diff options
Diffstat (limited to 'fs/afs/internal.h')
| -rw-r--r-- | fs/afs/internal.h | 110 |
1 files changed, 57 insertions, 53 deletions
diff --git a/fs/afs/internal.h b/fs/afs/internal.h index eec41c76de7..71d5982312f 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -18,6 +18,8 @@ #include <linux/key.h> #include <linux/workqueue.h> #include <linux/sched.h> +#include <linux/fscache.h> +#include <linux/backing-dev.h> #include "afs.h" #include "afs_vl.h" @@ -40,6 +42,7 @@ typedef enum { struct afs_mount_params { bool rwpath; /* T if the parent should be considered R/W */ bool force; /* T to force cell type */ + bool autocell; /* T if set auto mount operation */ afs_voltype_t type; /* type of volume requested */ int volnamesz; /* size of volume name */ const char *volname; /* name of volume to mount */ @@ -72,6 +75,7 @@ struct afs_call { const struct afs_call_type *type; /* type of call */ const struct afs_wait_mode *wait_mode; /* completion wait mode */ wait_queue_head_t waitq; /* processes awaiting completion */ + void (*async_workfn)(struct afs_call *call); /* asynchronous work function */ struct work_struct async_work; /* asynchronous work processor */ struct work_struct work; /* actual work processor */ struct sk_buff_head rx_queue; /* received packets */ @@ -106,7 +110,7 @@ struct afs_call { unsigned reply_size; /* current size of reply */ unsigned first_offset; /* offset into mapping[first] */ unsigned last_to; /* amount of mapping[last] */ - unsigned short offset; /* offset into received data store */ + unsigned offset; /* offset into received data store */ unsigned char unmarshall; /* unmarshalling phase */ bool incoming; /* T if incoming call */ bool send_pages; /* T if data from mapping should be sent */ @@ -192,9 +196,8 @@ struct afs_cell { struct list_head link; /* main cell list link */ struct key *anonymous_key; /* anonymous user key for this cell */ struct list_head proc_link; /* /proc cell list link */ - struct proc_dir_entry *proc_dir; /* /proc dir for this cell */ -#ifdef AFS_CACHING_SUPPORT - struct cachefs_cookie *cache; /* caching cookie */ +#ifdef CONFIG_AFS_FSCACHE + struct fscache_cookie *cache; /* caching cookie */ #endif /* server record management */ @@ -249,8 +252,8 @@ struct afs_vlocation { struct list_head grave; /* link in master graveyard list */ struct list_head update; /* link in master update list */ struct afs_cell *cell; /* cell to which volume belongs */ -#ifdef AFS_CACHING_SUPPORT - struct cachefs_cookie *cache; /* caching cookie */ +#ifdef CONFIG_AFS_FSCACHE + struct fscache_cookie *cache; /* caching cookie */ #endif struct afs_cache_vlocation vldb; /* volume information DB record */ struct afs_volume *vols[3]; /* volume access record pointer (index by type) */ @@ -302,8 +305,8 @@ struct afs_volume { atomic_t usage; struct afs_cell *cell; /* cell to which belongs (unrefd ptr) */ struct afs_vlocation *vlocation; /* volume location */ -#ifdef AFS_CACHING_SUPPORT - struct cachefs_cookie *cache; /* caching cookie */ +#ifdef CONFIG_AFS_FSCACHE + struct fscache_cookie *cache; /* caching cookie */ #endif afs_volid_t vid; /* volume ID */ afs_voltype_t type; /* type of volume */ @@ -312,6 +315,7 @@ struct afs_volume { unsigned short rjservers; /* number of servers discarded due to -ENOMEDIUM */ struct afs_server *servers[8]; /* servers on which volume resides (ordered) */ struct rw_semaphore server_sem; /* lock for accessing current server */ + struct backing_dev_info bdi; }; /* @@ -333,8 +337,8 @@ struct afs_vnode { struct afs_server *server; /* server currently supplying this file */ struct afs_fid fid; /* the file identifier for this inode */ struct afs_file_status status; /* AFS status info for this file */ -#ifdef AFS_CACHING_SUPPORT - struct cachefs_cookie *cache; /* caching cookie */ +#ifdef CONFIG_AFS_FSCACHE + struct fscache_cookie *cache; /* caching cookie */ #endif struct afs_permits *permits; /* cache of permits so