[f2fs-dev] [PATCH] sload.f2fs: use F2FS_COMPRESS_RELEASED instead of IMMUTABLE bit

* [f2fs-dev] [PATCH] sload.f2fs: use F2FS_COMPRESS_RELEASED instead of IMMUTABLE bit
@ 2021-05-25 20:51 Jaegeuk Kim
  2021-06-06 13:54 ` Chao Yu
  0 siblings, 1 reply; 7+ messages in thread
From: Jaegeuk Kim @ 2021-05-25 20:51 UTC (permalink / raw)
  To: linux-f2fs-devel; +Cc: Jaegeuk Kim

Let's use F2FS_COMPRESS_RELEASED to disallow writes only.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fsck/segment.c    | 6 +++---
 include/f2fs_fs.h | 2 ++
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/fsck/segment.c b/fsck/segment.c
index 0b257364fd5b..0156690ed9aa 100644
--- a/fsck/segment.c
+++ b/fsck/segment.c
@@ -521,9 +521,9 @@ int f2fs_build_file(struct f2fs_sb_info *sbi, struct dentry *de)
 		node_blk->i.i_compress_algrithm = c.compress.alg;
 		node_blk->i.i_log_cluster_size =
 				c.compress.cc.log_cluster_size;
-		node_blk->i.i_flags = cpu_to_le32(
-				F2FS_COMPR_FL |
-				(c.compress.readonly ? FS_IMMUTABLE_FL : 0));
+		node_blk->i.i_flags = cpu_to_le32(F2FS_COMPR_FL);
+		if (c.compress.readonly)
+			node_blk->i.i_inline |= F2FS_COMPRESS_RELEASED;
 		ASSERT(write_inode(node_blk, ni.blk_addr) >= 0);
 
 		while (!eof && (n = bulkread(fd, rbuf, c.compress.cc.rlen,
diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
index 4c1d06cdae39..8969ae2ebc34 100644
--- a/include/f2fs_fs.h
+++ b/include/f2fs_fs.h
@@ -889,6 +889,8 @@ struct f2fs_extent {
 #define F2FS_DATA_EXIST		0x08	/* file inline data exist flag */
 #define F2FS_INLINE_DOTS	0x10	/* file having implicit dot dentries */
 #define F2FS_EXTRA_ATTR		0x20	/* file having extra attribute */
+#define F2FS_PIN_FILE		0x40	/* file should not be gced */
+#define F2FS_COMPRESS_RELEASED	0x80	/* file released compressed blocks */
 
 #if !defined(offsetof)
 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
-- 
2.32.0.rc0.204.g9fa02ecfa5-goog



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