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path: root/fs/bcachefs/fs-ioctl.c
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Diffstat (limited to 'fs/bcachefs/fs-ioctl.c')
-rw-r--r--fs/bcachefs/fs-ioctl.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/bcachefs/fs-ioctl.c b/fs/bcachefs/fs-ioctl.c
index 0679b2f79fd6..6040bd3f0778 100644
--- a/fs/bcachefs/fs-ioctl.c
+++ b/fs/bcachefs/fs-ioctl.c
@@ -318,8 +318,8 @@ err:
return ret;
}
-static long bch2_ioctl_subvolume_create(struct bch_fs *c, struct file *filp,
- struct bch_ioctl_subvolume arg)
+static long __bch2_ioctl_subvolume_create(struct bch_fs *c, struct file *filp,
+ struct bch_ioctl_subvolume arg)
{
struct inode *dir;
struct bch_inode_info *inode;
@@ -440,6 +440,16 @@ err1:
return error;
}
+static long bch2_ioctl_subvolume_create(struct bch_fs *c, struct file *filp,
+ struct bch_ioctl_subvolume arg)
+{
+ down_write(&c->snapshot_create_lock);
+ long ret = __bch2_ioctl_subvolume_create(c, filp, arg);
+ up_write(&c->snapshot_create_lock);
+
+ return ret;
+}
+
static long bch2_ioctl_subvolume_destroy(struct bch_fs *c, struct file *filp,
struct bch_ioctl_subvolume arg)
{