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2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/nilfs2/alloc.c
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@@ -205,7 +205,8 @@
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 	int ret;
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 	spin_lock(lock);
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-	if (prev->bh && blkoff == prev->blkoff) {
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+	if (prev->bh && blkoff == prev->blkoff &&
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+	    likely(buffer_uptodate(prev->bh))) {
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 		get_bh(prev->bh);
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 		*bhp = prev->bh;
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 		spin_unlock(lock);
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@@ -613,10 +614,10 @@
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 	lock = nilfs_mdt_bgl_lock(inode, group);
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 	if (!nilfs_clear_bit_atomic(lock, group_offset, bitmap))
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-		nilfs_msg(inode->i_sb, KERN_WARNING,
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-			  "%s (ino=%lu): entry number %llu already freed",
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-			  __func__, inode->i_ino,
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-			  (unsigned long long)req->pr_entry_nr);
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+		nilfs_warn(inode->i_sb,
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+			   "%s (ino=%lu): entry number %llu already freed",
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+			   __func__, inode->i_ino,
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+			   (unsigned long long)req->pr_entry_nr);
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 	else
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 		nilfs_palloc_group_desc_add_entries(desc, lock, 1);
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@@ -654,10 +655,10 @@
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 	lock = nilfs_mdt_bgl_lock(inode, group);
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 	if (!nilfs_clear_bit_atomic(lock, group_offset, bitmap))
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-		nilfs_msg(inode->i_sb, KERN_WARNING,
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-			  "%s (ino=%lu): entry number %llu already freed",
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-			  __func__, inode->i_ino,
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-			  (unsigned long long)req->pr_entry_nr);
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+		nilfs_warn(inode->i_sb,
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+			   "%s (ino=%lu): entry number %llu already freed",
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+			   __func__, inode->i_ino,
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+			   (unsigned long long)req->pr_entry_nr);
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 	else
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 		nilfs_palloc_group_desc_add_entries(desc, lock, 1);
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@@ -763,10 +764,10 @@
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 		do {
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 			if (!nilfs_clear_bit_atomic(lock, group_offset,
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 						    bitmap)) {
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-				nilfs_msg(inode->i_sb, KERN_WARNING,
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-					  "%s (ino=%lu): entry number %llu already freed",
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-					  __func__, inode->i_ino,
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-					  (unsigned long long)entry_nrs[j]);
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+				nilfs_warn(inode->i_sb,
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+					   "%s (ino=%lu): entry number %llu already freed",
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+					   __func__, inode->i_ino,
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+					   (unsigned long long)entry_nrs[j]);
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 			} else {
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 				n++;
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 			}
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@@ -808,10 +809,10 @@
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 			ret = nilfs_palloc_delete_entry_block(inode,
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 							      last_nrs[k]);
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 			if (ret && ret != -ENOENT)
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-				nilfs_msg(inode->i_sb, KERN_WARNING,
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-					  "error %d deleting block that object (entry=%llu, ino=%lu) belongs to",
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-					  ret, (unsigned long long)last_nrs[k],
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-					  inode->i_ino);
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+				nilfs_warn(inode->i_sb,
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+					   "error %d deleting block that object (entry=%llu, ino=%lu) belongs to",
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+					   ret, (unsigned long long)last_nrs[k],
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+					   inode->i_ino);
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 		}
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 		desc_kaddr = kmap_atomic(desc_bh->b_page);
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@@ -826,9 +827,9 @@
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 		if (nfree == nilfs_palloc_entries_per_group(inode)) {
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 			ret = nilfs_palloc_delete_bitmap_block(inode, group);
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 			if (ret && ret != -ENOENT)
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-				nilfs_msg(inode->i_sb, KERN_WARNING,
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-					  "error %d deleting bitmap block of group=%lu, ino=%lu",
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-					  ret, group, inode->i_ino);
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+				nilfs_warn(inode->i_sb,
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+					   "error %d deleting bitmap block of group=%lu, ino=%lu",
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+					   ret, group, inode->i_ino);
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 		}
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 	}
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 	return 0;