diff options
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/ctree.h | 12 | ||||
| -rw-r--r-- | fs/btrfs/extent-tree.c | 109 | ||||
| -rw-r--r-- | fs/btrfs/file.c | 15 | ||||
| -rw-r--r-- | fs/btrfs/inode-map.c | 6 | ||||
| -rw-r--r-- | fs/btrfs/inode.c | 34 | ||||
| -rw-r--r-- | fs/btrfs/ioctl.c | 6 | ||||
| -rw-r--r-- | fs/btrfs/qgroup.c | 18 | ||||
| -rw-r--r-- | fs/btrfs/qgroup.h | 8 | ||||
| -rw-r--r-- | fs/btrfs/relocation.c | 8 |
9 files changed, 60 insertions, 156 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 0f1ade133111..0d0f5d2a534a 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3452,11 +3452,9 @@ enum btrfs_reserve_flush_enum { BTRFS_RESERVE_FLUSH_ALL, }; -int btrfs_check_data_free_space(struct inode *inode, u64 bytes, u64 write_bytes); -int __btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len); +int btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len); int btrfs_alloc_data_chunk_ondemand(struct inode *inode, u64 bytes); -void btrfs_free_reserved_data_space(struct inode *inode, u64 bytes); -void __btrfs_free_reserved_data_space(struct inode *inode, u64 start, u64 len); +void btrfs_free_reserved_data_space(struct inode *inode, u64 start, u64 len); void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans, struct btrfs_root *root); void btrfs_trans_release_chunk_metadata(struct btrfs_trans_handle *trans); @@ -3472,10 +3470,8 @@ void btrfs_subvolume_release_metadata(struct btrfs_root *root, u64 qgroup_reserved); int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes); void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes); -int btrfs_delalloc_reserve_space(struct inode *inode, u64 num_bytes); -int __btrfs_delalloc_reserve_space(struct inode *inode, u64 start, u64 len); -void btrfs_delalloc_release_space(struct inode *inode, u64 num_bytes); -void __btrfs_delalloc_release_space(struct inode *inode, u64 start, u64 len); +int btrfs_delalloc_reserve_space(struct inode *inode, u64 start, u64 len); +void btrfs_delalloc_release_space(struct inode *inode, u64 start, u64 len); void btrfs_init_block_rsv(struct btrfs_block_rsv *rsv, unsigned short type); struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_root *root, unsigned short type); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 8c8d8b386cad..3a23225e83f4 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3356,7 +3356,7 @@ again: num_pages *= 16; num_pages *= PAGE_CACHE_SIZE; - ret = __btrfs_check_data_free_space(inode, 0, num_pages); + ret = btrfs_check_data_free_space(inode, 0, num_pages); if (ret) goto out_put; @@ -3365,7 +3365,7 @@ again: &alloc_hint); if (!ret) dcs = BTRFS_DC_SETUP; - __btrfs_free_reserved_data_space(inode, 0, num_pages); + btrfs_free_reserved_data_space(inode, 0, num_pages); out_put: iput(inode); @@ -4034,27 +4034,11 @@ commit_trans: } /* - * This will check the space that the inode allocates from to make sure we have - * enough space for bytes. - */ -int btrfs_check_data_free_space(struct inode *inode, u64 bytes, u64 write_bytes) -{ - struct btrfs_root *root = BTRFS_I(inode)->root; - int ret; - - ret = btrfs_alloc_data_chunk_ondemand(inode, bytes); - if (ret < 0) - return ret; - ret = btrfs_qgroup_reserve(root, write_bytes); - return ret; -} - -/* * New check_data_free_space() with ability for precious data reservation * Will replace old btrfs_check_data_free_space(), but for patch split, * add a new function first and then replace it. */ -int __btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len) +int btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len) { struct btrfs_root *root = BTRFS_I(inode)->root; int ret; @@ -4074,33 +4058,13 @@ int __btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len) } /* - * Called if we need to clear a data reservation for this inode. - */ -void btrfs_free_reserved_data_space(struct inode *inode, u64 bytes) -{ - struct btrfs_root *root = BTRFS_I(inode)->root; - struct btrfs_space_info *data_sinfo; - - /* make sure bytes are sectorsize aligned */ - bytes = ALIGN(bytes, root->sectorsize); - - data_sinfo = root->fs_info->data_sinfo; - spin_lock(&data_sinfo->lock); - WARN_ON(data_sinfo->bytes_may_use < bytes); - data_sinfo->bytes_may_use -= bytes; - trace_btrfs_space_reservation(root->fs_info, "space_info", - data_sinfo->flags, bytes, 0); - spin_unlock(&data_sinfo->lock); -} - -/* * Called if we need to clear a data reservation for this inode * Normally in a error case. * * This one will handle the per-indoe data rsv map for accurate reserved * space framework. */ -void __btrfs_free_reserved_data_space(struct inode *inode, u64 start, u64 len) +void btrfs_free_reserved_data_space(struct inode *inode, u64 start, u64 len) { struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_space_info *data_sinfo; @@ -5715,7 +5679,7 @@ void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes) } /** - * __btrfs_delalloc_reserve_space - reserve data and metadata space for + * btrfs_delalloc_reserve_space - reserve data and metadata space for * delalloc * @inode: inode we're writing to * @start: start range we are writing to @@ -5739,53 +5703,21 @@ void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes) * Return 0 for success * Return <0 for error(-ENOSPC or -EQUOT) */ -int __btrfs_delalloc_reserve_space(struct inode *inode, u64 start, u64 len) +int btrfs_delalloc_reserve_space(struct inode *inode, u64 start, u64 len) { int ret; - ret = __btrfs_check_data_free_space(inode, start, len); + ret = btrfs_check_data_free_space(inode, start, len); if (ret < 0) return ret; ret = btrfs_delalloc_reserve_metadata(inode, len); if (ret < 0) - __btrfs_free_reserved_data_space(inode, start, len); + btrfs_free_reserved_data_space(inode, start, len); return ret; } /** - * btrfs_delalloc_reserve_space - reserve data and metadata space for delalloc - * @inode: inode we're writing to - * @num_bytes: the number of bytes we want to allocate - * - * This will do the following things - * - * o reserve space in the data space info for num_bytes - * o reserve space in the metadata space info based on number of outstanding - * extents and how much csums will be needed - * o add to the inodes ->delalloc_bytes - * o add it to the fs_info's delalloc inodes list. - * - * This will return 0 for success and -ENOSPC if there is no space left. - */ -int btrfs_delalloc_reserve_space(struct inode *inode, u64 num_bytes) -{ - int ret; - - ret = btrfs_check_data_free_space(inode, num_bytes, num_bytes); - if (ret) - return ret; - - ret = btrfs_delalloc_reserve_metadata(inode, num_bytes); - if (ret) { - btrfs_free_reserved_data_space(inode, num_bytes); - return ret; - } - - return 0; -} - -/** - * __btrfs_delalloc_release_space - release data and metadata space for delalloc + * btrfs_delalloc_release_space - release data and metadata space for delalloc * @inode: inode we're releasing space for * @start: start position of the space already reserved * @len: the len of the space already reserved @@ -5799,29 +5731,10 @@ int btrfs_delalloc_reserve_space(struct inode *inode, u64 num_bytes) * list if there are no delalloc bytes left. * Also it will handle the qgroup reserved space. */ -void __btrfs_delalloc_release_space(struct inode *inode, u64 start, u64 len) +void btrfs_delalloc_release_space(struct inode *inode, u64 start, u64 len) { btrfs_delalloc_release_metadata(inode, len); - __btrfs_free_reserved_data_space(inode, start, len); -} - -/** - * btrfs_delalloc_release_space - release data and metadata space for delalloc - * @inode: inode we're releasing space for - * @num_bytes: the number of bytes we want to free up - * - * This must be matched with a call to btrfs_delalloc_reserve_space. This is - * called in the case that we don't need the metadata AND data reservations - * anymore. So if there is an error or we insert an inline extent. - * - * This function will release the metadata space that was not used and will - * decrement ->delalloc_bytes and remove it from the fs_info delalloc_inodes - * list if there are no delalloc bytes left. - */ -void btrfs_delalloc_release_space(struct inode *inode, u64 num_bytes) -{ - btrfs_delalloc_release_metadata(inode, num_bytes); - btrfs_free_reserved_data_space(inode, num_bytes); + btrfs_free_reserved_data_space(inode, start, len); } static int update_block_group(struct btrfs_trans_handle *trans, diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 29b3702fe10d..47785c8a7d39 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1529,7 +1529,7 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file, goto reserve_metadata; } } - ret = __btrfs_check_data_free_space(inode, pos, write_bytes); + ret = btrfs_check_data_free_space(inode, pos, write_bytes); if (ret < 0) break; @@ -1537,8 +1537,8 @@ reserve_metadata: ret = btrfs_delalloc_reserve_metadata(inode, reserve_bytes); if (ret) { if (!only_release_metadata) - __btrfs_free_reserved_data_space(inode, pos, - write_bytes); + btrfs_free_reserved_data_space(inode, pos, + write_bytes); else btrfs_end_write_no_snapshoting(root); break; @@ -1608,7 +1608,7 @@ again: btrfs_delalloc_release_metadata(inode, release_bytes); else - __btrfs_delalloc_release_space(inode, pos, + btrfs_delalloc_release_space(inode, pos, release_bytes); } @@ -1661,8 +1661,7 @@ again: btrfs_end_write_no_snapshoting(root); btrfs_delalloc_release_metadata(inode, release_bytes); } else { - __btrfs_delalloc_release_space(inode, pos, - release_bytes); + btrfs_delalloc_release_space(inode, pos, release_bytes); } } @@ -2708,8 +2707,8 @@ static long btrfs_fallocate(struct file *file, int mode, out: mutex_unlock(&inode->i_mutex); /* Let go of our reservation. */ - __btrfs_free_reserved_data_space(inode, alloc_start, - alloc_end - alloc_start); + btrfs_free_reserved_data_space(inode, alloc_start, + alloc_end - alloc_start); return ret; } diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c index 78bc09c552ab..767a6056ac45 100644 --- a/fs/btrfs/inode-map.c +++ b/fs/btrfs/inode-map.c @@ -488,17 +488,17 @@ again: /* Just to make sure we have enough space */ prealloc += 8 * PAGE_CACHE_SIZE; - ret = __btrfs_delalloc_reserve_space(inode, 0, prealloc); + ret = btrfs_delalloc_reserve_space(inode, 0, prealloc); if (ret) goto out_put; ret = btrfs_prealloc_file_range_trans(inode, trans, 0, 0, prealloc, prealloc, prealloc, &alloc_hint); if (ret) { - __btrfs_delalloc_release_space(inode, 0, prealloc); + btrfs_delalloc_release_space(inode, 0, prealloc); goto out_put; } - __btrfs_free_reserved_data_space(inode, 0, prealloc); + btrfs_free_reserved_data_space(inode, 0, prealloc); ret = btrfs_write_out_ino_cache(root, trans, path, inode); out_put: diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index a3942a70f97d..a34e5a9c51cb 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1769,8 +1769,8 @@ static void btrfs_clear_bit_hook(struct inode *inode, if (root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID && do_list && !(state->state & EXTENT_NORESERVE)) - __btrfs_free_reserved_data_space(inode, state->start, - len); + btrfs_free_reserved_data_space(inode, state->start, + len); __percpu_counter_add(&root->fs_info->delalloc_bytes, -len, root->fs_info->delalloc_batch); @@ -1993,8 +1993,8 @@ again: goto again; } - ret = __btrfs_delalloc_reserve_space(inode, page_start, - PAGE_CACHE_SIZE); + ret = btrfs_delalloc_reserve_space(inode, page_start, + PAGE_CACHE_SIZE); if (ret) { mapping_set_error(page->mapping, ret); end_extent_writepage(page, ret, page_start, page_end); @@ -4640,7 +4640,7 @@ int btrfs_truncate_page(struct inode *inode, loff_t from, loff_t len, if ((offset & (blocksize - 1)) == 0 && (!len || ((len & (blocksize - 1)) == 0))) goto out; - ret = __btrfs_delalloc_reserve_space(inode, + ret = btrfs_delalloc_reserve_space(inode, round_down(from, PAGE_CACHE_SIZE), PAGE_CACHE_SIZE); if (ret) goto out; @@ -4648,7 +4648,7 @@ int btrfs_truncate_page(struct inode *inode, loff_t from, loff_t len, again: page = find_or_create_page(mapping, index, mask); if (!page) { - __btrfs_delalloc_release_space(inode, + btrfs_delalloc_release_space(inode, round_down(from, PAGE_CACHE_SIZE), PAGE_CACHE_SIZE); ret = -ENOMEM; @@ -4718,8 +4718,8 @@ again: out_unlock: if (ret) - __btrfs_delalloc_release_space(inode, page_start, - PAGE_CACHE_SIZE); + btrfs_delalloc_release_space(inode, page_start, + PAGE_CACHE_SIZE); unlock_page(page); page_cache_release(page); out: @@ -7650,7 +7650,7 @@ unlock: spin_unlock(&BTRFS_I(inode)->lock); } - __btrfs_free_reserved_data_space(inode, start, len); + btrfs_free_reserved_data_space(inode, start, len); WARN_ON(dio_data->reserve < len); dio_data->reserve -= len; current->journal_info = dio_data; @@ -8440,7 +8440,7 @@ static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter, mutex_unlock(&inode->i_mutex); relock = true; } - ret = __btrfs_delalloc_reserve_space(inode, offset, count); + ret = btrfs_delalloc_reserve_space(inode, offset, count); if (ret) goto out; dio_data.outstanding_extents = div64_u64(count + @@ -8469,11 +8469,11 @@ static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter, current->journal_info = NULL; if (ret < 0 && ret != -EIOCBQUEUED) { if (dio_data.reserve) - __btrfs_delalloc_release_space(inode, offset, - dio_data.reserve); + btrfs_delalloc_release_space(inode, offset, + dio_data.reserve); } else if (ret >= 0 && (size_t)ret < count) - __btrfs_delalloc_release_space(inode, offset, - count - (size_t)ret); + btrfs_delalloc_release_space(inode, offset, + count - (size_t)ret); } out: if (wakeup) @@ -8684,8 +8684,8 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) page_start = page_offset(page); page_end = page_start + PAGE_CACHE_SIZE - 1; - ret = __btrfs_delalloc_reserve_space(inode, page_start, - PAGE_CACHE_SIZE); + ret = btrfs_delalloc_reserve_space(inode, page_start, + PAGE_CACHE_SIZE); if (!ret) { ret = file_update_time(vma->vm_file); reserved = 1; @@ -8780,7 +8780,7 @@ out_unlock: } unlock_page(page); out: - __btrfs_delalloc_release_space(inode, page_start, PAGE_CACHE_SIZE); + btrfs_delalloc_release_space(inode, page_start, PAGE_CACHE_SIZE); out_noreserve: sb_end_pagefault(inode->i_sb); return ret; diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 70732e629b0f..7ed033a84212 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1119,7 +1119,7 @@ static int cluster_pages_for_defrag(struct inode *inode, page_cnt = min_t(u64, (u64)num_pages, (u64)file_end - start_index + 1); - ret = __btrfs_delalloc_reserve_space(inode, + ret = btrfs_delalloc_reserve_space(inode, start_index << PAGE_CACHE_SHIFT, page_cnt << PAGE_CACHE_SHIFT); if (ret) @@ -1210,7 +1210,7 @@ again: spin_lock(&BTRFS_I(inode)->lock); BTRFS_I(inode)->outstanding_extents++; spin_unlock(&BTRFS_I(inode)->lock); - __btrfs_delalloc_release_space(inode, + btrfs_delalloc_release_space(inode, start_index << PAGE_CACHE_SHIFT, (page_cnt - i_done) << PAGE_CACHE_SHIFT); } @@ -1237,7 +1237,7 @@ out: unlock_page(pages[i]); page_cache_release(pages[i]); } - __btrfs_delalloc_release_space(inode, + btrfs_delalloc_release_space(inode, start_index << PAGE_CACHE_SHIFT, page_cnt << PAGE_CACHE_SHIFT); return ret; diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 897a49d71638..7d5339da01b8 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -2035,7 +2035,7 @@ out: return ret; } -int btrfs_qgroup_reserve(struct btrfs_root *root, u64 num_bytes) +static int qgroup_reserve(struct btrfs_root *root, u64 num_bytes) { struct btrfs_root *quota_root; struct btrfs_qgroup *qgroup; @@ -2168,6 +2168,11 @@ out: spin_unlock(&fs_info->qgroup_lock); } +static inline void qgroup_free(struct btrfs_root *root, u64 num_bytes) +{ + return btrfs_qgroup_free_refroot(root->fs_info, root->objectid, + num_bytes); +} void assert_qgroups_uptodate(struct btrfs_trans_handle *trans) { if (list_empty(&trans->qgroup_ref_list) && !trans->delayed_ref_elem.seq) @@ -2517,7 +2522,7 @@ int btrfs_qgroup_reserve_data(struct inode *inode, u64 start, u64 len) &changeset); if (ret < 0) goto cleanup; - ret = btrfs_qgroup_reserve(root, changeset.bytes_changed); + ret = qgroup_reserve(root, changeset.bytes_changed); if (ret < 0) goto cleanup; @@ -2553,8 +2558,7 @@ static int __btrfs_qgroup_release_data(struct inode *inode, u64 start, u64 len, goto out; if (free) - btrfs_qgroup_free(BTRFS_I(inode)->root, - changeset.bytes_changed); + qgroup_free(BTRFS_I(inode)->root, changeset.bytes_changed); out: ulist_free(changeset.range_changed); return ret; @@ -2604,7 +2608,7 @@ int btrfs_qgroup_reserve_meta(struct btrfs_root *root, int num_bytes) return 0; BUG_ON(num_bytes != round_down(num_bytes, root->nodesize)); - ret = btrfs_qgroup_reserve(root, num_bytes); + ret = qgroup_reserve(root, num_bytes); if (ret < 0) return ret; atomic_add(num_bytes, &root->qgroup_meta_rsv); @@ -2621,7 +2625,7 @@ void btrfs_qgroup_free_meta_all(struct btrfs_root *root) reserved = atomic_xchg(&root->qgroup_meta_rsv, 0); if (reserved == 0) return; - btrfs_qgroup_free(root, reserved); + qgroup_free(root, reserved); } void btrfs_qgroup_free_meta(struct btrfs_root *root, int num_bytes) @@ -2632,5 +2636,5 @@ void btrfs_qgroup_free_meta(struct btrfs_root *root, int num_bytes) BUG_ON(num_bytes != round_down(num_bytes, root->nodesize)); WARN_ON(atomic_read(&root->qgroup_meta_rsv) < num_bytes); atomic_sub(num_bytes, &root->qgroup_meta_rsv); - btrfs_qgroup_free(root, num_bytes); + qgroup_free(root, num_bytes); } diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h index 7d1c87cd3c78..adb03da3d298 100644 --- a/fs/btrfs/qgroup.h +++ b/fs/btrfs/qgroup.h @@ -71,15 +71,8 @@ int btrfs_run_qgroups(struct btrfs_trans_handle *trans, int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, u64 srcid, u64 objectid, struct btrfs_qgroup_inherit *inherit); -int btrfs_qgroup_reserve(struct btrfs_root *root, u64 num_bytes); void btrfs_qgroup_free_refroot(struct btrfs_fs_info *fs_info, u64 ref_root, u64 num_bytes); -static inline void btrfs_qgroup_free(struct btrfs_root *root, u64 num_bytes) -{ - return btrfs_qgroup_free_refroot(root->fs_info, root->objectid, - num_bytes); -} - /* * TODO: Add proper trace point for it, as btrfs_qgroup_free() is * called by everywhere, can't provide good trace for delayed ref case. @@ -89,7 +82,6 @@ static inline void btrfs_qgroup_free_delayed_ref(struct btrfs_fs_info *fs_info, { btrfs_qgroup_free_refroot(fs_info, ref_root, num_bytes); } - void assert_qgroups_uptodate(struct btrfs_trans_handle *trans); #ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 490c9e298c58..a7dc45622e90 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -3034,8 +3034,8 @@ int prealloc_file_extent_cluster(struct inode *inode, BUG_ON(cluster->start != cluster->boundary[0]); mutex_lock(&inode->i_mutex); - ret = __btrfs_check_data_free_space(inode, cluster->start, - cluster->end + 1 - cluster->start); + ret = btrfs_check_data_free_space(inode, cluster->start, + cluster->end + 1 - cluster->start); if (ret) goto out; @@ -3056,8 +3056,8 @@ int prealloc_file_extent_cluster(struct inode *inode, break; nr++; } - __btrfs_free_reserved_data_space(inode, cluster->start, - cluster->end + 1 - cluster->start); + btrfs_free_reserved_data_space(inode, cluster->start, + cluster->end + 1 - cluster->start); out: mutex_unlock(&inode->i_mutex); return ret; |