| Message ID | 20190909182722.16783-9-hch@lst.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [01/19] iomap: better document the IOMAP_F_* flags | expand |
On Mon, Sep 09, 2019 at 08:27:11PM +0200, Christoph Hellwig wrote: > There is no reason not to punch out stale delalloc blocks for zeroing > operations, as they otherwise behave exactly like normal writes. > > Signed-off-by: Christoph Hellwig <hch@lst.de> Looks ok, Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> --D > --- > fs/xfs/xfs_iomap.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c > index f1c3ff27c666..db4764c16142 100644 > --- a/fs/xfs/xfs_iomap.c > +++ b/fs/xfs/xfs_iomap.c > @@ -1138,7 +1138,8 @@ xfs_file_iomap_end( > unsigned flags, > struct iomap *iomap) > { > - if ((flags & IOMAP_WRITE) && iomap->type == IOMAP_DELALLOC) > + if ((flags & (IOMAP_WRITE | IOMAP_ZERO)) && > + iomap->type == IOMAP_DELALLOC) > return xfs_file_iomap_end_delalloc(XFS_I(inode), offset, > length, written, iomap); > return 0; > -- > 2.20.1 >
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index f1c3ff27c666..db4764c16142 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -1138,7 +1138,8 @@ xfs_file_iomap_end( unsigned flags, struct iomap *iomap) { - if ((flags & IOMAP_WRITE) && iomap->type == IOMAP_DELALLOC) + if ((flags & (IOMAP_WRITE | IOMAP_ZERO)) && + iomap->type == IOMAP_DELALLOC) return xfs_file_iomap_end_delalloc(XFS_I(inode), offset, length, written, iomap); return 0;
There is no reason not to punch out stale delalloc blocks for zeroing operations, as they otherwise behave exactly like normal writes. Signed-off-by: Christoph Hellwig <hch@lst.de> --- fs/xfs/xfs_iomap.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)