From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Christoph Hellwig To: linux-xfs@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 21/34] xfs: move locking into xfs_bmap_punch_delalloc_range Date: Fri, 18 May 2018 18:48:17 +0200 Message-Id: <20180518164830.1552-22-hch@lst.de> In-Reply-To: <20180518164830.1552-1-hch@lst.de> References: <20180518164830.1552-1-hch@lst.de> Sender: owner-linux-mm@kvack.org List-ID: Both callers want the same looking, so do it only once. Signed-off-by: Christoph Hellwig --- 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 c009bdf9fdce..1a55fc06f917 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -711,12 +711,11 @@ 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(ip, ifp, start_fsb, &icur, &got)) @@ -738,6 +737,8 @@ xfs_bmap_punch_delalloc_range( break; } while (xfs_iext_next_extent(ifp, &icur, &got)); +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