From: Anand Jain <anand.jain@oracle.com> Date: Sat, 20 Apr 2019 11:48:58 +0000 (+0800) Subject: btrfs: start transaction in xattr_handler_set_prop X-Git-Tag: v5.2-rc1~163^2~12 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=b3f6a4be1333eb888f9ad1ca16548fbeb05a8732;p=users%2Fwilly%2Flinux.git btrfs: start transaction in xattr_handler_set_prop btrfs specific extended attributes on the inode are set using btrfs_xattr_handler_set_prop(), and the required transaction for this update is started by btrfs_setxattr(). For better visibility of the transaction start and end, do this in btrfs_xattr_handler_set_prop(). For which this patch copied code of btrfs_setxattr() as it is in the original, which needs proper error handling. Signed-off-by: Anand Jain <anand.jain@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> --- diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c index 09db8f5f08fe..78b6ba2029e8 100644 --- a/fs/btrfs/xattr.c +++ b/fs/btrfs/xattr.c @@ -372,12 +372,31 @@ static int btrfs_xattr_handler_set_prop(const struct xattr_handler *handler, size_t size, int flags) { int ret; + struct btrfs_trans_handle *trans; + struct btrfs_root *root = BTRFS_I(inode)->root; name = xattr_full_name(handler, name); ret = btrfs_validate_prop(name, value, size); if (ret) return ret; - return btrfs_set_prop_trans(inode, name, value, size, flags); + + trans = btrfs_start_transaction(root, 2); + if (IS_ERR(trans)) + return PTR_ERR(trans); + + ret = btrfs_set_prop(trans, inode, name, value, size, flags); + if (!ret) { + inode_inc_iversion(inode); + inode->i_ctime = current_time(inode); + set_bit(BTRFS_INODE_COPY_EVERYTHING, + &BTRFS_I(inode)->runtime_flags); + ret = btrfs_update_inode(trans, root, inode); + BUG_ON(ret); + } + + btrfs_end_transaction(trans); + + return ret; } static const struct xattr_handler btrfs_security_xattr_handler = {