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xfs: move locking into xfs_bmap_punch_delalloc_range 

Both callers want the same looking, so do it only once.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig 2018-07-11 22:25:57 -07:00 committed by Darrick J. Wong
parent 0362572138
commit d438017757
3 changed files with 5 additions and 9 deletions
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2
fs/xfs/xfs_aops.c
View File

@ -760,10 +760,8 @@ 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:

9
fs/xfs/xfs_bmap_util.c
View File

@ -702,16 +702,15 @@ 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))
return 0;
goto out_unlock;
while (got.br_startoff + got.br_blockcount > start_fsb) {
del = got;
@ -735,6 +734,8 @@ xfs_bmap_punch_delalloc_range(
break;
}
out_unlock:
xfs_iunlock(ip, XFS_ILOCK_EXCL);
return error;
}

3
fs/xfs/xfs_iomap.c
View File

@ -1204,11 +1204,8 @@ 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);