diff options
Diffstat (limited to 'fs/btrfs/ordered-data.c')
| -rw-r--r-- | fs/btrfs/ordered-data.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 03c945711003..1d7ddd664c0d 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -153,9 +153,10 @@ static struct btrfs_ordered_extent *alloc_ordered_extent( struct btrfs_ordered_extent *entry; int ret; u64 qgroup_rsv = 0; + const bool is_nocow = (flags & + ((1U << BTRFS_ORDERED_NOCOW) | (1U << BTRFS_ORDERED_PREALLOC))); - if (flags & - ((1 << BTRFS_ORDERED_NOCOW) | (1 << BTRFS_ORDERED_PREALLOC))) { + if (is_nocow) { /* For nocow write, we can release the qgroup rsv right now */ ret = btrfs_qgroup_free_data(inode, NULL, file_offset, num_bytes, &qgroup_rsv); if (ret < 0) @@ -170,8 +171,13 @@ static struct btrfs_ordered_extent *alloc_ordered_extent( return ERR_PTR(ret); } entry = kmem_cache_zalloc(btrfs_ordered_extent_cache, GFP_NOFS); - if (!entry) + if (!entry) { + if (!is_nocow) + btrfs_qgroup_free_refroot(inode->root->fs_info, + btrfs_root_id(inode->root), + qgroup_rsv, BTRFS_QGROUP_RSV_DATA); return ERR_PTR(-ENOMEM); + } entry->file_offset = file_offset; entry->num_bytes = num_bytes; @@ -253,7 +259,7 @@ static void insert_ordered_extent(struct btrfs_ordered_extent *entry) * @disk_bytenr: Offset of extent on disk. * @disk_num_bytes: Size of extent on disk. * @offset: Offset into unencoded data where file data starts. - * @flags: Flags specifying type of extent (1 << BTRFS_ORDERED_*). + * @flags: Flags specifying type of extent (1U << BTRFS_ORDERED_*). * @compress_type: Compression algorithm used for data. * * Most of these parameters correspond to &struct btrfs_file_extent_item. The |