On Wed, May 30, 2018 at 09:35:52AM -0400, Brian Foster wrote:
> On Wed, May 30, 2018 at 12:00:00PM +0200, Christoph Hellwig wrote:
> > Both callers want the same looking, so do it only once.
> >
> > Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> > ---
> > fs/xfs/xfs_aops.c | 2 --
> > fs/xfs/xfs_bmap_util.c | 7 ++++---
> > fs/xfs/xfs_iomap.c | 3 ---
> > 3 files changed, 4 insertions(+), 8 deletions(-)
> >
> > diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
> > index f2333e351e07..5dd09e83c81c 100644
> > --- a/fs/xfs/xfs_aops.c
> > +++ b/fs/xfs/xfs_aops.c
> > @@ -761,10 +761,8 @@ xfs_aops_discard_page(
> > "page discard on page "PTR_FMT", inode 0x%llx, offset %llu.",
> > page, ip->i_ino, offset);
> >
> > - xfs_ilock(ip, XFS_ILOCK_EXCL);
> > error = xfs_bmap_punch_delalloc_range(ip, start_fsb,
> > PAGE_SIZE / i_blocksize(inode));
> > - xfs_iunlock(ip, XFS_ILOCK_EXCL);
> > if (error && !XFS_FORCED_SHUTDOWN(mp))
> > xfs_alert(mp, "page discard unable to remove delalloc mapping.");
> > out_invalidate:
> > diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
> > index f2b87873612d..86a7ee425bfc 100644
> > --- a/fs/xfs/xfs_bmap_util.c
> > +++ b/fs/xfs/xfs_bmap_util.c
> > @@ -712,12 +712,11 @@ xfs_bmap_punch_delalloc_range(
> > struct xfs_iext_cursor icur;
> > int error = 0;
> >
> > - ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
> > -
> > + xfs_ilock(ip, XFS_ILOCK_EXCL);
> > if (!(ifp->if_flags & XFS_IFEXTENTS)) {
> > error = xfs_iread_extents(NULL, ip, XFS_DATA_FORK);
> > if (error)
> > - return error;
> > + goto out_unlock;
> > }
> >
> > if (!xfs_iext_lookup_extent_before(ip, ifp, &end_fsb, &icur, &got))
>
> There's a return 0 just below here that needs the exit label treatment.
> Otherwise looks Ok.
Will fix that in my tree for testing. Brian, will you RVB the fixed up
patch?
--D
> Brian
>
> > @@ -738,6 +737,8 @@ xfs_bmap_punch_delalloc_range(
> > }
> > }
> >
> > +out_unlock:
> > + xfs_iunlock(ip, XFS_ILOCK_EXCL);
> > return error;
> > }
> >
> > diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
> > index da6d1995e460..f949f0dd7382 100644
> > --- a/fs/xfs/xfs_iomap.c
> > +++ b/fs/xfs/xfs_iomap.c
> > @@ -1203,11 +1203,8 @@ xfs_file_iomap_end_delalloc(
> > truncate_pagecache_range(VFS_I(ip), XFS_FSB_TO_B(mp, start_fsb),
> > XFS_FSB_TO_B(mp, end_fsb) - 1);
> >
> > - xfs_ilock(ip, XFS_ILOCK_EXCL);
> > error = xfs_bmap_punch_delalloc_range(ip, start_fsb,
> > end_fsb - start_fsb);
> > - xfs_iunlock(ip, XFS_ILOCK_EXCL);
> > -
> > if (error && !XFS_FORCED_SHUTDOWN(mp)) {
> > xfs_alert(mp, "%s: unable to clean up ino %lld",
> > __func__, ip->i_ino);
> > --
> > 2.17.0
> >
> > --
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