bcachefs: sysfs trigger for bch2_alloc_write

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/fs/bcachefs/sysfs.c b/fs/bcachefs/sysfs.c
index a7b4f76d0e61cfef7cd75db298aa1d690110d174..f33a533ee6b8cb5ac3b53351f70dba51d06afa65 100644 (file)
--- a/fs/bcachefs/sysfs.c
+++ b/fs/bcachefs/sysfs.c
@@ -133,6 +133,7 @@ do {                                                                        \
 write_attribute(trigger_journal_flush);
 write_attribute(trigger_btree_coalesce);
 write_attribute(trigger_gc);
+write_attribute(trigger_alloc_write);
 write_attribute(prune_cache);
 rw_attribute(btree_gc_periodic);
 
@@ -495,6 +496,12 @@ STORE(__bch2_fs)
        if (attr == &sysfs_trigger_gc)
                bch2_gc(c, NULL, false);
 
+       if (attr == &sysfs_trigger_alloc_write) {
+               bool wrote;
+
+               bch2_alloc_write(c, false, &wrote);
+       }
+
        if (attr == &sysfs_prune_cache) {
                struct shrink_control sc;
 
@@ -587,6 +594,7 @@ struct attribute *bch2_fs_internal_files[] = {
        &sysfs_trigger_journal_flush,
        &sysfs_trigger_btree_coalesce,
        &sysfs_trigger_gc,
+       &sysfs_trigger_alloc_write,
        &sysfs_prune_cache,
 
        &sysfs_copy_gc_enabled,