TMPFS

include/fs/tmpfs.h

struct tmpfs_node

struct tmpfs_node {
    enum tmpfs_type    type;
    char               *name;
    void               **pages;
    uint64_t           num_pages;
    uint64_t           size;
    char               *symlink_target;
    uint16_t           mode;
    uint32_t           uid;
    uint32_t           gid;
    uint64_t           mtime;
    uint64_t           atime;
    struct tmpfs_node  *parent;
    struct tmpfs_node  **children;
    uint64_t           child_count;
    struct mutex       lock;
};

struct tmpfs_node referenced types:

• enum tmpfs_type
• struct tmpfs_node
• struct mutex

struct tmpfs_fs

struct tmpfs_fs {
    struct tmpfs_node  *root;
};

struct tmpfs_fs referenced types:

• struct tmpfs_node

enum tmpfs_type

enum tmpfs_type {
    TMPFS_FILE,
    TMPFS_DIR,
    TMPFS_SYMLINK,
};

Defines

TMPFS_PAGE_SIZE

#define TMPFS_PAGE_SIZE 4096

TMPFS_PAGE_SHIFT

#define TMPFS_PAGE_SHIFT 12

TMPFS_PAGE_MASK

#define TMPFS_PAGE_MASK (TMPFS_PAGE_SIZE - 1)

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