diff options
Diffstat (limited to 'fs/read_write.c')
| -rw-r--r-- | fs/read_write.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/read_write.c b/fs/read_write.c index f646c8b565b..782dfc3aceb 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -145,6 +145,26 @@ loff_t generic_file_llseek(struct file *file, loff_t offset, int whence) EXPORT_SYMBOL(generic_file_llseek); /** + * fixed_size_llseek - llseek implementation for fixed-sized devices + * @file: file structure to seek on + * @offset: file offset to seek to + * @whence: type of seek + * @size: size of the file + * + */ +loff_t fixed_size_llseek(struct file *file, loff_t offset, int whence, loff_t size) +{ + switch (whence) { + case SEEK_SET: case SEEK_CUR: case SEEK_END: + return generic_file_llseek_size(file, offset, whence, + size, size); + default: + return -EINVAL; + } +} +EXPORT_SYMBOL(fixed_size_llseek); + +/** * noop_llseek - No Operation Performed llseek implementation * @file: file structure to seek on * @offset: file offset to seek to |