From 97282031a64ca72aabf6482f9c32d1bcc931cde2 Mon Sep 17 00:00:00 2001 From: Anand Jain Date: Mon, 12 Feb 2018 23:33:29 +0800 Subject: btrfs: open code btrfs_dev_replace_cancel() btrfs_dev_replace_cancel() calls __btrfs_dev_replace_cancel() for the actual cancel so just open code it. Signed-off-by: Anand Jain Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/ioctl.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'fs/btrfs/ioctl.c') diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 111ee282b777..9082b06f8889 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -4429,7 +4429,8 @@ static long btrfs_ioctl_dev_replace(struct btrfs_fs_info *fs_info, ret = 0; break; case BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL: - ret = btrfs_dev_replace_cancel(fs_info, p); + p->result = __btrfs_dev_replace_cancel(fs_info); + ret = 0; break; default: ret = -EINVAL; -- cgit v1.2.3-55-g7522 From 17d202b9738887c60b4903937b569df1e266eabb Mon Sep 17 00:00:00 2001 From: Anand Jain Date: Mon, 12 Feb 2018 23:33:30 +0800 Subject: btrfs: rename __btrfs_dev_replace_cancel() Remove __ which is for the special functions. Signed-off-by: Anand Jain Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/dev-replace.c | 2 +- fs/btrfs/dev-replace.h | 2 +- fs/btrfs/ioctl.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) (limited to 'fs/btrfs/ioctl.c') diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index 1ce9528663a6..4d1dbc16fcd4 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -693,7 +693,7 @@ void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info, btrfs_dev_replace_unlock(dev_replace, 0); } -u64 __btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info) +u64 btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info) { struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace; struct btrfs_device *tgt_device = NULL; diff --git a/fs/btrfs/dev-replace.h b/fs/btrfs/dev-replace.h index d8b314ff12c1..6c3543d93e96 100644 --- a/fs/btrfs/dev-replace.h +++ b/fs/btrfs/dev-replace.h @@ -32,7 +32,7 @@ int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info, int read_src); void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info, struct btrfs_ioctl_dev_replace_args *args); -u64 __btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info); +u64 btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info); void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info); int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info); int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace); diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 9082b06f8889..c5a559105949 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -4429,7 +4429,7 @@ static long btrfs_ioctl_dev_replace(struct btrfs_fs_info *fs_info, ret = 0; break; case BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL: - p->result = __btrfs_dev_replace_cancel(fs_info); + p->result = btrfs_dev_replace_cancel(fs_info); ret = 0; break; default: -- cgit v1.2.3-55-g7522 From 7c829b722dffb22aaf9e3ea1b1d88dac49bd0768 Mon Sep 17 00:00:00 2001 From: Anand Jain Date: Wed, 7 Mar 2018 17:29:18 +0800 Subject: btrfs: add define for oldest generation Some functions can filter metadata by the generation. Add a define that will annotate such arguments. Signed-off-by: Anand Jain Reviewed-by: David Sterba [ update changelog ] Signed-off-by: David Sterba --- fs/btrfs/ctree.h | 2 ++ fs/btrfs/ioctl.c | 2 +- fs/btrfs/tree-defrag.c | 5 ++--- fs/btrfs/uuid-tree.c | 2 +- fs/btrfs/volumes.c | 3 ++- 5 files changed, 8 insertions(+), 6 deletions(-) (limited to 'fs/btrfs/ioctl.c') diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index f4926dc9649f..15bf111cd5c5 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -66,6 +66,8 @@ struct btrfs_ordered_sum; #define BTRFS_MAX_LEVEL 8 +#define BTRFS_OLDEST_GENERATION 0ULL + #define BTRFS_COMPAT_EXTENT_TREE_V0 /* diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index c5a559105949..ba403c00982c 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -2600,7 +2600,7 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp) range->len = (u64)-1; } ret = btrfs_defrag_file(file_inode(file), file, - range, 0, 0); + range, BTRFS_OLDEST_GENERATION, 0); if (ret > 0) ret = 0; kfree(range); diff --git a/fs/btrfs/tree-defrag.c b/fs/btrfs/tree-defrag.c index cb65089127cc..c09dbe4bd6e7 100644 --- a/fs/btrfs/tree-defrag.c +++ b/fs/btrfs/tree-defrag.c @@ -39,7 +39,6 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans, int level; int next_key_ret = 0; u64 last_ret = 0; - u64 min_trans = 0; if (root->fs_info->extent_root == root) { /* @@ -81,7 +80,7 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans, path->keep_locks = 1; - ret = btrfs_search_forward(root, &key, path, min_trans); + ret = btrfs_search_forward(root, &key, path, BTRFS_OLDEST_GENERATION); if (ret < 0) goto out; if (ret > 0) { @@ -130,7 +129,7 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans, */ path->slots[1] = btrfs_header_nritems(path->nodes[1]); next_key_ret = btrfs_find_next_key(root, path, &key, 1, - min_trans); + BTRFS_OLDEST_GENERATION); if (next_key_ret == 0) { memcpy(&root->defrag_progress, &key, sizeof(key)); ret = -EAGAIN; diff --git a/fs/btrfs/uuid-tree.c b/fs/btrfs/uuid-tree.c index 726f928238d0..9916f03430bc 100644 --- a/fs/btrfs/uuid-tree.c +++ b/fs/btrfs/uuid-tree.c @@ -282,7 +282,7 @@ int btrfs_uuid_tree_iterate(struct btrfs_fs_info *fs_info, key.offset = 0; again_search_slot: - ret = btrfs_search_forward(root, &key, path, 0); + ret = btrfs_search_forward(root, &key, path, BTRFS_OLDEST_GENERATION); if (ret) { if (ret > 0) ret = 0; diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 1622d3b73771..1e72357bdfa8 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -4208,7 +4208,8 @@ static int btrfs_uuid_scan_kthread(void *data) key.offset = 0; while (1) { - ret = btrfs_search_forward(root, &key, path, 0); + ret = btrfs_search_forward(root, &key, path, + BTRFS_OLDEST_GENERATION); if (ret) { if (ret > 0) ret = 0; -- cgit v1.2.3-55-g7522 From 7a5a07a81062915c65ce27e80608b1c819b1f936 Mon Sep 17 00:00:00 2001 From: Nikolay Borisov Date: Mon, 5 Feb 2018 10:41:13 +0200 Subject: btrfs: Remove userspace transaction ioctls Commit 3558d4f88ec8 ("btrfs: Deprecate userspace transaction ioctls") marked the beginning of the end of userspace transaction. This commit finishes the job! There are no known users and ceph does not use the ioctl anymore. Signed-off-by: Nikolay Borisov Acked-by: Sage Weil Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/ctree.h | 1 - fs/btrfs/file.c | 8 ----- fs/btrfs/ioctl.c | 95 -------------------------------------------------------- 3 files changed, 104 deletions(-) (limited to 'fs/btrfs/ioctl.c') diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 15bf111cd5c5..f2396a13c0c2 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3207,7 +3207,6 @@ void btrfs_destroy_inode(struct inode *inode); int btrfs_drop_inode(struct inode *inode); int __init btrfs_init_cachep(void); void __cold btrfs_destroy_cachep(void); -long btrfs_ioctl_trans_end(struct file *file); struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location, struct btrfs_root *root, int *was_new); struct extent_map *btrfs_get_extent(struct btrfs_inode *inode, diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 8cac40005e6c..6d878f1d1082 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1997,8 +1997,6 @@ int btrfs_release_file(struct inode *inode, struct file *filp) { struct btrfs_file_private *private = filp->private_data; - if (private && private->trans) - btrfs_ioctl_trans_end(filp); if (private && private->filldir_buf) kfree(private->filldir_buf); kfree(private); @@ -2189,12 +2187,6 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) goto