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f2fs: move alloc new orphan node out of lock protection region
Move alloc new orphan node out of lock protection region. Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
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parent
4531929e39
commit
c1ef372572
1 changed files with 9 additions and 6 deletions
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@ -219,26 +219,29 @@ void add_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
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struct list_head *head, *this;
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struct orphan_inode_entry *new = NULL, *orphan = NULL;
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new = f2fs_kmem_cache_alloc(orphan_entry_slab, GFP_ATOMIC);
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new->ino = ino;
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mutex_lock(&sbi->orphan_inode_mutex);
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head = &sbi->orphan_inode_list;
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list_for_each(this, head) {
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orphan = list_entry(this, struct orphan_inode_entry, list);
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if (orphan->ino == ino)
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goto out;
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if (orphan->ino == ino) {
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mutex_unlock(&sbi->orphan_inode_mutex);
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kmem_cache_free(orphan_entry_slab, new);
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return;
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}
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if (orphan->ino > ino)
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break;
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orphan = NULL;
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}
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new = f2fs_kmem_cache_alloc(orphan_entry_slab, GFP_ATOMIC);
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new->ino = ino;
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/* add new_oentry into list which is sorted by inode number */
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if (orphan)
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list_add(&new->list, this->prev);
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else
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list_add_tail(&new->list, head);
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out:
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mutex_unlock(&sbi->orphan_inode_mutex);
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}
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