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-rw-r--r--fs/btrfs/discard.c1
-rw-r--r--fs/btrfs/file.c1
-rw-r--r--fs/btrfs/inode.c9
3 files changed, 3 insertions, 8 deletions
diff --git a/fs/btrfs/discard.c b/fs/btrfs/discard.c
index 5615320fa659..741c7e19c32f 100644
--- a/fs/btrfs/discard.c
+++ b/fs/btrfs/discard.c
@@ -619,6 +619,7 @@ void btrfs_discard_punt_unused_bgs_list(struct btrfs_fs_info *fs_info)
list_for_each_entry_safe(block_group, next, &fs_info->unused_bgs,
bg_list) {
list_del_init(&block_group->bg_list);
+ btrfs_put_block_group(block_group);
btrfs_discard_queue_work(&fs_info->discard_ctl, block_group);
}
spin_unlock(&fs_info->unused_bgs_lock);
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 2520605afc25..b0d2c976587e 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -3509,6 +3509,7 @@ const struct file_operations btrfs_file_operations = {
.read_iter = generic_file_read_iter,
.splice_read = generic_file_splice_read,
.write_iter = btrfs_file_write_iter,
+ .splice_write = iter_file_splice_write,
.mmap = btrfs_file_mmap,
.open = btrfs_file_open,
.release = btrfs_release_file,
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 18d384f4af54..43c803c16b48 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1690,12 +1690,8 @@ out_check:
ret = fallback_to_cow(inode, locked_page, cow_start,
found_key.offset - 1,
page_started, nr_written);
- if (ret) {
- if (nocow)
- btrfs_dec_nocow_writers(fs_info,
- disk_bytenr);
+ if (ret)
goto error;
- }
cow_start = (u64)-1;
}
@@ -1711,9 +1707,6 @@ out_check:
ram_bytes, BTRFS_COMPRESS_NONE,
BTRFS_ORDERED_PREALLOC);
if (IS_ERR(em)) {
- if (nocow)
- btrfs_dec_nocow_writers(fs_info,
- disk_bytenr);
ret = PTR_ERR(em);
goto error;
}