On Mon, Aug 09, 2021 at 08:12:29AM +0200, Christoph Hellwig wrote: > Switch iomap_zero_range to use iomap_iter. > > Signed-off-by: Christoph Hellwig <[email protected]>
Straightforward. Reviewed-by: Darrick J. Wong <[email protected]> --D > --- > fs/iomap/buffered-io.c | 36 ++++++++++++++++++------------------ > 1 file changed, 18 insertions(+), 18 deletions(-) > > diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c > index 4f525727462f33..3a23f7346938fb 100644 > --- a/fs/iomap/buffered-io.c > +++ b/fs/iomap/buffered-io.c > @@ -896,11 +896,12 @@ static s64 iomap_zero(struct inode *inode, loff_t pos, > u64 length, > return iomap_write_end(inode, pos, bytes, bytes, page, iomap, srcmap); > } > > -static loff_t iomap_zero_range_actor(struct inode *inode, loff_t pos, > - loff_t length, void *data, struct iomap *iomap, > - struct iomap *srcmap) > +static loff_t iomap_zero_iter(struct iomap_iter *iter, bool *did_zero) > { > - bool *did_zero = data; > + struct iomap *iomap = &iter->iomap; > + struct iomap *srcmap = iomap_iter_srcmap(iter); > + loff_t pos = iter->pos; > + loff_t length = iomap_length(iter); > loff_t written = 0; > > /* already zeroed? we're done. */ > @@ -910,10 +911,11 @@ static loff_t iomap_zero_range_actor(struct inode > *inode, loff_t pos, > do { > s64 bytes; > > - if (IS_DAX(inode)) > + if (IS_DAX(iter->inode)) > bytes = dax_iomap_zero(pos, length, iomap); > else > - bytes = iomap_zero(inode, pos, length, iomap, srcmap); > + bytes = iomap_zero(iter->inode, pos, length, iomap, > + srcmap); > if (bytes < 0) > return bytes; > > @@ -931,19 +933,17 @@ int > iomap_zero_range(struct inode *inode, loff_t pos, loff_t len, bool *did_zero, > const struct iomap_ops *ops) > { > - loff_t ret; > - > - while (len > 0) { > - ret = iomap_apply(inode, pos, len, IOMAP_ZERO, > - ops, did_zero, iomap_zero_range_actor); > - if (ret <= 0) > - return ret; > - > - pos += ret; > - len -= ret; > - } > + struct iomap_iter iter = { > + .inode = inode, > + .pos = pos, > + .len = len, > + .flags = IOMAP_ZERO, > + }; > + int ret; > > - return 0; > + while ((ret = iomap_iter(&iter, ops)) > 0) > + iter.processed = iomap_zero_iter(&iter, did_zero); > + return ret; > } > EXPORT_SYMBOL_GPL(iomap_zero_range); > > -- > 2.30.2 >
