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-rw-r--r--fs/btrfs/btrfs_inode.h3
-rw-r--r--fs/btrfs/delalloc-space.c21
-rw-r--r--fs/btrfs/inode.c1
3 files changed, 5 insertions, 20 deletions
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index f853835c409c..4e12a477d32e 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -63,9 +63,6 @@ struct btrfs_inode {
/* held while logging the inode in tree-log.c */
struct mutex log_mutex;
- /* held while doing delalloc reservations */
- struct mutex delalloc_mutex;
-
/* used to order data wrt metadata */
struct btrfs_ordered_inode_tree ordered_tree;
diff --git a/fs/btrfs/delalloc-space.c b/fs/btrfs/delalloc-space.c
index db9f2c58eb4a..4cdac4d834f5 100644
--- a/fs/btrfs/delalloc-space.c
+++ b/fs/btrfs/delalloc-space.c
@@ -307,7 +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
@@ -320,7 +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;
@@ -329,9 +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);
/*
@@ -348,10 +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_
@@ -375,15 +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:
- if (delalloc_lock)
- mutex_unlock(&inode->delalloc_mutex);
- return ret;
}
/**
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5edc6a27ea4a..4c074f4bccbb 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -9356,7 +9356,6 @@ struct inode *btrfs_alloc_inode(struct super_block *sb)
ei->io_failure_tree.track_uptodate = true;
atomic_set(&ei->sync_writers, 0);
mutex_init(&ei->log_mutex);
- mutex_init(&ei->delalloc_mutex);
btrfs_ordered_inode_tree_init(&ei->ordered_tree);
INIT_LIST_HEAD(&ei->delalloc_inodes);
INIT_LIST_HEAD(&ei->delayed_iput);