far obtained */ struct mutex permits_lock; /* lock for altering permits list */ @@ -355,6 +359,8 @@ struct afs_vnode { #define AFS_VNODE_READLOCKED 7 /* set if vnode is read-locked on the server */ #define AFS_VNODE_WRITELOCKED 8 /* set if vnode is write-locked on the server */ #define AFS_VNODE_UNLOCKING 9 /* set if vnode is being unlocked on the server */ +#define AFS_VNODE_AUTOCELL 10 /* set if Vnode is an auto mount point */ +#define AFS_VNODE_PSEUDODIR 11 /* set if Vnode is a pseudo directory */ long acl_order; /* ACL check count (callback break count) */ @@ -428,6 +434,22 @@ struct afs_uuid { /*****************************************************************************/ /* + * cache.c + */ +#ifdef CONFIG_AFS_FSCACHE +extern struct fscache_netfs afs_cache_netfs; +extern struct fscache_cookie_def afs_cell_cache_index_def; +extern struct fscache_cookie_def afs_vlocation_cache_index_def; +extern struct fscache_cookie_def afs_volume_cache_index_def; +extern struct fscache_cookie_def afs_vnode_cache_index_def; +#else +#define afs_cell_cache_index_def (*(struct fscache_cookie_def *) NULL) +#define afs_vlocation_cache_index_def (*(struct fscache_cookie_def *) NULL) +#define afs_volume_cache_index_def (*(struct fscache_cookie_def *) NULL) +#define afs_vnode_cache_index_def (*(struct fscache_cookie_def *) NULL) +#endif + +/* * callback.c */ extern void afs_init_callback_state(struct afs_server *); @@ -446,14 +468,11 @@ extern void afs_callback_update_kill(void); */ extern struct rw_semaphore afs_proc_cells_sem; extern struct list_head afs_proc_cells; -#ifdef AFS_CACHING_SUPPORT -extern struct cachefs_index_def afs_cache_cell_index_def; -#endif #define afs_get_cell(C) do { atomic_inc(&(C)->usage); } while(0) extern int afs_cell_init(char *); -extern struct afs_cell *afs_cell_create(const char *, char *); -extern struct afs_cell *afs_cell_lookup(const char *, unsigned); +extern struct afs_cell *afs_cell_create(const char *, unsigned, char *, bool); +extern struct afs_cell *afs_cell_lookup(const char *, unsigned, bool); extern struct afs_cell *afs_grab_cell(struct afs_cell *); extern void afs_put_cell(struct afs_cell *); extern void afs_cell_purge(void); @@ -467,10 +486,9 @@ extern bool afs_cm_incoming_call(struct afs_call *); * dir.c */ extern const struct inode_operations afs_dir_inode_operations; +extern const struct dentry_operations afs_fs_dentry_operations; extern const struct file_operations afs_dir_file_operations; -extern int afs_permission(struct inode *, int, struct nameidata *); - /* * file.c */ @@ -480,6 +498,7 @@ extern const struct file_operations afs_file_operations; extern int afs_open(struct inode *, struct file *); extern int afs_release(struct inode *, struct file *); +extern int afs_page_filler(void *, struct page *); /* * flock.c @@ -543,6 +562,8 @@ extern int afs_fs_release_lock(struct afs_server *, struct key *, /* * inode.c */ +extern struct inode *afs_iget_autocell(struct inode *, const char *, int, + struct key *); extern struct inode *afs_iget(struct super_block *, struct key *, struct afs_fid *, struct afs_file_status *, struct afs_callback *); @@ -550,15 +571,14 @@ extern void afs_zap_data(struct afs_vnode *); extern int afs_validate(struct afs_vnode *, struct key *); extern int afs_getattr(struct vfsmount *, struct dentry *, struct kstat *); extern int afs_setattr(struct dentry *, struct iattr *); -extern void afs_clear_inode(struct inode *); +extern void afs_evict_inode(struct inode *); +extern int afs_drop_inode(struct inode *); /* * main.c */ +extern struct workqueue_struct *afs_wq; extern struct afs_uuid afs_uuid; -#ifdef AFS_CACHING_SUPPORT -extern struct cachefs_netfs afs_cache_netfs; -#endif /* * misc.c @@ -569,8 +589,10 @@ extern int afs_abort_to_error(u32); * mntpt.c */ extern const struct inode_operations afs_mntpt_inode_operations; +extern const struct inode_operations afs_autocell_inode_operations; extern const struct