out; } - /* - * ok we haven't committed the transaction yet, lets do a commit - */ - if (file->private_data) - btrfs_ioctl_trans_end(file); - /* * We use start here because we will need to wait on the IO to complete * in btrfs_sync_log, which could require joining a transaction (for diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index ba403c00982c..5011b6272cfa 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3936,73 +3936,6 @@ int btrfs_clone_file_range(struct file *src_file, loff_t off, return btrfs_clone_files(dst_file, src_file, off, len, destoff); } -/* - * there are many ways the trans_start and trans_end ioctls can lead - * to deadlocks. They should only be used by applications that - * basically own the machine, and have a very in depth understanding - * of all the possible deadlocks and enospc problems. - */ -static long btrfs_ioctl_trans_start(struct file *file) -{ - struct inode *inode = file_inode(file); - struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); - struct btrfs_root *root = BTRFS_I(inode)->root; - struct btrfs_trans_handle *trans; - struct btrfs_file_private *private; - int ret; - static bool warned = false; - - ret = -EPERM; - if (!capable(CAP_SYS_ADMIN)) - goto out; - - if (!warned) { - btrfs_warn(fs_info, - "Userspace transaction mechanism is considered " - "deprecated and slated to be removed in 4.17. " - "If you have a valid use case please " - "speak up on the mailing list"); - WARN_ON(1); - warned = true; - } - - ret = -EINPROGRESS; - private = file->private_data; - if (private && private->trans) - goto out; - if (!private) { - private = kzalloc(sizeof(struct btrfs_file_private), - GFP_KERNEL); - if (!private) - return -ENOMEM; - file->private_data = private; - } - - ret = -EROFS; - if (btrfs_root_readonly(root)) - goto out; - - ret = mnt_want_write_file(file); - if (ret) - goto out; - - atomic_inc(&fs_info->open_ioctl_trans); - - ret = -ENOMEM; - trans = btrfs_start_ioctl_transaction(root); - if (IS_ERR(trans)) - goto out_drop; - - private->trans = trans; - return 0; - -out_drop: - atomic_dec(&fs_info->open_ioctl_trans); - mnt_drop_write_file(file); -out: - return ret; -} - static long btrfs_ioctl_default_subvol(struct file *file, void __user *argp) { struct inode *inode = file_inode(file); @@ -4244,30 +4177,6 @@ out: return ret; } -/* - * there are many ways the trans_start and trans_end ioctls can lead - * to deadlocks. They should only be used by applications that - * basically own the machine, and have a very in depth understanding - * of all the possible deadlocks and enospc problems. - */ -long btrfs_ioctl_trans_end(struct file *file) -{ - struct inode *inode = file_inode(file); - struct btrfs_root *root = BTRFS_I(inode)->root; - struct btrfs_file_private *private = file->private_data; - - if (!private || !private->trans) - return -EINVAL; - - btrfs_end_transaction(private->trans); - private->trans = NULL; - - atomic_dec(&root->fs_info->open_ioctl_trans); - - mnt_drop_write_file(file); - return 0; -} - static noinline long btrfs_ioctl_start_sync(struct btrfs_root *root, void __user *argp) { @@ -5575,10 +5484,6 @@ long btrfs_ioctl(struct file *file, unsigned int return btrfs_ioctl_dev_info(fs_info, argp); case BTRFS_IOC_BALANCE: return btrfs_ioctl_balance(file, NULL); - case BTRFS_IOC_TRANS_START: - return btrfs_ioctl_trans_start(file); - case BTRFS_IOC_TRANS_END: - return btrfs_ioctl_trans_end(file); case BTRFS_IOC_TREE_SEARCH: return btrfs_ioctl_tree_search(file, argp); case BTRFS_IOC_TREE_SEARCH_V2: -- cgit v1.2.3-55-g7522 From d87ff75863e92a500538ab53318c5740f196631e Mon Sep 17 00:00:00 2001 From: Nikolay Borisov Date: Mon, 12 Mar 2018 14:48:09 +0200 Subject: btrfs: Handle error from btrfs_uuid_tree_rem call in _btrfs_ioctl_set_received_subvol As with every function which deals with modifying the btree btrfs_uuid_tree_rem can fail for any number of reasons (ie. EIO/ENOMEM). Handle return error value from this function gracefully by aborting the transaction. Fixes: dd5f9615fc5c ("Btrfs: maintain subvolume items in the UUID tree") Signed-off-by: Nikolay Borisov Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/ioctl.