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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | pj | 1 | |
| 2 | #include <fs/types.h> |
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| 3 | #include <fs/errno.h> |
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| 4 | #include <fs/task.h> |
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| 5 | #include <fs/maccess.h> |
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| 6 | |||
| 7 | #include "file.h" |
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| 8 | #include "inode.h" |
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| 9 | #include "fileop.h" |
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| 10 | #include "fs.h" |
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| 11 | |||
| 12 | __off_t k_lseek(int fd, __off_t off, int whence) |
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| 13 | { |
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| 14 | __pid_t pid; |
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| 15 | |||
| 16 | call_to_fs(); |
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| 17 | |||
| 18 | /* don't try to use a bad file descriptor */ |
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| 19 | pid=__get_pid(); |
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| 20 | if (check_fd(pid,fd)) { |
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| 21 | printk(KERN_INFO "k_lseek: using bad file descriptor"); |
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| 22 | return_from_fs(-EBADF); |
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| 23 | } |
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| 24 | |||
| 25 | /* seek on a directory not permitted! */ |
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| 26 | if (file_ptr(pid,fd)->f_flag_isdir) return_from_fs(-EBADF); |
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| 27 | |||
| 28 | return_from_fs(file_ptr(pid,fd)->f_op->lseek(file_ptr(pid,fd),off,whence)); |
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| 29 | } |