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authorJosef Bacik <josef@toxicpanda.com>2022-10-25 11:13:06 -0400
committerDavid Sterba <dsterba@suse.com>2022-12-05 18:00:45 +0100
commit1751850fbd770c89347e14ae9590219bcd2f0649 (patch)
treec4beeaafd3cf8aaf9159a86a48e9254a2c588cc3
parent911bd75aca7390ca9e39191450829b09772c5a77 (diff)
btrfs: remove unused btrfs_cond_migrate_bytes
The last user of this was removed in 7f9fe6144076 ("btrfs: improve global reserve stealing logic"), drop this code as it's no longer called by anybody. Reviewed-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r--fs/btrfs/block-rsv.c25
-rw-r--r--fs/btrfs/block-rsv.h3
2 files changed, 0 insertions, 28 deletions
diff --git a/fs/btrfs/block-rsv.c b/fs/btrfs/block-rsv.c
index 069ea9d6a8d4..29705256727f 100644
--- a/fs/btrfs/block-rsv.c
+++ b/fs/btrfs/block-rsv.c
@@ -325,31 +325,6 @@ void btrfs_block_rsv_add_bytes(struct btrfs_block_rsv *block_rsv,
spin_unlock(&block_rsv->lock);
}
-int btrfs_cond_migrate_bytes(struct btrfs_fs_info *fs_info,
- struct btrfs_block_rsv *dest, u64 num_bytes,
- int min_factor)
-{
- struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;
- u64 min_bytes;
-
- if (global_rsv->space_info != dest->space_info)
- return -ENOSPC;
-
- spin_lock(&global_rsv->lock);
- min_bytes = div_factor(global_rsv->size, min_factor);
- if (global_rsv->reserved < min_bytes + num_bytes) {
- spin_unlock(&global_rsv->lock);
- return -ENOSPC;
- }
- global_rsv->reserved -= num_bytes;
- if (global_rsv->reserved < global_rsv->size)
- global_rsv->full = false;
- spin_unlock(&global_rsv->lock);
-
- btrfs_block_rsv_add_bytes(dest, num_bytes, true);
- return 0;
-}
-
void btrfs_update_global_block_rsv(struct btrfs_fs_info *fs_info)
{
struct btrfs_block_rsv *block_rsv = &fs_info->global_block_rsv;
diff --git a/fs/btrfs/block-rsv.h b/fs/btrfs/block-rsv.h
index 578c3497a455..7e9016a9e193 100644
--- a/fs/btrfs/block-rsv.h
+++ b/fs/btrfs/block-rsv.h
@@ -70,9 +70,6 @@ int btrfs_block_rsv_migrate(struct btrfs_block_rsv *src_rsv,
struct btrfs_block_rsv *dst_rsv, u64 num_bytes,
bool update_size);
int btrfs_block_rsv_use_bytes(struct btrfs_block_rsv *block_rsv, u64 num_bytes);
-int btrfs_cond_migrate_bytes(struct btrfs_fs_info *fs_info,
- struct btrfs_block_rsv *dest, u64 num_bytes,
- int min_factor);
void btrfs_block_rsv_add_bytes(struct btrfs_block_rsv *block_rsv,
u64 num_bytes, bool update_size);
u64 btrfs_block_rsv_release(struct btrfs_fs_info *fs_info,