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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-08-28 18:52:22 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-09-27 04:20:08 +0200 |
| commit | 2903ff019b346ab8d36ebbf54853c3aaf6590608 (patch) | |
| tree | 962d94054765bb37bc00e977c3036e65c5fd91fe /mm/readahead.c | |
| parent | new helpers: fdget()/fdput() (diff) | |
| download | linux-2903ff019b346ab8d36ebbf54853c3aaf6590608.tar.xz linux-2903ff019b346ab8d36ebbf54853c3aaf6590608.zip | |
switch simple cases of fget_light to fdget
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'mm/readahead.c')
| -rw-r--r-- | mm/readahead.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/mm/readahead.c b/mm/readahead.c index 1011111e2bf4..7963f2391236 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -579,20 +579,19 @@ do_readahead(struct address_space *mapping, struct file *filp, 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; } |