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) (limited to 'fs/btrfs/ioctl.c') diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 5011b6272cfa..94bcc1bf71ca 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -5048,10 +5048,17 @@ static long _btrfs_ioctl_set_received_subvol(struct file *file, received_uuid_changed = memcmp(root_item->received_uuid, sa->uuid, BTRFS_UUID_SIZE); if (received_uuid_changed && - !btrfs_is_empty_uuid(root_item->received_uuid)) - btrfs_uuid_tree_rem(trans, fs_info, root_item->received_uuid, - BTRFS_UUID_KEY_RECEIVED_SUBVOL, - root->root_key.objectid); + !btrfs_is_empty_uuid(root_item->received_uuid)) { + ret = btrfs_uuid_tree_rem(trans, fs_info, + root_item->received_uuid, + BTRFS_UUID_KEY_RECEIVED_SUBVOL, + root->root_key.objectid); + if (ret && ret != -ENOENT) { + btrfs_abort_transaction(trans, ret); + btrfs_end_transaction(trans); + goto out; + } + } memcpy(root_item->received_uuid, sa->uuid, BTRFS_UUID_SIZE); btrfs_set_root_stransid(root_item, sa->stransid); btrfs_set_root_rtransid(root_item, sa->rtransid); -- cgit v1.2.3-55-g7522 From 43b18595d6603cb4197fb9b063915cd7802141a6 Mon Sep 17 00:00:00 2001 From: Qu Wenruo Date: Tue, 12 Dec 2017 15:34:32 +0800 Subject: btrfs: qgroup: Use separate meta reservation type for delalloc Before this patch, btrfs qgroup is mixing per-transcation meta rsv with preallocated meta rsv, making it quite easy to underflow qgroup meta reservation. Since we have the new qgroup meta rsv types, apply it to delalloc reservation. Now for delalloc, most of its reserved space will use META_PREALLOC qgroup rsv type. And for callers reducing outstanding extent like btrfs_finish_ordered_io(), they will convert corresponding META_PREALLOC reservation to META_PERTRANS. This is mainly due to the fact that current qgroup numbers will only be updated in btrfs_commit_transaction(), that's to say if we don't keep such placeholder reservation, we can exceed qgroup limitation. And for callers freeing outstanding extent in error handler, we will just free META_PREALLOC bytes. This behavior makes callers of btrfs_qgroup_release_meta() or btrfs_qgroup_convert_meta() to be aware of which type they are. So in this patch, btrfs_delalloc_release_metadata() and its callers get an extra parameter to info qgroup to do correct meta convert/release. The good news is, even we use the wrong type (convert or free), it won't cause obvious bug, as prealloc type is always in good shape, and the type only affects how per-trans meta is increased or not. So the worst case will be at most metadata limitation can be sometimes exceeded (no convert at all) or metadata limitation is reached too soon (no free at all). Signed-off-by: Qu Wenruo Signed-off-by: David Sterba --- fs/btrfs/ctree.h | 9 ++++++--- fs/btrfs/extent-tree.c | 44 ++++++++++++++++++++++++-------------------- fs/btrfs/file.c | 15 ++++++++------- fs/btrfs/free-space-cache.c | 2 +- fs/btrfs/inode-map.c | 4 ++-- fs/btrfs/inode.c | 27 ++++++++++++++------------- fs/btrfs/ioctl.c | 10 ++++++---- fs/btrfs/ordered-data.c | 2 +- fs/btrfs/relocation.c | 13 +++++++------ 9 files changed, 69 insertions(+), 57 deletions(-) (limited to 'fs/btrfs/ioctl.c') diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index df0463e2ab7f..7924e50cc528 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2742,7 +2742,8 @@ int btrfs_check_data_free_space(struct inode *inode, void btrfs_free_reserved_data_space(struct inode *inode, struct extent_changeset *reserved, u64 start, u64 len); void btrfs_delalloc_release_space(struct inode *inode, - struct