ext4: deprecate max_writeback_mb_bump sysfs attribute

This attribute is now unused so deprecate it.  We still show the old
default value to keep some compatibility but we don't allow writing to
that attribute anymore.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 0 insertions, 1 deletions

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 82d2b6000a61..46674058d251 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1241,7 +1241,6 @@ struct ext4_sb_info {
         unsigned int s_mb_stats;
         unsigned int s_mb_order2_reqs;
         unsigned int s_mb_group_prealloc;
-        unsigned int s_max_writeback_mb_bump;
         unsigned int s_max_dir_size_kb;
         /* where last allocation was done - for stream allocation */
         unsigned long s_mb_last_group;