diff options
Diffstat (limited to 'fs/xfs/xfs_fs.h')
| -rw-r--r-- | fs/xfs/xfs_fs.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h index 8f6fc1a96386..c13fed8c394a 100644 --- a/fs/xfs/xfs_fs.h +++ b/fs/xfs/xfs_fs.h @@ -249,6 +249,11 @@ typedef struct xfs_fsop_resblks { #define XFS_MAX_LOG_BYTES \ ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) +/* Used for sanity checks on superblock */ +#define XFS_MAX_DBLOCKS(s) ((xfs_drfsbno_t)(s)->sb_agcount * (s)->sb_agblocks) +#define XFS_MIN_DBLOCKS(s) ((xfs_drfsbno_t)((s)->sb_agcount - 1) * \ + (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) + /* * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT */ |