diff options
Diffstat (limited to 'fs/afs/internal.h')
| -rw-r--r-- | fs/afs/internal.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/fs/afs/internal.h b/fs/afs/internal.h index 5ed416f4ff33..9357c53faa69 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -390,6 +390,9 @@ struct afs_cell { /* Active fileserver interaction state. */ struct rb_root fs_servers; /* afs_server (by server UUID) */ seqlock_t fs_lock; /* For fs_servers */ + struct rw_semaphore fs_open_mmaps_lock; + struct list_head fs_open_mmaps; /* List of vnodes that are mmapped */ + atomic_t fs_s_break; /* Counter of CB.InitCallBackState messages */ /* VL server list. */ rwlock_t vl_servers_lock; /* Lock on vl_servers */ @@ -503,6 +506,7 @@ struct afs_server { struct hlist_node addr4_link; /* Link in net->fs_addresses4 */ struct hlist_node addr6_link; /* Link in net->fs_addresses6 */ struct hlist_node proc_link; /* Link in net->fs_proc */ + struct work_struct initcb_work; /* Work for CB.InitCallBackState* */ struct afs_server *gc_next; /* Next server in manager's list */ time64_t unuse_time; /* Time at which last unused */ unsigned long flags; @@ -516,6 +520,7 @@ struct afs_server { #define AFS_SERVER_FL_IS_YFS 16 /* Server is YFS not AFS */ #define AFS_SERVER_FL_NO_IBULK 17 /* Fileserver doesn't support FS.InlineBulkStatus */ #define AFS_SERVER_FL_NO_RM2 18 /* Fileserver doesn't support YFS.RemoveFile2 */ +#define AFS_SERVER_FL_HAS_FS64 19 /* Fileserver supports FS.{Fetch,Store}Data64 */ atomic_t ref; /* Object refcount */ atomic_t active; /* Active user count */ u32 addr_version; /* Address list version */ @@ -657,7 +662,11 @@ struct afs_vnode { afs_lock_type_t lock_type : 8; /* outstanding callback notification on this file */ + struct work_struct cb_work; /* Work for mmap'd files */ + struct list_head cb_mmap_link; /* Link in cell->fs_open_mmaps */ void *cb_server; /* Server with callback/filelock */ + atomic_t cb_nr_mmap; /* Number of mmaps */ + unsigned int cb_fs_s_break; /* Mass server break counter (cell->fs_s_break) */ unsigned int cb_s_break; /* Mass break counter on ->server */ unsigned int cb_v_break; /* Mass break counter on ->volume */ unsigned int cb_break; /* Break counter on vnode */ @@ -965,6 +974,8 @@ extern struct fscache_cookie_def afs_vnode_cache_index_def; /* * callback.c */ +extern void afs_invalidate_mmap_work(struct work_struct *); +extern void afs_server_init_callback_work(struct work_struct *work); extern void afs_init_callback_state(struct afs_server *); extern void __afs_break_callback(struct afs_vnode *, enum afs_cb_break_reason); extern void afs_break_callback(struct afs_vnode *, enum afs_cb_break_reason); @@ -1044,7 +1055,8 @@ extern void afs_dynroot_depopulate(struct super_block *); /* * file.c */ -extern const struct address_space_operations afs_fs_aops; +extern const struct address_space_operations afs_file_aops; +extern const struct address_space_operations afs_symlink_aops; extern const struct inode_operations afs_file_inode_operations; extern const struct file_operations afs_file_operations; extern const struct netfs_read_request_ops afs_req_ops; @@ -1586,6 +1598,16 @@ static inline void afs_update_dentry_version(struct afs_operation *op, } /* + * Set the file size and block count. Estimate the number of 512 bytes blocks + * used, rounded up to nearest 1K for consistency with other AFS clients. + */ +static inline void afs_set_i_size(struct afs_vnode *vnode, u64 size) +{ + i_size_write(&vnode->vfs_inode, size); + vnode->vfs_inode.i_blocks = ((size + 1023) >> 10) << 1; +} + +/* * Check for a conflicting operation on a directory that we just unlinked from. * If someone managed to sneak a link or an unlink in on the file we just * unlinked, we won't be able to trust nlink on an AFS file (but not YFS). |