extent_changeset *reserved, u64 start, u64 len); + struct extent_changeset *reserved, + u64 start, u64 len, bool qgroup_free); void btrfs_free_reserved_data_space_noquota(struct inode *inode, u64 start, u64 len); void btrfs_trans_release_chunk_metadata(struct btrfs_trans_handle *trans); @@ -2755,10 +2756,12 @@ int btrfs_subvolume_reserve_metadata(struct btrfs_root *root, u64 *qgroup_reserved, bool use_global_rsv); void btrfs_subvolume_release_metadata(struct btrfs_fs_info *fs_info, struct btrfs_block_rsv *rsv); -void btrfs_delalloc_release_extents(struct btrfs_inode *inode, u64 num_bytes); +void btrfs_delalloc_release_extents(struct btrfs_inode *inode, u64 num_bytes, + bool qgroup_free); int btrfs_delalloc_reserve_metadata(struct btrfs_inode *inode, u64 num_bytes); -void btrfs_delalloc_release_metadata(struct btrfs_inode *inode, u64 num_bytes); +void btrfs_delalloc_release_metadata(struct btrfs_inode *inode, u64 num_bytes, + bool qgroup_free); int btrfs_delalloc_reserve_space(struct inode *inode, struct extent_changeset **reserved, u64 start, u64 len); void btrfs_init_block_rsv(struct btrfs_block_rsv *rsv, unsigned short type); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 020c1a1a6526..6b07202385d3 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -5760,6 +5760,9 @@ static int btrfs_inode_rsv_refill(struct btrfs_inode *inode, if (num_bytes == 0) return 0; + ret = btrfs_qgroup_reserve_meta_prealloc(root, num_bytes, true); + if (ret) + return ret; ret = reserve_metadata_bytes(root, block_rsv, num_bytes, flush); if (!ret) { block_rsv_add_bytes(block_rsv, num_bytes, 0); @@ -5772,11 +5775,15 @@ static int btrfs_inode_rsv_refill(struct btrfs_inode *inode, /** * btrfs_inode_rsv_release - release any excessive reservation. * @inode - the inode we need to release from. + * @qgroup_free - free or convert qgroup meta. + * Unlike normal operation, qgroup meta reservation needs to know if we are + * freeing qgroup reservation or just converting it into per-trans. Normally + * @qgroup_free is true for error handling, and false for normal release. * * This is the same as btrfs_block_rsv_release, except that it handles the * tracepoint for the reservation. */ -static void btrfs_inode_rsv_release(struct btrfs_inode *inode) +static void btrfs_inode_rsv_release(struct btrfs_inode *inode, bool qgroup_free) { struct btrfs_fs_info *fs_info = inode->root->fs_info; struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv; @@ -5792,6 +5799,10 @@ static void btrfs_inode_rsv_release(struct btrfs_inode *inode) if (released > 0) trace_btrfs_space_reservation(fs_info, "delalloc", btrfs_ino(inode), released, 0); + if (qgroup_free) + btrfs_qgroup_free_meta_prealloc(inode->root, released); + else + btrfs_qgroup_convert_reserved_meta(inode->root, released); } void btrfs_block_rsv_release(struct btrfs_fs_info *fs_info, @@ -6033,7 +6044,6 @@ static void btrfs_calculate_inode_block_rsv_size(struct btrfs_fs_info *fs_info, int btrfs_delalloc_reserve_metadata(struct btrfs_inode *inode, u64 num_bytes) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->vfs_inode.i_sb); - struct btrfs_root *root = inode->root; unsigned nr_extents; enum btrfs_reserve_flush_enum flush = BTRFS_RESERVE_FLUSH_ALL; int ret = 0; @@ -6071,19 +6081,9 @@ int btrfs_delalloc_reserve_metadata(struct btrfs_inode *inode, u64 num_bytes) btrfs_calculate_inode_block_rsv_size(fs_info, inode); spin_unlock(&inode->lock); - if (test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) { - ret = btrfs_qgroup_reserve_meta_prealloc(root, - nr_extents * fs_info->nodesize, true); - if (ret) - goto out_fail; - } - ret = btrfs_inode_rsv_refill(inode, flush); - if (unlikely(ret)) { - btrfs_qgroup_free_meta_prealloc(root, - nr_extents * fs_info->nodesize); + if (unlikely(ret)) goto out_fail; - } if (delalloc_lock) mutex_unlock(&inode->delalloc_mutex); @@ -6097,7 +6097,7 @@ out_fail: btrfs_calculate_inode_block_rsv_size(fs_info, inode); spin_unlock(&inode->lock); - btrfs_inode_rsv_release(inode); + btrfs_inode_rsv_release(inode, true); if (delalloc_lock) mutex_unlock(&inode->delalloc_mutex); return ret; @@ -6107,12 +6107,14 @@ out_fail: * btrfs_delalloc_release_metadata - release a metadata reservation for an inode * @inode: the inode to release the reservation for. * @num_bytes: the number of bytes we are releasing. + * @qgroup_free: free qgroup reservation or convert it to per-trans reservation * * This will release the metadata reservation for an inode. This can be called * once we complete IO for a given set of bytes to release their metadata * reservations, or on error for the same reason. */ -void btrfs_delalloc_release_metadata(struct btrfs_inode *inode, u64 num_bytes) +void btrfs_delalloc_release_metadata(struct btrfs_inode *inode, u64 num_bytes, + bool qgroup_free) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->vfs_inode.i_sb); @@ -6125,13 +6127,14 @@ void btrfs_delalloc_release_metadata(struct btrfs_inode *inode, u64 num_bytes) if (btrfs_is_testing(fs_info)) return; - btrfs_inode_rsv_release(inode); + btrfs_inode_rsv_release(inode, qgroup_free); } /** * 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 @@ -6139,7 +6142,8 @@ 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) +void btrfs_delalloc_release_extents(struct btrfs_inode *inode, u64 num_bytes, + bool qgroup_free) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->vfs_inode.i_sb); unsigned num_extents; @@ -6153,7 +6157,7 @@ void btrfs_delalloc_release_extents(struct btrfs_inode *inode, u64 num_bytes) if (btrfs_is_testing(fs_info)) return; - btrfs_inode_rsv_release(inode); + btrfs_inode_rsv_release(inode, qgroup_free); } /** @@ -6209,9 +6213,9 @@ int btrfs_delalloc_reserve_space(struct inode *inode, */ void btrfs_delalloc_release_space(struct inode *inode, struct extent_changeset *reserved, - u64 start, u64 len) + u64 start, u64 len, bool qgroup_free) { - btrfs_delalloc_release_metadata(BTRFS_I(inode), len); + btrfs_delalloc_release_metadata(BTRFS_I(inode), len, qgroup_free); btrfs_free_reserved_data_space(inode, reserved, start, len); } diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 6d878f1d1082..f247300170e5 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1691,7 +1691,7 @@ again: force_page_uptodate); if (ret) { btrfs_delalloc_release_extents(BTRFS_I(inode), - reserve_bytes); + reserve_bytes, true); break; } @@ -1703,7 +1703,7 @@ again: if (extents_locked == -EAGAIN) goto again; btrfs_delalloc_release_extents(BTRFS_I(inode), - reserve_bytes); + reserve_bytes, true); ret = extents_locked; break; } @@ -1738,7 +1738,7 @@ again: fs_info->sb->s_blocksize_bits; if (only_release_metadata) { btrfs_delalloc_release_metadata(BTRFS_I(inode), - release_bytes); + release_bytes, true); } else { u64 __pos; @@ -1747,7 +1747,7 @@ again: (dirty_pages << PAGE_SHIFT); btrfs_delalloc_release_space(inode, data_reserved, __pos, - release_bytes); + release_bytes, true); } } @@ -1760,7 +1760,8 @@ again: if (extents_locked) unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend, &cached_state); - btrfs_delalloc_release_extents(BTRFS_I(inode), reserve_bytes); + btrfs_delalloc_release_extents(BTRFS_I(inode), reserve_bytes, + (ret != 0)); if (ret) { btrfs_drop_pages(pages, num_pages); break; @@ -1800,11 +1801,11 @@ again: if (only_release_metadata) { btrfs_end_write_no_snapshotting(root); btrfs_delalloc_release_metadata(BTRFS_I(inode), - release_bytes); + release_bytes, true); } else { btrfs_delalloc_release_space(inode, data_reserved, round_down(pos, fs_info->sectorsize), - release_bytes); + release_bytes, true); } } diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index a9f22ac50d6a..d0dde9e6afd7 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -3547,7 +3547,7 @@ int btrfs_write_out_ino_cache(struct