diff options
Diffstat (limited to 'fs/afs/internal.h')
| -rw-r--r-- | fs/afs/internal.h | 54 |
1 files changed, 46 insertions, 8 deletions
diff --git a/fs/afs/internal.h b/fs/afs/internal.h index 6120d4bd19e..73bfa0b2d99 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -80,6 +80,7 @@ struct afs_call { void *reply; /* reply buffer (first part) */ void *reply2; /* reply buffer (second part) */ void *reply3; /* reply buffer (third part) */ + void *reply4; /* reply buffer (fourth part) */ enum { /* call state */ AFS_CALL_REQUESTING, /* request is being sent for outgoing call */ AFS_CALL_AWAIT_REPLY, /* awaiting reply to outgoing call */ @@ -300,19 +301,18 @@ struct afs_vnode { #endif struct afs_permits *permits; /* cache of permits so far obtained */ struct mutex permits_lock; /* lock for altering permits list */ + struct mutex validate_lock; /* lock for validating this vnode */ wait_queue_head_t update_waitq; /* status fetch waitqueue */ - unsigned update_cnt; /* number of outstanding ops that will update the + int update_cnt; /* number of outstanding ops that will update the * status */ spinlock_t lock; /* waitqueue/flags lock */ unsigned long flags; #define AFS_VNODE_CB_BROKEN 0 /* set if vnode's callback was broken */ -#define AFS_VNODE_CHANGED 1 /* set if vnode's metadata changed */ +#define AFS_VNODE_UNSET 1 /* set if vnode attributes not yet set */ #define AFS_VNODE_MODIFIED 2 /* set if vnode's data modified */ #define AFS_VNODE_ZAP_DATA 3 /* set if vnode's data should be invalidated */ #define AFS_VNODE_DELETED 4 /* set if vnode deleted on server */ #define AFS_VNODE_MOUNTPOINT 5 /* set if vnode is a mountpoint symlink */ -#define AFS_VNODE_DIR_CHANGED 6 /* set if vnode's parent dir metadata changed */ -#define AFS_VNODE_DIR_MODIFIED 7 /* set if vnode's parent dir data modified */ long acl_order; /* ACL check count (callback break count) */ @@ -320,7 +320,6 @@ struct afs_vnode { struct rb_node server_rb; /* link in server->fs_vnodes */ struct rb_node cb_promise; /* link in server->cb_promises */ struct work_struct cb_broken_work; /* work to be done on callback break */ - struct mutex cb_broken_lock; /* lock against multiple attempts to fix break */ time_t cb_expires; /* time at which callback expires */ time_t cb_expires_at; /* time used to order cb_promise */ unsigned cb_version; /* callback version */ @@ -388,6 +387,7 @@ extern void afs_init_callback_state(struct afs_server *); extern void afs_broken_callback_work(struct work_struct *); extern void afs_break_callbacks(struct afs_server *, size_t, struct afs_callback[]); +extern void afs_discard_callback_on_delete(struct afs_vnode *); extern void afs_give_up_callback(struct afs_vnode *); extern void afs_dispatch_give_up_callbacks(struct work_struct *); extern void afs_flush_callback_breaks(struct afs_server *); @@ -448,14 +448,34 @@ extern int afs_fs_give_up_callbacks(struct afs_server *, const struct afs_wait_mode *); extern int afs_fs_fetch_data(struct afs_server *, struct key *, struct afs_vnode *, off_t, size_t, struct page *, - struct afs_volsync *, const struct afs_wait_mode *); +extern int afs_fs_create(struct afs_server *, struct key *, + struct afs_vnode *, const char *, umode_t, + struct afs_fid *, struct afs_file_status *, + struct afs_callback *, + const struct afs_wait_mode *); +extern int afs_fs_remove(struct afs_server *, struct key *, + struct afs_vnode *, const char *, bool, + const struct afs_wait_mode *); +extern int afs_fs_link(struct afs_server *, struct key *, struct afs_vnode *, + struct afs_vnode *, const char *, + const struct afs_wait_mode *); +extern int afs_fs_symlink(struct afs_server *, struct key *, + struct afs_vnode *, const char *, const char *, + struct afs_fid *, struct afs_file_status *, + const struct afs_wait_mode *); +extern int afs_fs_rename(struct afs_server *, struct key *, + struct afs_vnode *, const char *, + struct afs_vnode *, const char *, + const struct afs_wait_mode *); /* * inode.c */ extern struct inode *afs_iget(struct super_block *, struct key *, - struct afs_fid *); + struct afs_fid *, struct afs_file_status *, + struct afs_callback *); +extern int afs_validate(struct afs_vnode *, struct key *); extern int afs_inode_getattr(struct vfsmount *, struct dentry *, struct kstat *); extern void afs_zap_permits(struct rcu_head *); @@ -522,7 +542,11 @@ extern int afs_permission(struct inode *, int, struct nameidata *); */ extern spinlock_t afs_server_peer_lock; -#define afs_get_server(S) do { atomic_inc(&(S)->usage); } while(0) +#define afs_get_server(S) \ +do { \ + _debug("GET SERVER %d", atomic_read(&(S)->usage)); \ + atomic_inc(&(S)->usage); \ +} while(0) extern struct afs_server *afs_lookup_server(struct afs_cell *, const struct in_addr *); @@ -588,10 +612,24 @@ static inline struct inode *AFS_VNODE_TO_I(struct afs_vnode *vnode) return &vnode->vfs_inode; } +extern void afs_vnode_finalise_status_update(struct afs_vnode *, + struct afs_server *); extern int afs_vnode_fetch_status(struct afs_vnode *, struct afs_vnode *, struct key *); extern int afs_vnode_fetch_data(struct afs_vnode *, struct key *, off_t, size_t, struct page *); +extern int afs_vnode_create(struct afs_vnode *, struct key *, const char *, + umode_t, struct afs_fid *, struct afs_file_status *, + struct afs_callback *, struct afs_server **); +extern int afs_vnode_remove(struct afs_vnode *, struct key *, const char *, + bool); +extern int afs_vnode_link(struct afs_vnode *, struct afs_vnode *, struct key *, + const char *); +extern int afs_vnode_symlink(struct afs_vnode *, struct key *, const char *, + const char *, struct afs_fid *, + struct afs_file_status *, struct afs_server **); +extern int afs_vnode_rename(struct afs_vnode *, struct afs_vnode *, + struct key *, const char *, const char *); /* * volume.c |