diff options
| -rw-r--r-- | fs/xfs/libxfs/xfs_rtbitmap.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c index 1c9fed76a356..30a2844f62e3 100644 --- a/fs/xfs/libxfs/xfs_rtbitmap.c +++ b/fs/xfs/libxfs/xfs_rtbitmap.c @@ -1132,14 +1132,16 @@ xfs_rtbitmap_blockcount( /* * Compute the maximum level number of the realtime summary file, as defined by - * mkfs. The use of highbit32 on a 64-bit quantity is a historic artifact that - * prohibits correct use of rt volumes with more than 2^32 extents. + * mkfs. The historic use of highbit32 on a 64-bit quantity prohibited correct + * use of rt volumes with more than 2^32 extents. */ uint8_t xfs_compute_rextslog( xfs_rtbxlen_t rtextents) { - return rtextents ? xfs_highbit32(rtextents) : 0; + if (!rtextents) + return 0; + return xfs_highbit64(rtextents); } /* |