This is a note to let you know that I've just added the patch titled
f2fs: do not allow to defragment files have FI_COMPRESS_RELEASED
to the 6.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
f2fs-do-not-allow-to-defragment-files-have-fi_compre.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 272d03e0120bdf54da398c97c05b2d68260bd9c2
Author: Yangtao Li <frank.li@xxxxxxxx>
Date: Wed Apr 26 00:47:11 2023 +0800
f2fs: do not allow to defragment files have FI_COMPRESS_RELEASED
[ Upstream commit 7cd2e5f75b86a1befa99834f3ed1d735eeff69e6 ]
If a file has FI_COMPRESS_RELEASED, all writes for it should not be
allowed.
Fixes: 5fdb322ff2c2 ("f2fs: add F2FS_IOC_DECOMPRESS_FILE and F2FS_IOC_COMPRESS_FILE")
Signed-off-by: Qi Han <hanqi@xxxxxxxx>
Signed-off-by: Yangtao Li <frank.li@xxxxxxxx>
Reviewed-by: Chao Yu <chao@xxxxxxxxxx>
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 5ac53d2627d20..fa50c6475876c 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2593,6 +2593,11 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
inode_lock(inode);
+ if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
+ err = -EINVAL;
+ goto unlock_out;
+ }
+
/* if in-place-update policy is enabled, don't waste time here */
set_inode_flag(inode, FI_OPU_WRITE);
if (f2fs_should_update_inplace(inode, NULL)) {
@@ -2717,6 +2722,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
clear_inode_flag(inode, FI_SKIP_WRITES);
out:
clear_inode_flag(inode, FI_OPU_WRITE);
+unlock_out:
inode_unlock(inode);
if (!err)
range->len = (u64)total << PAGE_SHIFT;
