
void ll_done_writing_attr(struct inode *inode, struct md_op_data *op_data);
-int ll_sizeonmds_update(struct inode *inode, struct lustre_handle *fh,
- __u64 ioepoch);
-int ll_inode_getattr(struct inode *inode, struct obdo *obdo);
+int ll_som_update(struct inode *inode, struct md_op_data *op_data);
+int ll_inode_getattr(struct inode *inode, struct obdo *obdo,
+ __u64 ioepoch, int sync);
int ll_md_setattr(struct inode *inode, struct md_op_data *op_data,
struct md_open_data **mod);
void ll_pack_inode2opdata(struct inode *inode, struct md_op_data *op_data,
/**
* protect race ll_find_aliases vs ll_revalidate_it vs ll_unhash_aliases
*/
+int ll_dops_init(struct dentry *de, int block);
+extern cfs_spinlock_t ll_lookup_lock;
extern struct dentry_operations ll_d_ops;
void ll_intent_drop_lock(struct lookup_intent *);
void ll_intent_release(struct lookup_intent *);
int ll_drop_dentry(struct dentry *dentry);
-extern void ll_set_dd(struct dentry *de);
int ll_drop_dentry(struct dentry *dentry);
void ll_unhash_aliases(struct inode *);
void ll_frob_intent(struct lookup_intent **itp, struct lookup_intent *deft);
-void ll_finish_locks(struct lookup_intent *it, struct dentry *dentry);
+void ll_lookup_finish_locks(struct lookup_intent *it, struct dentry *dentry);
int ll_dcompare(struct dentry *parent, struct qstr *d_name, struct qstr *name);
int ll_revalidate_it_finish(struct ptlrpc_request *request,
struct lookup_intent *it, struct dentry *de);
int ll_fill_super(struct super_block *sb);
void ll_put_super(struct super_block *sb);
void ll_kill_super(struct super_block *sb);
-int ll_shrink_cache(int nr_to_scan, gfp_t gfp_mask);
struct inode *ll_inode_from_lock(struct ldlm_lock *lock);
void ll_clear_inode(struct inode *inode);
int ll_setattr_raw(struct inode *inode, struct iattr *attr);
/* llite/llite_close.c */
struct ll_close_queue {
- spinlock_t lcq_lock;
- struct list_head lcq_head;
- wait_queue_head_t lcq_waitq;
- struct completion lcq_comp;
- atomic_t lcq_stop;
+ cfs_spinlock_t lcq_lock;
+ cfs_list_t lcq_head;
+ cfs_waitq_t lcq_waitq;
+ cfs_completion_t lcq_comp;
+ cfs_atomic_t lcq_stop;
};
struct ccc_object *cl_inode2ccc(struct inode *inode);
struct ll_lock_tree_node;
struct ll_lock_tree {
rb_root_t lt_root;
- struct list_head lt_locked_list;
- struct ll_file_data *lt_fd;
+ cfs_list_t lt_locked_list;
+ struct ll_file_data *lt_fd;
};
int ll_teardown_mmaps(struct address_space *mapping, __u64 first, __u64 last);
#define ll_s2sbi(sb) (s2lsi(sb)->lsi_llsbi)
-static inline __u64 ll_ts2u64(struct timespec *time)
-{
- __u64 t = time->tv_sec;
- return t;
-}
-
/* don't need an addref as the sb_info should be holding one */
static inline struct obd_export *ll_s2dtexp(struct super_block *sb)
{
extern cfs_mem_cache_t *ll_remote_perm_cachep;
extern cfs_mem_cache_t *ll_rmtperm_hash_cachep;
-struct hlist_head *alloc_rmtperm_hash(void);
-void free_rmtperm_hash(struct hlist_head *hash);
+cfs_hlist_head_t *alloc_rmtperm_hash(void);
+void free_rmtperm_hash(cfs_hlist_head_t *hash);
int ll_update_remote_perm(struct inode *inode, struct mdt_remote_perm *perm);
int lustre_check_remote_perm(struct inode *inode, int mask);
struct ll_statahead_info {
struct inode *sai_inode;
unsigned int sai_generation; /* generation for statahead */
- atomic_t sai_refcount; /* when access this struct, hold
+ cfs_atomic_t sai_refcount; /* when access this struct, hold
* refcount */
unsigned int sai_sent; /* stat requests sent count */
unsigned int sai_replied; /* stat requests which received
* hidden entries */
cfs_waitq_t sai_waitq; /* stat-ahead wait queue */
struct ptlrpc_thread sai_thread; /* stat-ahead thread */
- struct list_head sai_entries_sent; /* entries sent out */
- struct list_head sai_entries_received; /* entries returned */
- struct list_head sai_entries_stated; /* entries stated */
+ cfs_list_t sai_entries_sent; /* entries sent out */
+ cfs_list_t sai_entries_received; /* entries returned */
+ cfs_list_t sai_entries_stated; /* entries stated */
+ pid_t sai_pid; /* pid of statahead itself */
};
int do_statahead_enter(struct inode *dir, struct dentry **dentry, int lookup);
void ll_statahead_exit(struct inode *dir, struct dentry *dentry, int result);
-void ll_stop_statahead(struct inode *inode, void *key);
+void ll_stop_statahead(struct inode *dir, void *key);
static inline
void ll_statahead_mark(struct inode *dir, struct dentry *dentry)
if (lli->lli_opendir_pid != cfs_curproc_pid())
return;
- spin_lock(&lli->lli_lock);
+ cfs_spin_lock(&lli->lli_sa_lock);
if (likely(lli->lli_sai != NULL && ldd != NULL))
ldd->lld_sa_generation = lli->lli_sai->sai_generation;
- spin_unlock(&lli->lli_lock);
+ cfs_spin_unlock(&lli->lli_sa_lock);
}
static inline
return do_statahead_enter(dir, dentryp, lookup);
}
-static void inline ll_dops_init(struct dentry *de, int block)
-{
- struct ll_dentry_data *lld = ll_d2d(de);
-
- if (lld == NULL && block != 0) {
- ll_set_dd(de);
- lld = ll_d2d(de);
- }
-
- if (lld != NULL)
- lld->lld_sa_generation = 0;
-
- de->d_op = &ll_d_ops;
-}
-
/* llite ioctl register support rountine */
#ifdef __KERNEL__
enum llioc_iter {
#define cl_i2info(info) ll_i2info(info)
#define cl_inode_mode(inode) ((inode)->i_mode)
#define cl_i2sbi ll_i2sbi
-#define cl_isize_read(inode) i_size_read(inode)
-#define cl_isize_write(inode,kms) i_size_write(inode, kms)
-#define cl_isize_write_nolock(inode,kms) do {(inode)->i_size=(kms);}while(0)
static inline void cl_isize_lock(struct inode *inode, int lsmlock)
{
ll_inode_size_unlock(inode, lsmlock);
}
+static inline void cl_isize_write_nolock(struct inode *inode, loff_t kms)
+{
+ LASSERT_SEM_LOCKED(&ll_i2info(inode)->lli_size_sem);
+ i_size_write(inode, kms);
+}
+
+static inline void cl_isize_write(struct inode *inode, loff_t kms)
+{
+ ll_inode_size_lock(inode, 0);
+ i_size_write(inode, kms);
+ ll_inode_size_unlock(inode, 0);
+}
+
+#define cl_isize_read(inode) i_size_read(inode)
+
static inline int cl_merge_lvb(struct inode *inode)
{
return ll_merge_lvb(inode);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff