Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Chao Yu <> | Subject | [PATCH v3 3/6] f2fs: compress: fix to check unreleased compressed cluster | Date | Thu, 28 Dec 2023 22:31:49 +0800 |
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From: Sheng Yong <shengyong@oppo.com>
Compressed cluster may not be released due to we can fail in release_compress_blocks(), fix to handle reserved compressed cluster correctly in reserve_compress_blocks().
Fixes: 4c8ff7095bef ("f2fs: support data compression") Signed-off-by: Sheng Yong <shengyong@oppo.com> Signed-off-by: Chao Yu <chao@kernel.org> --- fs/f2fs/file.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 026d05a7edd8..782ae3be48f6 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -3624,6 +3624,15 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count) goto next; } + /* + * compressed cluster was not released due to + * it fails in release_compress_blocks(). + */ + if (blkaddr == NEW_ADDR) { + compr_blocks++; + continue; + } + if (__is_valid_data_blkaddr(blkaddr)) { compr_blocks++; continue; @@ -3633,6 +3642,9 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count) } reserved = cluster_size - compr_blocks; + if (!reserved) + goto next; + ret = inc_valid_block_count(sbi, dn->inode, &reserved); if (ret) return ret; -- 2.40.1
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