f2fs: reduce redundant spin_lock operations
This patch reduces redundant spin_lock operations in alloc_nid_failed(). The alloc_nid_failed() does not need to delete entry and add one again by triggering spin_lock and spin_unlock redundantly. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
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1571f84a1f
Коммит
49952fa182
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@ -1407,10 +1407,8 @@ void alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid)
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spin_lock(&nm_i->free_nid_list_lock);
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i = __lookup_free_nid_list(nid, &nm_i->free_nid_list);
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if (i) {
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BUG_ON(i->state != NID_ALLOC);
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__del_from_free_nid_list(i);
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}
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BUG_ON(!i || i->state != NID_ALLOC);
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__del_from_free_nid_list(i);
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spin_unlock(&nm_i->free_nid_list_lock);
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}
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@ -1419,8 +1417,15 @@ void alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid)
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*/
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void alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid)
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{
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alloc_nid_done(sbi, nid);
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add_free_nid(NM_I(sbi), nid);
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struct f2fs_nm_info *nm_i = NM_I(sbi);
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struct free_nid *i;
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spin_lock(&nm_i->free_nid_list_lock);
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i = __lookup_free_nid_list(nid, &nm_i->free_nid_list);
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BUG_ON(!i || i->state != NID_ALLOC);
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i->state = NID_NEW;
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nm_i->fcnt++;
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spin_unlock(&nm_i->free_nid_list_lock);
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}
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void recover_node_page(struct f2fs_sb_info *sbi, struct page *page,
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