diff options
| author | Josef Bacik <josef@toxicpanda.com> | 2023-04-29 16:07:10 -0400 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2023-06-19 13:59:24 +0200 |
| commit | 54d687c13aef3194ea1490cf6d4b5016da1cf0bb (patch) | |
| tree | 8cbfa23a5d0c4a7568edb2b62fc789ccc4dfd7cd /fs/btrfs/block-rsv.c | |
| parent | 94ead93e63758f2c7cbe0c68ca232fff812ca33e (diff) | |
btrfs: move btrfs_check_trunc_cache_free_space into block-rsv.c
This is completely related to block rsv's, move it out of the free space
cache code and into block-rsv.c.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/block-rsv.c')
| -rw-r--r-- | fs/btrfs/block-rsv.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/btrfs/block-rsv.c b/fs/btrfs/block-rsv.c index ac18c43fadad..6279d200cf83 100644 --- a/fs/btrfs/block-rsv.c +++ b/fs/btrfs/block-rsv.c @@ -541,3 +541,22 @@ try_reserve: return ERR_PTR(ret); } + +int btrfs_check_trunc_cache_free_space(struct btrfs_fs_info *fs_info, + struct btrfs_block_rsv *rsv) +{ + u64 needed_bytes; + int ret; + + /* 1 for slack space, 1 for updating the inode */ + needed_bytes = btrfs_calc_insert_metadata_size(fs_info, 1) + + btrfs_calc_metadata_size(fs_info, 1); + + spin_lock(&rsv->lock); + if (rsv->reserved < needed_bytes) + ret = -ENOSPC; + else + ret = 0; + spin_unlock(&rsv->lock); + return ret; +} |