diff options
| author | Andreas Gruenbacher <agruenba@redhat.com> | 2021-08-02 14:54:16 +0200 |
|---|---|---|
| committer | Andreas Gruenbacher <agruenba@redhat.com> | 2021-10-18 16:35:06 +0200 |
| commit | a6294593e8a1290091d0b078d5d33da5e0cd3dfe (patch) | |
| tree | c5d95c10317d752b3d2e8ceebdf3a943112f5a76 /fs/btrfs/file.c | |
| parent | bb523b406c849eef8f265a07cd7f320f1f177743 (diff) | |
iov_iter: Turn iov_iter_fault_in_readable into fault_in_iov_iter_readable
Turn iov_iter_fault_in_readable into a function that returns the number
of bytes not faulted in, similar to copy_to_user, instead of returning a
non-zero value when any of the requested pages couldn't be faulted in.
This supports the existing users that require all pages to be faulted in
as well as new users that are happy if any pages can be faulted in.
Rename iov_iter_fault_in_readable to fault_in_iov_iter_readable to make
sure this change doesn't silently break things.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Diffstat (limited to 'fs/btrfs/file.c')
| -rw-r--r-- | fs/btrfs/file.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 7ff577005d0f..f37211d3bb69 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1710,7 +1710,7 @@ static noinline ssize_t btrfs_buffered_write(struct kiocb *iocb, * Fault pages before locking them in prepare_pages * to avoid recursive lock */ - if (unlikely(iov_iter_fault_in_readable(i, write_bytes))) { + if (unlikely(fault_in_iov_iter_readable(i, write_bytes))) { ret = -EFAULT; break; } |