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| author | Al Viro <viro@zeniv.linux.org.uk> | 2015-04-09 12:55:47 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-04-11 22:30:21 -0400 |
| commit | 3309dd04cbcd2cdad168485af5cf3576b5051e49 (patch) | |
| tree | 3e01f865306dee01b31f34c9e7e819a5f42a4087 /fs/ntfs | |
| parent | 90320251db0fe3d05f2b10686ec936c7d6ecd99a (diff) | |
| download | linux-stable-3309dd04cbcd2cdad168485af5cf3576b5051e49.tar.gz linux-stable-3309dd04cbcd2cdad168485af5cf3576b5051e49.tar.bz2 linux-stable-3309dd04cbcd2cdad168485af5cf3576b5051e49.zip | |
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
Diffstat (limited to 'fs/ntfs')
| -rw-r--r-- | fs/ntfs/file.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c index cec4ec3c1ede..7bb487e663b4 100644 --- a/fs/ntfs/file.c +++ b/fs/ntfs/file.c @@ -339,17 +339,14 @@ static ssize_t ntfs_prepare_file_for_write(struct kiocb *iocb, 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 |