diff options
Diffstat (limited to 'fs/btrfs/btrfs_inode.h')
| -rw-r--r-- | fs/btrfs/btrfs_inode.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index a79fa0726f1d..b99fb0273292 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -525,6 +525,19 @@ static inline void btrfs_update_inode_mapping_flags(struct btrfs_inode *inode) mapping_set_stable_writes(inode->vfs_inode.i_mapping); } +static inline void btrfs_set_inode_mapping_order(struct btrfs_inode *inode) +{ + /* Metadata inode should not reach here. */ + ASSERT(is_data_inode(inode)); + + /* We only allow BITS_PER_LONGS blocks for each bitmap. */ +#ifdef CONFIG_BTRFS_EXPERIMENTAL + mapping_set_folio_order_range(inode->vfs_inode.i_mapping, 0, + ilog2(((BITS_PER_LONG << inode->root->fs_info->sectorsize_bits) + >> PAGE_SHIFT))); +#endif +} + /* Array of bytes with variable length, hexadecimal format 0x1234 */ #define CSUM_FMT "0x%*phN" #define CSUM_FMT_VALUE(size, bytes) size, bytes |