diff options
Diffstat (limited to 'fs/btrfs/ctree.h')
-rw-r--r-- | fs/btrfs/ctree.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index dfb700efcd6b..52144b04f1af 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1161,6 +1161,15 @@ int btrfs_csum_truncate(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, u64 isize); /* inode.c */ +static inline void dec_i_blocks(struct inode *inode, u64 dec) +{ + dec = dec >> 9; + if (dec <= inode->i_blocks) + inode->i_blocks -= dec; + else + inode->i_blocks = 0; +} + unsigned long btrfs_force_ra(struct address_space *mapping, struct file_ra_state *ra, struct file *file, pgoff_t offset, pgoff_t last_index); |