btrfs_root *root, if (ret) { if (release_metadata) btrfs_delalloc_release_metadata(BTRFS_I(inode), - inode->i_size); + inode->i_size, true); #ifdef DEBUG btrfs_err(fs_info, "failed to write free ino cache for root %llu", diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c index 022b19336fee..9409dcc7020d 100644 --- a/fs/btrfs/inode-map.c +++ b/fs/btrfs/inode-map.c @@ -500,12 +500,12 @@ again: ret = btrfs_prealloc_file_range_trans(inode, trans, 0, 0, prealloc, prealloc, prealloc, &alloc_hint); if (ret) { - btrfs_delalloc_release_extents(BTRFS_I(inode), prealloc); + btrfs_delalloc_release_extents(BTRFS_I(inode), prealloc, true); goto out_put; } ret = btrfs_write_out_ino_cache(root, trans, path, inode); - btrfs_delalloc_release_extents(BTRFS_I(inode), prealloc); + btrfs_delalloc_release_extents(BTRFS_I(inode), prealloc, false); out_put: iput(inode); out_release: diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index a9a47387e53f..1f091c2358a4 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1867,7 +1867,7 @@ static void btrfs_clear_bit_hook(void *private_data, */ if (*bits & EXTENT_CLEAR_META_RESV && root != fs_info->tree_root) - btrfs_delalloc_release_metadata(inode, len); + btrfs_delalloc_release_metadata(inode, len, false); /* For sanity tests. */ if (btrfs_is_testing(fs_info)) @@ -2152,7 +2152,7 @@ again: ClearPageChecked(page); set_page_dirty(page); - btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE); + btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE, false); out: unlock_extent_cached(&BTRFS_I(inode)->io_tree, page_start, page_end, &cached_state); @@ -4802,8 +4802,8 @@ again: page = find_or_create_page(mapping, index, mask); if (!page) { btrfs_delalloc_release_space(inode, data_reserved, - block_start, blocksize); - btrfs_delalloc_release_extents(BTRFS_I(inode), blocksize); + block_start, blocksize, true); + btrfs_delalloc_release_extents(BTRFS_I(inode), blocksize, true); ret = -ENOMEM; goto out; } @@ -4870,8 +4870,8 @@ again: out_unlock: if (ret) btrfs_delalloc_release_space(inode, data_reserved, block_start, - blocksize); - btrfs_delalloc_release_extents(BTRFS_I(inode), blocksize); + blocksize, true); + btrfs_delalloc_release_extents(BTRFS_I(inode), blocksize, (ret != 0)); unlock_page(page); put_page(page); out: @@ -8636,7 +8636,7 @@ static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter) if (ret < 0 && ret != -EIOCBQUEUED) { if (dio_data.reserve) btrfs_delalloc_release_space(inode, data_reserved, - offset, dio_data.reserve); + offset, dio_data.reserve, true); /* * On error we might have left some ordered extents * without submitting corresponding bios for them, so @@ -8652,8 +8652,8 @@ static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter) false); } else if (ret >= 0 && (size_t)ret < count) btrfs_delalloc_release_space(inode, data_reserved, - offset, count - (size_t)ret); - btrfs_delalloc_release_extents(BTRFS_I(inode), count); + offset, count - (size_t)ret, true); + btrfs_delalloc_release_extents(BTRFS_I(inode), count, false); } out: if (wakeup) @@ -8968,7 +8968,8 @@ again: if (reserved_space < PAGE_SIZE) { end = page_start + reserved_space - 1; btrfs_delalloc_release_space(inode, data_reserved, - page_start, PAGE_SIZE - reserved_space); + page_start, PAGE_SIZE - reserved_space, + true); } } @@ -9018,16 +9019,16 @@ again: out_unlock: if (!ret) { - btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE); + btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE, true); sb_end_pagefault(inode->i_sb); extent_changeset_free(data_reserved); return VM_FAULT_LOCKED; } unlock_page(page); out: - btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE); + btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE, (ret != 0)); btrfs_delalloc_release_space(inode, data_reserved, page_start, - reserved_space); + reserved_space, (ret != 0)); out_noreserve: