tree 1746c2ab625038843c9c7664b5c0061d29e08489
parent 00892a3298a7930938116f644d1eff648a478fdc
author Luis R. Rodriguez <mcgrof@kernel.org> 1511993667 -0800
committer Luis R. Rodriguez <mcgrof@kernel.org> 1511995549 -0800

nilfs2: remove not needed freezing calls

This removes superflous freezer calls as they are no longer needed
as the VFS now performs filesystem freezing/thaw if the filesystem has
support for it.

The following Coccinelle rule was used as follows:

spatch --sp-file fs-freeze-cleanup.cocci --in-place fs/$FS/

@ has_freeze_fs @
identifier super_ops;
expression freeze_op;
@@

struct super_operations super_ops = {
	.freeze_fs = freeze_op,
};

@ remove_set_freezable depends on has_freeze_fs @
expression time;
statement S, S2, S3;
expression task;
@@

(
-	set_freezable();
|
-	if (try_to_freeze())
-		continue;
|
-	try_to_freeze();
|
-	freezable_schedule();
+	schedule();
|
-	freezable_schedule_timeout(time);
+	schedule_timeout(time);
|
-	if (freezing(task)) { S }
|
-	if (freezing(task)) { S }
-	else
	{ S2 }
|
-	freezing(current)
)

Generated-by: Coccinelle SmPL
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>