linux-kernel - Re: [PATCH 1/3 v2] f2fs: attach inline

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Message-ID: <YrNJBMGpjPdtwVY+@google.com>
Date:   Wed, 22 Jun 2022 09:53:24 -0700
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Cc:     stable@...r.kernel.org
Subject: Re: [PATCH 1/3 v2] f2fs: attach inline_data after setting compression

This fixes the below corruption.

[345393.335389] F2FS-fs (vdb): sanity_check_inode: inode (ino=6d0, mode=33206) should not have inline_data, run fsck to fix

Cc: <stable@...r.kernel.org>
Fixes: 677a82b44ebf ("f2fs: fix to do sanity check for inline inode")
Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
 fs/f2fs/namei.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index c549acb52ac4..bf00d5057abb 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -89,8 +89,6 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
 	if (test_opt(sbi, INLINE_XATTR))
 		set_inode_flag(inode, FI_INLINE_XATTR);
 
-	if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode))
-		set_inode_flag(inode, FI_INLINE_DATA);
 	if (f2fs_may_inline_dentry(inode))
 		set_inode_flag(inode, FI_INLINE_DENTRY);
 
@@ -107,10 +105,6 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
 
 	f2fs_init_extent_tree(inode, NULL);
 
-	stat_inc_inline_xattr(inode);
-	stat_inc_inline_inode(inode);
-	stat_inc_inline_dir(inode);
-
 	F2FS_I(inode)->i_flags =
 		f2fs_mask_flags(mode, F2FS_I(dir)->i_flags & F2FS_FL_INHERITED);
 
@@ -127,6 +121,14 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
 			set_compress_context(inode);
 	}
 
+	/* Should enable inline_data after compression set */
+	if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode))
+		set_inode_flag(inode, FI_INLINE_DATA);
+
+	stat_inc_inline_xattr(inode);
+	stat_inc_inline_inode(inode);
+	stat_inc_inline_dir(inode);
+
 	f2fs_set_inode_flags(inode);
 
 	trace_f2fs_new_inode(inode, 0);
@@ -325,6 +327,9 @@ static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
 		if (!is_extension_exist(name, ext[i], false))
 			continue;
 
+		/* Do not use inline_data with compression */
+		stat_dec_inline_inode(inode);
+		clear_inode_flag(inode, FI_INLINE_DATA);
 		set_compress_context(inode);
 		return;
 	}
-- 
2.37.0.rc0.104.g0611611a94-goog