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Diffstat (limited to 'fs/bcachefs/chardev.c')
-rw-r--r--fs/bcachefs/chardev.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/fs/bcachefs/chardev.c b/fs/bcachefs/chardev.c
index 0377f9018d27..e7c8969aaad1 100644
--- a/fs/bcachefs/chardev.c
+++ b/fs/bcachefs/chardev.c
@@ -5,6 +5,7 @@
#include "bcachefs_ioctl.h"
#include "buckets.h"
#include "chardev.h"
+#include "journal.h"
#include "move.h"
#include "replicas.h"
#include "super.h"
@@ -340,7 +341,8 @@ static long bch2_ioctl_data(struct bch_fs *c,
ctx->c = c;
ctx->arg = arg;
- ctx->thread = kthread_create(bch2_data_thread, ctx, "[bcachefs]");
+ ctx->thread = kthread_create(bch2_data_thread, ctx,
+ "bch-data/%s", c->name);
if (IS_ERR(ctx->thread)) {
ret = PTR_ERR(ctx->thread);
goto err;
@@ -563,6 +565,26 @@ static long bch2_ioctl_disk_resize(struct bch_fs *c,
return ret;
}
+static long bch2_ioctl_disk_resize_journal(struct bch_fs *c,
+ struct bch_ioctl_disk_resize_journal arg)
+{
+ struct bch_dev *ca;
+ int ret;
+
+ if ((arg.flags & ~BCH_BY_INDEX) ||
+ arg.pad)
+ return -EINVAL;
+
+ ca = bch2_device_lookup(c, arg.dev, arg.flags);
+ if (IS_ERR(ca))
+ return PTR_ERR(ca);
+
+ ret = bch2_set_nr_journal_buckets(c, ca, arg.nbuckets);
+
+ percpu_ref_put(&ca->ref);
+ return ret;
+}
+
#define BCH_IOCTL(_name, _argtype) \
do { \
_argtype i; \
@@ -619,6 +641,8 @@ long bch2_fs_ioctl(struct bch_fs *c, unsigned cmd, void __user *arg)
BCH_IOCTL(data, struct bch_ioctl_data);
case BCH_IOCTL_DISK_RESIZE:
BCH_IOCTL(disk_resize, struct bch_ioctl_disk_resize);
+ case BCH_IOCTL_DISK_RESIZE_JOURNAL:
+ BCH_IOCTL(disk_resize_journal, struct bch_ioctl_disk_resize_journal);
default:
return -ENOTTY;