diff options
Diffstat (limited to 'fs/btrfs/delalloc-space.c')
| -rw-r--r-- | fs/btrfs/delalloc-space.c | 62 |
1 files changed, 29 insertions, 33 deletions
diff --git a/fs/btrfs/delalloc-space.c b/fs/btrfs/delalloc-space.c index 17f7c0d38768..4cdac4d834f5 100644 --- a/fs/btrfs/delalloc-space.c +++ b/fs/btrfs/delalloc-space.c @@ -7,6 +7,7 @@ #include "space-info.h" #include "transaction.h" #include "qgroup.h" +#include "block-group.h" int btrfs_alloc_data_chunk_ondemand(struct btrfs_inode *inode, u64 bytes) { @@ -129,8 +130,6 @@ commit_trans: return -ENOSPC; } btrfs_space_info_update_bytes_may_use(fs_info, data_sinfo, bytes); - trace_btrfs_space_reservation(fs_info, "space_info", - data_sinfo->flags, bytes, 1); spin_unlock(&data_sinfo->lock); return 0; @@ -182,8 +181,6 @@ void btrfs_free_reserved_data_space_noquota(struct inode *inode, u64 start, data_sinfo = fs_info->data_sinfo; spin_lock(&data_sinfo->lock); btrfs_space_info_update_bytes_may_use(fs_info, data_sinfo, -len); - trace_btrfs_space_reservation(fs_info, "space_info", - data_sinfo->flags, len, 0); spin_unlock(&data_sinfo->lock); } @@ -254,13 +251,20 @@ static void btrfs_calculate_inode_block_rsv_size(struct btrfs_fs_info *fs_info, lockdep_assert_held(&inode->lock); outstanding_extents = inode->outstanding_extents; - if (outstanding_extents) - reserve_size = btrfs_calc_trans_metadata_size(fs_info, - outstanding_extents + 1); + + /* + * Insert size for the number of outstanding extents, 1 normal size for + * updating the inode. + */ + if (outstanding_extents) { + reserve_size = btrfs_calc_insert_metadata_size(fs_info, + outstanding_extents); + reserve_size += btrfs_calc_metadata_size(fs_info, 1); + } csum_leaves = btrfs_csum_bytes_to_leaves(fs_info, inode->csum_bytes); - reserve_size += btrfs_calc_trans_metadata_size(fs_info, - csum_leaves); + reserve_size += btrfs_calc_insert_metadata_size(fs_info, + csum_leaves); /* * For qgroup rsv, the calculation is very simple: * account one nodesize for each outstanding extent @@ -281,10 +285,16 @@ static void calc_inode_reservations(struct btrfs_fs_info *fs_info, { u64 nr_extents = count_max_extents(num_bytes); u64 csum_leaves = btrfs_csum_bytes_to_leaves(fs_info, num_bytes); + u64 inode_update = btrfs_calc_metadata_size(fs_info, 1); - /* We add one for the inode update at finish ordered time */ - *meta_reserve = btrfs_calc_trans_metadata_size(fs_info, - nr_extents + csum_leaves + 1); + *meta_reserve = btrfs_calc_insert_metadata_size(fs_info, + nr_extents + csum_leaves); + + /* + * finish_ordered_io has to update the inode, so add the space required + * for an inode update. + */ + *meta_reserve += inode_update; *qgroup_reserve = nr_extents * fs_info->nodesize; } @@ -297,7 +307,6 @@ int btrfs_delalloc_reserve_metadata(struct btrfs_inode *inode, u64 num_bytes) unsigned nr_extents; enum btrfs_reserve_flush_enum flush = BTRFS_RESERVE_FLUSH_ALL; int ret = 0; - bool delalloc_lock = true; /* * If we are a free space inode we need to not flush since we will be in @@ -310,7 +319,6 @@ int btrfs_delalloc_reserve_metadata(struct btrfs_inode *inode, u64 num_bytes) */ if (btrfs_is_free_space_inode(inode)) { flush = BTRFS_RESERVE_NO_FLUSH; - delalloc_lock = false; } else { if (current->journal_info) flush = BTRFS_RESERVE_FLUSH_LIMIT; @@ -319,9 +327,6 @@ int btrfs_delalloc_reserve_metadata(struct btrfs_inode *inode, u64 num_bytes) schedule_timeout(1); } - if (delalloc_lock) - mutex_lock(&inode->delalloc_mutex); - num_bytes = ALIGN(num_bytes, fs_info->sectorsize); /* @@ -338,10 +343,12 @@ int btrfs_delalloc_reserve_metadata(struct btrfs_inode *inode, u64 num_bytes) &qgroup_reserve); ret = btrfs_qgroup_reserve_meta_prealloc(root, qgroup_reserve, true); if (ret) - goto out_fail; + return ret; ret = btrfs_reserve_metadata_bytes(root, block_rsv, meta_reserve, flush); - if (ret) - goto out_qgroup; + if (ret) { + btrfs_qgroup_free_meta_prealloc(root, qgroup_reserve); + return ret; + } /* * Now we need to update our outstanding extents and csum bytes _first_ @@ -365,16 +372,7 @@ int btrfs_delalloc_reserve_metadata(struct btrfs_inode *inode, u64 num_bytes) block_rsv->qgroup_rsv_reserved += qgroup_reserve; spin_unlock(&block_rsv->lock); - if (delalloc_lock) - mutex_unlock(&inode->delalloc_mutex); return 0; -out_qgroup: - btrfs_qgroup_free_meta_prealloc(root, qgroup_reserve); -out_fail: - btrfs_inode_rsv_release(inode, true); - if (delalloc_lock) - mutex_unlock(&inode->delalloc_mutex); - return ret; } /** @@ -408,7 +406,6 @@ void btrfs_delalloc_release_metadata(struct btrfs_inode *inode, u64 num_bytes, * btrfs_delalloc_release_extents - release our outstanding_extents * @inode: the inode to balance the reservation for. * @num_bytes: the number of bytes we originally reserved with - * @qgroup_free: do we need to free qgroup meta reservation or convert them. * * When we reserve space we increase outstanding_extents for the extents we may * add. Once we've set the range as delalloc or created our ordered extents we @@ -416,8 +413,7 @@ void btrfs_delalloc_release_metadata(struct btrfs_inode *inode, u64 num_bytes, * temporarily tracked outstanding_extents. This _must_ be used in conjunction * with btrfs_delalloc_reserve_metadata. */ -void btrfs_delalloc_release_extents(struct btrfs_inode *inode, u64 num_bytes, - bool qgroup_free) +void btrfs_delalloc_release_extents(struct btrfs_inode *inode, u64 num_bytes) { struct btrfs_fs_info *fs_info = inode->root->fs_info; unsigned num_extents; @@ -431,7 +427,7 @@ void btrfs_delalloc_release_extents(struct btrfs_inode *inode, u64 num_bytes, if (btrfs_is_testing(fs_info)) return; - btrfs_inode_rsv_release(inode, qgroup_free); + btrfs_inode_rsv_release(inode, true); } /** |
