switch simple cases of fget_light to fdget
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/mm/readahead.c b/mm/readahead.c
index 1011111..7963f23 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -579,20 +579,19 @@
SYSCALL_DEFINE(readahead)(int fd, loff_t offset, size_t count)
{
ssize_t ret;
- struct file *file;
- int fput_needed;
+ struct fd f;
ret = -EBADF;
- file = fget_light(fd, &fput_needed);
- if (file) {
- if (file->f_mode & FMODE_READ) {
- struct address_space *mapping = file->f_mapping;
+ f = fdget(fd);
+ if (f.file) {
+ if (f.file->f_mode & FMODE_READ) {
+ struct address_space *mapping = f.file->f_mapping;
pgoff_t start = offset >> PAGE_CACHE_SHIFT;
pgoff_t end = (offset + count - 1) >> PAGE_CACHE_SHIFT;
unsigned long len = end - start + 1;
- ret = do_readahead(mapping, file, start, len);
+ ret = do_readahead(mapping, f.file, start, len);
}
- fput_light(file, fput_needed);
+ fdput(f);
}
return ret;
}