xfs: improve the comments in xfs_select_zone_nowait

The top of the function comment is outdated, and the parts still correct
duplicate information in comment inside the function.  Remove the top of
the function comment and instead improve a comment inside the function.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Carlos Maiolino <cem@kernel.org>

diff --git a/fs/xfs/xfs_zone_alloc.c b/fs/xfs/xfs_zone_alloc.c
index 6a123d3dd62d48666d694d7e5e88984cbffc0448..33f7eee521a82a5995483c4f0789564442de10ad 100644 (file)
--- a/fs/xfs/xfs_zone_alloc.c
+++ b/fs/xfs/xfs_zone_alloc.c
@@ -654,13 +654,6 @@ static inline bool xfs_zoned_pack_tight(struct xfs_inode *ip)
                !(ip->i_diflags & XFS_DIFLAG_APPEND);
 }
 
-/*
- * Pick a new zone for writes.
- *
- * If we aren't using up our budget of open zones just open a new one from the
- * freelist.  Else try to find one that matches the expected data lifetime.  If
- * we don't find one that is good pick any zone that is available.
- */
 static struct xfs_open_zone *
 xfs_select_zone_nowait(
        struct xfs_mount        *mp,
@@ -688,7 +681,8 @@ xfs_select_zone_nowait(
                goto out_unlock;
 
        /*
-        * See if we can open a new zone and use that.
+        * See if we can open a new zone and use that so that data for different
+        * files is mixed as little as possible.
         */
        oz = xfs_try_open_zone(mp, write_hint);
        if (oz)