switch generic_write_checks() to iocb and iter
... returning -E... upon error and amount of data left in iter after
(possible) truncation upon success. Note, that normal case gives
a non-zero (positive) return value, so any tests for != 0 _must_ be
updated.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Conflicts:
fs/ext4/file.c
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index cec4ec3..7bb487e 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -339,17 +339,14 @@
struct inode *vi = file_inode(file);
ntfs_inode *base_ni, *ni = NTFS_I(vi);
ntfs_volume *vol = ni->vol;
- size_t count = iov_iter_count(from);
ntfs_debug("Entering for i_ino 0x%lx, attribute type 0x%x, pos "
"0x%llx, count 0x%zx.", vi->i_ino,
(unsigned)le32_to_cpu(ni->type),
- (unsigned long long)iocb->ki_pos, count);
- err = generic_write_checks(file, &iocb->ki_pos, &count);
- if (unlikely(err))
- goto out;
- iov_iter_truncate(from, count);
- if (count == 0)
+ (unsigned long long)iocb->ki_pos,
+ iov_iter_count(from));
+ err = generic_write_checks(iocb, from);
+ if (unlikely(err <= 0))
goto out;
/*
* All checks have passed. Before we start doing any writing we want