sb_end_pagefault(inode->i_sb); extent_changeset_free(data_reserved); diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 94bcc1bf71ca..8c3ff75cbdd4 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1197,7 +1197,7 @@ again: spin_unlock(&BTRFS_I(inode)->lock); btrfs_delalloc_release_space(inode, data_reserved, start_index << PAGE_SHIFT, - (page_cnt - i_done) << PAGE_SHIFT); + (page_cnt - i_done) << PAGE_SHIFT, true); } @@ -1215,7 +1215,8 @@ again: unlock_page(pages[i]); put_page(pages[i]); } - btrfs_delalloc_release_extents(BTRFS_I(inode), page_cnt << PAGE_SHIFT); + btrfs_delalloc_release_extents(BTRFS_I(inode), page_cnt << PAGE_SHIFT, + false); extent_changeset_free(data_reserved); return i_done; out: @@ -1225,8 +1226,9 @@ out: } btrfs_delalloc_release_space(inode, data_reserved, start_index << PAGE_SHIFT, - page_cnt << PAGE_SHIFT); - btrfs_delalloc_release_extents(BTRFS_I(inode), page_cnt << PAGE_SHIFT); + page_cnt << PAGE_SHIFT, true); + btrfs_delalloc_release_extents(BTRFS_I(inode), page_cnt << PAGE_SHIFT, + true); extent_changeset_free(data_reserved); return ret; diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 9be98e42cfb6..661cc3db0c7c 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -610,7 +610,7 @@ void btrfs_remove_ordered_extent(struct inode *inode, btrfs_mod_outstanding_extents(btrfs_inode, -1); spin_unlock(&btrfs_inode->lock); if (root != fs_info->tree_root) - btrfs_delalloc_release_metadata(btrfs_inode, entry->len); + btrfs_delalloc_release_metadata(btrfs_inode, entry->len, false); tree = &btrfs_inode->ordered_tree; spin_lock_irq(&tree->lock); diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index cd2298d185dd..e61e1ee9af9a 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -3226,7 +3226,7 @@ static int relocate_file_extent_cluster(struct inode *inode, mask); if (!page) { btrfs_delalloc_release_metadata(BTRFS_I(inode), - PAGE_SIZE); + PAGE_SIZE, true); ret = -ENOMEM; goto out; } @@ -3245,9 +3245,9 @@ static int relocate_file_extent_cluster(struct inode *inode, unlock_page(page); put_page(page); btrfs_delalloc_release_metadata(BTRFS_I(inode), - PAGE_SIZE); + PAGE_SIZE, true); btrfs_delalloc_release_extents(BTRFS_I(inode), - PAGE_SIZE); + PAGE_SIZE, true); ret = -EIO; goto out; } @@ -3274,9 +3274,9 @@ static int relocate_file_extent_cluster(struct inode *inode, unlock_page(page); put_page(page); btrfs_delalloc_release_metadata(BTRFS_I(inode), - PAGE_SIZE); + PAGE_SIZE, true); btrfs_delalloc_release_extents(BTRFS_I(inode), - PAGE_SIZE); + PAGE_SIZE, true); clear_extent_bits(&BTRFS_I(inode)->io_tree, page_start, page_end, @@ -3292,7 +3292,8 @@ static int relocate_file_extent_cluster(struct inode *inode, put_page(page); index++; - btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE); + btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE, + false); balance_dirty_pages_ratelimited(inode->i_mapping); btrfs_throttle(fs_info); } -- cgit v1.2.3-55-g7522 From 38e82de8ccd1878fb5f8371b8a6f455a6bbd0325 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Mon, 26 Mar 2018 18:29:41 +0200 Subject: btrfs: user proper type for btrfs_mask_flags flags All users pass a local unsigned int and not the __uXX types that are supposed to be used for userspace interfaces. Signed-off-by: David Sterba --- fs/btrfs/ioctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/btrfs/ioctl.c') diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 8c3ff75cbdd4..ac85e07f567b 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -106,7 +106,7 @@ static int btrfs_clone(struct inode *src, struct inode *inode, int no_time_update); /* Mask out flags that are inappropriate for the given type of inode. */ -static inline __u32 btrfs_mask_flags(umode_t mode, __u32 flags) +static unsigned int btrfs_mask_flags(umode_t mode, unsigned int flags) { if (S_ISDIR(mode)) return flags; -- cgit v1.2.3-55-g7522