On 2022/10/26 1:46, Jaegeuk Kim wrote:
On 10/25, Chao Yu wrote:
On 2022/10/25 7:36, Jaegeuk Kim wrote:
The below commit disallows to set compression on empty created file which
has a inline_data. Let's fix it.

Fixes: 7165841d578e ("f2fs: fix to check inline_data during compressed inode 
conversion")
Signed-off-by: Jaegeuk Kim <[email protected]>
---
   fs/f2fs/file.c | 3 +++
   1 file changed, 3 insertions(+)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 1c4004c9245f..304fe08edc61 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1915,6 +1915,9 @@ static int f2fs_setflags_common(struct inode *inode, u32 
iflags, u32 mask)
                        if (!f2fs_disable_compressed_file(inode))
                                return -EINVAL;
                } else {
+                       /* try to convert inline_data to support compression */
+                       f2fs_convert_inline_inode(inode);

It needs to check return value of f2fs_convert_inline_inode()?

I intended to catch that in the below checks?

But it may hide the real error number, e.g. -ENOMEM returned from
f2fs_convert_inline_inode()?

Thanks,



Thanks,

+
                        if (!f2fs_may_compress(inode))
                                return -EINVAL;
                        if (S_ISREG(inode->i_mode) && F2FS_HAS_BLOCKS(inode))


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