diff options
| author | Chao Yu <yuchao0@huawei.com> | 2016-09-20 11:04:18 +0800 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-04-13 12:34:09 +0200 |
| commit | 06207256c637bc4ef94df7a8672cab81b80a492c (patch) | |
| tree | 954dc378984ed95ea486270e15961d0d05c49988 /fs/f2fs/node.h | |
| parent | 469a1f4aab4d820ba6d3474317cba3244fc8cd86 (diff) | |
| download | android_kernel_m2note-06207256c637bc4ef94df7a8672cab81b80a492c.tar.gz | |
f2fs: introduce cp_lock to protect updating of ckpt_flags
This patch introduces spinlock to protect updating process of ckpt_flags
field in struct f2fs_checkpoint, it avoids incorrectly updating in race
condition.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
[Jaegeuk Kim: add __is_set_ckpt_flags likewise __set_ckpt_flags]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/node.h')
| -rw-r--r-- | fs/f2fs/node.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h index e8ca64a70..868bec65e 100644 --- a/fs/f2fs/node.h +++ b/fs/f2fs/node.h @@ -293,7 +293,7 @@ static inline void fill_node_footer_blkaddr(struct page *page, block_t blkaddr) size_t crc_offset = le32_to_cpu(ckpt->checksum_offset); __u64 cp_ver = le64_to_cpu(ckpt->checkpoint_ver); - if (is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG)) { + if (__is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG)) { __u64 crc = le32_to_cpu(*((__le32 *) ((unsigned char *)ckpt + crc_offset))); cp_ver |= (crc << 32); @@ -308,7 +308,7 @@ static inline bool is_recoverable_dnode(struct page *page) size_t crc_offset = le32_to_cpu(ckpt->checksum_offset); __u64 cp_ver = cur_cp_version(ckpt); - if (is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG)) { + if (__is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG)) { __u64 crc = le32_to_cpu(*((__le32 *) ((unsigned char *)ckpt + crc_offset))); cp_ver |= (crc << 32); |