diff options
Diffstat (limited to 'fs/bcachefs/chardev.c')
| -rw-r--r-- | fs/bcachefs/chardev.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/bcachefs/chardev.c b/fs/bcachefs/chardev.c index 0b1eca63f78e..cd5c850a41ec 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" @@ -563,6 +564,26 @@ 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 +640,8 @@ 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; |