在 7/8/2020 6:52 PM, Ritesh Harjani 写道:
On 6/26/20 11:19 AM, Chengguang Xu wrote:
In order to correctly account/limit space usage, should initialize
quota info before calling quota related functions.
How did you encounter the problem?
Any test case got hit?
I found the issue by code inspecting when I was learning mbcache logic.
Thanks,
cgxu
Signed-off-by: Chengguang Xu <cgxu519@xxxxxxxxxxxx>
LGTM, feel free to add
Reviewed-by: Reviewed-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxx>
---
fs/ext2/xattr.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index 943cc469f42f..913e5c4921ec 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -437,6 +437,9 @@ ext2_xattr_set(struct inode *inode, int
name_index, const char *name,
name_len = strlen(name);
if (name_len > 255 || value_len > sb->s_blocksize)
return -ERANGE;
+ error = dquot_initialize(inode);
+ if (error)
+ return error;
down_write(&EXT2_I(inode)->xattr_sem);
if (EXT2_I(inode)->i_file_acl) {
/* The inode already has an extended attribute block. */
