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| author | Chao Yu <yuchao0@huawei.com> | 2020-11-26 11:32:09 +0100 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-12-03 07:00:22 +0100 |
| commit | b28f047b28c51d0b9864c34b097bb0b221ea7247 (patch) | |
| tree | d4e6f534dd5746eb54943653c79fc1133b80b803 /fs/f2fs/inode.c | |
| parent | f2fs: fix to avoid REQ_TIME and CP_TIME collision (diff) | |
| download | linux-b28f047b28c51d0b9864c34b097bb0b221ea7247.tar.xz linux-b28f047b28c51d0b9864c34b097bb0b221ea7247.zip | |
f2fs: compress: support chksum
This patch supports to store chksum value with compressed
data, and verify the integrality of compressed data while
reading the data.
The feature can be enabled through specifying mount option
'compress_chksum'.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/inode.c')
| -rw-r--r-- | fs/f2fs/inode.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index 657db2fb6739..349d9cb933ee 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -456,6 +456,7 @@ static int do_read_inode(struct inode *inode) le64_to_cpu(ri->i_compr_blocks)); fi->i_compress_algorithm = ri->i_compress_algorithm; fi->i_log_cluster_size = ri->i_log_cluster_size; + fi->i_compress_flag = le16_to_cpu(ri->i_compress_flag); fi->i_cluster_size = 1 << fi->i_log_cluster_size; set_inode_flag(inode, FI_COMPRESSED_FILE); } @@ -634,6 +635,8 @@ void f2fs_update_inode(struct inode *inode, struct page *node_page) &F2FS_I(inode)->i_compr_blocks)); ri->i_compress_algorithm = F2FS_I(inode)->i_compress_algorithm; + ri->i_compress_flag = + cpu_to_le16(F2FS_I(inode)->i_compress_flag); ri->i_log_cluster_size = F2FS_I(inode)->i_log_cluster_size; } |