X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/4b6190b935dd75d8ddd514a05c7c7343e32c0cdc..8ce769cc52e91ff3cdb8eda4b1f5d8fe58241688:/lunaix-os/includes/lunaix/fs.h?ds=sidebyside diff --git a/lunaix-os/includes/lunaix/fs.h b/lunaix-os/includes/lunaix/fs.h index d106178..f6a2e62 100644 --- a/lunaix-os/includes/lunaix/fs.h +++ b/lunaix-os/includes/lunaix/fs.h @@ -97,6 +97,7 @@ struct v_superblock struct filesystem* fs; uint32_t iobuf_size; struct hbucket* i_cache; + void* data; struct { uint32_t (*read_capacity)(struct v_superblock* vsb); @@ -172,7 +173,8 @@ struct v_fd int flags; }; -// FIXME how do we invalidate corresponding v_dnodes given the v_inode? +// [v_inode::aka_nodes] +// how do we invalidate corresponding v_dnodes given the v_inode? /* Consider taskfs, which is Lunaix's speak of Linux's procfs, that allow info of every process being accessible via file system. Each process's @@ -197,12 +199,13 @@ struct v_inode uint32_t link_count; uint32_t lb_usage; uint32_t fsize; + void* data; // 允许底层FS绑定他的一些专有数据 + struct llist_header aka_dnodes; struct llist_header xattrs; struct v_superblock* sb; struct hlist_node hash_list; struct lru_node lru; struct pcache* pg_cache; - void* data; // 允许底层FS绑定他的一些专有数据 struct v_inode_ops* ops; struct v_file_ops* default_fops; }; @@ -228,6 +231,7 @@ struct v_dnode struct v_inode* inode; struct v_dnode* parent; struct hlist_node hash_list; + struct llist_header aka_list; struct llist_header children; struct llist_header siblings; struct v_superblock* super_block; @@ -262,7 +266,7 @@ struct pcache_pg uint32_t flags; uint32_t fpos; }; -/* --- file system manager --- */ + void fsm_init(); @@ -339,6 +343,9 @@ vfs_pclose(struct v_file* file, pid_t pid); int vfs_close(struct v_file* file); +void +vfs_free_fd(struct v_fd* fd); + int vfs_fsync(struct v_file* file);