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Signed-off-by: Daeho Jeong --- v2: make the extent length zero --- fs/f2fs/file.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index f92a9fba9991..69952f208086 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -775,6 +775,11 @@ int f2fs_do_truncate_blocks(struct inode *inode, u64 f= rom, bool lock) f2fs_update_time(sbi, REQ_TIME); =20 f2fs_put_page(ipage, 1); + + write_lock(&et->lock); + et->largest.len =3D 0; + write_unlock(&et->lock); + goto out; } =20 @@ -1036,7 +1041,7 @@ int f2fs_setattr(struct mnt_idmap *idmap, struct dent= ry *dentry, =20 if ((attr->ia_valid & ATTR_SIZE)) { if (!f2fs_is_compress_backend_ready(inode) || - IS_DEVICE_ALIASING(inode)) + (IS_DEVICE_ALIASING(inode) && attr->ia_size)) return -EOPNOTSUPP; if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED) && !IS_ALIGNED(attr->ia_size, --=20 2.49.0.395.g12beb8f557-goog