file_operations afs_mntpt_file_operations; +extern struct vfsmount *afs_d_automount(struct path *); extern int afs_mntpt_check_symlink(struct afs_vnode *, struct key *); extern void afs_mntpt_kill_timer(void); @@ -605,7 +627,7 @@ extern void afs_clear_permits(struct afs_vnode *); extern void afs_cache_permit(struct afs_vnode *, struct key *, long); extern void afs_zap_permits(struct rcu_head *); extern struct key *afs_request_key(struct afs_cell *); -extern int afs_permission(struct inode *, int, struct nameidata *); +extern int afs_permission(struct inode *, int); /* * server.c @@ -639,10 +661,6 @@ extern int afs_get_MAC_address(u8 *, size_t); /* * vlclient.c */ -#ifdef AFS_CACHING_SUPPORT -extern struct cachefs_index_def afs_vlocation_cache_index_def; -#endif - extern int afs_vl_get_entry_by_name(struct in_addr *, struct key *, const char *, struct afs_cache_vlocation *, const struct afs_wait_mode *); @@ -666,12 +684,6 @@ extern void afs_vlocation_purge(void); /* * vnode.c */ -#ifdef AFS_CACHING_SUPPORT -extern struct cachefs_index_def afs_vnode_cache_index_def; -#endif - -extern struct afs_timer_ops afs_vnode_cb_timed_out_ops; - static inline struct afs_vnode *AFS_FS_I(struct inode *inode) { return container_of(inode, struct afs_vnode, vfs_inode); @@ -713,10 +725,6 @@ extern int afs_vnode_release_lock(struct afs_vnode *, struct key *); /* * volume.c */ -#ifdef AFS_CACHING_SUPPORT -extern struct cachefs_index_def afs_volume_cache_index_def; -#endif - #define afs_get_volume(V) do { atomic_inc(&(V)->usage); } while(0) extern void afs_put_volume(struct afs_volume *); @@ -730,16 +738,18 @@ extern int afs_volume_release_fileserver(struct afs_vnode *, */ extern int afs_set_page_dirty(struct page *); extern void afs_put_writeback(struct afs_writeback *); -extern int afs_prepare_write(struct file *, struct page *, unsigned, unsigned); -extern int afs_commit_write(struct file *, struct page *, unsigned, unsigned); +extern int afs_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata); +extern int afs_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata); extern int afs_writepage(struct page *, struct writeback_control *); extern int afs_writepages(struct address_space *, struct writeback_control *); -extern int afs_write_inode(struct inode *, int); extern void afs_pages_written_back(struct afs_vnode *, struct afs_call *); -extern ssize_t afs_file_write(struct kiocb *, const struct iovec *, - unsigned long, loff_t); +extern ssize_t afs_file_write(struct kiocb *, struct iov_iter *); extern int afs_writeback_all(struct afs_vnode *); -extern int afs_fsync(struct file *, struct dentry *, int); +extern int afs_fsync(struct file *, loff_t, loff_t, int); /*****************************************************************************/ @@ -751,14 +761,8 @@ extern unsigned afs_debug; #define dbgprintk(FMT,...) \ printk("[%-6.6s] "FMT"\n", current->comm ,##__VA_ARGS__) -/* make sure we maintain the format strings, even when debugging is disabled */ -static inline __attribute__((format(printf,1,2))) -void _dbprintk(const char *fmt, ...) -{ -} - -#define kenter(FMT,...) dbgprintk("==> %s("FMT")",__FUNCTION__ ,##__VA_ARGS__) -#define kleave(FMT,...) dbgprintk("<== %s()"FMT"",__FUNCTION__ ,##__VA_ARGS__) +#define kenter(FMT,...) dbgprintk("==> %s("FMT")",__func__ ,##__VA_ARGS__) +#define kleave(FMT,...) dbgprintk("<== %s()"FMT"",__func__ ,##__VA_ARGS__) #define kdebug(FMT,...) dbgprintk(" "FMT ,##__VA_ARGS__) @@ -791,9 +795,9 @@ do { \ } while (0) #else -#define _enter(FMT,...) _dbprintk("==> %s("FMT")",__FUNCTION__ ,##__VA_ARGS__) -#define _leave(FMT,...) _dbprintk("<== %s()"FMT"",__FUNCTION__ ,##__VA_ARGS__) -#define _debug(FMT,...) _dbprintk(" "FMT ,##__VA_ARGS__) +#define _enter(FMT,...) no_printk("==> %s("FMT")",__func__ ,##__VA_ARGS__) +#define _leave(FMT,...) no_printk("<== %s()"FMT"",__func__ ,##__VA_ARGS__) +#define _debug(FMT,...) no_printk(" "FMT ,##__VA_ARGS__) #endif /* |
