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| author | Christoph Hellwig <hch@lst.de> | 2018-03-13 23:15:33 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-03-15 10:31:38 -0700 |
| commit | df79b81b2e6a801c134c3e06c647715a316b4a92 (patch) | |
| tree | a744eb0c45de9d6fc72361cc7434d80bdb4bf45e | |
| parent | 1d4352de511f4c9b6f4466c8fd4cfc25b14869b7 (diff) | |
| download | linux-df79b81b2e6a801c134c3e06c647715a316b4a92.tar.gz linux-df79b81b2e6a801c134c3e06c647715a316b4a92.tar.bz2 linux-df79b81b2e6a801c134c3e06c647715a316b4a92.zip | |
xfs: minor cleanup for xfs_reflink_end_cow
Use xfs_iext_prev_extent to skip to the previous extent instead of
opencoding it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
| -rw-r--r-- | fs/xfs/xfs_reflink.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index 90aac8889dd9..cdbd342a5249 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -762,10 +762,8 @@ xfs_reflink_end_cow( xfs_trim_extent(&del, offset_fsb, end_fsb - offset_fsb); /* Extent delete may have bumped ext forward */ - if (!del.br_blockcount) { - xfs_iext_prev(ifp, &icur); - goto next_extent; - } + if (!del.br_blockcount) + goto prev_extent; ASSERT(!isnullstartblock(got.br_startblock)); @@ -774,10 +772,8 @@ xfs_reflink_end_cow( * speculatively preallocated CoW extents that have been * allocated but have not yet been involved in a write. */ - if (got.br_state == XFS_EXT_UNWRITTEN) { - xfs_iext_prev(ifp, &icur); - goto next_extent; - } + if (got.br_state == XFS_EXT_UNWRITTEN) + goto prev_extent; /* Unmap the old blocks in the data fork. */ xfs_defer_init(&dfops, &firstfsb); @@ -816,9 +812,12 @@ xfs_reflink_end_cow( error = xfs_defer_finish(&tp, &dfops); if (error) goto out_defer; -next_extent: if (!xfs_iext_get_extent(ifp, &icur, &got)) break; + continue; +prev_extent: + if (!xfs_iext_prev_extent(ifp, &icur, &got)) + break; } error = xfs_trans_commit(tp); |