diff options
Diffstat (limited to 'include/linux/coredump.h')
| -rw-r--r-- | include/linux/coredump.h | 34 |
1 files changed, 2 insertions, 32 deletions
diff --git a/include/linux/coredump.h b/include/linux/coredump.h index 8ba66a9d902..ba4b85a6d9b 100644 --- a/include/linux/coredump.h +++ b/include/linux/coredump.h | |||
| @@ -9,37 +9,7 @@ | |||
| 9 | * These are the only things you should do on a core-file: use only these | 9 | * These are the only things you should do on a core-file: use only these |
| 10 | * functions to write out all the necessary info. | 10 | * functions to write out all the necessary info. |
| 11 | */ | 11 | */ |
| 12 | static inline int dump_write(struct file *file, const void *addr, int nr) | 12 | extern int dump_write(struct file *file, const void *addr, int nr); |
| 13 | { | 13 | extern int dump_seek(struct file *file, loff_t off); |
| 14 | return file->f_op->write(file, addr, nr, &file->f_pos) == nr; | ||
| 15 | } | ||
| 16 | |||
| 17 | static inline int dump_seek(struct file *file, loff_t off) | ||
| 18 | { | ||
| 19 | int ret = 1; | ||
| 20 | |||
| 21 | if (file->f_op->llseek && file->f_op->llseek != no_llseek) { | ||
| 22 | if (file->f_op->llseek(file, off, SEEK_CUR) < 0) | ||
| 23 | return 0; | ||
| 24 | } else { | ||
| 25 | char *buf = (char *)get_zeroed_page(GFP_KERNEL); | ||
| 26 | |||
| 27 | if (!buf) | ||
| 28 | return 0; | ||
| 29 | while (off > 0) { | ||
| 30 | unsigned long n = off; | ||
| 31 | |||
| 32 | if (n > PAGE_SIZE) | ||
| 33 | n = PAGE_SIZE; | ||
| 34 | if (!dump_write(file, buf, n)) { | ||
| 35 | ret = 0; | ||
| 36 | break; | ||
| 37 | } | ||
| 38 | off -= n; | ||
| 39 | } | ||
| 40 | free_page((unsigned long)buf); | ||
| 41 | } | ||
| 42 | return ret; | ||
| 43 | } | ||
| 44 | 14 | ||
| 45 | #endif /* _LINUX_COREDUMP_H */ | 15 | #endif /* _LINUX_COREDUMP_H */ |
