node.h (a468f0ef516fda9c7d91bb550d458e853d76955e) node.h (aaec2b1d18792a5f27b69ff37f34f43f89f5aa3b)
1/*
2 * fs/f2fs/node.h
3 *
4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com/
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as

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288
289static inline void fill_node_footer_blkaddr(struct page *page, block_t blkaddr)
290{
291 struct f2fs_checkpoint *ckpt = F2FS_CKPT(F2FS_P_SB(page));
292 struct f2fs_node *rn = F2FS_NODE(page);
293 size_t crc_offset = le32_to_cpu(ckpt->checksum_offset);
294 __u64 cp_ver = le64_to_cpu(ckpt->checkpoint_ver);
295
1/*
2 * fs/f2fs/node.h
3 *
4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com/
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as

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288
289static inline void fill_node_footer_blkaddr(struct page *page, block_t blkaddr)
290{
291 struct f2fs_checkpoint *ckpt = F2FS_CKPT(F2FS_P_SB(page));
292 struct f2fs_node *rn = F2FS_NODE(page);
293 size_t crc_offset = le32_to_cpu(ckpt->checksum_offset);
294 __u64 cp_ver = le64_to_cpu(ckpt->checkpoint_ver);
295
296 if (is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG)) {
296 if (__is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG)) {
297 __u64 crc = le32_to_cpu(*((__le32 *)
298 ((unsigned char *)ckpt + crc_offset)));
299 cp_ver |= (crc << 32);
300 }
301 rn->footer.cp_ver = cpu_to_le64(cp_ver);
302 rn->footer.next_blkaddr = cpu_to_le32(blkaddr);
303}
304
305static inline bool is_recoverable_dnode(struct page *page)
306{
307 struct f2fs_checkpoint *ckpt = F2FS_CKPT(F2FS_P_SB(page));
308 size_t crc_offset = le32_to_cpu(ckpt->checksum_offset);
309 __u64 cp_ver = cur_cp_version(ckpt);
310
297 __u64 crc = le32_to_cpu(*((__le32 *)
298 ((unsigned char *)ckpt + crc_offset)));
299 cp_ver |= (crc << 32);
300 }
301 rn->footer.cp_ver = cpu_to_le64(cp_ver);
302 rn->footer.next_blkaddr = cpu_to_le32(blkaddr);
303}
304
305static inline bool is_recoverable_dnode(struct page *page)
306{
307 struct f2fs_checkpoint *ckpt = F2FS_CKPT(F2FS_P_SB(page));
308 size_t crc_offset = le32_to_cpu(ckpt->checksum_offset);
309 __u64 cp_ver = cur_cp_version(ckpt);
310
311 if (is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG)) {
311 if (__is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG)) {
312 __u64 crc = le32_to_cpu(*((__le32 *)
313 ((unsigned char *)ckpt + crc_offset)));
314 cp_ver |= (crc << 32);
315 }
316 return cpu_to_le64(cp_ver) == cpver_of_node(page);
317}
318
319/*

--- 130 unchanged lines hidden --- 		312 __u64 crc = le32_to_cpu(*((__le32 *)
313 ((unsigned char *)ckpt + crc_offset)));
314 cp_ver |= (crc << 32);
315 }
316 return cpu_to_le64(cp_ver) == cpver_of_node(page);
317}
318
319/*

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