diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_fs.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_fs.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index b90924104596..faf1a4edd618 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -233,6 +233,13 @@ typedef struct xfs_fsop_resblks { #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL) #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL) +/* + * Limits on sb_agblocks/sb_agblklog -- mkfs won't format AGs smaller than + * 16MB or larger than 1TB. + */ +#define XFS_MIN_AG_BYTES (1ULL << 24) /* 16 MB */ +#define XFS_MAX_AG_BYTES (1ULL << 40) /* 1 TB */ + /* keep the maximum size under 2^31 by a small amount */ #define XFS_MAX_LOG_BYTES \ ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) |