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[f2fs-dev] f2fs: fix to check return value of f2fs_recover_xattr_data

Message ID 1702025433-5860-1-git-send-email-zhiguo.niu@unisoc.com (mailing list archive)
State Superseded
Headers show
Series [f2fs-dev] f2fs: fix to check return value of f2fs_recover_xattr_data | expand

Commit Message

Zhiguo Niu Dec. 8, 2023, 8:50 a.m. UTC
Should check return value of f2fs_recover_xattr_data in
__f2fs_setxattr rather than doing invalid retry if error happen.

Also just do set_page_dirty in f2fs_recover_xattr_data when
page is changed really.

Fixes: 50a472bbc79f ("f2fs: do not return EFSCORRUPTED, but try to run online repair")
Signed-off-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
---
 fs/f2fs/node.c  |  6 +++---
 fs/f2fs/xattr.c | 12 +++++++-----
 2 files changed, 10 insertions(+), 8 deletions(-)

Comments

Chao Yu Dec. 12, 2023, 1:39 a.m. UTC | #1
On 2023/12/8 16:50, Zhiguo Niu wrote:
> Should check return value of f2fs_recover_xattr_data in
> __f2fs_setxattr rather than doing invalid retry if error happen.
> 
> Also just do set_page_dirty in f2fs_recover_xattr_data when
> page is changed really.
> 
> Fixes: 50a472bbc79f ("f2fs: do not return EFSCORRUPTED, but try to run online repair")
> Signed-off-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
> ---
>   fs/f2fs/node.c  |  6 +++---
>   fs/f2fs/xattr.c | 12 +++++++-----
>   2 files changed, 10 insertions(+), 8 deletions(-)
> 
> diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
> index e50a093..93bf724 100644
> --- a/fs/f2fs/node.c
> +++ b/fs/f2fs/node.c
> @@ -2754,11 +2754,11 @@ int f2fs_recover_xattr_data(struct inode *inode, struct page *page)
>   	f2fs_update_inode_page(inode);
>   
>   	/* 3: update and set xattr node page dirty */
> -	if (page)
> +	if (page) {
>   		memcpy(F2FS_NODE(xpage), F2FS_NODE(page),
>   				VALID_XATTR_BLOCK_SIZE);
> -
> -	set_page_dirty(xpage);
> +		set_page_dirty(xpage);
> +	}
>   	f2fs_put_page(xpage, 1);
>   
>   	return 0;
> diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
> index 47e88b4..de92891 100644
> --- a/fs/f2fs/xattr.c
> +++ b/fs/f2fs/xattr.c
> @@ -660,11 +660,13 @@ static int __f2fs_setxattr(struct inode *inode, int index,
>   	here = __find_xattr(base_addr, last_base_addr, NULL, index, len, name);
>   	if (!here) {
>   		if (!F2FS_I(inode)->i_xattr_nid) {
> -			f2fs_notice(F2FS_I_SB(inode),
> -				"recover xattr in inode (%lu)", inode->i_ino);
> -			f2fs_recover_xattr_data(inode, NULL);
> -			kfree(base_addr);
> -			goto retry;
> +			error = f2fs_recover_xattr_data(inode, NULL);

How about printing here?

f2fs_notice(F2FS_I_SB(inode),
	"recover xattr in inode (%lu), error: %d", inode->i_ino, error);

Thanks,

> +			if (!error) {
> +				f2fs_notice(F2FS_I_SB(inode),
> +					"recover xattr in inode (%lu)", inode->i_ino);
> +				kfree(base_addr);
> +				goto retry;
> +			}
>   		}
>   		f2fs_err(F2FS_I_SB(inode), "set inode (%lu) has corrupted xattr",
>   								inode->i_ino);
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Patch

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index e50a093..93bf724 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2754,11 +2754,11 @@  int f2fs_recover_xattr_data(struct inode *inode, struct page *page)
 	f2fs_update_inode_page(inode);
 
 	/* 3: update and set xattr node page dirty */
-	if (page)
+	if (page) {
 		memcpy(F2FS_NODE(xpage), F2FS_NODE(page),
 				VALID_XATTR_BLOCK_SIZE);
-
-	set_page_dirty(xpage);
+		set_page_dirty(xpage);
+	}
 	f2fs_put_page(xpage, 1);
 
 	return 0;
diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
index 47e88b4..de92891 100644
--- a/fs/f2fs/xattr.c
+++ b/fs/f2fs/xattr.c
@@ -660,11 +660,13 @@  static int __f2fs_setxattr(struct inode *inode, int index,
 	here = __find_xattr(base_addr, last_base_addr, NULL, index, len, name);
 	if (!here) {
 		if (!F2FS_I(inode)->i_xattr_nid) {
-			f2fs_notice(F2FS_I_SB(inode),
-				"recover xattr in inode (%lu)", inode->i_ino);
-			f2fs_recover_xattr_data(inode, NULL);
-			kfree(base_addr);
-			goto retry;
+			error = f2fs_recover_xattr_data(inode, NULL);
+			if (!error) {
+				f2fs_notice(F2FS_I_SB(inode),
+					"recover xattr in inode (%lu)", inode->i_ino);
+				kfree(base_addr);
+				goto retry;
+			}
 		}
 		f2fs_err(F2FS_I_SB(inode), "set inode (%lu) has corrupted xattr",
 								inode->i_ino);