@@ -195,38 +195,38 @@ enum {
* Note: don't forget to add new options to btrfs_show_options()
*/
enum {
- BTRFS_MOUNT_NODATASUM = (1UL << 0),
- BTRFS_MOUNT_NODATACOW = (1UL << 1),
- BTRFS_MOUNT_NOBARRIER = (1UL << 2),
- BTRFS_MOUNT_SSD = (1UL << 3),
- BTRFS_MOUNT_DEGRADED = (1UL << 4),
- BTRFS_MOUNT_COMPRESS = (1UL << 5),
- BTRFS_MOUNT_NOTREELOG = (1UL << 6),
- BTRFS_MOUNT_FLUSHONCOMMIT = (1UL << 7),
- BTRFS_MOUNT_SSD_SPREAD = (1UL << 8),
- BTRFS_MOUNT_NOSSD = (1UL << 9),
- BTRFS_MOUNT_DISCARD_SYNC = (1UL << 10),
- BTRFS_MOUNT_FORCE_COMPRESS = (1UL << 11),
- BTRFS_MOUNT_SPACE_CACHE = (1UL << 12),
- BTRFS_MOUNT_CLEAR_CACHE = (1UL << 13),
- BTRFS_MOUNT_USER_SUBVOL_RM_ALLOWED = (1UL << 14),
- BTRFS_MOUNT_ENOSPC_DEBUG = (1UL << 15),
- BTRFS_MOUNT_AUTO_DEFRAG = (1UL << 16),
- BTRFS_MOUNT_USEBACKUPROOT = (1UL << 17),
- BTRFS_MOUNT_SKIP_BALANCE = (1UL << 18),
- BTRFS_MOUNT_PANIC_ON_FATAL_ERROR = (1UL << 19),
- BTRFS_MOUNT_RESCAN_UUID_TREE = (1UL << 20),
- BTRFS_MOUNT_FRAGMENT_DATA = (1UL << 21),
- BTRFS_MOUNT_FRAGMENT_METADATA = (1UL << 22),
- BTRFS_MOUNT_FREE_SPACE_TREE = (1UL << 23),
- BTRFS_MOUNT_NOLOGREPLAY = (1UL << 24),
- BTRFS_MOUNT_REF_VERIFY = (1UL << 25),
- BTRFS_MOUNT_DISCARD_ASYNC = (1UL << 26),
- BTRFS_MOUNT_IGNOREBADROOTS = (1UL << 27),
- BTRFS_MOUNT_IGNOREDATACSUMS = (1UL << 28),
- BTRFS_MOUNT_NODISCARD = (1UL << 29),
- BTRFS_MOUNT_NOSPACECACHE = (1UL << 30),
- BTRFS_MOUNT_IGNOREMETACSUMS = (1UL << 31),
+ BTRFS_MOUNT_NODATASUM = (1ULL << 0),
+ BTRFS_MOUNT_NODATACOW = (1ULL << 1),
+ BTRFS_MOUNT_NOBARRIER = (1ULL << 2),
+ BTRFS_MOUNT_SSD = (1ULL << 3),
+ BTRFS_MOUNT_DEGRADED = (1ULL << 4),
+ BTRFS_MOUNT_COMPRESS = (1ULL << 5),
+ BTRFS_MOUNT_NOTREELOG = (1ULL << 6),
+ BTRFS_MOUNT_FLUSHONCOMMIT = (1ULL << 7),
+ BTRFS_MOUNT_SSD_SPREAD = (1ULL << 8),
+ BTRFS_MOUNT_NOSSD = (1ULL << 9),
+ BTRFS_MOUNT_DISCARD_SYNC = (1ULL << 10),
+ BTRFS_MOUNT_FORCE_COMPRESS = (1ULL << 11),
+ BTRFS_MOUNT_SPACE_CACHE = (1ULL << 12),
+ BTRFS_MOUNT_CLEAR_CACHE = (1ULL << 13),
+ BTRFS_MOUNT_USER_SUBVOL_RM_ALLOWED = (1ULL << 14),
+ BTRFS_MOUNT_ENOSPC_DEBUG = (1ULL << 15),
+ BTRFS_MOUNT_AUTO_DEFRAG = (1ULL << 16),
+ BTRFS_MOUNT_USEBACKUPROOT = (1ULL << 17),
+ BTRFS_MOUNT_SKIP_BALANCE = (1ULL << 18),
+ BTRFS_MOUNT_PANIC_ON_FATAL_ERROR = (1ULL << 19),
+ BTRFS_MOUNT_RESCAN_UUID_TREE = (1ULL << 20),
+ BTRFS_MOUNT_FRAGMENT_DATA = (1ULL << 21),
+ BTRFS_MOUNT_FRAGMENT_METADATA = (1ULL << 22),
+ BTRFS_MOUNT_FREE_SPACE_TREE = (1ULL << 23),
+ BTRFS_MOUNT_NOLOGREPLAY = (1ULL << 24),
+ BTRFS_MOUNT_REF_VERIFY = (1ULL << 25),
+ BTRFS_MOUNT_DISCARD_ASYNC = (1ULL << 26),
+ BTRFS_MOUNT_IGNOREBADROOTS = (1ULL << 27),
+ BTRFS_MOUNT_IGNOREDATACSUMS = (1ULL << 28),
+ BTRFS_MOUNT_NODISCARD = (1ULL << 29),
+ BTRFS_MOUNT_NOSPACECACHE = (1ULL << 30),
+ BTRFS_MOUNT_IGNOREMETACSUMS = (1ULL << 31),
BTRFS_MOUNT_IGNORESUPERFLAGS = (1ULL << 32),
};
Currently the BTRFS_MOUNT_* flags is already reaching 32 bits, and with the incoming new rescue options, we're going beyond the width of 32 bits. This is going to cause problems as for quite some 32 bit systems, 1ULL << 32 would overflow the width of unsigned long. Fix it by moving all the existing flags to 64 bit unsigned long long to prepare for the incoming new flags. Signed-off-by: Qu Wenruo <wqu@suse.com> --- The current patch is still based on the latest for-next branch. But during merge time I will move this before the new rescue options. --- fs/btrfs/fs.h | 64 +++++++++++++++++++++++++-------------------------- 1 file changed, 32 insertions(+), 32 deletions(-)