There are very few zone structures in the machine, so space * consumption is not a concern here. */ #if defined(CONFIG_SMP) struct zone_padding { char x[0]; } ___cacheline_internodealigned_in_smp; #define ZONE_PADDING(name) struct zone_padding name; #else #define ZONE_PADDING(name...
将文件oldFileName.txt重命名为newFileName.txt mv oldFileName.txtnewFileName.txt 将文件fileName移动到目录dir mv fileName.txtdir 需要注意 如果目录存在,则该命令执行移动操作。 如果目录不存在,则该命令执行修改操作。 3.10 cat 基本语法 查看文件内容,正序 cat[options]fileName -n 或 -number : 对输出...
name = "vfio-pci", .id_table = vfio_pci_table, .probe = vfio_pci_probe, .remove = vfio_pci_remove, .sriov_configure = vfio_pci_sriov_configure, .err_handler = &vfio_pci_core_err_handlers, .driver_managed_dma = true, }; vfio_pci_probe vfio_pci_is_denylisted vdev = ...
把文件系统相关的统计信息放在statfs中int(*statfs) (structdentry *,structkstatfs *);int(*remount_fs) (structsuper_block *,int*,char*);void(*umount_begin) (structsuper_block *);int(*show_options)(structseq_file *,structdentry *);int(*show_devname)(structseq_file *,structdentry *);int(...
less [+F] FILENAME[ ...]|STDIN 只可使用管道输入时使用STDIN。 +F:持续检测文件。按Ctrl+C退出持续检测。 在显示界面,可输入如下命令: Enter键:下滚一行。 PageUp键:上翻一页。 PageDown键:夏凡一页。 Space键:下翻一页。 /str:向下查询str。
atomic_long_t s_remove_count; /* Being remounted read-only */ int s_readonly_remount; /* AIO completions deferred from interrupt context */ struct workqueue_struct *s_dio_done_wq; struct hlist_head s_pins; /* * Owning user namespace and default context in which to ...
(CONFIG_ENABLE_ARM_SOC_BOOT0_HOOK)/** Various SoCs need something special and SoC-specific up front in* order to boot, allow them to set that in their boot0.h file and then* use it here.** To allow a boot0 hook to insert a 'special' sequence after the vector* table (e.g. ...
*/ //8 vma的标志,mm.h定义 /* * For areas with an address space and backing store, * linkage into the address_space->i_mmap interval tree. */ struct { struct rb_node rb; unsigned long rb_subtree_last; } shared; //9 区间树使用 /* * A file's MAP_PRIVATE vma can be in both...
rm 删除的本质是执行unlink() 函数,删除目录是执行 remove() 函数;而 unlink() 函数主要做的就是删除文件目录项并减少一个连接数,如果链接数为0并且没有任何进程打开该文件,文件将会被删除,但是其 inode 节点信息和data bloack仍然存在,只是解除了链接。如果是最后一个连接但是有进程打开文件,文件仍会存在,直到...
Partition#2 contains a swap signature.Do you want to remove the signature?[Y]es/[N]o: N Command(mforhelp): w The partition table has been altered. Syncing disks. parted命令:用于对磁盘进行高级分区操作。相比于fdisk,parted提供了更多的功能和灵活性。