This functionality was deprecated in kernel 5.4. Since no one has
complained of the impending removal it's time we did so.
Signed-off-by: Nikolay Borisov <nborisov@xxxxxxxx>
---
fs/btrfs/ioctl.c | 25 +------------------------
include/uapi/linux/btrfs.h | 7 ++-----
2 files changed, 3 insertions(+), 29 deletions(-)
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index bdc3a6bab904..af1be567fec7 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1818,8 +1818,6 @@ static noinline int btrfs_ioctl_snap_create_v2(struct file *file,
{
struct btrfs_ioctl_vol_args_v2 *vol_args;
int ret;
- u64 transid = 0;
- u64 *ptr = NULL;
bool readonly = false;
struct btrfs_qgroup_inherit *inherit = NULL;
@@ -1836,15 +1834,6 @@ static noinline int btrfs_ioctl_snap_create_v2(struct file *file,
goto free_args;
}
- if (vol_args->flags & BTRFS_SUBVOL_CREATE_ASYNC) {
- struct inode *inode = file_inode(file);
- struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
-
- btrfs_warn(fs_info,
-"SNAP_CREATE_V2 ioctl with CREATE_ASYNC is deprecated and will be removed in kernel 5.7");
-
- ptr = &transid;
- }
if (vol_args->flags & BTRFS_SUBVOL_RDONLY)
readonly = true;
if (vol_args->flags & BTRFS_SUBVOL_QGROUP_INHERIT) {
@@ -1860,17 +1849,10 @@ static noinline int btrfs_ioctl_snap_create_v2(struct file *file,
}
ret = btrfs_ioctl_snap_create_transid(file, vol_args->name,
- vol_args->fd, subvol, ptr,
+ vol_args->fd, subvol, NULL,
readonly, inherit);
if (ret)
goto free_inherit;
-
- if (ptr && copy_to_user(arg +
- offsetof(struct btrfs_ioctl_vol_args_v2,
- transid),
- ptr, sizeof(*ptr)))
- ret = -EFAULT;
-
free_inherit:
kfree(inherit);
free_args:
@@ -1930,11 +1912,6 @@ static noinline int btrfs_ioctl_subvol_setflags(struct file *file,
goto out_drop_write;
}
- if (flags & BTRFS_SUBVOL_CREATE_ASYNC) {
- ret = -EINVAL;
- goto out_drop_write;
- }
-
if (flags & ~BTRFS_SUBVOL_RDONLY) {
ret = -EOPNOTSUPP;
goto out_drop_write;
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
index b5f3ea36d3cb..ed9c9612a5b4 100644
--- a/include/uapi/linux/btrfs.h
+++ b/include/uapi/linux/btrfs.h
@@ -36,7 +36,6 @@ struct btrfs_ioctl_vol_args {
#define BTRFS_DEVICE_PATH_NAME_MAX 1024
#define BTRFS_SUBVOL_NAME_MAX 4039
-#define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0)
#define BTRFS_SUBVOL_RDONLY (1ULL << 1)
#define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2)
@@ -45,8 +44,7 @@ struct btrfs_ioctl_vol_args {
#define BTRFS_SUBVOL_SPEC_BY_ID (1ULL << 4)
#define BTRFS_VOL_ARG_V2_FLAGS_SUPPORTED \
- (BTRFS_SUBVOL_CREATE_ASYNC | \
- BTRFS_SUBVOL_RDONLY | \
+ (BTRFS_SUBVOL_RDONLY | \
BTRFS_SUBVOL_QGROUP_INHERIT | \
BTRFS_DEVICE_SPEC_BY_ID | \
BTRFS_SUBVOL_SPEC_BY_ID)
@@ -116,8 +114,7 @@ struct btrfs_ioctl_qgroup_limit_args {
/* Supported flags for BTRFS_IOC_SNAP_CREATE_V2 and BTRFS_IOC_SUBVOL_CREATE_V2 */
#define BTRFS_SUBVOL_CREATE_ARGS_MASK \
- (BTRFS_SUBVOL_CREATE_ASYNC | \
- BTRFS_SUBVOL_RDONLY | \
+ (BTRFS_SUBVOL_RDONLY | \
BTRFS_SUBVOL_QGROUP_INHERIT)
/* Supported flags for BTRFS_IOC_SNAP_DESTROY_V2 */
--
2.17.1
