Read(User - ext4)

(버전 사이의 차이)

이동: 둘러보기, 찾기

@@ 1번째 줄: / 1번째 줄: @@
 <uml>
-"read(int fd, void *buf, size_t nbytes)" --> "SYSCALL_DEFINE3"
+"read" --> "SYSCALL_DEFINE3"
-"SYSCALL_DEFINE3" -->  "vfs_read(struct file *file, char __user *buf, size_t count, loff_t *pos)"
+"SYSCALL_DEFINE3" -->  "vfs_read"
-"vfs_read(struct file *file, char __user *buf, size_t count, loff_t *pos)" -->  "do_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos)"
+"vfs_read" -->  "do_sync_read"
-"do_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos)" -->"generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,unsigned long nr_segs, loff_t pos)"
+"do_sync_read" -->"generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,unsigned long nr_segs, loff_t pos)"
 </uml>

2014년 5월 16일 (금) 05:15 판