| Message ID | 1431477634-48111-2-git-send-email-jaegeuk@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 57f9a02..c4f9c08 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1081,6 +1081,9 @@ static long f2fs_fallocate(struct file *file, int mode, struct inode *inode = file_inode(file); long ret = 0; + if (f2fs_encrypted_inode(inode) && (mode & FALLOC_FL_COLLAPSE_RANGE)) + return -EOPNOTSUPP; + if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_ZERO_RANGE)) return -EOPNOTSUPP;
The fcollapse replaces block addresses without IOs, but this violates encryption rule in which each block is encrypted with its block offset. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> --- fs/f2fs/file.c | 3 +++ 1 file changed, 3 insertions(+)